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Mono

An electronic amplifier is a device for increasing the current, voltage or power of a signal. It does this by taking power from a power supply and controlling the output to match the input signal shape but with a larger amplitude. more...

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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. $3,049.89 Pair Ultra Slim Power Transformers for Tube Amplifier 6V6-El84-6P14P-6F6Pair Ultra Slim Power Transformers for Tube Amplifier 6V6-El84-6P14P-6F6 $49.00
Quad Ii | Mono Tube Amplifier | Pair | WorldwideShippingQuad Ii | Mono Tube Amplifier | Pair | WorldwideShipping $2,880.00 Super Rare: Pilotone Aa-906 Tube Mono Power Amplifier, Kt88/6550 Based, WorksSuper Rare: Pilotone Aa-906 Tube Mono Power Amplifier, Kt88/6550 Based, Works $699.00
Vas Citation-2 Monoblock Power AmplifiersVas Citation-2 Monoblock Power Amplifiers $3,500.00 Allied Knight Kb-85 Stereo Tube Amplifier Working El37 Included 1959/60 EraAllied Knight Kb-85 Stereo Tube Amplifier Working El37 Included 1959/60 Era $1,324.00
New ListingVintage Sa-10 Solid State Stereo Amplifier Vintage Rca Tape Phono Tone Free ShipNew ListingVintage Sa-10 Solid State Stereo Amplifier Vintage Rca Tape Phono Tone Free Ship $22.77 Sun Audio Sv-Te/zero1 - 2A3 Pp Tube Power Amplifier (Pair)(Worldwide Shipping)Sun Audio Sv-Te/zero1 - 2A3 Pp Tube Power Amplifier (Pair)(Worldwide Shipping) $5,980.00
Dynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair restored upgradedDynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair restored upgraded $6,695.00 Vintage Nos Threshold Sa-1 Mono Block Power Amplifier Pair - Ready to UseVintage Nos Threshold Sa-1 Mono Block Power Amplifier Pair - Ready to Use $8,999.00
Trans Electronics Rs-217A Mono Block Tube Power Amplifier Regulated Power SupplyTrans Electronics Rs-217A Mono Block Tube Power Amplifier Regulated Power Supply $699.99 Dynaco Mark Iii Mono Block Tube Power Amplifier PairDynaco Mark Iii Mono Block Tube Power Amplifier Pair $1,999.00
Rca Mi-9335B Mono Tube Power Amplifier (Worldwide Shipping)Rca Mi-9335B Mono Tube Power Amplifier (Worldwide Shipping) $2,200.00 Operation confirmation incomplete Luxman Tube Amp Mb3045 Mono Power Amplifier JpOperation confirmation incomplete Luxman Tube Amp Mb3045 Mono Power Amplifier Jp $1,396.99
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 Wurlitzer Mono Amplifier Hi FiWurlitzer Mono Amplifier Hi Fi $19.95
Interelectronics Coronation One Hundred 40 watt Broadcast Mono Tube AmplifierInterelectronics Coronation One Hundred 40 watt Broadcast Mono Tube Amplifier $1,349.99 pair of Lowrey mono 6V6 amp chassis - rebuild or great Diy platformpair of Lowrey mono 6V6 amp chassis - rebuild or great Diy platform $199.00
Ex Rare (2) Altec A-25B Mono Tube Amplifiers + Exl 275 Psu Western Electric EraEx Rare (2) Altec A-25B Mono Tube Amplifiers + Exl 275 Psu Western Electric Era $9,999.00 Vintage Altec Lansing A333A Mono 6L6 Tube Power Amplifier Amp perfect workingVintage Altec Lansing A333A Mono 6L6 Tube Power Amplifier Amp perfect working $1,850.00
Pair (2) Fisher 70-Az Tube Mono Power Amplifiers for 50C 80C - Tested & WorkedPair (2) Fisher 70-Az Tube Mono Power Amplifiers for 50C 80C - Tested & Worked $849.00 Leak Tl/25 Plus Monoblock Power Amp Tube Amplifier 25 Watts Mullard Tubes 1958Leak Tl/25 Plus Monoblock Power Amp Tube Amplifier 25 Watts Mullard Tubes 1958 $2,210.00
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 Iii 60 Watt Mono Vacuum Tube Power AmplifiersDynaco Mark Iii 60 Watt Mono Vacuum Tube Power Amplifiers $1,699.99
Vintage H.H.Scott Type 99D Tube Amplifier. Mono, Powers up well!Vintage H.H.Scott Type 99D Tube Amplifier. Mono, Powers up well! $315.00 Craftsmen C550 (550) High-Fidelity Mono Power Amplifier=Nice Original!Craftsmen C550 (550) High-Fidelity Mono Power Amplifier=Nice Original! $799.00
