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HT760M
Owner's Manual
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User Manual
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User Manual
2 pgs1.78 Mb0

Carvin HT760M User Manual

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Page 1
Parts list for HT760M Power Amplifier Carvin P/N
Binding Post, 2-way, Red/Black.................................................03-10450
Cover, Black 18GA Steel............................................................10-82005
Chassis......................................................................................10-07509
Fan, 24VDC 80mm.....................................................................70-02408
Fan Guard, 80x80mm................................................................03-90080
Handle, 2-space rack.................................................................10-11120
Knob, Black, 1.25” DIA..............................................................07-09001
Stand-off, Al, 1.5” Hex, 6-32......................................................03-63315
Toroid insulator pad 3.8” OD.....................................................03-15004
Front cover.............................................................................10-07501-2
Rear label ..................................................................................77-07508
Power cord (120V)....................................................................05-01603
Power cord (230V)....................................................................05-01903
10 Amp Circuit breaker (120V)..................................................70-28110
6 Amp Circuit breaker (230V)....................................................70-28106
Toroid (120V)............................................................................15-75160
Toroid (230V)............................................................................15-75260
C1, Capacitor 10KµF 63V, Poly 20%.........................................42-10363
C2B, Capacitor 10KµF 63V, Poly 20%.......................................42-10363
R30, 1/4W Resistor 47K, .35” prep. 5% Carbon......................50-47045
Parts list for Printed Cicuit Card Ref. Des. Description Carvin P/N
A1 IC Op Amp NE5532 Linear Output 60-55320 A2 IC Op Amp MC4558 CP1 Dual HFREQ 60-45580 A3 IC Op Amp NE5532 Linear Output 60-55320 A4 IC Op Amp NE5532 Linear Output 60-55320 A5 IC Op Amp MC4558 CP1 Dual HFREQ 60-45580 A6 IC Op Amp MC4558 CP1 Dual HFREQ 60-45580 A7 IC Op Amp MC4558 CP1 Dual HFREQ 60-45580 A8 IC Op Amp NE5532 Linear Output 60-55320 BP1 Binding Post Red/Black Combo 03-10400 BP2 Binding Post Red/Black Combo 03-10400 BR1 Diode Bridge AC/DC PCB MTG 60-35041 C3 Capacitor 1000µF 35V Electrolytic 20% 47-10235 C4 Capacitor 1000µF 35V Electrolytic 20% 47-10235 C5 Capacitor 0.047µF 100V Poly 10% 46-47312 C6 Capacitor 0.047µF 100V Poly 10% 46-47312 C7 Capacitor 220µF 50V Electrolytic 20% 47-22151 C8 Capacitor 10µF 50V Electrolytic 20% 47-10051 C9 Capacitor 0.047µF 100V Poly 10% 46-47312 C10 Capacitor 0.047µF 100V Poly 10% 46-47312 C11 Capacitor 0.047µF 100V Poly 10% 46-47312 C15 Capacitor 0.047µF 100V Poly 10% 46-47312 C16 Capacitor 0.047µF 100V Poly 10% 46-47312 C17 Capacitor 0.047µF 100V Poly 10% 46-47312 C18 Capacitor 470µF 25V Electrolytic 20% 47-47125 C100 Capacitor 27PF 500V Ceramic 5% 45-27052 C101 Capacitor 27PF 500V Ceramic 5% 45-27052 C102 Capacitor 22µF 50V Electrolytic 20% 47-22051 C104 Capacitor 27PF 500V Ceramic 5% 45-27052 C105 Capacitor 0.047µF 100V Poly 10% 46-47312 C110 Capacitor 0.001µF 100V Poly 10% 46-10212 C111 Capacitor 22µF 50V Electrolytic 20% 47-22051 C115 Capacitor 27PF 500V Ceramic 5% 45-27052 C116 Capacitor 56PF 500V Ceramic 5% 