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Power Amplifiers

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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Rare Bogen Tube Power Amplifier - Golden Age HiFi - Do110 - 6V6Gt 6Sn7Rare Bogen Tube Power Amplifier - Golden Age HiFi - Do110 - 6V6Gt 6Sn7 $450.00 General Electric Tube Reverb Amplifier w/Tubes Powers UpGeneral Electric Tube Reverb Amplifier w/Tubes Powers Up $89.99
Vintage Tube Power Amplifier Acrosound To-310 Utc, Thordarson TransformersVintage Tube Power Amplifier Acrosound To-310 Utc, Thordarson Transformers $399.99 Vintage Mitsubishi Da-A10Dc Stereo Power AmplifierVintage Mitsubishi Da-A10Dc Stereo Power Amplifier $144.50
Columbia Vintage Solid State Stereo Amplifier Model 2734 Made In Japan Rare 25 WColumbia Vintage Solid State Stereo Amplifier Model 2734 Made In Japan Rare 25 W $22.97 Dynaco St-35 Amplifier with David Gillespie St35 Efb boards and Power SupplyDynaco St-35 Amplifier with David Gillespie St35 Efb boards and Power Supply $480.00
Dynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair restored upgradedDynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair restored upgraded $6,695.00 Watch Video-Dynaco St 150 power amplifier-One Channel Does Not Work-For PartsWatch Video-Dynaco St 150 power amplifier-One Channel Does Not Work-For Parts $220.00
Adcom Gfa-535 Stereo Power Amplifier Excellent Made In UsaAdcom Gfa-535 Stereo Power Amplifier Excellent Made In Usa $142.50 Sovtek - electron tube - power vaccum tube - amplifiers / amps - made in RussiaSovtek - electron tube - power vaccum tube - amplifiers / amps - made in Russia $18.99
New ListingThe image shows a Luxman Mq-36 Vacuum Tube Stereo AmplifierNew ListingThe image shows a Luxman Mq-36 Vacuum Tube Stereo Amplifier $500.00 Elwin Electronics Golden Hooker Bilinear Amplifier C/B Radio For Parts OnlyElwin Electronics Golden Hooker Bilinear Amplifier C/B Radio For Parts Only $149.99
Grundig Nf2 Stereo Tube power amp El84's Vintage Fully functionalGrundig Nf2 Stereo Tube power amp El84's Vintage Fully functional $500.00 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
Vintage Crown Dc-300r Amplifier Working Condition Made In usaVintage Crown Dc-300r Amplifier Working Condition Made In usa $50.00 Factory Matched Quad Electro-Harmonix El34 Eh 6Ca7 Eh Big Bottle For tube ampsFactory Matched Quad Electro-Harmonix El34 Eh 6Ca7 Eh Big Bottle For tube amps $199.00
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 Nice Fisher Ba-3000 Studio Standard Vintage Amplifier 65 WpcNice Fisher Ba-3000 Studio Standard Vintage Amplifier 65 Wpc $138.57
Dukane 250 Audio Amplifier industrial Amp 1A4250Dukane 250 Audio Amplifier industrial Amp 1A4250 $149.00 Fisher Sa-100 Stereo Tube Power Amplifier "The Fisher"Fisher Sa-100 Stereo Tube Power Amplifier "The Fisher" $999.99
Sun Valley Sv- 1616D Stereo AmpSun Valley Sv- 1616D Stereo Amp $1,899.00 MesaBoogie Stereo Simul-Class 2:Ninety All Tube Power AmpMesaBoogie Stereo Simul-Class 2:Ninety All Tube Power Amp $550.00
Sherwood S 402 Cp Integrated Stereo AmplifierSherwood S 402 Cp Integrated Stereo Amplifier $179.00 Luxman Kmq8 Vacuum Tube Stereo Power Amplifier Vintage Used Ac100VLuxman Kmq8 Vacuum Tube Stereo Power Amplifier Vintage Used Ac100V $717.25
Estate* Pair Of Rack Mount Amps Precision Electronics Micro 30-Xlr ~You TubeEstate* Pair Of Rack Mount Amps Precision Electronics Micro 30-Xlr ~You Tube $39.99 Vintage Rca Model 400 Projector Tube Amplifier P/P 6V6 (1948) Powers Up! Clean!Vintage Rca Model 400 Projector Tube Amplifier P/P 6V6 (1948) Powers Up! Clean! $149.99
Vintage Rowe Stereo Tube Power Amp 50 Watts Great Worked Condition. W/Tested.Vintage Rowe Stereo Tube Power Amp 50 Watts Great Worked Condition. W/Tested. $493.00 Rare Huge Vintage Fisher Model Sa-1000 Stereo Tube Power Amplifier with CageRare Huge Vintage Fisher Model Sa-1000 Stereo Tube Power Amplifier with Cage $4,400.00
Dynaco Mark Iii tube amps tested work w/new Sds Labs Quad Caps & Replace BoardsDynaco Mark Iii tube amps tested work w/new Sds Labs Quad Caps & Replace Boards $1,095.00 Mesa/Boogie Fifty/Fifty Stereo Tube Power Amplifier –Classic Rackmount Tube ToneMesa/Boogie Fifty/Fifty Stereo Tube Power Amplifier –Classic Rackmount Tube Tone $725.00
1963 Dynaco Stereo 35 Tube Amplifier • Non Smoking • Sounds Amazing1963 Dynaco Stereo 35 Tube Amplifier • Non Smoking • Sounds Amazing $949.99 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
