Vintage General Electric UPX-003B Tube Phono And Microphone Preamplifier 6SC7 4W.With box.Mono. Very Good overall condition.
The UPX-003B preamp was designed to be used with G-E variable reluctance cartridges.
Sufficient gain is provided to operate the cartridge with a standard radio receiver or audio amplifier.
Equalization in the preamplifier itself provides bass boost to confirm with the RIAA record industry standard.
While intended primarily for use with G-E cartridges, the preamplifier may be used with any magnetic cartridge having a peak output up to 50 millivolts.
The unit is completely self-contained and ready to operate when connected to a power source.
Height: 3 3/4″
Dimensions: 3 5/8 x 3 5/8 x 1 1/4 inches
Weight: 1 1/4lbs
Finish: zinc plate with lustre protecting treatment
Rating: 105-125V AC 50/60 Hz
Tube: type 6SC7
Rectifier: selenium type
1 in stock
General Electric UPX-003B Tube Phono And Microphone Preamplifier