Variable from an AM radio, probably the late 1920s. It is 3-1/4" x 3 1/4" x 2 1/4" H, with the original knob. The plates are close spaced, so it probably exceeds 500 pF. It could use a good cleaning.

 

THIS UNIT IS FULLY FUNCTIONAL IT IS ONE THAT HAS BEEN SITTING ON MY “TO BE REPAIRED SHELVES” FOR SO LONG THAT I COULDN’T REMEMBER WHERE I LEFT OFF WITH IT. THE SHORT STORY IS THAT THE PARTS I HA

 

I am guessing this is an audio amplifier but I am not sure. Condition unknown. Comes with no documentation. Item is very heavy so shipping cost (paid by buyer) will be high. I can deliver it free with

 

Old Weston volt meter in good working condition.

 

tomcyber store This is a set of 4 Telefunken 12AT7 ECC81 tubes that were made in West Germany. All were just tested on a calibrated TV-7D/U tube tester. All have a diamond on the bottom. The 12AT7 sho

 

MAGNECORDER PY-6 3 TUBE PREAMPLIFIER GE 12AX7, RCA BLACK PLATE 12AU7, TUNG-SOL 6X4 DOUBLE DIN MOUNTING FROM RETIRED RECORDING ENGINEERS STUDIO HAS NOT BEEN USED IN A FEW YEARS AND NEEDS NEW AC CORD BU

 

Western Electric 216A Vintage Tube Tennis Ball Type, Display Only Description This tube is being sold as “Display Only” as the tip on the top of the ball has been broken off. Otherwise, the tube l

 

Up for bids is a quad of Tung-Sol 5U4GB tubes. These tubes have black plates and three tubes have dual top halo getters and one tube has dual top D getters. Date codes are 6312, RD3, RB3, HD3. Tubes w

 

2 New ClosedMatched Telefunken EC8020 NOS For sale are two new and unused tubes Telefunken EC8020 with gold pins and diamond on the glass bottom in box. Same production code: „U 100130 S“= Ulm at

 

Vintage Sony PS-T22 direct drive turntable. Works beautifully. Sounds great. Dust cover is scratched and one hinge is broken, won't stay up. Sony logo missing from front. See pictures. Includes Azden