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JJ 2a3-40 Near New Pair

$85
I used these in my Serious Stereo amps, which I believe they now come with. This was a back up pair and has less than 100 hours..Fantastic tubes.. Shipping will be $20 to the ConUS..Buyer covers Paypa...
Condition: 8/10
Posted: 1 day ago
US Audio Mart
#TubesUSA

3 RCA Command 6136, 4 x 6au6 Amperex, 2 x Mullard EF94/6au6, RCA 6au6a, 13 other 6au6, 2 x Master 10

$130
25 total 6au6 tubes all from a Audio Engineer friend of mine. As you can tell from the title there are a few different companies in this lot. I do not have the time to test them so please understand. ...
Posted: 2 days ago
US Audio Mart
#TubesUSA

12BZ7 x 4 tubes and 12BZ7A x 1 all used

$35
There 5 tubes total in this ad. 4 12BZ7's and 1 12BZ7A all used.These came from the same Audio Engineer that ran his own recording studio. They are used but I just do not have the time to test them bu...
Posted: 2 days ago
US Audio Mart
#TubesUSA

Vintage RCA 2A3 Blackplates with double D getters USN code S6

$350
I'm the second owner purchased from the original owner on Canuck Audio Mart. He tested them and matched them Below is the original ad...
Posted: 2 days ago
US Audio Mart
#TubesUSA

JJ 2A3-40 matched Pair Tubes

$150
These were purchased new by me from Eurotubes about a year ago....
Condition: 10/10
Posted: 2 days ago
US Audio Mart
#TubesUSA

6CG7 tubes with 3 different plates (17 total)

$100
I don't have the time to test them but they were sent to me by a Studio Engineer. They all were working but you know how shipping tubes can be. I have a tube tester but again I have so many more to pu...
Posted: 3 days ago
US Audio Mart
#TubesUSA

NOS RCA Grey Bottle 6SN7GT

$50
New $300
NOS MIL-SPEC RCA 6SN7GT, Grey Bottle. Cartons dated October 1955. Same date codes on all 7 tubes, all test good. $50.00 apiece, $300.00 for the lot....
Posted: 3 days ago
US Audio Mart
#TubesUSA

Super rare Pair of original Genalex Gold Lion B759 12AX7 Tubes

$2000
The one and only! Super rare Original Genalex Gold Lion B759. A pair on Ebay recently sold for $2700.00!!...
Condition: 9/10
Posted: 3 days ago
US Audio Mart
#TubesUSA

Super rare Mazda 5751 Triple Mica Silver Plate Matched pair in excellent condition

$300
I have for sale 2 x 5751 12AX7 tubes. Chrome plates, excellent tubes These are the rare and sought after Mazda 5 star, triple mica versions. They both have the same VI-8 code. Double post support gett...
Condition: 9/10
Posted: 3 days ago
US Audio Mart
#TubesUSA

5751WA Triple Mica Black Plate

$75
NOS Sylvania JHS 5751WA Triple Mica Black Plate - The Holy Grail. Tested/Good...
Posted: 3 days ago
US Audio Mart
#TubesUSA

Visseaux 76 - Extremely Rare - Best Sounding 76 -Matched pairs

$100
The Visseaux type 76 tube is the best sounding 76 tube I have found, and probably the rarest. I bought a pair of Visseaux 76s from an audiophile in Israel about 2000. He wanted $100 for a pair and sai...
Condition: 8/10
Posted: 4 days ago
Audio Asylum Trader
#TubesUSA

4 Used Platinum Matched Tung Sol KT120's Output Tubes

$85
Purchased brand new as a factory platinum matched set of 4 KT120 Output Tubes...
Condition: 7/10
Posted: 4 days ago
US Audio Mart
#TubesUSA

1 Pair of used 1960 RCA long plate 12AU7's

$30
1 pair of used RCA long plate 12AU7's with 1960 date codes. Tested with results as shown....
Condition: 7/10
Posted: 4 days ago
US Audio Mart
#TubesUSA

6 NOS Westinghouse Branded Tesla ECC88

$25
New $100
6 ea. ECC88 (6DJ8 - type) Made in Czechoslovakia by Tesla - Westinghouse branded. NOS/Test Good. Markings in variable shape but otherwise in fine condition. $25.00 apiece, $100.00 for the lot....
Posted: 4 days ago
US Audio Mart
#TubesUSA

12 Amperex PQ & USN CEP 6922's, US Made, Gold Pins, Used/Tested

$90
New $1,000
US made Amperex 6922, PQ & USN CEP 6922's, Used/Test Good. Markings in variable shape (chalky print) but otherwise in fine condition. $90.00 apiece, $1000.00 for the lot....
Posted: 5 days ago
US Audio Mart
#TubesUSA

6H13 & 6N13P / 6AS7 Tubes quanity of (14)