45-56052 C117 Capacitor 120PF 500V Ceramic 5% 45-12052 C118 Capacitor 10µF 63V Electrolytic 20% 47-10061 C119 Capacitor 0.047µF 100V Poly 10% 46-47312 C120 Capacitor 0.001µF 100V Poly 10% 46-10212 C121 Capacitor 0.068µF 100V Poly 10% 46-68312 C200 Capacitor 27PF 500V Ceramic 5% 45-27052 C201 Capacitor 27PF 500V Ceramic 5% 45-27052 C202 Capacitor 22µF 50V Electrolytic 20% 47-22051 C204 Capacitor 27PF 500V Ceramic 5% 45-27052 C205 Capacitor 0.047µF 100V Poly 10% 46-47312 C210 Capacitor 0.001µF 100V Poly 10% 46-10212 C211 Capacitor 22µF 50V Electrolytic 20% 47-22051 C215 Capacitor 27PF 500V Ceramic 5% 45-27052 C216 Capacitor 56PF 500V Ceramic 5% 45-56052 C217 Capacitor 120PF 500V Ceramic 5% 45-12052 C218 Capacitor 0.047µF 100V Poly 10% 46-47312 C219 Capacitor 0.047µF 100V Poly 10% 46-47312 C220 Capacitor 0.001µF 100V Poly 10% 46-10212 C221 Capacitor 0.068µF 100V Poly 10% 46-68312
Ref. Des. Description Carvin P/N
D1 Diode 1N4003 Rect Gen 1A 200V 60-40030 D2 Diode 1N4003 Rect Gen 1A 200V 60-40030 D3 Diode 1N4003 Rect Gen 1A 200V 60-40030 D4 Diode 1N4003 Rect Gen 1A 200V 60-40030 D5 Diode 1N4003 Rect Gen 1A 200V 60-40030 D6 Diode 1N4003 Rect Gen 1A 200V 60-40030 D7 Diode 1N4003 Rect Gen 1A 200V 60-40030 D8 LED Red small #204HD 3mm T-1.0 60-75320 D9 LED Yellow small #204YD 3mm T-1.0 60-75340 D10 Diode 1N4003 Rect Gen 1A 200V 60-40030 D11 Diode 1N4003 Rect Gen 1A 200V 60-40030 D12 Diode 1N4003 Rect Gen 1A 200V 60-40030 D13 Diode 1N4003 Rect Gen 1A 200V 60-40030 D100 Diode 1N4003 Rect Gen 1A 200V 60-40030 D101 Diode 1N4003 Rect Gen 1A 200V 60-40030 D102 LED Green small #204GD 3mm T-1.0 60-75330 D103 LED Red small #204HD 3mm T-1.0 60-75320 D104 LED Red small #204HD 3mm T-1.0 60-75320 D106 Diode 1N4003 Rect Gen 1A 200V 60-40030 D107 Diode 1N4003 Rect Gen 1A 200V 60-40030 D108 Diode 1N4003 Rect Gen 1A 200V 60-40030 D109 Diode 1N4003 Rect Gen 1A 200V 60-40030 D200 Diode 1N4003 Rect Gen 1A 200V 60-40030 D201 Diode 1N4003 Rect Gen 1A 200V 60-40030 D202 LED Green small #204GD 3mm T-1.0 60-75330 D203 LED Red small #204HD 3mm T-1.0 60-75320 D204 LED Red small #204HD 3mm T-1.0 60-75320 D205 Diode 1N4003 Rect Gen 1A 200V 60-40030 D206 Diode 1N4003 Rect Gen 1A 200V 60-40030 D207 Diode 1N4003 Rect Gen 1A 200V 60-40030 D208 Diode 1N4003 Rect Gen 1A 200V 60-40030 D209 Diode 1N4003 Rect Gen 1A 200V 60-40030 H1-A Header 4 Pin AMP 9A 600V PCB MTG 23-08604 H1-B Header 4 Pin AMP 9A 600V PCB MTG 23-08604 H2 Header 2 Pin Vert Panduit PCB MTG 23-10002 H2-A Header 4 Pin Vert SHS 2.5mm PCB MTG 23-11004 H2-B Header 4 Pin Vert SHS 2.5mm PCB MTG 23-11004 H3-A Header 10 Pin Vert SHS 2.5mm PCB MTG 23-11010 H3-B Header 10 Pin Vert SHS 2.5mm PCB MTG 23-11010 H4-A Header 10 Pin Vert SHS 2.5mm PCB MTG 23-11010 H4-B Header 10 Pin Vert SHS 2.5mm PCB MTG 23-11010 H5 Header 2 Pin Vert Panduit PCB MTG 23-10002 H6-A Header 4 Pin AMP 9A 600V PCB MTG 23-08604 H6-B Header 4 Pin AMP 9A 600V PCB MTG 23-08604 H7 Header 9 Pin AMP 9A 600V PCB MTG 23-08609 J100 XLR Jack Female Neutrik Vert PCB MTG 21-40000 J101 Phone Jack, 1/4” 7 Pin Plastic, 24mm Tall 21-06457 J102 Phone Jack, 1/4” 3 Pin Plastic, 24mm Tall 21-06453 J200 XLR Jack Female Neutrik Vert PCB MTG 21-40000 J201 Phone Jack, 1/4” 7 Pin Plastic, 24mm Tall 21-06457 J202 Phone Jack, 1/4” 3 Pin Plastic, 24mm Tall 21-06453 K100 Relay 24V12A SPDT SIEMENS PCB MGT 70-05712 K200 Relay 24V12A SPDT SIEMENS PCB MGT 70-05712 L100 Inductor 3.3µH Air Core Spool 15-00165 L200 Inductor 3.3µH Air CoreSpool 15-00165 OP1 Opto Isolator VTL5C2 60-50253 OP2 Opto Isolator VTL5C2 60-50253 P100 Pot. B10Kx2 41Clk Brkt Rot Knurled 90° 71-10301 P101 Pot. Trimmer 5K Vert PCB MTG 71-25000 P200 Pot. B10Kx2 41Clk Brkt Rot Knurled 90° 71-10301 P201 Pot. Trimmer 5K Vert PCB MTG 71-25000 Q1 Transistor Darlington