You are bidding on a pair of Vintage National Union Radio Vacuum Tube. Part # stamped 5U4 G on glass Stamped 52-35 on base Tube looks great - although I an unable to test. Has masking tape with writin

 

This Brandes head set is made in U.S.A.. It was tested on a Heathkit VTVM at 10 K ohm. No further testing has been done They are sold with no guarantees and as is due to age. International buyers are

 

A pair of RARE Siemens Klangfilm 4" AlNiCo tweeters. Very early version of this kind of speakers! Made in Germany in early 1950s. PROFESSIONAL audio quality. Diameter is 4", Impedance 6 Ohms each. Wit

 

up for auction is A Vintage Swan 1200-X Tube Amp.. with 8950 tubes in it. appears to be all original, all tubes light up when plugged in. including backlight of display. was told it worked about 2 yea

 

Set of four NOS Ei 12AX7 ECC83 tubes. NOTE these tubes are from the original Ei plant which was destroyed during the war. These original tubes with smooth plates and pinched bases are VERY rare and ha

 

You are bidding on a DYNACO PAT-4A stereo preamplifier. All I know is that this unit powers on, that's all i know . It belonged to my late father-in-law, who was a sound engineer. I think the mark on

 

UP FOR AUCTION: (ONE SINGLE) Klipsch Heresy Type (HWL) 143X549 Vintage Loud Speaker. GENERAL CONDITION: PRE-OWNED. WORKING CONDITION: GOOD. COSMETIC CONDITION: ACCEPTABLE WITH SCRATCHES.THIS AUCTION O

 

Vintage Sankyo flip clock, early digital. This clock is in excellent working condition with only some light dust in nooks and crannies. The only real issue with this clock is that the numbers do glow

 

Shipping price to EU countries: 7 usd (priority registered shipping). Other countries: 10 usd (priority registered shipping). INSURANCE possible to most countries for 6usd (please ask). The real shipp

 

Lot of (33) good used 6BQ7/A and 6BZ7 vacuum tubes. Almost all are mainstream American brands (GE, RCA, Sylvania, etc.), with a couple of Japanese ones thrown in. All have been tested on a Hickok 6000