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DIY UX-45 Amplifier A John Tucker Design Direct Coupled, Active Loaded, Parallel Feed Output SE 45 Amplifier

$1790
'...the lineage of that amp goes back to a lunch at some crummy Chinese restaurant in Vegas in 1997, during CES. JT and I had been looking over some of the competition, and while waiting for our chow ...
Condition: 9/10
Posted: 2 days ago
Audio Asylum Trader
#John Blue Audio #Tube AmplifiersUSA

Tron Discovery Reference Reference

$7500
New $13,000
The Discovery Reference is based on the DHT tube 300B and delivers 2x 8W. It is a pure class A, single-ended design without the use of negative feedback. The build quality is very high. The tubes used...
Condition: 9/10
Posted: 3 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

VAC PA100/100 with 'phi' upgrade

$1750
VAC PA100/100 with phi front end upgrade! This amp is in excellent operating and physical condition. I have rated it an 8/10 only due to age. 5 years ago I sent this amp to VAC in Sarasota for service...
Condition: 8/10
Posted: 5 days ago
Audio Asylum Trader
#VAC #Tube AmplifiersUSA

SF Custom 6HB6/6GK6/EL84/6BQ5 Single-Ended UL PCB/Point-to-Point Hybrid Wiring

$600
This is a single-ended stereo tube amp. 6922 & 6HB6 tubes are included. The amplifier circuit and PC boards are of my own design. The amplifier uses an Electro-Harmonix 6922 driver tube and 6HB6 outpu...
Condition: 10/10
Posted: 6 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

Jolida JD1501P Hybrid Stereo Power Amp. Mint Condition. Financing Available

$499
Up for sale a Mint Condition Jolida JD1501P Hybrid Stereo Power Amp.It sounds real nice and is in mint condition.The amp comes with its original box and a power cord.All equipment I sell, I stand behi...
Condition: 9/10
Posted: 7 days ago
Audio Asylum Trader
#Jolida #Tube AmplifiersUSA

Serious Stereo 2A3

$8500
New $18,700
Only a few months old, 1 watt mono amps, includes JJ &Emission Labs 2A3 output tubes. From website: The 2-Stage, direct-coupled, Class-A circuit design is engineered for long vacuum tube life as well ...
Condition: 9/10
Posted: 8 days ago
Audio Asylum Trader
#Serious Stereo #Tube AmplifiersUSA

Heathkit W5 Monoblocks 6AR6 Conversion with Peerless 16458 OPTs

$2200
FOR SALE OR TRADE: Very, very nice pair of Heathkit W5 monoblocks professionally modified by two highly experienced tube amp pros to extract the musicality of the special breed of 6L6: the 6AR6 tube. ...
Condition: 7/10
Posted: 9 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

Dennis Had KT SE Dennis Had Inspire KT SE Stereo Power Amplifier

$1450
New $1,600
Selling my Dennis Had Inspire KT SE stereo amplifier. It has served me well on my speaker rig, but my hobbies are trending in other areas besides audio these days. This has switchable bias so you can ...
Condition: 7/10
Posted: 9 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

Heathkit W-5M Restored Mono Amplifiers and Matching Preamplifiers- VG Condition

$1250
Almost sixty year old Heathkit W5M mono amps are in excellent condition, see photos. $1250 plus shipping and paypal fee. $1250 plus shipping (add 3% for paypal.)This pair of clean Heathkit WM-5 tube m...
Condition: 8/10
Posted: 9 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

PSVANE 2A3-T Matched Pair PSVANE Vacuum Tubes 2A3-T Classic Version

$218
New $249
New 2 pcs = 1 Matched Pair PSVANE Vacuum Tubes 2A3-T Classic VersionNew and tested...
Condition: 10/10
Posted: 9 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

PSVANE WE845 1 Matched pair PSVANE WE845 Replica Western Electric Vacuum Tubes

$688
New $798
NEW 2 pcs= 1 Matched pair PSVANE WE845 Replica Western Electric Vacuum TubesNew and tested...
Condition: 10/10
Posted: 9 days ago
Audio Asylum Trader
#Western Electric #Tube AmplifiersUSA