NPN MPSA14 60-00014 Q2 Transistor 2N5400 PNP AMP TO-92 60-54000 Q100 Transistor Darlington NPN MPSA14 60-00014 Q101 Transistor TIP31C 3A 100V NPN TO-220 60-31000 Q102 Transistor MPSW42 HV 1.0W NPN T0-237 60-00042 Q103 Transistor CENW92 HV PNP 1.0W TO-92 60-00092 Q104 Transistor TIP32C 3A 100V PNP TO-220 60-32000 Q105 Transistor TIP31C 3A 100V NPN TO-220 60-31000 Q106 Transistor TIP31C 3A 100V NPN TO-220 60-31000 Q107 Transistor MJL21194 NPN 16A 250V 200W 60-21194 Q108 Transistor MJL21194 NPN 16A 250V 200W 60-21194 Q109 Transistor MJL21193 PNP 16A 250V 200W 60-21193 Q110 Transistor MJL21193 PNP 16A 250V 200W 60-21193
Q200 Transistor Darlington NPN MPSA14 60-00014 Q202 Transistor MPSW42 HV 1.0W NPN T0-237 60-00042 Q203 Transistor CENW92 HV PNP 1.0W TO-92 60-00092 Q204 Transistor TIP32C 3A 100V PNP TO-220 60-32000 Q205 Transistor TIP31C 3A 100V NPN TO-220 60-31000 Q206 Transistor TIP31C 3A 100V NPN TO-220 60-31000 Q207 Transistor MJL21194 NPN 16A 250V 200W 60-21194 Q208 Transistor MJL21194 NPN 16A 250V 200W 60-21194 Q209 Transistor MJL21193 PNP 16A 250V 200W 60-21193 Q210 Transistor MJL21193 PNP 16A 250V 200W 60-21193 R1 1/4W Resistor 2.2K .35” prep. 5% Carbon 50-22035 R2 1/4W Resistor 3.3K .35” prep. 5% Carbon 50-33035 R3 1/4W Resistor 100K .35” prep. 5% Carbon 50-10055 R4 1/4W Resistor 150Ω .35” prep. 5% Carbon 50-15025 R5 1/4W Resistor 39K .35” prep. 5% Carbon 50-39045 R6 1/4W Resistor 39K .35” prep. 5% Carbon 50-39045 R7 1/4W Resistor 470K .35” prep. 5% Carbon 50-47055 R8 1/4W Resistor 470K .35” prep. 5% Carbon 50-47055 R9 1/4W Resistor 22K .35” prep. 5% Carbon 50-22045 R10 1/4W Resistor 22K .35” prep. 5% Carbon 50-22045 R11 1/4W Resistor 20K .35” prep. 5% Carbon 50-20045 R12 1/4W Resistor 6.8K .35” prep. 5% Carbon 50-68035 R13 1/4W Resistor 2.2M .35” prep. 5% Carbon 50-22065 R14 1/4W Resistor 20K .35” prep. 5% Carbon 50-20045 R15 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R16 Not Used R17 1/4W Resistor 22K .35” prep. 5% Carbon 50-22045 R18 1/4W Resistor 1K .35” prep. 5% Carbon 50-10035 R19 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R20 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R22 1/4W Resistor 5.6K .35” prep. 5% Carbon 50-56035 R23 1/4W Resistor 470K .35” prep. 5% Carbon 50-47055 R24 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R25 1/4W Resistor 1K .35” prep. 5% Carbon 50-10035 R26 1/4W Resistor 4.7K .35” prep. 5% Carbon 50-47035 R28 1/4W Resistor 220Ω .35” prep. 5% Carbon 50-22025 R31 1/4W Resistor 100K .35” prep. 5% Carbon 50-10055 R100 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R101 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R102 1/4W Resistor 22K .35” prep. 5% Carbon 50-22045 R103 1/4W Resistor 22K .35” prep. 5% Carbon 50-22045 R104 1/4W Resistor 2.2K .35” prep. 5% Carbon 50-22035 R105 1/4W Resistor 220Ω .35” prep. 5% Carbon 50-22025 R106 1/4W Resistor 470K .35” prep. 5% Carbon 50-47055 R107 1/4W Resistor 470K .35” prep. 5% Carbon 50-47055 R108 1/4W Resistor 1K .35” prep. 5% Carbon 50-10035 R109 Not Used R110 1/4W Resistor 470K .35” prep. 5% Carbon 50-47055 R111 1/4W Resistor 470Ω .35” prep. 5% Carbon 50-47025 R112 1/4W Resistor 1.5K .35” prep. 5% Carbon 50-15035 R115 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R116 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R117 1/4W Resistor 2.2K .35” prep. 5% Carbon 50-22035 R118 1/4W Resistor 47K .35” prep. 5% Carbon 50-47045 R119 1/4W Resistor 4.7K .35” prep. 5% Carbon 50-47035 R120 1/4W Resistor 100Ω .35” prep. 5% Carbon 50-10025 R121 1/4W Resistor 100Ω .35” prep. 5% Carbon 50-10025 R122 1/4W Resistor 4.7K .35” prep. 5% Carbon 50-47035 R123 1/4W Resistor 680Ω .35” prep. 5% Carbon 50-68025 R124 1/4W Resistor 4.7K .35” prep. 5% Carbon 50-47035 R125 1/4W