Carvin HT150 User Manual
HT Series Chassis, Cables & Hardware
REFDESCRIPTION PART # QTY
1 Fuse Holder 23-81116 1
Line Fuse Value
120 VAC 2A, 250V, Slow Blow, 3AG 15-01512 1
230 VAC 1A, 250V, Slow Blow, 3AG 15-01524 1
2 Binding Post, Dual, Black/Red, Long 03-10450 2
3 Circuit Board Assembly (Includes all PCB’s) 80-01528 1
4 Unichassis 10-01509 1
5 Bracket, Tiedown, IC 10-63008 2
6 Front Panel 10-01501 1
7 Switch, Power 25-31350 1
8 Knob, Power Amp 07-09001 2
9 Mount, Toroid Cap 10-15004 1
Insulator, Toroid Pad (Not shown) 03-15010 2
10 Transformer, Power, Toroid See Chart 1
11 Cover, Chassis (Not shown) 10-06005 1
12 Foot, .875x.3125 (Not shown) 03-19682 4
13 Power Cord, AC, 16AWG (Not shown) 05-01604 1
Parts List For HT150 PCB Sub Assemblies
REF DESCRIPTION PART #
A1 Op-amp, Low noise 60-45580
A2 Op-amp, Low noise 60-45580
C1 Capacitor, Electrolytic, 4700µF, 50V 42-47251
C2 Capacitor, Electrolytic, 4700µF, 50V 42-47251
C3 Capacitor, Electrolytic, 470µF, 25V 47-47125
C4 Capacitor, Electrolytic, 470µF, 25V 47-47125
C5 Capacitor, Electrolytic, 10µF, 50V 47-10051
C6 Capacitor, Electrolytic, 10µF, 50V 47-10051
C7 Capacitor, Electrolytic, 10µF, 50V 47-10051
C8 Capacitor, Mylar, .047µF, 250V 41-47322
C100 Capacitor, Ceramic, 56pF 45-56052
REF DESCRIPTION PART #
C101 Capacitor, Ceramic, 56pF 45-56052
C102 Capacitor, Electrolytic, 10µF, 50V 47-10051
C103 Capacitor, Electrolytic, 10µF, 50V 47-10051
C104 Capacitor, Ceramic, 120pF 45-12152
C105 Capacitor, Ceramic, 120pF 45-12152
C106 Capacitor, Electrolytic, 10µF, 50V 47-10051
C107 Capacitor, Poly, .0047µF, 100V 46-47212
C108 Capacitor, Poly, .022µF, 100V 46-22312
C109 Capacitor, Electrolytic, 10µF, 50V 47-10051
C110 Capacitor, Poly, .1 µF, 100V 46-10412
C111 Capacitor, Poly, .1 µF, 100V 46-10412
C112 Capacitor, Electrolytic, 10µF, 50V 47-10051
C113 Capacitor, Electrolytic, 10µF, 50V 47-10051
C114 Capacitor, Mylar, 0.22µF 46-22412
C115 Capacitor, Electrolytic, 10µF, 50V 47-10051
C200 Capacitor, Ceramic, 56pF 45-56052
C201 Capacitor, Ceramic, 56pF 45-56052
C202 Capacitor, Electrolytic, 10µF, 50V 47-10051
C203 Capacitor, Electrolytic, 10µF, 50V 47-10051
C204 Capacitor, Ceramic, 120pF 45-12152
C205 Capacitor, Ceramic, 120pF 45-12152
C206 Capacitor, Electrolytic, 10µF, 50V 47-10051
C207 Capacitor, Poly, .0047µF, 100V 46-47212
C208 Capacitor, Poly, .022µF, 100V 46-22312
C209 Capacitor, Electrolytic, 10µF, 50V 47-10051
C210 Capacitor, Poly, .1 µF, 100V 46-10412
C211 Capacitor, Poly, .1 µF, 100V 46-10412
C212 Capacitor, Electrolytic, 10µF, 50V 47-10051
C213 Capacitor, Electrolytic, 10µF, 50V 47-10051
C214 Capacitor, Mylar, 0.22µF 46-22412
C215 Capacitor, Electrolytic, 10µF, 50V 47-10051
D1 Diode, 6A, 200V, MR752 60-75200
REF DESCRIPTION PART #
D2 Diode, 6A, 200V, MR752 60-75200
D3 Diode, 6A, 200V, MR752 60-75200
D4 Diode, 6A, 200V, MR752 60-75200
D5 LED, Small Yellow 60-24251
D6 Diode, 1A, 200V, 1N4003 61-40030
D100 Diode, 1A, 200V, 1N4003 61-40030
D101 Diode, 1A, 200V, 1N4003 61-40030
D102 LED, Small Green 60-75330
D103 LED, Small Red 60-75320
D200 Diode, 1A, 200V, 1N4003 61-40030
D201 Diode, 1A, 200V, 1N4003 61-40030
D202 LED, Small Green 60-75330
D203 LED, Small Red 60-75320
H1 Cable, Ribbon, 24AWG, 8Pin 05-24175
H2 Cable, Ribbon, 24AWG, 8Pin 05-24255
H3 Cable, Ribbon, 24AWG, 8Pin 05-24175
J100 Jack, 1/4” 7P Plastic, 24mm 21-06457
J101 XLR, Female, Neutrik 21-40000
J102 Jack, 1/4” 3P Plastic, 24mm 21-06453
