GENERAL ELECTRIC MONO PREAMPLIFIER PAIR 5692/6SN7 5693/6SJ7. It may be good for microphone or reel to reel use. In this case the sale for not working or for parts only.
GENERAL ELECTRIC MONO PREAMPLIFIER PAIR 5692/6SN7 5693/6SJ7. It may be good for microphone or reel to reel use. In this case the sale for not working or for parts only.