Resistor 2.2K .35” prep. 5% Carbon 50-22035 R126 1/4W Resistor 1K .35” prep. 5% Carbon 50-10035 R127 1/4W Resistor 680Ω .35” prep. 5% Carbon 50-68025 R128 1/4W Resistor 2.2K .35” prep. 5% Carbon 50-22035 R129 1/2W Resistor 4.7Ω 0.5 prep. 5% Carbon 52-47005 R130 1/4W Resistor 150Ω .35” prep. 5% Carbon 50-15025 R131 1/2W Resistor 4.7Ω 0.5 prep. 5% Carbon 52-47005 R132 5W Resistor 0.22Ω Vert 5% Sand Bar 55-02205 R133 5W Resistor 0.22Ω Vert 5% Sand Bar 55-02205 R134 5W Resistor 0.22Ω Vert 5% Sand Bar 55-02205 R135 5W Resistor 0.22Ω Vert 5% Sand Bar 55-02205 R136 1/4W Resistor 1K .35” prep. 5% Carbon 50-10035 R137 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R138 1/4W Resistor 100K .35” prep. 5% Carbon 50-10055
R139 1/4W Resistor 100K .35” prep. 5% Carbon 50-10055 R140 1/4W Resistor 33K .35” prep. 5% Carbon 50-33045 R144 2W Resistor 10Ω 0.8 prep. 5% Metal 54-10015 R150 2W Resistor 10Ω 0.8 prep. 5% Metal 54-10015 R200 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R201 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R202 1/4W Resistor 22K .35” prep. 5% Carbon 50-22045 R203 1/4W Resistor 22K .35” prep. 5% Carbon 50-22045 R204 1/4W Resistor 2.2K .35” prep. 5% Carbon 50-22035 R205 1/4W Resistor 220Ω .35” prep. 5% Carbon 50-22025 R206 1/4W Resistor 470K .35” prep. 5% Carbon 50-47055 R207 1/4W Resistor 470K .35” prep. 5% Carbon 50-47055 R208 1/4W Resistor 1K .35” prep. 5% Carbon 50-10035 R209 Not Used R210 1/4W Resistor 470K .35” prep. 5% Carbon 50-47055 R212 1/4W Resistor 470Ω .35” prep. 5% Carbon 50-47025 R215 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R216 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R217 1/4W Resistor 2.2K .35” prep. 5% Carbon 50-22035 R218 1/4W Resistor 47K .35” prep. 5% Carbon 50-47045 R219 1/4W Resistor 4.7K .35” prep. 5% Carbon 50-47035 R220 1/4W Resistor 100Ω .35” prep. 5% Carbon 50-10025 R221 1/4W Resistor 100Ω .35” prep. 5% Carbon 50-10025 R222 1/4W Resistor 4.7K .35” prep. 5% Carbon 50-47035 R223 1/4W Resistor 680Ω .35” prep. 5% Carbon 50-68025 R224 1/4W Resistor 4.7K .35” prep. 5% Carbon 50-47035 R225 1/4W Resistor 2.2K .35” prep. 5% Carbon 50-22035 R226 1/4W Resistor 1K .35” prep. 5% Carbon 50-10035 R227 1/4W Resistor 680Ω .35” prep. 5% Carbon 50-68025 R228 1/4W Resistor 2.2K .35” prep. 5% Carbon 50-22035 R229 1/2W Resistor 4.7Ω 0.5 prep. 5% Carbon 52-47005 R230 1/4W Resistor 150Ω .35” prep. 5% Carbon 50-15025 R231 1/2W Resistor 4.7Ω 0.5 prep. 5% Carbon 52-47005 R232 5W Resistor 0.22Ω Vert 5% Sand Bar 55-02205 R233 5W Resistor 0.22Ω Vert 5% Sand Bar 55-02205 R234 5W Resistor 0.22Ω Vert 5% Sand Bar 55-02205 R235 5W Resistor 0.22Ω Vert 5% Sand Bar 55-02205 R236 1/4W Resistor 1K .35” prep. 5% Carbon 50-10035 R237 1/4W Resistor 10K .35” prep. 5% Carbon 50-10045 R238 1/4W Resistor 100K .35” prep. 5% Carbon 50-10055 R239 1/4W Resistor 100K .35” prep. 5% Carbon 50-10055 R240 1/4W Resistor 33K .35” prep. 5% Carbon 50-33045 R244 2W Resistor 10Ω 0.8 prep. 5% Metal 54-10015 R250 2W Resistor 10Ω 0.8 prep. 5% Metal 54-10015 S1 Switch DPDT Push, Vert Small PCB MTG 25-02201 S2 Switch DPDT Push, Vert Small PCB MTG 25-02201 S3 Switch DPDT Push, Vert Small PCB MTG 25-02201 S4 Switch DPDT Push, Vert Small PCB MTG 25-02201 VR1 Voltage Regulator 7815 +15V 2A 60-78150 VR2 Voltage Regulator 7915 -15V 2A 60-79150 VR3 Voltage Regulator 7915 -15V 2A 60-79150
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
SAFETY INSTRUCTIONS (EUROPEAN)
The conductors in the AC power cord are colored in accordance with the following code.
GREEN & YELLOW—Earth BLUE—Neutral BROWN—Live
U.K. MAIN PLUG WARNING: Amolded main plug that has been cut off from the cord is unsafe. NEVER UNDER ANYCIRCUMSTANCES SHOULD YOU INSERTA DAMAGED OR CUT MAIN PLUG INTO APOWER SOCKET.