J200 Jack, 1/4” 7P Plastic, 24mm 21-06457
J201 XLR, Female, Neutrik 21-40000
J202 Jack, 1/4” 3P Plastic, 24mm 21-06453
P100 Pot, B10KΩ, 41 Click, W/BRKT 71-10301
P200 Pot, B10KΩ, 41 Click, W/BRKT 71-10301
PRI 1 Terminal 90deg, .250 QC 06-40060
PRI 2 Terminal 90deg, .250 QC 06-40060
Q100 Trans, Darlington, NPN, 0.5A, 30V 60-00014
Q101 Trans, Darlington, NPN, 0.5A, 30V 60-00014
Q200 Trans, Darlington, NPN, 0.5A, 30V 60-00014
Q201 Trans, Darlington, NPN, 0.5A, 30V 60-00014
QC1 Zierick/Keystone, Straight, .250 QC 06-40050
QC2 Zierick/Keystone, Straight, .250 QC 06-40050
QC3 Zierick/Keystone, Straight, .250 QC 06-40050
R1 Resistor 2W, ±5%, 1.5K 54-15030
R2 Resistor 2W, ±5%, 1.5K 54-15030
R3 Resistor 1W, ±5%, 4.7K 53-47035
R4 Resistor 1/4W, ±5%, 24K 50-24045
R5 Resistor 1/4W, ±5%, 22K 50-22045
R6 Resistor 1/4W, ±5%, 10K 50-10045
R7 Resistor 1/4W, ±5%, 33K 50-33045
R100 Resistor 1/4W, ±5%, 22K 50-22041
R101 Resistor 1/4W, ±5%, 22K 50-22041
R102 Resistor 1/4W, ±5%, 22K 50-22041
R103 Resistor 1/4W, ±5%, 22K 50-22041
R104 Resistor 1/4W, ±5%, 680Ω 50-68025
R105 Resistor 1/4W, ±5%, 5.6K 50-56035
R106 Resistor 1/4W, ±5%, 2.2K 50-22035
R107 Resistor 1/4W, ±5%, 2.7K 50-27035
R108 Resistor 1/4W, ±5%, 22K 50-20045
R109 Resistor 1/4W, ±5%, 10K 50-12045
R110 Resistor 1/4W, ±5%, 910Ω 50-91025
R111 Resistor 1/4W, ±5%, 1K 50-10035
R112 Resistor 1/4W, ±5%, 1.5K 50-15035
R113 Resistor 1/4W, ±5%, 24K 50-24045
R114 Resistor 1/4W, ±5%, 2.2K 50-22035
R115 Resistor 1/4W, ±5%, 47K 50-47045
R116 Resistor 1/4W, ±5%, 3.3K 50-33035
R117 Resistor 1/4W, ±5%, 470K 50-47055
R118 Resistor 1/4W, ±5%, 470K 50-47055
R119 Resistor 1W, ±5%, 4.7K 53-47035
R120 Resistor 1W, ±5%, 4.7K 53-47035
R121 Resistor 1/2W, ±5%, 22Ω 52-22015
REF DESCRIPTION PART #
R122 Resistor 1/4W, ±5%, 47K 50-47045
R200 Resistor 1/4W, ±5%, 22K 50-22041
R201 Resistor 1/4W, ±5%, 22K 50-22041
R202 Resistor 1/4W, ±5%, 22K 50-22041
R203 Resistor 1/4W, ±5%, 22K 50-22041
R204 Resistor 1/4W, ±5%, 680Ω 50-68025
R205 Resistor 1/4W, ±5%, 5.6K 50-56035
R206 Resistor 1/4W, ±5%, 2.2K 50-22035
R207 Resistor 1/4W, ±5%, 2.7K 50-27035
R208 Resistor 1/4W, ±5%, 22K 50-20045
R209 Resistor 1/4W, ±5%, 10K 50-12045
R210 Resistor 1/4W, ±5%, 910Ω 50-91025
R211 Resistor 1/4W, ±5%, 1K 50-10035
R212 Resistor 1/4W, ±5%, 1.5K 50-15035
R213 Resistor 1/4W, ±5%, 24K 50-24045
R214 Resistor 1/4W, ±5%, 2.2K 50-22035
R215 Resistor 1/4W, ±5%, 47K 50-47045
R216 Resistor 1/4W, ±5%, 3.3K 50-33035
R217 Resistor 1/4W, ±5%, 470K 50-47055
R218 Resistor 1/4W, ±5%, 470K 50-47055
R219 Resistor 1W, ±5%, 4.7K 53-47035
R220 Resistor 1W, ±5%, 4.7K 53-47035
R221 Resistor 1/2W, ±5%, 22Ω 52-22015
R222 Resistor 1/4W, ±5%, 47K 50-47045
S1 Switch, DPDT, 2 Position 25-32833
S2 Switch, DPDT, Push, PC Mtg 25-02201
U100 Op-amp, Power 60-72940
U200 Op-amp, Power 60-72940
Z1 Zener Diode,16V ±5%, 1N4745A 61-47450
Z2 Zener Diode,16V ±5%, 1N4745A 61-47450
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 FOR HT AMPS
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. 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 PAY FOR PARTS 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 circuit breakers, unplugged extension cords or
power-strip switches that may be turned off. Check the fuse. If a dark brownish color or no wire
can be seen within the glass fuse, then replace. The unit may be perfectly fine but occasionally
the fuse may blow because of high AC voltage surges. After the fuse has been replaced with the
