Nice but low power (10 watts) GE 1950's program amplifiers attract big bids
http://www.ebay.com/itm/GE-tube-prea...item20bd15a964
Says made by ADC for GE on side: Better transformers than RCA BA-24C ?
http://www.waltzingbear.com/Schematics/RCA/BA-24A.htm
Based on RCA version ? which sounded good