PSVANE WE275 1Matched pair PSVANE vacuum tube Replicated Version 1:1 40s' WE275

$368
New $439
2pcs = 1Matched pair PSVANE vacuum tube Replicated Version 1:1 40s' WE275New and tested...
Condition: 10/10
Posted: 9 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

PSVANE WE211 Matched pair Psvane WE211 WE Replica 1:1 Vacuum TubesVacuum Tubes

$498
New $725
2 pcs 1Matched pair Psvane WE211 WE Replica 1:1 Vacuum TubesVacuum TubesNew and tested...
Condition: 10/10
Posted: 10 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

PSVANE WE274B 1PC PSVANE WE274B Vacuum Tube Western Electric 1:1 Replica

$199
New $229
1PC PSVANE WE274B Vacuum Tube Western Electric 1:1 ReplicaNew and tested...
Condition: 10/10
Posted: 10 days ago
Audio Asylum Trader
#Western Electric #Tube AmplifiersUSA

Vintage Fender TWIN REVERB Tube Amplifier

$1079
Condition: 6/10
Posted: 10 days ago

Psvane EL34PH Matched quad Psvane Vacuum Tube EL34PH metal base RE EL34 6CA7

$309
New $365
New and tested4 PCS New Matched quad Psvane Vacuum Tube EL34PH metal base RE EL34 6CA7...
Condition: 10/10
Posted: 10 days ago
Audio Asylum Trader
#Quad #Tube AmplifiersUSA

PSVANE WE300B 1 Matchecd Pair PSVANE WE300B Tube Western Electric 1:1 Replica

$686
New $839
New and tested2 pcs= 1 Matchecd Pair PSVANE WE300B Tube Western Electric 1:1 Replica...
Condition: 10/10
Posted: 10 days ago
Audio Asylum Trader
#Western Electric #Tube AmplifiersUSA

PSVANE CV181-T Matched pair Classic CV181-T Mark II

$128
New $169
2pcs =1 Matched Pair Classic Psvane CV181-T Mark II Audio Tubes can replace 6SN7 CV181-Z...
Condition: 10/10
Posted: 11 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

Leak TL 50 Plus Amp and Varislope 3 preamp

$1700
New $300
It's time to thin the herd. Up for sale is the famous Leak TL50 plus and and Varislope 3 mono Preamp. I've been planning to match it up for a stereo pair, but it's 2 years later and I still haven't do...
Condition: 6/10
Posted: 12 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

Quicksilver Audio - Mono Amp - Vacuum Tube Amplifiers - 8417 - 12AX7 - 12BH7

$592
HighEndAudioAuctions / Ships Worldwide / Best Packaging...
Condition: 6/10
Posted: 13 days ago

Rca, amperex,mullard Vacuum tubes 350 or vacuum tubes

$4500
I'm new to this site, but I'm finally selling off my vacuum tubes. There are about 350 of various types. Mostly audio like 6550, 12a*7, ecc88, lots of balloon types etc For example I have about 60 amp...
Condition: 7/10
Posted: 14 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

Joule Electra VZN100 mkV Musicwood custom mono OTL amps

$6750
This is a very special offering. I had Joule Electra build these amplifiers special for me. They are the MKV version (with green boards which are the quietest and best sounding). They have XLR-balance...
Condition: 9/10
Posted: 16 days ago
Audio Asylum Trader
#Electra Fidelity #Tube AmplifiersUSA

Von Gaylord Audio Nirvana 4- Monoblock Amplifiers - Includes VGA Power cords and Interconnects

$4500
Selling my complete Von Gaylord Audio System:This pair of monoblock amplifiers are virtually new with very low hours on them. There is no better amplifier anywhere near this price!Included with this s...
Condition: 9/10
Posted: 17 days ago
Audio Asylum Trader
#Nirvana Audio #Tube AmplifiersUSA

Bottlehead Paramount V1.1 2A3 Direct Coupled MQ Nickel Upgrade Monoblocks

$1500
Paramount v 1.1 with Magnequest BH-5 full nickel outputs and MQ bh-6 plate chokes. Its in the direct coupled 2a3 form but can be converted pretty easily to 300b. It has upgraded Clarity mr parafeed ca...
Condition: 8/10
Posted: 17 days ago
Audio Asylum Trader
#Bottlehead #Tube AmplifiersUSA