IMPORTANT! FOR YOUR PROTECTION, PLEASE READ THE FOLLOWING:
WATER AND MOISTURE: Appliance should not be used near water (near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc). Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings.
POWER SOURCES: The product should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance.
GROUNDING OR POLARIZATION: Precautions should be taken so that the grounding or polar­ization is not defeated.
POWER CORD PROTECTION: Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the appliance.
SERVICING: The user should not attempt to service the appliance beyond that described in the operating instructions. All other servicing should be referred to qualified service personnel.
FUSING: If your unit is equipped with a fuse receptacle, replace only with the same type fuse. Refer to replacement text on the unit for correct fuse type.
REFER SERVICING TO QUALIFIED SER­VICE PERSONNEL! THIS UNIT CON­TAINS HIGH VOLTAGE INSIDE!
CAUTION
RISK OF ELECTRIC SHOCK
REPLACEMENT PARTS LIST
This symbol is intended to alert the user to the pres­ence of uninsulated “dan-
gerous voltage” within the product’s enclosure that may be of suf­ficient magnitude to constitute a risk of electric shock to persons.
This symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instruc­tions in the literature accompanying the appliance.
LIMITED WARRANTY
Your Carvin product is guaranteed against failure for ONE YEAR unless otherwise stated. Carvin will service and supply all parts at no charge to the customer providing the unit is under warranty. Shipping costs are the responsibility of the customer . CARVIN DOES NOT P AY FOR P ARTS OR SER­VICING OTHER THAN OUR OWN. A COPY OF THE ORIGINAL INVOICE IS REQUIRED TO VERIFY YOUR WARRANTY. Carvin assumes no responsibility for horn drivers or speakers damaged by this unit. This warranty does not cover , and no liability is assumed, for damage due to: natural disasters, accidents, abuse, loss of parts, lack of reasonable care, incorrect use, or failure to follow instruc­tions. This warranty is in lieu of all other warranties, expressed or implied. No representative or person is authorized to represent or assume for Carvin any liability in connection with the sale or servicing of Carvin products.
CARVIN SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES.
When RETURNING merchandise to the factory, you may call for a return authorization number. Describe in writing each problem. If your unit is out of warranty, you will be charged the current FLAT RATE for parts and labor to bring your unit up to factory specifications.
HELP SECTION
1) WILL NOT TURN ON
Check the power to the unit. Check for tripped main circuit breakers, unplugged extension cords or power-strip switches that may be turned off. Check the amps circuit breaker on the rear panel. If the black curved center button is in the out position, push it in to reset. If the breaker contin­ues to trip, check your speaker cables and total speaker impedance. If the amps circuit breaker will not reset, then the amp will require servicing.
2) MAINTAINING YOUR EQUIPMENT
Avoid spilling liquids or allowing any other foreign matter inside the unit. The panel of your unit can be wiped from time to time with a dry or slightly damp cloth in order to remove dust and bring back the new look.
As with all pro gear, avoid prolonged use in caustic environments (salt air). When
used in such an environment, be sure the amplifier is adequately protected by rack, covers, etc..
Page 2
The HT760M professional Dual Graphic Monitor amps were designed utilizing Carvin’s 33 years of experience in power amp & equalizer technology . The HT760M is Ideal for monitor set-ups because its small size, light weight, high power, and EQ capabilities allow you to use only one piece of gear in place of two or three. This saves you work, rack space, and money. Their thick brushed anodized alu­minum face plates, large recessed knobs, quality metal sliders with rubber boots, and heavy-duty steel chassis reflect the manufacturing quality within. All models carry the CE approval for world-wide use.
PURE—TRANSPARENT SOUND
Carvin considers the sound of an amp equally important as its reliability. T o insure pure, uncolored sound, we designed one of the fastest responding power amps on the market today. High slew rates greater than 45v/µs deliver superb transient response. High frequencies are transparent and open—even at extreme levels. Linear feedback circuits reduce distortion to near the theoretical zero limit, preventing any type of harshness which would lead to ear fatigue. The HT Series amps deliver flat, transparent, unaltered sound—especially important to the studio user. And you can drive any type of reactive loads, including 70V transformer distribution sys­tems. These amps are designed to deliver non-stop, continuous power and are completely protected from heat and short circuits.
ULTRA RUGGED FOR TOURING
Every chassis is made from heavy-duty 16 gauge steel that is galvanized before being painted to prevent rust. All internal cabling is neatly tied and harnessed. Every circuit card is MIL SPEC, double-sided, through-hole plated, fire retardant FR-4 glass epoxy. This insures that the solder flows on the top, bottom and thr ough each hole of every component, preventing components from shaking loose— even through constant tour use. Neutrik™ XLR connectors, heavy-duty power switches, recessed knobs, machined aluminum front panels and extruded han­dles all give the HT amps a “tank-like” ability to handle rough, touring transport.
TOTALLY MODULAR
With the HT Series, Carvin brings you totally modular construction. If you ever need an I/O (input/output) connector card because a connector wore-out, just unplug it and re-install the replacement card in minutes. You don’t have to de­solder anything. This applies to every aspect of the HT Series amps including the power supply, power cards, heat sinks and fans. Everything is connected by heavy-duty AMP™ and MOLEX™ type connectors for easy replacement—even the Toroid transformer is a total plug-in.
