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Lorenz Stuttgard Pcc88 The Holy Grail.

$200
Those privy to the sound of the Lorenz Stuttgard produced Pcc88 from the early 60's will surely aggree there is no finer example in the family. The Stuttgard production possess the same top to bottom ...
Condition: 9/10
Posted: 1 day ago
Audio Asylum Trader
#TubesUSA

1950's RCA 12ax7's black plates The 'Best of the Best'

$90
A great opportunity here to acquire some of the rarest & most sought after 12ax7's ever manufactured. Long considered the Best of the Best & the holy grail of the American made 12ax7's. I am not going...
Condition: 9/10
Posted: 1 day ago
Audio Asylum Trader
#TubesUSA

6C33C-B original MIG fighter tubes! NOS (never been used!!!!) 66% off retail

$50
New $149
I have 10 left from almost 200 6C33C-B tubes that are 'new' bought from Parts Connextion, in their original Parts Connextion boxes. Parts Connextion sells these at $149 each! I no longer use this tube...
Condition: 10/10
Posted: 1 day ago
Audio Asylum Trader
#TubesUSA

GE 5751 Triple MIca Black Plate Mil Spec 12AX7 Tubes from the 1950s

$200
I am selling a few of these fine tubes from my personal collection....
Posted: 1 day ago
US Audio Mart
#TubesUSA

Amperex Bugle Boy 6dj8 Matched quad Holland

$80
Here is a very tightly matched quad of Amperex bugle boy 6dj8's, made in Holland. Marking are pretty nice. These test very strong. I used them for a few days and they were replaced by 6922's that work...
Posted: 2 days ago
Audio Asylum Trader
#Quad #TubesUSA

National Union NX-245 Globes!!!

$150
Here is an extremely matched pair of NX-245 globes w/etched bases. I bought these as a matched pair for my 45 amp. I bought them matched and testing strong. I used them for about 2 months. They still ...
Posted: 2 days ago
Audio Asylum Trader
#TubesUSA

Amperex USA PQ 6922 gold pin Very tightly matched quad

$150
This is a very tightly matched matched quad of Amperex USA gold pin PQ. They all test better than NOS. The markings are very good. These tubes sounded wonderful pre that I just sold. I guarantee these...
Posted: 2 days ago
Audio Asylum Trader
#Quad #TubesUSA

Shuguang Black Treasure CV181 6SN7 Grant Fidelity

$199
Shuguang CV181 (6SN7) Black Treasure tubes from Grant Fidelity. These tubes are the A+ grade hand selected and tested by Grant Fidelity. These are rated for extremely low noise and no microphonics. (c...
Condition: 9/10
Posted: 2 days ago
US Audio Mart
#TubesUSA

12AU7, 6189W

$50
I am finally getting around to consolidating my tube collection. I have way too many. The following are for sale as described. Test data written on boxes. Photos available on request...
Condition: 9/10
Posted: 3 days ago
US Audio Mart
#TubesUSA

Amperex Holland 6dj8 Bugle Boy Matched Quad

$80
Here is a very tightly matched quad of Amperex bugle boy 6dj8's, made in Holland. Marking are pretty nice. These test very strong. I used them for a few days and they were replaced by 6922's that work...
Posted: 3 days ago
US Audio Mart
#Quad #TubesUSA

RCA 5814 Triple Mica Blackplate Mil-Spec 12AU7 Tubes

$30
Quote from a popular online tube dealer:'JRC5814A JAN RCA blackplate, Premium industrial grade 12AU7, JAN military grade. Excellent 1950s military blackplate tubes, will last a very long time in use. ...
Posted: 3 days ago
Audio Asylum Trader
#TubesUSA

RCA 5963 12AU7 BLACKPLATE TUBES FROM 1950s

$30
Quote from a popular online tube retailer:'A really fine blackplate from the 1950s, many audiophiles feel these outperform most of the other NOS 12AU7 tubes. Ranked on par with the European brands!'I ...
Posted: 3 days ago
Audio Asylum Trader
#TubesUSA

Stromberg Carlson 5963 12AU7 tubes NOS matched pair - underground variant ECC82 5814

$21
for sale: pair of vintage Stromberg Carlson branded 5963 tubes. Equivalent to 12AU7 / ECC82 / 5814 etc . Double mica, grey plate. See info at link. Designated NOS. Tested via emissions at 92/92 and 93...
Condition: 7/10
Posted: 4 days ago
Audio Asylum Trader
#TubesUSA

Canary Audio M90 stereo power amplifier in push-pull triode configuration with 300B output tubes

$2500
Up for sale is Canary M90 stereo power amplifier in push-pull triode configuration with 300B output tubes. Please note the power supply for the 300B filament is AC so the noise level is higher compari...
Posted: 4 days ago
US Audio Mart
#Canary Audio #TubeUSA

AMPEREX 6DJ8 ECC88 Tubes - matched pairs, halo getter, Holland mfr.

