here is a rare Marantz Quad 4140 amp in excellent condition. All lights/meters are in in good working order. Amp plays fine, nice and loud on all inputs. I was using the 70x2 mode and its more than en

 

This Catalog from "THE MILTON ROSS COMPANY" is a Transipads catalog, from 1967. At the time (1967) Milton Ross where the innovators in there field. If they only knew then, what we know now about the e

 

As described in condition. I will not sell this item outside the continental United States. Please do not ask me to.

 

Sencore Mighty Might VII tube tester. Found at garage sale. Outer case shows signs of corrosion. Inside looks fair however. I did plug it in and it lights up. But I am selling it as-untested/parts onl

 

This auction is for a single Telefunken E88CC audio double triode tube . It is new and unused tube,with diamond mark ( <> ) between pins and in original retail box. It was tested on Hickok TV-3B

 

Your bidding on a Premier 76 amp Circa 1950's this amp is in excellent condition for it's age. Had my amp guy go through the entire amp and add a ground plug as well as change all of the caps, I have

 

For your consideration is a Crown OC 150 output controller. This unit is in excellent condition, every channel and amp input works perfectly. Some of the buttons stick upon depressing, but that is to

 

Vintage Quad 44 Control Unit Preamp Original Quad 44 "control unit" (preamp), circa 1970s. It powers on and operates, but with a loud hum in the left channel. Otherwise in good working condition, very

 

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

 

Hewlett-Packard 82087A AC Power Adapter Hewlett-Packard 82087A AC Power Adapter for HP 31C, HP 33C, and HP 34C. 90-120V, 50-60Hz, 1.8 VA Max, 10V AC Condition: Very good used condition. Because my ite