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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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Vintage Geloso G-227A El34 Pp tube mono amplifiers 1960sVintage Geloso G-227A El34 Pp tube mono amplifiers 1960s $1,750.00 Fisher Sa-100 Vintage Monoblock Mono Audio Amplifier + Manual (sounds good)Fisher Sa-100 Vintage Monoblock Mono Audio Amplifier + Manual (sounds good) $1,000.00
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 Mx110 Vacuum Tube Tuner Preamp "z-series From vintage audio collection Very NiceMx110 Vacuum Tube Tuner Preamp "z-series From vintage audio collection Very Nice $1,195.00
Quad Ii | Mono Tube Amplifier | Pair | WorldwideShippingQuad Ii | Mono Tube Amplifier | Pair | WorldwideShipping $2,580.00 Sophia Electric Kt88 tube amplifier, Magical sound with Lots of power, WesternSophia Electric Kt88 tube amplifier, Magical sound with Lots of power, Western $4,999.99
Vintage Threshold Sa/12e Statis Pure Class A Mono Block Power Amplifier Amp PairVintage Threshold Sa/12e Statis Pure Class A Mono Block Power Amplifier Amp Pair $8,500.00 x1 Mcintosh 20W-2 20W2 6V6 12Ax7 5Ar4 Mono Tube Power Amp Amplifierx1 Mcintosh 20W-2 20W2 6V6 12Ax7 5Ar4 Mono Tube Power Amp Amplifier $1,757.50
Pair of Heathkit W-5M Mono Bloc Power Amplifiers=Peerless Output TransformersPair of Heathkit W-5M Mono Bloc Power Amplifiers=Peerless Output Transformers $1,229.00 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
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 Craftsmen C550 (550) High-Fidelity Mono Power Amplifier=Nice Original!Craftsmen C550 (550) High-Fidelity Mono Power Amplifier=Nice Original! $699.00
McIntosh Mc-60 Tube Mono Power Amplifier, 30 75 240 275McIntosh Mc-60 Tube Mono Power Amplifier, 30 75 240 275 $1,999.00 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
Ampex 8102 Mono Tube Power Amp - Needs Output XfmrAmpex 8102 Mono Tube Power Amp - Needs Output Xfmr $110.00 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 $749.00
Rca Mi-9335B Mono Tube Power Amplifier (Worldwide Shipping)Rca Mi-9335B Mono Tube Power Amplifier (Worldwide Shipping) $2,200.00 Western Electric/McIntosh A116 Monoblock Valve Amplifiers - Fully Rebuilt!Western Electric/McIntosh A116 Monoblock Valve Amplifiers - Fully Rebuilt! $3,499.00
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 Altec 1569A El-34 Mono Tube 80W Amplifier PairAltec 1569A El-34 Mono Tube 80W Amplifier Pair $2,500.00
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 Vintage Power tube amplifier made in Italy 6J7 79 6V6 5Z3 Rare Mono Amp oneVintage Power tube amplifier made in Italy 6J7 79 6V6 5Z3 Rare Mono Amp one $1,500.00
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 Great Sound ! Vintage Kenwood L-07M Mono Block Power Amplifier (Item#2)Great Sound ! Vintage Kenwood L-07M Mono Block Power Amplifier (Item#2) $329.99
Altec A127A Amplifier Rwb Made Under Western ElectricAltec A127A Amplifier Rwb Made Under Western Electric $2,300.00 Hallicrafters A-84 Mono Power AmplifierHallicrafters A-84 Mono Power Amplifier $549.00
Knight Six Dial Mono Amplifier 1960sKnight Six Dial Mono Amplifier 1960s $199.99 Magnavox mono 4 - 6v6, 2- 5y3, 12ax7 plays well ,HeavyMagnavox mono 4 - 6v6, 2- 5y3, 12ax7 plays well ,Heavy $71.00
Vtl Deluxe 120 Tube Mono Power Amplifier Amp Works Manley Western Electric 807Vtl Deluxe 120 Tube Mono Power Amplifier Amp Works Manley Western Electric 807 $950.00 Mcintosh Mc30 Mono Block Pair Restored NiceMcintosh Mc30 Mono Block Pair Restored Nice $4,995.00
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 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