$50
Three Matched Pairs AMPEREX Holland halo getter 6DJ8 ECC88 Tubes. No print or logos on these (worn off?), but they all have the slanted delta symbol in the Philips code that indicates manufacture in H...
Posted: 5 days ago
Audio Asylum Trader
#Halo Audio #TubesUSA

Woo Audio WA6SE with tubes. Black

$420
Condition: 6/10
Posted: 5 days ago

LEBEN CS300X Integrated Tube Amplifier With NOS Mullard EL84 tubes Factory BOX

$2800
I have here a wonderful EL84 integrated amplifier for your consideration. I thought I would never sell it but I decided to reduce my 'toys'....
Condition: 8/10
Posted: 7 days ago
US Audio Mart
#TubeUSA

Cossor 53KU (GZ37, CV378) black base & black anode (NOS matched pair)

$800
this listing is for a NOS matched pair of the extremely rare Cossor 53KU (GZ37, CV378) with black base & black anode plate.tubes have the 'K' factory code & were made in the UK in the 1940s or early 1...
Condition: 10/10
Posted: 7 days ago
Audio Asylum Trader
#TubesUSA

McIntosh MC-2301 Mono Tube Amps MINT Consecutive Numbers with 32 KT88 & 8 12AT7 tubes

$15495
New $22,000
Rarely up for sale -- an Original owner of a consecutive numbered pair of MC2301's with manuals, original boxes, and recently loaded set of Gold Lion Reissue KT88's and Gold Pin 12AT7's which currentl...
Condition: 9/10
Posted: 7 days ago

Syltone [made in England] Vintage 6L6C Quad Nos

$325
This is a quad of vintage 6L6C's that i bought from a friend who had purchased them as Nos..Both he and I used them very little and I would estimate they have less than 100 hrs. They were used for a s...
Posted: 8 days ago
Audio Asylum Trader
#Quad #TubesUSA

KR Audio 242 DHT tubes pair like 300b

$832
Condition: 6/10
Posted: 8 days ago

Syltone [made in England] Vintage 6L6C Quad Nos

$325
This is a quad of vintage 6L6C's that i bought from a friend who had purchased them as Nos..Both he and I used them very little and I would estimate they have less than 100 hrs. They were used for a s...
Posted: 9 days ago
US Audio Mart
#Quad #TubesUSA

RCA 5814 Triple Mica Blackplate Mil-Spec 12AU7 Tubes From the 1950s

$30
Quote from a popular online tube dealer:...
Posted: 9 days ago
US Audio Mart
#TubesUSA

Gold Lion KT90LX Tubes (Quad, Low Hours)

$200
Less than 50 hours, original boxes...
Condition: 8/10
Posted: 10 days ago
US Audio Mart
#Quad #TubesUSA

Electro Harmonix KT88EH Tubes (Quad, Low Hours)

$120
Less than 50 hours, original boxes, bought from Upscale Audio...
Condition: 8/10
Posted: 10 days ago
US Audio Mart
#Quad #TubesUSA

Electro Harmonix 6550EH Tubes (Quad, Low Hours)

$100
Less than 50 hours...
Condition: 8/10
Posted: 10 days ago
US Audio Mart
#Quad #TubesUSA

Siemens 6922/E88CC matched pair/gold pin

$140
New $200
Purchased these from Upscale Audio as back ups for my Lamm LL2.1 preamp and never used also they were recommended by the reviewer of the Lamm pre as the go to tube for that preamp, ordered these and i...
Condition: 10/10
Posted: 11 days ago
Audio Asylum Trader
#TubesUSA

Gold Lion 12AT7 / ECC81 *New 50% off list

$140
I have 4 New never been used Gold Lion 12AT7/ECC81 tubes. See New Senors site, these retail at $71.44 each. I don't have my gear that used these tubes so no need to keep.Pay via PayPal Friends & Famil...
Condition: 10/10
Posted: 11 days ago
Audio Asylum Trader
#TubesUSA

6LF6 (6MH6) Matched Quad Vacuum Tubes Counterpoint Futterman NYAL OTL

$295
What you see is a a rare matched and graded Quad Set of New Old Stock (NOS) GE manufactured in late 1980's 6LF6 (6MH6) vacuum tubes that were used in vitage OTL amplifiers manufactured by Futterman, N...
Condition: 10/10
Posted: 13 days ago
US Audio Mart
#Counterpoint #TubesUSA

6922 (Amperex, Sylvania) and PCC88 (Ei-Yugoslavia) tubes

$40
It's time to part with some excellent 6922 tubes (and variants). I purchased these as new (NOS) and they are all in excellent condition and have zero or no more than 10 hours on each pair. I have the ...
Posted: 14 days ago
US Audio Mart
#TubesUSA

New NOS 6H23n-EB Russian Tubes (5 matched, Cryo'd, super low noise pairs)

$60
NEW NOS 6H23n-EB Audiophile Pre Tubes made in Russia (1980's). The tubes in the photo are what you get!! They are drop-in replacements for all 6922/7308/6DJ8 tubes and well known for their excellent d...
Condition: 10/10
Posted: 14 days ago
US Audio Mart
#TubesUSA

GE GE 5Y3WGTB/6087 Rectifier Tubes

$31
GE 5Y3WGTB/6087 Rectifier Tubes. Matched Pair.Matching codes.Tested, both at 100 Good on Senore TC109. Good scale 70-130.No shorts, tested Good for Grid Leakage.Used on my fi 2A3 amp that I no longer ...
Condition: 9/10
Posted: 19 days ago
Audio Asylum Trader
#TubesUSA

GE 5751 Silver Clip TMBP, matched pair, tests NEW, rare

$145
GE 5751 'Silver Clip' triple Mica Black Plate, this is an extremely rare matched pair, and like new. No leaks, shorts, gas, or microphony as tested on my newly restored and calibrated Mercury tube tes...
Condition: 9/10
Posted: 23 days ago
Audio Asylum Trader
#TubesUSA
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