This time UNFINDABLE, EXTREMLY RARE POWER OUTPUT AUDIO TRIODE P450 ZENITH (Italy Monza) MONOPLATE , practically the monplate (same structure) 2A3 but with English pinout base B4 (like PX4) and heater

 

Stereo amplifier. 10 watts per channel. In great condition! Manufactured from 1973-1975. "B" speaker line only works on left channel. Besides that it is in perfect working and cosmetic shape.

 

Up for auction is a used, Very Nice Vintage Magnavox 196AA 6BQ5 Stereo Tube Amp Amplifier. The amplifier was working when it was removed from the console. The tubes were tested on a Heathkit IT-21 Tub

 

Emerson Wondergram Phonograph Items came from a collection the owner acquired over the years. They are sold AS IS. Bid Accordingly. Emerson Wondergram Phonograph. Works. Sold As is, with no implied wa

 

These are a nice used tested good matched pair of Amperex made XF4 and XF5 version of the popular EL34 type tubes. These are 1961 and 1962 date coded, one being made for GE and the other is blank. Bot

 

Nice ACROSOUND 20-20 tube amplifier ULTRA-LINEAR POWER TUBE AMP Nice Rare and very Desirable Acrosound 20-20 stereo amplifier featuring Mullard EL84 outputs I have enjoyed this amp for years Features

 

6d 12-PCS lot Capacitor 0.47uf 1kV 1000V MKP We accept PAYPAL only. WE SHIP AS IS, NO RETURNS. We ship US Postal Service anywhere in the United States for $6.00 flat shipping and handling fee. COMBINE

 

First off; before I get into tube detail I want to describe how my tubes are tested. I test all my tubes with a state of the art tube tester which is a computerized Western Electric - Hickok KS-15874-

 

Set of four Ruby 12AX7AC5 tubes, brand new and in white boxes. These tubes are all factory tested and part of a fresh OEM bulk lot. You can buy with confidence that these tubes will not be microphonic

 

HP 82104A Card Reader for HP 41 C CV & CX Calculators - Excellent - RebuiltThis is USED CARD-READER (HP 82104A), for the HP-41C, CV & CX calculators, it has been rebuilt & is in excellent