UP FOR AUCTION IS A VERY UNIQUE AND INTERESTING LOT OF NATIONAL RADIO INSTITUTE (WASHINGTON D.C.) MANUALS AND MEMORABILIA. FROM 1951 THE LOT INCLUDES A COMPLETE BINDER CONTAINING CORRESPONDANCE BETWEE

 

This auction is for a new old stock 6FG6/EM84 "Eye Tube". Made in Great Britain by Mullard, branded Sylvania. It tests great, nice and bright. This tube is in excellent condition. This auction is for

 

Matched Pair of NOS Zenith 6JB6A New in box Vacuum Tubes, Perfect condition, minor wear on boxes, tested and working, sold as is, feel free to contact me with any questions, Thanks!

 

howudoin60 Store USED STANCOR PC8404 POWER TRANSFORMER. RATED FOR 260-0-260V @ 90mA ALSO HAS FILAMENT LEGS OF 6.3VCT@3A @ 5VCT@2A 100% TESTED & GUARANTEED WORKING CONDITION. THIS UNIT CAN BE COMBI

 

Very unusual. Micro Seiki one inch (25mm) universal tonearm extention, Just plug it in series with your tonearm/headshell. I know I've had it since 1978 unused came to extend a micro seiki tonearm. Al

 

Here are 5 NOS JAN Philips grey plate 5814 that are similar to 12AU7 tubes. They test as new on my B&K 707 tube tester with no gas or shorts..Due to past experiences with buyers plugging new tubes

 

For sale is a Nakamichi 410 preamplifier. It works fine. I've been using it for a few months now, but I'm going in a different direction now. It has a great phono section, and well thought out control

 

800x600 1 perfectly matched pair Georg Neumann BV33 Moving-coil inputtransformers made in 1970’s Serialnumbers: 151 + 152 Ratio: 1:20 Permalloy core + permalloy double-shielding Source-impedance: 3

 

Up for bid I have 7 tubes from a Radiola 33, they are 5-#26, 1-#27, 1-#80. This will be sold in the U.S. and shipped USPS

 

For your consideration I have (5) vintage 27 ST vacuum tubes, 4 are National Union 1 is Kenrad. The Kenrad tested 1300/1000, the other four National Unions tested 1500/1000(2), one tested 1600/1000, a