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 |  | Vintage Mono Peri 50 Watt Power Amplifier El37 Tubes For Restoration Single $700.00 |  |
 | Vintage Heathkit Mono Amplifier Model W4 Am Power Amp Worked A Couple Years Ago $169.98 |  |
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 |  | Altec A127A Amplifier Rwb Made Under Western Electric $2,300.00 |  |
 | Manley 175 Mono block Power Amplifier $4,000.00 |  |
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 |  | Vintage Threshold Sa/12e Statis Pure Class A Mono Block Power Amplifier Amp Pair $8,500.00 |  |
 | Fisher 70Az Vintage Monoblock Mono Audio Amplifier (Sn 56938, sounds good) $520.00 |  |
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 |  | Fisher 80Az Mono Tube Amps & 80C Preamp -Serviced & Working But Sold As-is. $2,849.89 |  |
 | Craftsmen C550 (550) High-Fidelity Mono Power Amplifier=Nice Original! $599.00 |  |
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 |  | Altec 1568A Vacuum Tube Mono Power Amplifier Used Jp $1,399.99 |  |
 | Regency Hf-50 Tubes Mono Power Amp - Pair $2,500.00 |  |
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 |  | Carver 'Black Beauty' 305 Vacuum Tube Mono-Block Power Amplifiers - Rare $7,500.00 |  |
 | Interelectronics Coronation One Hundred 40 watt Broadcast Mono Tube Amplifier $1,499.99 |  |
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 |  | Vintage Nos Threshold Sa-1 Mono Block Power Amplifier Pair - Ready to Use $8,999.00 |  |
 | Bogen 50 s High Fidelity Tube Amplifier from vintage audio collection Nice $195.00 |  |
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 |  | Vintage Heathkit W-5M Mono Tube Power Amplifier Amp Peerless El34 Works $450.00 |  |
 | Fisher 80Az Mono Amplifiers Restored Nice $2,995.00 |  |
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 |  | Dynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair restored upgraded $6,000.00 |  |
 | Knight 25 Watt Basic Mono Power Amplifier $369.00 |  |
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 |  | Pair Quad Ii Classic Vacuum Tube Type Power Amplifier Vintage Audio Mono Blocks $2,200.00 |  |
 | Vintage Heathkit Mono Amplifier Model W4 Am Power Amp Works Tung Sol 5881 $400.00 |  |
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 |  | Waiting Audio 2A3 single ended class-A tube power amplifier (mono-mono) $1,480.00 |  |
 | Knight Six Dial Mono Amplifier 1960s $169.99 |  |
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 |  | Allen Organ Amplifier Model T-100 Mos-1 mono block $125.00 |  |
 | Vtg Luxman M-02 Duo-Beta/S Power Amplifier 140 Watts Stereo / 300 Watts Mono $899.00 |  |
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 |  | Vintage Eico Hf-14 Mono Tube Power Amplifier in Good Working Condition $349.00 |  |
 | Conrad Johnson Premier Five Mono Blocks $3,200.00 |  |
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 |  | Vintage Stromberg Carlson Tube Amplifier Amp Mono Model Aph-1030 $100.00 |  |
 | 2A3 Pp Hk-9 Vacuum Tube Working Mono Power Amplifier Set of 2 Vacuum Tube $3,505.50 |  |
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 | ![New ListingLuxman Mb-3045 Vacuum Tube Power Amplifier Pair Set of 2 Used[Very Good]](https://i.ebayimg.com/images/g/pe8AAeSwJEZoX~H7/s-l140.jpg) | New ListingLuxman Mb-3045 Vacuum Tube Power Amplifier Pair Set of 2 Used[Very Good] $2,992.99 |  |
 | Scott 240 Laboratory Series Mono Block Pair2 Tube Power Amplifiers Just Serviced $2,799.99 |  |
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 |  | Hallicrafters A-84 Mono Power Amplifier $429.00 |  |
 | Altec A333A High-Fidelity Mono Power Amplifier=Nice! Please Read! $1,399.00 |  |
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 |  | Rca Mi-9335B Mono Tube Power Amplifier (Worldwide Shipping) $2,200.00 |  |
 | Stromberg Carlson Ap-80 Mono Block 6550 tubes Power Amplifier $549.95 |  |
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 |  | Exceptional McIntosh Mc50 Solid State Mono block Amplifier $795.00 |  |
 | Western Electric/McIntosh A116 Monoblock Valve Amplifiers - Fully Rebuilt! $3,299.00 |  |
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 |  | Great Sound ! Vintage Kenwood L-07M Mono Block Power Amplifier (Item#2) $279.99 |  |
 | Pre 1958 McIntosh Mc60 Mono Vacuum Tube Power Amplifier, Pro Serviced*Read* $3,799.99 |  |
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 |  | The Fisher 510-St And 30-A Pair Of Mono El84 Tube Power Amplifiers 1960’s $600.00 |  |
 | Dynaco Mark Iii Mono Block Tube Power Amplifier Pair With Cages! $1,999.00 |  |
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 |  | Dynaco Mark Vi Professional Power Amplifiers = Factory Wired! $3,999.00 |  |
 | Crown Dc-300A Vintage Monster Amplifier (Circa 1968) Tech Tested & Owned/Manual $699.99 |  |
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 |  | 6С33с tube power amplifier, single ended mono amplifiers $1,855.00 |  |
 | Mcintosh Mc30 Mono Tube Amplifier Restored Early Serial Number $2,495.00 |  |
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 |  | Pair of Heathkit W-5M Mono Bloc Power Amplifiers=Peerless Output Transformers $1,149.00 |  |
 | Vintage Geloso G-227A El34 Pp tube mono amplifiers 1960s $1,750.00 |  |
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 |  | Rca Mi-12222-B Vintage Mono Tube Amplifier from vintage audio collection Nice $595.00 |  |
 | Trans Electronics Rs-217A Mono Block Tube Power Amplifier Regulated Power Supply $449.99 |  |
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 |  | Vintage General Electric Tube Power Amplifier Mono Block A1-300 Parts or Repair $995.00 |  |
 | McIntosh Mc60 Tube Mono Block Power Amplifier Working Survivor For Restoration $810.00 |  |
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 |  | Restored Luxman Lux Mb8A, Mb8-A Vacuum Tube Mono Power Amplifier Pair Japan Jp $2,320.63 |  |
 | 6L6 Tube Mono amp for modifier fender guitar amp $149.00 |  |
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 |  | Dynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair $3,800.00 |  |
 | George Gott G 30U Biggs of California Mono Tubes Power Amp - Pair $1,400.00 |  |
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 |  | McIntosh Mc30 Vacuum Tube Mono Power Amplifier free ship vintage audio $2,199.45 |  |
 | Pioneer Elite M-90 Stereo Amplifier 200W/Ch Hifi Dual Mono + 30-Day Guarantee $1,820.00 |  |
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| Click to see more Mono items at www.ebay.com
Prices current as of last update, 06/28/25 10:50pm.
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