HEAVY-DUTY COOLING
Carvin offers up to 30% more cooling than comparable amps rated at the same wattage. This means that the HT Series are thermally “over-engineered” to be sure heat will never be a concern. Even outdoor concerts in direct sunlight will not cause thermal shut down. Carvin uses precision 6063 T-5 aluminum high ratio heat sinks that are extruded for massive amounts of cooling. High efficiency , multi-speed fans cool your amp quietly.
LOSE THE WEIGHT...NOT THE PERFORMANCE
For some companies weight reduction means cost reduction. Carvin however, uses expensive TOROID transformers to reduce weight. Toroids deliver massive amounts of “on demand” current for continuous 2 ohm operation. This gives the power supply a solid foundation, yielding more headroom for the largest subwoofer application. Not only do toroids deliver high current, but they are known for reduc­ing stray magnetic fields eliminating hum & noise. This is especially important for the recording industry.
HT760M POWER AMP SPECIFICATIONS:
MODEL HT760M
Bridged RMS Continuous
4Ω, (20-20k Hz, <0.4%) 750w
Both Channels RMS Continuous
2Ω (20-20k Hz, <0.2%) 375/375w 4Ω (20-20k Hz, <0.2%) 250/250w 8Ω (20-20k Hz, <0.2%) 175/175w
THD (Typical): 0.03% Damping Factor: >350 Slew Rate: bridged mode >45v/µs Sensitivity: (4Ω, Vms) 0.75 V Signal to Noise Ratio: 103 dB Frequency Response: ±0.5 dB, 20 Hz to 20kHz
(±1.5 dB, 10 Hz & 40 kHz)
Input Impedance: >20K Ω, balanced Protection Circuits: • Short Circuit • No Load Protection
• SpeakerGuard™ • Thermal Shut-Off • Mute On/OFF
Control and Indicators:
Front: •Dual 9-Band Graphic Equalizers • Power switch
• Recessed 41 detent attenuators
• Signal LED • Clip LED • Protect LED
• Power Indicator
Rear: Ground Lift (each channel) • Parallel Input Switch
• Speaker Output Bridge Switch • Limiters IN/OUT Sw
• Input Connectors: Two each; Balanced XLR & 1/4”
• Speaker Output Connectors: Dual heavy-duty binding posts and two 1/4” phone jacks
Dimensions: 3 1/2" High x 19" Wide x 10" Depth (2-space) Net Weight: 22 lbs.
76-00760 797
12340 World Trade Drive, San Diego, CA 92128
(619) 487-1600 (800) 854-2235
www.carvin.com
HT760M
For your records, you may wish to record the following information. Serial No._____________________ Invoice Date_______________
RECEIVING INSPECTION—read before getting started
INSPECT YOUR UNIT FOR ANY DAMAGE which may have occurred during shipping. If any
damage is found, please notify the shipping company and CARVIN immediately.
SAVE THE CARTON & ALL P ACKING MATERIALS. In the event you have to re-ship your unit, always use the original carton and packing material. This will provide the best possible protec­tion during shipment. CARVIN and the shipping company are not liable for any damage caused by improper packing.
SAVE YOUR INVOICE. It will be required for warranty service if needed in the future. SHIPMENT SHORTAGE. If you find items missing, they may have been shipped separately.
Please allow several days for the rest of your order to arrive before inquiring.
RECORD THE SERIAL NUMBER on the enclosed warranty card or below on this manual for your records. Keep your portion of the card and return the portion with your name and comments to us.
DISTORTION-FREE LIMITERS
While most amps do not offer built-in limiters, this is an important feature to look
for. The purpose of a limiter is to hold down peaks so the amp won’t distort even with extra hot input signals (this protects your expensive speakers). In addition, a well designed limiter can increase your amp’s average output as much as 3 db. Part of Carvin’s design uses the more expensive, distortion-free linear “opto isolators”. Unlike amps that use FET controlled limiters which can inject small amounts of dis­tortion, the HT Series limiters keep your sound pure and uncolored!
FRONT PANEL & CONNECTING UP
The HT760Mfeatures front panel signal, peak and protect LEDs which let you mon­itor the status of the amp easily. Also, both channels use precision 41 detent level controls allowing you to see your settings at a glance. The main features are the two 9-Band graphic equalizers that easily allow fine tuning of your sound or balancing out and elimitaing feedback on a monitor system. Balanced 1/4 phone & XLR input jacks are used to eliminate hum & noise. Speaker outputs feature 1/4” jacks & heavy­duty binding posts that accept up to 50 amp #7 speaker wires.
The rear professional accessory group offers a GROUND switch to remove the chassis ground from the XLR input, a Parallel input switch connects the inputs of both channels together eliminating Y connectors and allowing amp patching in mul­tiple amp systems. The accessory group also features a bridge mode switch for delivering full power into a 70V distribution system and a limiter ON/OFF switch that gives you the choice of using the internal limiter circuitry.
CARVIN ENGINEERING DATA OPERATING MANUAL
HT760M EQUALIZED MONITOR POWER AMP
Page 3
FRONT PANEL
1. MOUNTING
Sturdy one piece aluminum handles make for easy transporting along with facilitating rack installation. The rack mounting holes are designed on ISO standard spacing. Four 10-32 x .5” phillip machine screws are normally used to secure the amp. Rear support brackets are not required.
