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For the price of 20 1% resistors and a plug, with no power supply needed
you can make a D/A converter.
You need one plug for your amp, one for your parallel port and 9 20k and 9
10K resistors Use 1% resistors if possible ? and 20k sound much better than
22k.
Printer Port:
signal pin 20k 20k
D0 2 >??????????????0v
20k ? 10k
D1 3 >????????
20k ? 10k
D2 4 >????????
20k ? 10k
D3 5 >????????
20k ? 10k
D4 6 >????????
20k ? 10k
D5 7 >????????
20k ? 10k
D6 8 >????????
20k ? 10k
D7 9 >????????
20k ? 10k 100 MFD
?????????????> TO AMPLIFIER
? 10k
GND 20 >????????????????????>
0v
This circuit was included in an Amiga mod file player package by Mark J.
Cox. He acknowledges Harry Stox for the circuit. I have tested it and found it
to be pure gold.
The Researcher_P80
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