Vintage McIntosh Mc-75 Mono Tube Power Amplifier amp untestedVintage McIntosh Mc-75 Mono Tube Power Amplifier amp untested $1,595.00 *Rare * Paoli 60 M monoblock power amp (single) "hot-rodded Dynaco Mk Iii" Rare**Rare * Paoli 60 M monoblock power amp (single) "hot-rodded Dynaco Mk Iii" Rare* $749.99
Rare Vintage Boulder 500Ae Mono Block Power AmplifiersRare Vintage Boulder 500Ae Mono Block Power Amplifiers $4,999.99 Altec 1568A Vacuum Tube Mono Power Amplifier Used JpAltec 1568A Vacuum Tube Mono Power Amplifier Used Jp $1,399.99
Vtg Technology Instrument 511-A Tube Power Amplifier 6L6 Mono Utc Ls-58 ~ WorksVtg Technology Instrument 511-A Tube Power Amplifier 6L6 Mono Utc Ls-58 ~ Works $425.00 Altec A127A Amplifier Rwb Made Under Western ElectricAltec A127A Amplifier Rwb Made Under Western Electric $2,700.00
Pair of Eico Hf-22 Mono Bloc Power Amplifiers=Nice Originals!Pair of Eico Hf-22 Mono Bloc Power Amplifiers=Nice Originals! $1,299.00 Hallicrafters A-84 Mono Power AmplifierHallicrafters A-84 Mono Power Amplifier $599.00
Great Sound ! Vintage Kenwood L-07M Mono Block Power Amplifier (Item#2)Great Sound ! Vintage Kenwood L-07M Mono Block Power Amplifier (Item#2) $459.99 Xtant 121M Mono Amplifier 250 watt Rms 2 ohm old school Rare. Free ShippingXtant 121M Mono Amplifier 250 watt Rms 2 ohm old school Rare. Free Shipping $250.00
Hh Scott Lab 240 Mono Block Power Amplifier Pair, ServicedHh Scott Lab 240 Mono Block Power Amplifier Pair, Serviced $1,800.00 Bogen Ap-30 Stereo Amplifier 1960’s - Gold With All Bogen Tubes 12X7 12Au7 NiceBogen Ap-30 Stereo Amplifier 1960’s - Gold With All Bogen Tubes 12X7 12Au7 Nice $295.00
211 Tube Mono Power Amplifier X2 High Fidelity Audiophile Vacuum Tube Stereo211 Tube Mono Power Amplifier X2 High Fidelity Audiophile Vacuum Tube Stereo $3,088.85 Carvin Ts100 Rackmount Tube Power AmplifierCarvin Ts100 Rackmount Tube Power Amplifier $583.99
Pair Northern Western Electric Ra75A Monoblock Mono El34 tube AmplifiersPair Northern Western Electric Ra75A Monoblock Mono El34 tube Amplifiers $2,200.00 Vintage General Electric Tube Power Amplifier Mono Block A1-300 Parts or RepairVintage General Electric Tube Power Amplifier Mono Block A1-300 Parts or Repair $995.00
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 Heathkit Vintage Tube Amplifier Audio Mono Monoblock Powers On UntestedHeathkit Vintage Tube Amplifier Audio Mono Monoblock Powers On Untested $199.99
6С33с tube power amplifier, single ended  mono amplifiers6С33с tube power amplifier, single ended  mono amplifiers $1,855.00 Knight Six Dial Mono Amplifier 1960sKnight Six Dial Mono Amplifier 1960s $199.99
Pair of Heathkit W-5M Mono Bloc Power Amplifiers=Peerless Output TransformersPair of Heathkit W-5M Mono Bloc Power Amplifiers=Peerless Output Transformers $1,099.00 Kenwood L-05M Monoblock Power Amps pairKenwood L-05M Monoblock Power Amps pair $645.00
New ListingB&K Sonata M200 Mono Block Amplifier M-200 - Vintage Home Audio As-Is/UntestedNew ListingB&K Sonata M200 Mono Block Amplifier M-200 - Vintage Home Audio As-Is/Untested $445.00 Quad Ii 40 Watt Tube Mono Power Amp PairQuad Ii 40 Watt Tube Mono Power Amp Pair $1,600.00
Vintage Peri 50 Watt Power Tube Amplifier - For Restoration / Working mono ampVintage Peri 50 Watt Power Tube Amplifier - For Restoration / Working mono amp $439.00 The Fisher 510-St And 30-A Pair Of Mono El84 Tube Power Amplifiers 1960’sThe Fisher 510-St And 30-A Pair Of Mono El84 Tube Power Amplifiers 1960’s $600.00
Vintage Geloso G-227A El34 Pp tube mono amplifiers 1960sVintage Geloso G-227A El34 Pp tube mono amplifiers 1960s $1,750.00 Altec 1569A El-34 Mono Tube 80W Amplifier PairAltec 1569A El-34 Mono Tube 80W Amplifier Pair $2,500.00
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 Jolida Audio Fusion 3000 211 Monoblock Tube Power Amplifiers (200W)Jolida Audio Fusion 3000 211 Monoblock Tube Power Amplifiers (200W) $3,499.00
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Prices current as of last update, 01/26/25 6:20pm.

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