diyAudio Forums Archive > Top > Other Stuff > Electronics and Parts How can I connect a frequency generator (BNC) to an amp (RCA) ? - Click HERE for Original Thread Bricolo I want to test my gainclone, but there's a small problem: the gainclone has RCA inputs, and the frequency generator has a BNC output, and uses coaxial cable. For sure, I'll have to build (or buy) a BNC->RCA adapter. But what should I put in it? Only 2 plugs, nothing more? Or terminate the coax line with a 50R resistor from live to ground? Alex jwb It doesn't matter at audio frequencies. Just use the converter. tiroth Many surplus shops sell such converters: http://www.allelectronics.com/cgi-b...-RCA&type=store I would not worry about termination; test your amp with the termination you expect to use in the real world. (i.e. 10k/20k etc, not 50 ohms!) Pjotr Hi Bricolo, From many hi-fi shops there are also 75 coax cables available with a RCA cinch at one side and a BNC at the other side. These are intended to connect (home) video equipment together. Such a cable serves me pretty well for the same purpose as you have. Cheers ;)

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