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Fisher 80Az Mono Tube Amps & 80C Preamp -Serviced & Working But Sold As-is.Fisher 80Az Mono Tube Amps & 80C Preamp -Serviced & Working But Sold As-is. $2,849.89 Longfield Sl 15 Power-amp Mono block Vacuum Tube 6L6 for Altec/ Tannoy speakerLongfield Sl 15 Power-amp Mono block Vacuum Tube 6L6 for Altec/ Tannoy speaker $3,185.82
Hallicrafters A-84 Mono Power AmplifierHallicrafters A-84 Mono Power Amplifier $399.00 Dynaco Mark-Vi Vacuum Tube Power Amplifier, Mono PairDynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair $3,800.00
Restored Luxman Lux Mb8A, Mb8-A Vacuum Tube Mono Power Amplifier Pair Japan JpRestored Luxman Lux Mb8A, Mb8-A Vacuum Tube Mono Power Amplifier Pair Japan Jp $2,046.21 Scott 240 Laboratory Series Mono Block Pair2 Tube Power Amplifiers Just ServicedScott 240 Laboratory Series Mono Block Pair2 Tube Power Amplifiers Just Serviced $2,799.99
Pair Quad Ii Classic Vacuum Tube Type Power Amplifier Vintage Audio Mono BlocksPair Quad Ii Classic Vacuum Tube Type Power Amplifier Vintage Audio Mono Blocks $2,200.00 Trans Electronics Rs-217A Mono Block Tube Power Amplifier Regulated Power SupplyTrans Electronics Rs-217A Mono Block Tube Power Amplifier Regulated Power Supply $449.99
Vintage Mono Peri 50 Watt Power Amplifier El37 Tubes For Restoration SingleVintage Mono Peri 50 Watt Power Amplifier El37 Tubes For Restoration Single $700.00 McIntosh Mono Tube Amplifier Mc30 BeautifulMcIntosh Mono Tube Amplifier Mc30 Beautiful $3,583.66
Pre 1958 McIntosh Mc60 Mono Vacuum Tube Power Amplifier, Pro Serviced*Read*Pre 1958 McIntosh Mc60 Mono Vacuum Tube Power Amplifier, Pro Serviced*Read* $3,799.99 Grommes Model 260 Tube Mono Power Amplifier Rare Kt88 6550 Audiophile 5U4 Kt66Grommes Model 260 Tube Mono Power Amplifier Rare Kt88 6550 Audiophile 5U4 Kt66 $1,200.00
Rare Vintage Pair of Quicksilver 8417 Mono Amp 60W Tube Amplifier w/ Rare CagesRare Vintage Pair of Quicksilver 8417 Mono Amp 60W Tube Amplifier w/ Rare Cages $3,399.99 Dynaco Mark Iii Mono Block Tube Power Amplifier Pair 100-117V 50/60Hz Used JapanDynaco Mark Iii Mono Block Tube Power Amplifier Pair 100-117V 50/60Hz Used Japan $1,980.00
The Fisher One 510-St And One 30-A Mono El84 Tube Power Amplifiers 1960’sThe Fisher One 510-St And One 30-A Mono El84 Tube Power Amplifiers 1960’s McIntosh Mc-3500 - Rare - 350 Wpc Mono-block Tube Power AmplifiersMcIntosh Mc-3500 - Rare - 350 Wpc Mono-block Tube Power Amplifiers $45,000.00
Vintage Heathkit W-5M Mono Tube Power Amplifier Amp Peerless El34 WorksVintage Heathkit W-5M Mono Tube Power Amplifier Amp Peerless El34 Works $450.00 Uesugi U Bros-3 Vacuum Tube Type Stereo Mono Power Amplifier Ac 100V WorkingUesugi U Bros-3 Vacuum Tube Type Stereo Mono Power Amplifier Ac 100V Working $1,628.85