2. POWER SWITCH
Check the power amp connections and verify the AC line power source before engaging the POWER switch. The red LED unmistakably indicates that all circuits are properly powered up. Yellow was chosen so the operator could see the other indicators from a distance.
3. CHANNEL LEVEL CONTROL
A precision 41 step input LEVEL attenuate is used to adjust the volume levels. To deliver the amps full power without reducing the headroom of the signal source, the level controls should be turned up approx­imately 1/3 (15 on the dial).
4. DUAL 9-BAND GRAPHIC EQUALIZERS
Controling feed-back in a monitor system and fine tuning your sound are easy with the HT760M’s two on-board EQ’s. For feed-back, find the offending frequency (usually in the upper bands) and push the slider down to cut the level of that frequency, thus allowing more gain (volume) before feed-back. For tone control, move the sliders up or down from their center detent positions to suit your taste. The slid­ers are designed to move hard so adjustments will stay in place.
5. CHANNEL CLIP INDICATOR
The red CLIP LED indicators will start to flash when each channel has reached its maximum output. Occasional flashing caused by lower bass frequencies is OK. However, consistent flashing caused from higher frequencies may damage high frequency drivers (excessive distortion). This does not cause damage to the amp.
6. PROTECT LED INDICATOR
The red PROTECT LED provides the operator with information about the status of the amplifier. The PROTECT LED can come on under 3 different conditions (when this happens both channels are muted by disconnecting the output speaker relays);
1) During power-up, the amplifier stays in a muted state for approx. 3 sec until it determines that everything is functioning normally (no output shorts or over temp conditions).
2) When the output load draws excessive current or a direct short is detected caused by a shorted speaker cable or speaker system. Reset this condition by tur
ning the amp off for two seconds and then on again. Check for shorted cables and the total speaker system impedance connected to each channel (2 ohms minimum per ch or 4 ohms BRIDGED).
3) Overheating is usually determined when the amp stops in the middle of a performance and the PROTECT LED is on. If this is the cause, leave the amp on for the fan to cool the amp down.
The amp will automatically reset within 1 to 3 minutes. The PROTECT LED will turn off when ready. Check for the following conditions; a) The rear intake air is restricted, b) Intake air is extremely warm, c) Front exhaust vents restricted, or d) Excessive speaker load (try other speakers or remove speakers if you have more than one connected to each channel). Again, the minimum impedance is 2 ohms per ch or 4 ohms BRIDGED)
REAR PANEL
7. COOLING FAN
The fan is designed to pull air in to the amplifier. Do not restrict or block its intake or the amp will go
into protect mode. Hot air entering the amp may also cause the amp to go into protect mode.
8. XLR CHANNEL INPUTS
For most professional applications, use the XLR balanced inputs. This will help to reduce hum and allow for longer cable runs from your signal source (mixer, etc). Because this is a balanced input, the gain will be 6 dB higher than using the 1/4” input jack with non balanced lines. XLR pin configuration: Pin 1: Grounded through the GROUND LIFT switch, Pin 2: positive Bal. signal and Pin 3: negative Bal. signal.
9. CHANNEL 1/4” PHONE JACK INPUT
This stereo phone jack is designed to receive either balanced or unbalanced input signals. Balanced sig­nals coming into this jack should be wired with the connector’s tip going to signal + and the connector’s ring to signal -. The connector’s sleeve is then tied internally to ground through the GROUND LIFT switch.
10. PARALLEL OR “Y” INPUTS
The rear PARALLEL switch allows you to drive both channels from either input. All signals entering any input will be available on both channels. This eliminates Y adapter cables. This feature is used to “daisy chain” one piece of equipment to another. Just plug into the unused INPUT (1/4” or XLR) and it will become an output for other equipment.
11. INPUT GROUND LIFT
Many times sound systems are connected in such a manner to cause a grounded loop with the inputs that result in audible hum. The input (1/4” & XLR) GROUND LIFT switch on the rear panel will help elim­inate this problem. If not, another way to eliminate ground loops is to install a “line matching” trans­former between the amplifier input and the signal source.
12. LIMITERS
To activate the LIMITERS, engage the rear limiter switch. The built-in high quality limiters are recommended to hold down peaks that could cause early distortion. Limiters will help to rise the average power so that you can get more output from each channel. To check the effectiveness of the limiters when the channel starts to distort (under the amps full output), engage the limiters and hear the reduction of the distortion. If the distortion stops, you can turn the channel up for more power. The lower bass frequencies are most affected. WARNING: Do not check in an environment where the sound level could damage your ears!
13. SPEAKER OUTPUTS
The standard 1/4” SPEAKER jacks are used for most applications. Turn the amp off before connecting
your speakers.
14. SPEAKER BINDING POSTS
For heavy-duty speaker connections, use the rear BINDING POSTS to connect your speakers. Wire sizes up to 7 gauge (50 amps) can be inserted into the binding post “side holes”. Larger cable can be used with “banana” plugs which plug into the end of the binding posts (remove colored caps). Binding posts are spaced on ISO standards. Use the two center RED binding posts for BRIDGE speaker connections (see 15 BRIDGE MODE).
