TABLE OF CONTENTS |
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MX1500 Specifications....................................................................................................................... |
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3 |
MX1500 Printed Circlrit Layotit & Parts List ....................................................................................... |
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4 |
h4X2500 Component Plac6merit........................................................................................................... |
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5 |
MX 1500 Ckaiinel Module Assembly Details....................................................................................... |
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MX 1500 Schematic ............................................................................................................................ |
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7 |
MX1500 Primary Wiring Information ........................................................................................... |
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MX1500 Chassis Disassembly ............................................................................................................ |
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9 |
MX2000 Specifications..................................................................................................................... |
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10 |
MX2000 Compot~entPlacement.......................................................................................................... |
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11 |
MX2000 Schematic ............................................................................................................................ |
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12 |
MX2000 Pri~i~aryWiring Information ............................................................................................... |
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13 |
MX 1500 AMPLIFIER CIRCUIT DESCRIPTION ............................................................................ |
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14 |
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MX'I500 & MX2000 CIRCUIT DESCRIPTION ............................................................................... |
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14 |
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Power Supply ...................................................................................................................... |
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14 |
Complementary Output Tralsistors ....................................................................................... |
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15 |
Complemerttary Driver Transistors, Crossover Bias, and |
HighILors~ .iver circuit................. |
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Balanced Illput Circuit. Gain Col~trol,and Frequency Limits.............. ................................... |
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Amplifier Feedback Network, Gain Stage, Distortion LED, atld S11o: ':lircuit Protection ....... |
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Output Protection and Signal Readout Circuits ...................................................................... |
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18 |
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Input/O~ltputConi~ections.................................................................................................... |
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19 |
TROUBLESHOOT1NG THE MX 1500/MX2000 A MPLIFTER .......................................................... |
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20 |
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Excessive Current Draw ...................................................................................................... |
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Signal Amplification Problems ............................................................................................ |
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20 |
Poor Freqi~ei~cyResponse ..................................................................................................... |
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21 |
Gain Wrong .......................................................................................................................... |
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22 |
Incorrect Short Circrrit Current Litnits |
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22 |
D.C. Fault Without Current Draw........................................................................................ |
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22 |
Protection Circuit Troubleshooting....................................................................................... |
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22 |
Relay Won't Come On......................................................................................................... |
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23 |
No Red "Protect" LED ........................ |
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No M~ltingDelay.................................................................................................................... |
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23 |
Excess Muting Delay.............................................................................................................. |
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23 |
No Tliennal Sliutoff ............................................................................................................... |
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23 |
No DC Protect ....................................................................................................................... |
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23 |
Relay F a ~ ~ lWiths Nor~nallyOperating Amplifier ......................... |
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MX15QQSpecifications
OUTPUT POWER (per channel):
Continuous Average Output Power both channels driven.
8 ohms, 20 - 2OkHz |
0.1% |
THD 330 |
8 ohms, IkHz |
1% |
THD360 |
4 ohms, 20 - 20khz |
0.1% |
THD 500 |
4 ohms, IkHz |
1% |
THD570 |
2 ohms, IkHz |
1% |
THD 750+/-IdB |
BRIDGED MONO OPERATION: |
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16ohms,20-2OkHz |
0.1% |
THD660 |
16 ohms, IkHz |
1% |
THD720 |
8 ohms, 20 - 2OkHz |
0.1% |
THD 1000 |
8 ohms, IkHz |
1% |
THD1100 |
4 ohms, IkHz |
1% |
THD 1500+/-IdB |
DISTORTION (8 ohms):
THD, 20-20kHz, from 250milliwatts to rated power, less that 0.1%, 0.015% typical. SMPTE-IMD, less than 0.02%, 250 milliwatts to rated power.
FREQUENCY RESPONSE: 20-ZOkHz, +/-0.1dB. 8-300kHz, +0/-3 dB. DAMPING FACTOR: Greater than 200.
SLEW RATE: 20V per microsecond.
DYNAMIC HEADROOM: 3dB or 1000 watts instantaneous power @ 4 ohms. NOISE: -1OOdB, 20-20kHZ.
SENSITIVITY: 1V RMS for rated power (8 ohms). INPUT IMPEDANCE: 10k unbalanced , 20k balanced.
DIMENSIONS: 3 5" tall (2 r a ~ spaces),k 19" wide, 17 9" deep WEIGHT: 471bs net, 52 Ibs shipping
MX1500 Component Placement
NIX1500 Channel Module Assembly Dr ails
MX1500 Schematic
MX1500 Primary Wiring Information
MX2000 Specifications
OUTPUT POWER (per channel):
Continuous Average Output Power both channels driven.
8 ohms, 20 - 20kHz |
0.1% |
THD 375 |
8 ohms, ?kHz |
1% |
THD425 |
4 ohms, 20 - 20kHz |
0.1% |
THD 600 |
4 ohms, 1kHz |
1% |
THD725 |
2 ohms, IkHz |
1% |
THD 1000 +I- I d B |
BRIDGED MONO OPERATION: |
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16 ohms, 20 - 2OkHz |
0.1% |
THD 750 |
8 ohms, 20 - 20kHz |
0.1% |
THD 1200 |
4 ohms, IkHz |
1% |
THD 2000 +I- I d B |
DISTORTION (8 ohms):
THD, 20-20kHz, at rated power, less that 0.1%. SMPTE-IMD, less than 0.025% at rated power.
FREQUENCY RESPONSE: 20-20kHz, +I-0.1dB. 8-300kHz, +0/-3 dB. DAMPING FACTOR: Greater than 200.
SLEW RATE: 20V per microsecond.
DYNAMIC HEADROOM: 2dB at 4 ohms.
NOISE: -1OOdB, 20-20kHZ at rated power. SENSITIVITY: 1.07V RMS for rated power (8 ohms). INPUT IMPEDANCE: 10k unbalanced , 20k balanced.
DIMENSIONS: 5.25" tall (2 rack spaces), 19" wide, 1'7.9"deep. WEIGHT: 701bs net, 76 Ibs shipping.
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