1 | 2 | 3 | 4 | 5 | 4 |
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| right | right |
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| rec out 1 | rec out 2 |
right balanced | right balanced | right balanced |
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main out | input 1 | input 2 |
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| PUSH | PUSH | right | right |
| right main out |
| input 3 | input 4 |
c o m m u n i c a t i o n p o r t s | ||
slave | external | master |
right | right | left |
| left |
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input 5 | input 6 | input | 6 | input | 5 |
left | left |
rec out 2 | rec out 1 |
left | left |
input 4 | input 3 |
PREAMPLIFIER Nº38 |
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designed and manufactured in U . S . A . |
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by MADRIGAL | S/N |
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left balanced | left balanced |
| left balanced |
input 2 | input 1 |
| main out |
PUSH | PUSH |
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| left main out |
PRECAUTION
67 | 7 | 6 | 3 | 2 | 1 |
Rear panel
Disconnect all associated equipment from the AC mains BEFORE making any signal connections and applying power to the Nº38.
Note: All
1BALANCED MAIN OUTPUTS
If your power amplifier is equipped with balanced (sometimes called “differential”) inputs, it is best to use these balanced outputs on your Nº38. A balanced signal from preamplifier to power amplifier will offer the highest possible performance with the best immunity from
The pin assignments of these
Pin 1: Signal ground
1 2 Pin 2: Signal +
3Pin 3: Signal – (inverting)
Connector ground lug: chassis ground
Refer to your power amplifier’s operating manual to verify that the pin assignments of its input connectors correspond to the Nº38. If not, wire the cable so that the appropriate output pin connects to the equivalent input pin.
Connect the
12