15. BRIDGE MODE—
25V/70V DISTRIBUTION SYSTEMS
The “DCM” Series can be operated in bridge mode if you require a 25V / 70V distribution speaker system or a high powered mono (single channel) amp. With your amp off, push in the rear (recessed) BRIDGE switch after you have made your speaker connections to the rear center RED binding posts (ch 1 is + and ch 2 is ­). No other speaker connectors or binding posts can to be used at the same time!”. The INPUT and LEVEL is handled by channel 1. Channel 2 is non-operational. The minimum speaker impedance is 4 ohms or a 25V distribution line. CAUTION: The power developed by bridging your amp can destroy most speaker systems!
16. AC POWER
Your amp is designed to run on either 120V 60 Hz or 230V 50Hz depending on the model purchased. The voltage range for 120V model is 95V to 132V and for 230V model it is 195V to 253V . The rear heavy­duty AC receptacle will accept a standard grounded AC cord that is designed your country. Be sure to check your power source before plugging into a grounded (3 prong) outlet. Never defeat the grounded connection or electrocution may result! Firmly push the AC cord all the way into its recepticle.
17. AC CIRCUIT BREAKER
We have provided you with the convenience of a circuit breaker so that you will never have to replace a fuse. Occasionally the circuit breaker on your amp may have to be reset if high AC voltage surges are present or if the amp is used with excessive loads.
221 34 5 6
FRONT & REAR PANEL CONTROLS
7
1610 11 12 15 14 1798 13
Page 4
TYPICAL SINGLE MONITOR MIX SETUP
120V 60Hz Slow Blow
FUSE 8A 3AG 700VA
www.carvin.com
MADE
AUS
INTHE
SERIAL NUMBER
8 OHMS/CH 4 OHMS/CH 2 OHMS/CH 8Ω BRIDGED 4Ω BRIDGED
175W 250W 375W 500W 750W
INPUTS
1
2
MONO BRIDGE
— + + —
OUTPUTS
1 2
PARALLEL
INPUTS
LIMITER
XLR
GND LIFT
CH1
PIN 2 SIGNAL + PIN 3 SIGNAL –
PIN 1 GND
The channel PARALLEL switch OFF (OUT).
25V or 70V
Distribution System:
Wattage of transformer (TAP)
divided by total wattage
of Amp = Number of
transformer/speaker(s)
that can be hooked up.
or
To signal socket XLR or 1/4" 2 or 3 cond. shielded
Activate the BRIDGE switch (IN). Control the level by Ch 1 ( Ch 2 does not function.
Ch 1 Input
+
16
8 4
C
or
Single speaker or
system connected
in BRIDGE mode. Minimum imp. 4Ω
15w
7w 3w 1w
C
+
16
8 4
C
15w
7w 3w 1w
C
120V 60Hz Slow Blow
FUSE 8A 3AG 700VA
www.carvin.com
MADE
AUS
INTHE
SERIAL NUMBER
INPUTS
1
2
MONO BRIDGE
— + + —
OUTPUTS
1 2
PARALLEL
INPUTS
LIMITER
XLR
GND LIFT
CH1
PIN 2 SIGNAL + PIN 3 SIGNAL –
PIN 1 GND
For single input operation, push the PARALLEL button IN.
From Mixer Monitor Output
BRIDGE switch must be OFF (OUT).
or
Up to four monitors per side using 8 ohm systems or two monitors per side with 4 ohm systems.
25V OR 70V DISTRIBUTION SYSTEM
* For monural (mono) systems, depress the PARALLEL button (IN) and use only CHANNEL 1 input (speaker hookup identical to stereo). Mono is normally recommended for live stage applications. Live stereo sounds great in the center of the audience, however, the audience on one side will not hear the program material pre­sented on the other side.
SHIELD
+POS.
2
1
3
-NEG.
SHIELD
+POS.
2
1
3
-NEG. SHIELD (GROUND)
+ SIGNAL (BAL.)
- SIGNAL (BAL.)
BALANCED MIC/LINE
SPEAKER OR SIGNAL LINE CABLE
INTERRUPT (PATCH)/STEREO OR BALANCED SIGNAL LINE
(Shielded)
(Unshielded) (Shielded)
(Shielded)
SHIELD (GROUND)
+ SIGNAL (REC.)
- SIGNAL (SEND)
RING SLEEVE SLEEVE RING TIP
TIP
SHIELD (GROUND)
+ TIP (POS. SIGNAL)
SLEEVE SLEEVE TIP
TIP
2
3
120V 60Hz Slow Blow
FUSE 8A 3AG 700VA
www.carvin.com
MADE
AUS
INTHE
SERIAL NUMBER
INPUTS
1
2
MONO
BRIDGE
— + + —
OUTPUTS
1 2
PARALLEL
INPUTS
LIMITER
XLR
GND
LIFT
CH1
PIN 2 SIGNAL + PIN 3 SIGNAL –
PIN 1 GND
From Mixer Monitor 1 Output
BRIDGE switch must be OFF (OUT).
or
For dual monitor mix (stereo), the PARALLEL switch must be in the OUT position (OFF).
From Mixer Monitor 2 Output
Up to four monitors per side using 8 ohm systems or two monitors per side with 4 ohm systems.
TYPICAL DUAL MONITOR MIX SETUP
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