1 vintage double rectifier tube GZ34, labeled Valvo, made from Mullard / Blackburn, Great Britain Acid code in glass: f32 / B8D1 Test on German tube tester Funke W19 with strong results: 110 / 110 mA

 

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Marantz Model 4270 2+ Quadradial 4 Stereo Receiver Look at pictures for details and condition of the item Tested and Working Good Clean Sound Message me for international shipping

 

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

 

You are bidding on two 10" TDK metal reels. They were found at an estate sale of a clean, smoke free environment. The reels are in very good condition and the boxes they are in are in good condition a

 

Sounds a little fuzzy when played maybe a tube needs replaced??? Not sure .... Measures approx 12 1/4" x 10 3/8" x 6 1/4" needle intact handle is broken leather Posted with eBay Mobile

 

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

 

Hello Ebayers, you are looking at and bidding on a used but tested Excellent RCA 5692 vacuum tube , this tube is very rare and is even more rare being a RCA . This tube checks excellent on our Seco tu

 

You are looking at an excellent strong matched pair of prized Telefunken Germany ECC803S gold pin, halo getter tubes with twin getter supports. The photos are three of the pair and then three each of

 

HAL ST-5000 RTTY CW does power up no other test sold as is due to the mods on front panel