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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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Sd Sound A-302 Mono Power Amplifier Used Russia 6C33C-B Tube Otl AudioSd Sound A-302 Mono Power Amplifier Used Russia 6C33C-B Tube Otl Audio $5,951.55 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
Knight 25 Watt Basic Mono Power AmplifierKnight 25 Watt Basic Mono Power Amplifier $369.00 Fisher 80Az Mono Tube Amps &
00010000
 80C Preamp -Serviced & Working But Sold As-is.Fisher 80Az Mono Tube Amps & 00010000 80C Preamp -Serviced & Working But Sold As-is. $2,849.89
Hammond H-Ao-29-13 Mono Tube AmplifierHammond H-Ao-29-13 Mono Tube Amplifier $125.00 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
Western Electric/McIntosh A116 Monoblock Valve Amplifiers - Fully Rebuilt!Western Electric/McIntosh A116 Monoblock Valve Amplifiers - Fully Rebuilt! $3,499.00 Fisher 70Az Vintage Monoblock Mono Audio Amplifier (Sn 51267, sounds good)Fisher 70Az Vintage Monoblock Mono Audio Amplifier (Sn 51267, sounds good) $700.00
Vintage Pair of Rotel Rmb-100 Monoblokc Mono Block Power Amplifier AmpsVintage Pair of Rotel Rmb-100 Monoblokc Mono Block Power Amplifier Amps $800.00 Conrad Johnson Premier Five Mono BlocksConrad Johnson Premier Five Mono Blocks $3,200.00
6L6 Tube Mono amp for modifier fender guitar amp6L6 Tube Mono amp for modifier fender guitar amp $149.00 Hallicrafters A-84 Mono Power AmplifierHallicrafters A-84 Mono Power Amplifier $469.00
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 Vintage pair "Rca" Field Coil Mono Block "6F6" Amplifiers, Good Shape, Untested.Vintage pair "Rca" Field Coil Mono Block "6F6" Amplifiers, Good Shape, Untested. $51.00
Soundcraftsmen Amplifier Pcr-800 Made in Usa Powers On VintageSoundcraftsmen Amplifier Pcr-800 Made in Usa Powers On Vintage $349.99 Regency Hf-50 Tubes Mono Power Amp - PairRegency Hf-50 Tubes Mono Power Amp - Pair $2,500.00
Hafler Series 9130 Lateral Mosfet Stereo/Mono Block Power Amplifier Orig. BoxHafler Series 9130 Lateral Mosfet Stereo/Mono Block Power Amplifier Orig. Box $195.00 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
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 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
Rca Mi-9335B Mono Tube Power Amplifier (Worldwide Shipping)Rca Mi-9335B Mono Tube Power Amplifier (Worldwide Shipping) $2,200.00 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
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! $649.00
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 Interelectronics Coronation One Hundred 40 watt Broadcast Mono Tube AmplifierInterelectronics Coronation One Hundred 40 watt Broadcast Mono Tube Amplifier $1,199.99
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 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 $699.00
Kenwood L-O9M Mono Power Amps Amplifiers With Original Boxes And PackingKenwood L-O9M Mono Power Amps Amplifiers With Original Boxes And Packing $1,950.00 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 $299.98
Great Sound ! Vintage Kenwood L-07M Mono Block Power Amplifier (Item#2)Great Sound ! Vintage Kenwood L-07M Mono Block Power Amplifier (Item#2) $279.99 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
Altec A127A Amplifier Rwb Made Under Western ElectricAltec A127A Amplifier Rwb Made Under Western Electric $2,300.00 6С33с tube power amplifier, single ended  mono amplifiers6С33с tube power amplifier, single ended  mono amplifiers $1,855.00
Armstrong A10 High Fidelity Power Amplifier El37 -Rare Classic 1950's Valve AmpArmstrong A10 High Fidelity Power Amplifier El37 -Rare Classic 1950's Valve Amp $3,500.00 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
Knight Six Dial Mono Amplifier 1960sKnight Six Dial Mono Amplifier 1960s $169.99 Vintage Stromberg Carlson Tube Amplifier Amp Mono Model Aph-1030Vintage Stromberg Carlson Tube Amplifier Amp Mono Model Aph-1030 $100.00
Eico Power Audio Mono Amplifier Model Hf-20Eico Power Audio Mono Amplifier Model Hf-20 $350.00 Trans Electronics Rs-217A Mono Block Tube Power Amplifier Regulated Power SupplyTrans Electronics Rs-217A Mono Block Tube Power Amplifier Regulated Power Supply $649.99
Altec 1568A Vacuum Tube Mono Power Amplifier Used JpAltec 1568A Vacuum Tube Mono Power Amplifier Used Jp $1,399.99 Vintage Heathkit Mono Amplifier Model W4 Am Power Amp Works Tung Sol 5881Vintage Heathkit Mono Amplifier Model W4 Am Power Amp Works Tung Sol 5881 $400.00
Vintage Geloso G-227A El34 Pp tube mono amplifiers 1960sVintage Geloso G-227A El34 Pp tube mono amplifiers 1960s $1,750.00 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
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 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 $1,099.00
Heathkit W-5M power amplifier mono block Kt66 Peerless 16309 servicedHeathkit W-5M power amplifier mono block Kt66 Peerless 16309 serviced $680.00 Pre 1958 McIntosh Mc60 Mono Vacuum Tube Power Amplifier, Pro Serviced*Read*Pre 1958 McIntosh Mc60 Mono Vacuum Tube Power Amplifier, Pro Serviced*Read* $3,799.99
Stromberg Carlson Model Csa-1 Custom Stereo AmplifierStromberg Carlson Model Csa-1 Custom Stereo Amplifier $200.00 Dynaco Mark Ii Mono Power Amp 6550 Tubes Used Push-Pull Classic SoundDynaco Mark Ii Mono Power Amp 6550 Tubes Used Push-Pull Classic Sound $3,618.71
Scott 800 B Tube AmpScott 800 B Tube Amp $450.00 Pair of Heathkit W-5M Mono Bloc Power Amplifiers=Peerless Output TransformersPair of Heathkit W-5M Mono Bloc Power Amplifiers=Peerless Output Transformers $1,149.00
Fisher 80Az Mono Amplifiers Restored NiceFisher 80Az Mono Amplifiers Restored Nice $2,995.00 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
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 Mcintosh Mc30 Mono Tube Amplifier Restored Early Serial NumberMcintosh Mc30 Mono Tube Amplifier Restored Early Serial Number $2,495.00
Cm Laboratories Labs 911 Solid State Stereo Power Amplifier 200w Amp BeautyCm Laboratories Labs 911 Solid State Stereo Power Amplifier 200w Amp Beauty $749.00
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Prices current as of last update, 06/04/25 12:50am.

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