DARED VP-20 Integrated Tube Amplifier

$600
Item is a Dared VP-20 Integrated Tube Amplifier system. The total system consists of two (2) 6L6 monoblocks with a separate power supply block. Each monoblock as its own volume control. I used my syst...
Condition: 9/10
Posted: 17 days ago
Audio Asylum Trader
#Dared Tube #Tube AmplifiersUSA

Acrosound Stereo 20-20 tube power amp

$950
Acrosound Stereo-20-20 power amp. A project that, I realize, I will never get to. Amp is in good cosmetic condition with cage. One channel sounds fine, and the other plays the signal, but has a very p...
Condition: 5/10
Posted: 17 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

Audio Nirvana 300B

$900
New $1,550
Very nice amp. Just don't listen much any more. Selling several pieces. I accept US postal MOs and personal checks. I will ship ASAP upon receipt of US Postal MO and will ship after personal check cle...
Condition: 9/10
Posted: 17 days ago
Audio Asylum Trader
#Nirvana Audio #Tube AmplifiersUSA

LA AUDIO A-100 Tube Amplifier

$1282
Condition: 6/10
Posted: 17 days ago

Rogue Audio ST-100 Mint Condition Outstanding Performance

$2650
New $3,495
This very well may be the proverbial 'Sweet spot' among Rogue Audio's power amplifier products. Rated at 100wpc and featuring circuitry and power supply (custom wound output transformers) specifically...
Condition: 9/10
Posted: 32 days ago
Audio Asylum Trader
#Rogue Audio #Tube AmplifiersUSA

Custom built 45 Single End tube amp

$650
New $850
An custom engineered Class A SET amp using a pair of 45 tubes, an 80 tube, and 2 x 6SN7 tubes. The legendary 45 output tubes need no introduction. If you have moderate sized room with an impedance fri...
Condition: 9/10
Posted: 35 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

Will Vincent 45/ 2A3 SE Triode Pentode Driver

$900
New $1,200
This Will Vincent amp built can use 45 or 2A3 tubes with the flip of a switch. Radiotron circuit with 6C6 drivers. Power out put 1.5 watt with 45 and 3 watt with 2A3. All tubes pictured are included. ...
Condition: 9/10
Posted: 35 days ago
Audio Asylum Trader
#Vincent & T.A.C. #Tube AmplifiersUSA

Butler Monad 100 300b Mono blockes

$6800
This is a pair of Butler Audio Monad currently be used to drive a pair of Nearfield Acoustic Pipedreams by the owner of Nearfield Acoustics who is a friend of mine. These amps were used to demo the Ne...
Condition: 7/10
Posted: 44 days ago
Audio Asylum Trader
#Butler Audio #Tube AmplifiersUSA

Canary Audio M800's

$8500
New $12,500
Demo pair New model, stunning performance and build quality, these amps are flawless in delivering powerful full range dynamics. Retail $12995 160wpc, Tungsol KT88's, 4-8 ohms JM Sound(310)372-3487 Pa...
Condition: 9/10
Posted: 45 days ago
Audio Asylum Trader
#Canary Audio #Tube AmplifiersUSA

Homemade Stereo tube amp with 6973's & 6an8a's

$500
Stereo power amp with orig RCA 6973's and GE 6an8a's. What i can tell, it has mostly new parts with some repurposed parts, like the transformers,etc. Point to point wiring. I've played this for many, ...
Condition: 8/10
Posted: 45 days ago
Audio Asylum Trader
#Tube AmplifiersUSA

Counterpoint NPS 200A hybrid amplifier

$1250
Selling a Counterpoint power amplifier in very good condition. This a hybrid amplifier that has four tubes in the signal path. You can describe the sound as very musical with very good imaging. This a...
Condition: 7/10
Posted: 45 days ago
Audio Asylum Trader
#Counterpoint #Tube AmplifiersUSA

UltraFi 6EM7 SET Monoblocks REDUCED

$1750
UltraFi custom build amps for full range/horn hi efficiency speaker aficionados. Includes 6 pair of 6EM7 triodes Custom UltraFi build 6EM7 dual triodes, very linear, fast, neutral Honest presentation,...
Condition: 9/10
Posted: 57 days ago
Audio Asylum Trader
#Tube AmplifiersUSA
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