Here is a pair of used Mullard large base GZ34 5AR4 tubes. Both tubes have the locator pin broken and missing so please bid accordingly.They test good on my B&K 707 tube tester with no gas or shor

 

Double Button Carbon Microphone 1920's , 9 " tall , ring 5-1/4 " diameter, mic element 3"diameter ,2-1/2 " wide , this element is huge ,but is has seen better day's mic is offered as is ,untested ,it

 

This auction is for a new old stock pair of RCA 5U4 GT. These tubes are branded Motorola but are definitely RCA made tubes. Matched date codes of "64-09 274" (made in the 9th week of 1964 by RCA). Top

 

Up for auction is this Heathkit model A-7 mono amplifier. This item came from a large estate sale and the working condition is unknown. I did a power on test and all tubes warmed up normally. Units' s

 

I am retired now and must sell of my vintage stereo equipment. For sale: a very nice mid-1970's Kenwood KA-6006. The unit is in good condition with small scratches on the wood cabinet and the face. Ev

 

Original AZ12 rectifier tube. Made by VALVO in the 1930s/40s. Same quality like Telefunken . BLACK MESH. Made in WWII (in the 47th week of 1941) for German military (WEHRMACHT). With MILITARY MARKS. W

 

UP FOR BID IS A TUBE AMPLIFIER. ITEM IS NOT MARKED. ITEM HAS LINE CORD INTACT, BUT IS UNTESTED. TUBES SHOWN IN PHOTOS ARE INCLUDED. (GENERAL ELECTRIC 12AX7 INCLUDED) PLEASE SEE ALL PHOTOS. ITEM SOLD A

 

For sale : 2 x Telefunken EF86 / E80F Perfect set NEW Made in Germany - O - getter Real perfect balanced sections, Tested 100% This is the very best sounding and longlife EF86 ever made Production cod

 

Bose 301 Series IV Right Speaker Single. Tested with receiver -- working. Minor scuffs and scratches, some edge wear, would benefit from cleaning. Please see photos for additional details and feel fre

 

Tested, working A/D/S tweeter # 206-0116. Very good cosmetic condition. Includes mounting screws and insulator backing.