$150
For sale is (5) 6H13/ 6AS7 Sovteck Russian tubes and (9) 6N13P /6AS7 Shuguang tubes for a total of (14) 6AS7 tubes. These were purchased new a year ago and have very little hours on them....
Condition: 8/10
Posted: 6 days ago
US Audio Mart
#TubesUSA

Audio Experience Concerto Plus phono stage. Factory China tubes installed

$200
Audio Experience Concerto Plus phono stage....
Posted: 7 days ago
US Audio Mart
#PhonoUSA

Authentic Telefunken Triple Mica EY500A NOS Pair

$150
For sale is a pair of incredibly rare triple mica version Telefunken EY500A rectifier tubes. These have matching telefunken date codes and the telefunken diamond on the bottom....
Posted: 8 days ago
US Audio Mart
#TubesUSA

NOS 6C33C-B tubes pair

$90
NOS pair of 6c33c-b tubes w/ original boxes...
Condition: 10/10
Posted: 8 days ago
US Audio Mart
#TubesUSA

RCA 12ax7 Black Plate Vacuum Tubes 17mm Pair

$85
Purchased for my Primaluna Prologue Four amp and performed exceptionally well. Both are in great shape with plenty of life left in them. No longer need them so they must go to a new home/amp....
Condition: 9/10
Posted: 9 days ago
US Audio Mart
#TubesUSA

Quad TungSol KT 120

$100
Re-list ( May 30th ) : I have a ' lightly used ' ( 50 -60 hours ) Quad of Jim McShane TungSol KT120's ....
Condition: 9/10
Posted: 9 days ago
US Audio Mart
#Quad #TubesUSA

Matched Pair Siemens 6DJ8 ECC88 Tubes

$60
Three pairs available, all from the same source. Siemens lettering mostly worn off, but can see Made in Germany on a number of the tubes. All tubes have the Philips code for manufacture in the Munich,...
Condition: 8/10
Posted: 9 days ago
US Audio Mart
#TubesUSA

Lafayette LA310/KT310 tube amp with Amperex and Mullard tubes

$550
Lafayette LA310/KT310 tube power amp in nice, working condition. Serviced with can cap, input coupling caps, interstage caps and power supply caps have all been replaced, as has the rectifier. Power t...
Condition: 7/10
Posted: 9 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

RCA 6SN7 Vintage 1950's Tubes

$120
For Sale is a Vintage quad set of RCA 6SN7 tubes that when purchased last year were listed as, 'tested strong almost new' I have not used them. These tubes were from an era when vacuum tubes powered m...
Condition: 8/10
Posted: 10 days ago
Audio Asylum Trader
#TubesUSA

OTL integrated. High quality tubes. A lot of amp for the money

$550
Here's an custom OTL amplifier that I took in trade....
Condition: 8/10
Posted: 10 days ago
US Audio Mart
#TubeUSA

Music Reference RM-200 MK 1 with extra tubes

$2200
New $4,500
For Sale> Music Reference RM200 MK1 amp with extras. This amp is in very nice condition. Only minor scratches/swirls on top of chrome transformer cover. Wood cabinet I say looks like new. Included wit...
Condition: 7/10
Posted: 10 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

GE 5751 TMBP Matched pair

$95
GE 5751 Triple Mica Black Plate, this is a matched pair. No leaks, shorts, gas, or microphony.This pair measure good.No original boxes, will pack securely.Price includes shipping and PayPal in the low...
Condition: 8/10
Posted: 11 days ago
Audio Asylum Trader
#TubesUSA

Vintage RCA 1950's 6SN7 Tubes (4)

$120
For Sale is a Vintage quad set of RCA 6SN7 tubes that when purchased last year were listed as, 'tested strong almost new' I have not used them....
Posted: 11 days ago
US Audio Mart
#TubesUSA

GE 5AR4 tube pairs

$99
General Electric 5AR4 tubes (pair) - $99One pair of General Electric 5AR4 tubes that were lightly used.I don't know the actual hours of use but these were used as backups.Selling for $99 a pair which ...
Condition: 6/10
Posted: 12 days ago
Audio Asylum Trader
#TubesUSA

Shuguang 6AS7G / 6SN5PJ - 16 Tubes NOS

$160
The Shuguang 6AS7G / 6SN5PJ output tubes was recommended to me by Ralph Karsten for replacement output tubes for my Atma-Sphere M-60 3.3 amps....
Condition: 10/10
Posted: 12 days ago
US Audio Mart
#TubesUSA

Eico HF-81 Completely Rebuilt Stereo Tube Amplifier - NOS Mullard & Bugle Boyn Tubes

$1395
This is an Eico HF-81 stereo tube integrated amplifier in excellent working and cosmetic condition. This Eico HF-81 was completely professionally restored by vintagevacuumaudio (featured in Stereophil...
Posted: 12 days ago
US Audio Mart
#IntegratedUSA
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