Quad Ii Tube Amplifiers Mono Blocks and PreamplifierQuad Ii Tube Amplifiers Mono Blocks and Preamplifier $5,000.00 Altec 1568A Vacuum Tube Mono Power Amplifier Used JpAltec 1568A Vacuum Tube Mono Power Amplifier Used Jp $1,399.99
Pioneer Elite M-90 Stereo Amplifier 200W/Ch Hifi Dual Mono + 30-Day GuaranteePioneer Elite M-90 Stereo Amplifier 200W/Ch Hifi Dual Mono + 30-Day Guarantee $1,820.00 New ListingPioneer Elite M91 Stereo Amplifier 200W/Ch Top Hifi Dual Mono + 30-Day GuaranteeNew ListingPioneer Elite M91 Stereo Amplifier 200W/Ch Top Hifi Dual Mono + 30-Day Guarantee $2,080.00
Eico Power Audio Mono Amplifier Model Hf-20Eico Power Audio Mono Amplifier Model Hf-20 $350.00 Vintage Heathkit Mono Amplifier Model W4 Am Power Amp Worked A Couple Years AgoVintage Heathkit Mono Amplifier Model W4 Am Power Amp Worked A Couple Years Ago $109.98
dynaco Mark-Iii mono vacuum tube power amplifiers Kt-88, 60W p.p. (4Ω, 8Ω, 16Ω)dynaco Mark-Iii mono vacuum tube power amplifiers Kt-88, 60W p.p. (4Ω, 8Ω, 16Ω) $1,750.00 Vtg Luxman M-02 Duo-Beta/S Power Amplifier 140 Watts Stereo / 300 Watts MonoVtg Luxman M-02 Duo-Beta/S Power Amplifier 140 Watts Stereo / 300 Watts Mono $849.00
Toa 900 Series Ii P-906Mk2 60 Watt Mono Power AmplifierToa 900 Series Ii P-906Mk2 60 Watt Mono Power Amplifier $35.99 Interelectronics Coronation One Hundred 40 watt Broadcast Mono Tube AmplifierInterelectronics Coronation One Hundred 40 watt Broadcast Mono Tube Amplifier $1,199.99
Philips mono tube / valve amplifier pair El6425 with El36 Ecc83 in 19' mountsPhilips mono tube / valve amplifier pair El6425 with El36 Ecc83 in 19' mounts $499.00 Bell 2200C Tube Mono Power Amplifiers 6L6 Rare Audiophile Amp Restored 6L6 6Sn7Bell 2200C Tube Mono Power Amplifiers 6L6 Rare Audiophile Amp Restored 6L6 6Sn7 $1,100.00
Rca Mi-12222-B Vintage Mono Tube Amplifier from vintage audio collection NiceRca Mi-12222-B Vintage Mono Tube Amplifier from vintage audio collection Nice $595.00 Dynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair restored upgradedDynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair restored upgraded $6,695.00
Bogen 50 s High Fidelity Tube Amplifier from vintage audio collection NiceBogen 50 s High Fidelity Tube Amplifier from vintage audio collection Nice $195.00 Dynaco Mark Vi Professional Power Amplifiers = Factory Wired!Dynaco Mark Vi Professional Power Amplifiers = Factory Wired! $3,699.00
Mcintosh Mc30 Mono Tube Amplifier Restored Early Serial NumberMcintosh Mc30 Mono Tube Amplifier Restored Early Serial Number $2,495.00 Regency Hf-50 Tubes Mono Power Amp - PairRegency Hf-50 Tubes Mono Power Amp - Pair $2,500.00
Sparton Amplifier/Power Supply Clean! Powers Up Properly! (1920's)Sparton Amplifier/Power Supply Clean! Powers Up Properly! (1920's) $139.99 Pair (2) Ex Rare Altec A-25B Mono Tube Amplifiers + Exl 275 Psu Western ElectricPair (2) Ex Rare Altec A-25B Mono Tube Amplifiers + Exl 275 Psu Western Electric $9,999.00