proper value and if the fuse fails again, the product will require servicing (be sure to use a slow
blow fuse if required). Check your input and speaker output cables.
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..
3
8
7
10
3
2
3
6
4
1
9
5
THIS UNIT CONTAINS
HIGH VOLTAGE COMPONENTS
INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
CARVIN ENGINEERING DATA OPERATING MANUAL
The HT150 professional amp is designed utilizing Carvin’s 33
years of experience in power amp technology. It meets and
exceeds every standard for professional amplification. The thick
brushed anodized aluminum face plate, large recessed knobs and
heavy-duty steel chassis reflect the manufacturing quality within.
The HT150 “High Energy Transfer” amp carrys the CE approval
for world-wide use.
PURE—TRANSPARENT SOUND
Carvin considers the sound of an amp equally important as its reliability. To insure pure, uncolored sound, we designed one of the fastest
responding power amps on the market today. High slew rates 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 HT150 amp delivers flat, transparent, unaltered
sound—especially important to the studio user . 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 aluminumthat is
light-weight and prevents rust. All internal cabling is neatly tied and
harnessed. Neutrik™ XLR connectors, heavy-duty power switches,
recessed knobs & machined aluminum front panels all give the HT
amps a “tank-like” ability to handle rough, touring transport.
TOTALLY MODULAR
With the HT150, 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 de-solder anything. This applies to every aspect of
the HT150 amp including the power supply, power cards, heat sinks
and fans. Everything is connected by heavy-duty connectors for easy
replacement—even the Toroid transformer is a total plug-in.
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 extra amounts of “on demand” current for continuous
operation. This gives the power supply a solid foundation, yielding more
headroom. 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.
HT150 POWER AMP SPECIFICATIONS:
Output Power
(BRIDGE MONO)
8Ω, 1kHz, < 1% THD 150 Watts
Minimum Impedance (Bridged) 4 ohms
(Stereo, both channels driven)
8Ω, 1kHz, < 0.5% THD 60/60 Watts
4Ω, 1kHz, < 0.5% THD 75/75 Watts
Minimum Impedance 4 ohms per channel
THD
20-20kHz < 0.1%
(8Ω typical) < 0.05%
Frequency Response ±0.5 dB, 20 Hz to 20 kHz
Input Impedance > 20kΩ Balanced or Unbalanced
Damping Factor >400
Sensitivity (@ 4Ω) 1.0 Vrms
Output Noise -102 dBm
Power Consumption 120V—200 VA
230V—200 VA
Dimensions 1 3/4” High x 19” Wide x 10” Deep
Weight (Net) 9lbs.
76-20300 497
12340 World Trade Drive, San Diego, CA 92128
(619) 487-1600 (800) 854-2235
www.carvin.com
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 PACKING 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.
HT150 POWER AMP
FRONT PANELS & CONNECTING UP
The HT150 features 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 EQ expand switch offers “loudness compinsation” by adding additional
bass and treble to improve your sound, especially at lower levels. Balanced
1/4 phone & XLR input jacks are used to eliminate hum & noise. Speaker
outputs feature 1/4” jacks & heavy-duty binding posts that accept up to
50 amp #7 speaker wires. A bridge mode switch allows the HT150 to deliver
its full power into one speaker.
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