Sound Sales Tri-Channel Valves Amplifiers MkV El34 El84 and Pcl83 Extemely RareSound Sales Tri-Channel Valves Amplifiers MkV El34 El84 and Pcl83 Extemely Rare $8,000.00 McIntosh Mc2205 Power Amplifier & Box (Serviced & Recapped)McIntosh Mc2205 Power Amplifier & Box (Serviced & Recapped) $4,649.95
Quad Ii Valve Kt66 Power Mono Amplifiers. Quad 22 Stereo Control unit , + Am IiQuad Ii Valve Kt66 Power Mono Amplifiers. Quad 22 Stereo Control unit , + Am Ii $1,500.00 Pair of Knight Kn632 El-34 Mono Bloc Power Amplifiers w/ Original ManualPair of Knight Kn632 El-34 Mono Bloc Power Amplifiers w/ Original Manual $1,249.00
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 Heathkit W-5M Mono Tube Power Amplifier Amp Peerless El34 WorksVintage Heathkit W-5M Mono Tube Power Amplifier Amp Peerless El34 Works $450.00
Nec M-50 single/mono/subwoofer/ful l range audio power amplifierNec M-50 single/mono/subwoofer/ful l range audio power amplifier $750.00 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
Knight 25 Watt Basic Mono Power AmplifierKnight 25 Watt Basic Mono Power Amplifier $369.00 Aragon 4004 Markii Dual Mono Stereo Power Amplifier Excellent ConditionAragon 4004 Markii Dual Mono Stereo Power Amplifier Excellent Condition $459.00
Stromberg Carlson Model Csa-1 Custom Stereo AmplifierStromberg Carlson Model Csa-1 Custom Stereo Amplifier $200.00 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 $2,080.00
Pre 1958 McIntosh Mc60 Mono Vacuum Tube Power Amplifier, Pro Serviced*Read*Pre 1958 McIntosh Mc60 Mono Vacuum Tube Power Amplifier, Pro Serviced*Read* $3,900.00 Interelectronics Coronation One Hundred 40 watt Broadcast Mono Tube AmplifierInterelectronics Coronation One Hundred 40 watt Broadcast Mono Tube Amplifier $799.99
6С33с tube power amplifier, single ended  mono amplifiers6С33с tube power amplifier, single ended  mono amplifiers $1,855.00 Marantz 9 Mono Block Tube AmplifiersMarantz 9 Mono Block Tube Amplifiers $20,500.00
Bell 2360 mono integrated amp, fair+ conditionBell 2360 mono integrated amp, fair+ condition $232.50 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
Fisher 70Az Vintage Monoblock Mono Audio Amplifier (Sn 56938, sounds good)Fisher 70Az Vintage Monoblock Mono Audio Amplifier (Sn 56938, sounds good) $650.00 Mcintosh Mc30 Mono Tube Amplifier Restored Early Serial NumberMcintosh Mc30 Mono Tube Amplifier Restored Early Serial Number $2,495.00
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 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
Dynaco Mark Iii 60 Watt Mono Vacuum Tube Power AmplifiersDynaco Mark Iii 60 Watt Mono Vacuum Tube Power Amplifiers $1,699.99 Hughey & Phillips model La-430A Tube Amp Amplifier Ge 6Dz7, Rca 7025, Rca 7199Hughey & Phillips model La-430A Tube Amp Amplifier Ge 6Dz7, Rca 7025, Rca 7199 $699.00
Quad Ii Tube Amplifiers Mono Blocks and PreamplifierQuad Ii Tube Amplifiers Mono Blocks and Preamplifier $5,000.00 Restored Pair of Kenwood L-07M Monoblock Amplifiers - Lot of 2 AmpsRestored Pair of Kenwood L-07M Monoblock Amplifiers - Lot of 2 Amps $1,075.00
Operation confirmation incomplete Luxman Tube Amp Mb3045 Mono Power Amplifier JpOperation confirmation incomplete Luxman Tube Amp Mb3045 Mono Power Amplifier Jp $1,298.99 Vintage Stromberg Carlson Tube Amplifier Amp Mono Model Aph-1030Vintage Stromberg Carlson Tube Amplifier Amp Mono Model Aph-1030 $100.00
Altec 1568A Vacuum Tube Mono Power Amplifier Used JpAltec 1568A Vacuum Tube Mono Power Amplifier Used Jp $1,399.99
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Prices current as of last update, 04/21/25 6:50pm.

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