Craftsmen C550 (550) High-Fidelity Mono Power Amplifier=Nice Original!Craftsmen C550 (550) High-Fidelity Mono Power Amplifier=Nice Original! $599.00 Heathkit tube stereo 1 Sp-2 preamp & 2 Ua-2 mono block power amps with tubesHeathkit tube stereo 1 Sp-2 preamp & 2 Ua-2 mono block power amps with tubes $550.00
Waiting Audio 2A3 single ended class-A tube power amplifier (mono-mono)Waiting Audio 2A3 single ended class-A tube power amplifier (mono-mono) $1,480.00 Vintage Eico Hf-14 Mono Tube Power Amplifier in Good Working ConditionVintage Eico Hf-14 Mono Tube Power Amplifier in Good Working Condition $349.00
Dynaco Mark Iii Mono Block Tube Power Amplifier Pair With Cages!Dynaco Mark Iii Mono Block Tube Power Amplifier Pair With Cages! $1,999.00 Conrad Johnson Premier Five Mono BlocksConrad Johnson Premier Five Mono Blocks $3,200.00
George Gott G 30U Biggs of California Mono Tubes Power Amp - PairGeorge Gott G 30U Biggs of California Mono Tubes Power Amp - Pair $1,400.00 Rare: Pilotone Aa-906 Tube Mono Power Amplifier, McIntosh Mc60 Mc75, Works PilotRare: Pilotone Aa-906 Tube Mono Power Amplifier, McIntosh Mc60 Mc75, Works Pilot $849.00
Kenwood L-07M Mono Block 150 Watts Amplifier Pair TestedKenwood L-07M Mono Block 150 Watts Amplifier Pair Tested $375.00 Uesugi Uty-3 Pair set Vacuum Tube Type Mono Power Amplifier 100V Japan WorkingUesugi Uty-3 Pair set Vacuum Tube Type Mono Power Amplifier 100V Japan Working $20,299.00
New ListingDynaco Mark Ii Mono Vacuum Tube Power Amplifier Modded To Mark Iii Mullard TubesNew ListingDynaco Mark Ii Mono Vacuum Tube Power Amplifier Modded To Mark Iii Mullard Tubes $399.99 Altec A333A High-Fidelity Mono Power Amplifier=Nice! Please Read!Altec A333A High-Fidelity Mono Power Amplifier=Nice! Please Read! $1,399.00
6L6 Tube Mono amp for modifier fender guitar amp6L6 Tube Mono amp for modifier fender guitar amp $149.00 Vintage Geloso G-227A El34 Pp tube mono amplifiers 1960sVintage Geloso G-227A El34 Pp tube mono amplifiers 1960s $1,750.00
Tamura El34 Vacuum Tube Pp - Mono Power Amplifier Pair Br (Worldwide ShippiTamura El34 Vacuum Tube Pp - Mono Power Amplifier Pair Br (Worldwide Shippi $5,880.00 Pair of Heathkit W-5M Mono Bloc Power Amplifiers For Restoration=Peerless 16309Pair of Heathkit W-5M Mono Bloc Power Amplifiers For Restoration=Peerless 16309 $699.00
H.H. Scott 280 Mono Tube Amplifier ~ For Parts/Repair OnlyH.H. Scott 280 Mono Tube Amplifier ~ For Parts/Repair Only $1,999.99 Quad Ii | Mono Tube Amplifier | Pair | WorldwideShippingQuad Ii | Mono Tube Amplifier | Pair | WorldwideShipping $2,580.00
Knight 25 Watt Basic Mono Power AmplifierKnight 25 Watt Basic Mono Power Amplifier $349.00 6С33с tube power amplifier, single ended  mono amplifiers6С33с tube power amplifier, single ended  mono amplifiers $1,855.00
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Prices current as of last update, 08/07/25 6:03am.

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