Marantz Model 9 Tube Power Amplifier Reissue Pair – Ac100V – Excellent ConditionMarantz Model 9 Tube Power Amplifier Reissue Pair – Ac100V – Excellent Condition $8,399.99 Push Pull 6V6 Brunswick Bj6836 Tube Amp & Power Supply +Schematic As Is UntestedPush Pull 6V6 Brunswick Bj6836 Tube Amp & Power Supply +Schematic As Is Untested $34.95
Phase Linear 400 Laboratory Standard Amplifier with Wood Case UsedPhase Linear 400 Laboratory Standard Amplifier with Wood Case Used $499.99 Marantz 8b Stereophonic Tube Power Amplifier 60's Original 8-9366Marantz 8b Stereophonic Tube Power Amplifier 60's Original 8-9366 $2,999.98
Vintage McIntosh Mc-240 40 Wpc Tube Power Amplifier (1960-1969) Made in UsaVintage McIntosh Mc-240 40 Wpc Tube Power Amplifier (1960-1969) Made in Usa $3,499.98 Rare Vtg Carver Tfm-55X Power Amplifer 380 Watts Per Channel Monster AudiophileRare Vtg Carver Tfm-55X Power Amplifer 380 Watts Per Channel Monster Audiophile $411.00
Elekit Tu-8200Tk vacuum tube Stereo Power Amplifier from japanElekit Tu-8200Tk vacuum tube Stereo Power Amplifier from japan $798.00 Rare Vintage Bell Carillon Model 6060 Tube Amplifier *Powers On Untested ReadRare Vintage Bell Carillon Model 6060 Tube Amplifier *Powers On Untested Read $999.99
Heathkit W-5M Vacuum Tube Power Amplifier (Pair) Monaural Vintage Getting ScarceHeathkit W-5M Vacuum Tube Power Amplifier (Pair) Monaural Vintage Getting Scarce $577.00 6С33с tube power amplifier, single ended  mono amplifiers6С33с tube power amplifier, single ended  mono amplifiers $1,855.00
Realistic Sa-101 31-1983 Solid State Stereo Amplifier - Powers Up/UntestedRealistic Sa-101 31-1983 Solid State Stereo Amplifier - Powers Up/Untested $40.00 Vtg 1950's Gec Uk El34 Power Amplifier Pre-Amp Brimar Tube Partridge TransformerVtg 1950's Gec Uk El34 Power Amplifier Pre-Amp Brimar Tube Partridge Transformer $5,149.00
Realistic Saf 24B Tube Power Amplifier. Serviced. New TubesRealistic Saf 24B Tube Power Amplifier. Serviced. New Tubes $439.66 Vintage Dynaco Stereo 120 (1971-72) Stereo Power Amplifier - See DetailsVintage Dynaco Stereo 120 (1971-72) Stereo Power Amplifier - See Details $119.99
Fisher Stereo Dc Power Amplifier Ba-9000 (Works)Fisher Stereo Dc Power Amplifier Ba-9000 (Works) $149.95 Scientific Atlanta Series 1580 Dc Amplifier Dca 270Scientific Atlanta Series 1580 Dc Amplifier Dca 270 $116.99
Vintage Tube Pair Amplifiers 6Gt5 Theater Licensed By Western ElectricVintage Tube Pair Amplifiers 6Gt5 Theater Licensed By Western Electric $850.00 Dynaco Stereo 120 Power Amplifier 400 Watts Max Tested & WorkingDynaco Stereo 120 Power Amplifier 400 Watts Max Tested & Working $299.99
Vintage Dynaco 120 Stereo Power AmplifierVintage Dynaco 120 Stereo Power Amplifier $85.00 Mint Jj Electronics El34 Guitar Amp Power TubeMint Jj Electronics El34 Guitar Amp Power Tube $27.68
Antique 1930s or 1940s Tube Amplifier Quad 2A3 w/ Tube Cage / Cover Pa / Organ?Antique 1930s or 1940s Tube Amplifier Quad 2A3 w/ Tube Cage / Cover Pa / Organ? $500.00 tube power amplifiertube power amplifier $1,400.00
Dynaco Sca-35 Stereo Tube Amplifier - Working FineDynaco Sca-35 Stereo Tube Amplifier - Working Fine $635.00 Vintage Dynaco Stereo 120 Power Amplifier - Tested Works * see description!*Vintage Dynaco Stereo 120 Power Amplifier - Tested Works * see description!* $275.00
Vintage Amd (Claricon)? Public Address Tube Amplifier Model 44-500Vintage Amd (Claricon)? Public Address Tube Amplifier Model 44-500 $60.00 Conrad Johnson Lp-70S Tube Power Amplifier Brand New In Unopened Master CartonConrad Johnson Lp-70S Tube Power Amplifier Brand New In Unopened Master Carton $3,500.00
Dynaco Dynakit Stereo 70 Vintage Tube Amplifier Powers Up Complete? UntestedDynaco Dynakit Stereo 70 Vintage Tube Amplifier Powers Up Complete? Untested $122.50 Factory Matched Quad Mullard El84 El-84 6Bq5 For Tube AmplifiersFactory Matched Quad Mullard El84 El-84 6Bq5 For Tube Amplifiers $141.00
New ListingSingle Vg McIntosh Mc75 Mc-75 Kt-88 Tube Mono Block Power AmplifierNew ListingSingle Vg McIntosh Mc75 Mc-75 Kt-88 Tube Mono Block Power Amplifier $2,095.00 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
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Prices current as of last update, 07/20/25 3:50am.

See also...
Mono, Power Amplifiers, Amplifiers, Tube Amps, Vintage Electronics
Stereo, Power Amplifiers, Amplifiers, Tube Amps, Vintage Electronics

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