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RE: Need help connecting Beyerdynamic A20 to NAD C326BEE

Posted by John Elison (A) on January 8, 2018 at 08:15:40

In Reply to: Need help connecting Beyerdynamic A20 to NAD C326BEE posted by wbt0927 on January 6, 2018 at 17:41:32:

Your NAD has a weird tape output. It's unbuffered and has a 1k-ohm series resistor between the source and whatever is connected to the tape output. It's basically worthless for connecting a headphone amplifier unless you short out the series 1k-ohm resistor. That's what I would do, but I'm an electronic technician.

Your best bet would be to use the quarter-inch headphone jack on the front panel. You can either drive your headphones directly or you can connect your headphone amplifier using an adapter cable with a quarter-inch headphone plug on one end and RCA plugs on the other.

Your only other option would be to use the main preamp outputs. Connect them to the inputs on your headphone amplifier and use its parallel output sockets to connect a power amplifier if required. That's probably why Beyerdynamic installed both input and output sockets on your headphone amplifier.

Good luck,
John Elison

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