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|  | Dbx Mpa 150 Split Spectrum Mono Subwoofer Amplifier – Vintage Low-Frequency Powe $149.00 | |
 | Pair of Knight Kn632 El-34 Mono Bloc Power Amplifiers w/ Original Manual $1,099.00 | |
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|  | The Fisher 510-St And 30-A Pair Of Mono El84 Tube Power Amplifiers 1960’s $600.00 | |
 | Heathkit W-5M power amplifier mono block Kt66 Peerless 16309 serviced $680.00 | |
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|  | 6L6 Tube Mono amp for modifier fender guitar amp $149.00 | |
 | Vintage Mono Peri 50 Watt Power Amplifier El37 Tubes For Restoration Single $700.00 | |
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|  | Vintage Heathkit W-5M Mono Tube Power Amplifier Amp Peerless El34 Works $450.00 | |
 | Dynaco Mark Iii 60 Watt Mono Vacuum Tube Power Amplifiers $1,499.99 | |
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|  | Pair Quad Ii Classic Vacuum Tube Type Power Amplifier Vintage Audio Mono Blocks $2,200.00 | |
 | Vintage Eico Hf-14 Mono Tube Power Amplifier in Good Working Condition $349.00 | |
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|  | Nec M-50 single/mono/subwoofer/ful l range audio power amplifier $750.00 | |
 | Fisher Sa-100 Vintage Monoblock Mono Audio Amplifier + Manual (sounds good) $1,000.00 | |
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|  | 6С33с tube power amplifier, single ended mono amplifiers $1,855.00 | |
 | Vintage General Electric Tube Power Amplifier Mono Block A1-300 Parts or Repair $995.00 | |
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|  | Vtl Deluxe 120 Tube Mono Power Amplifier Amp Works Manley Western Electric 807 $950.00 | |
 | Craftsmen C550 (550) High-Fidelity Mono Power Amplifier=Nice Original! $649.00 | |
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|  | Dynaco Mark Iii Mono Block Tube Power Amplifier Pair With Cages! $1,999.00 | |
 | Pair of Heathkit W-5M Mono Bloc Power Amplifiers=Peerless Output Transformers $1,149.00 | |
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|  | McIntosh Mc30 Vacuum Tube Mono Power Amplifier free ship vintage audio $2,853.43 | |
 | Vintage Stromberg Carlson Tube Amplifier Amp Mono Model Aph-1030 $100.00 | |
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|  | Sd Sound A-302 Mono Power Amplifier Used Russia 6C33C-B Tube Otl Audio $5,951.55 | |
 | Operation confirmation incomplete Luxman Tube Amp Mb3045 Mono Power Amplifier Jp $1,298.99 | |
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|  | Single - Kenwood L-07M Mono Block Amplifier $510.00 | |
 | Vintage Power tube amplifier made in Italy 6J7 79 6V6 5Z3 Rare Mono Amp one $1,500.00 | |
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|  | Mono Power Amplifier Pair Used Hi-Fi Audiophile Audio Equipment $1,661.39 | |
 | Power Amplifier Vintage Ducati Tube 5X4 6L6 ( Kt66 ) 6J7 6N7 Mono Stereo Amp $1,750.00 | |
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|  | Dynaco Mark Ii Mono Power Amp 6550 Tubes Used Push-Pull Classic Sound $3,618.71 | |
 | Altec 1568A Vacuum Tube Mono Power Amplifier Used Jp $1,399.99 | |
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|  | Knight 25 Watt Basic Mono Power Amplifier $332.10 | |
 | extremely rare vintage Thor Tpa 30 valve tube mono block pre - power amplifier $6,250.00 | |
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|  | Hafler Dh-220 Power Amplifier Bridged for Mono, Over300 Watts Rms + Upgrades! $600.00 | |
 | vintage Heathkit W5-M mono Kt66 tube amp amplifier -working- $59.00 | |
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|  | 1950s Rca Mono vintage power amplifier for parts does not power up. $100.00 | |
 | Pioneer Elite🌈M-90 Stereo Amplifier 200W/Ch Hifi Dual Mono + 30-Day Guarantee $1,820.00 | |
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|  | Fisher 70Az Vintage Monoblock Mono Audio Amplifier (Sn 51267, sounds good) $700.00 | |
 | Great Sound ! Vintage Kenwood L-07M Mono Block Power Amplifier (Item#2) $279.99 | |
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|  | Kenwood L-07M Mono Block Amp, For Parts or Repair $160.17 | |
 | 2A3 Pp Hk-9 Vacuum Tube Working Mono Power Amplifier Set of 2 Vacuum Tube $3,690.00 | |
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|  | George Gott G 30U Biggs of California Mono Tubes Power Amp - Pair $1,400.00 | |
 | Vintage Pair of Rotel Rmb-100 Monoblokc Mono Block Power Amplifier Amps $800.00 | |
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|  | Waiting Audio 2A3 single ended class-A tube power amplifier (mono-mono) $1,480.00 | |
 | Pre 1958 McIntosh Mc60 Mono Vacuum Tube Power Amplifier, Pro Serviced*Read* $3,799.99 | |
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|  | Vintage Nos Threshold Sa-1 Mono Block Power Amplifier Pair - Ready to Use $8,999.00 | |
 | Kenwood L-O7C / L-Om9 Preamplifier & Mono Power Amplifiers (super clean) $3,000.00 | |
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|  | Dynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair restored upgraded $6,695.00 | |
 | Fisher 80Az Mono Tube Amps & 80C Preamp -Serviced & Working But Sold As-is. $2,849.89 | |
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|  | Manley 175 Mono block Power Amplifier $6,000.00 | |
 | Trans Electronics Rs-217A Mono Block Tube Power Amplifier Regulated Power Supply $699.99 | |
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|  | Hallicrafters A-84 Mono Power Amplifier $469.00 | |
 | Vintage Threshold Sa/12e Statis Pure Class A Mono Block Power Amplifier Amp Pair $8,500.00 | |
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|  | Eico Power Audio Mono Amplifier Model Hf-20 $350.00 | |
 | Knight Six Dial Mono Amplifier 1960s $169.99 | |
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|  | Regency Hf-50 Tubes Mono Power Amp - Pair $2,500.00 | |
 | Mcintosh Mc30 Mono Tube Amplifier Restored Early Serial Number $2,495.00 | |
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|  | Conrad Johnson Premier Five Mono Blocks $3,200.00 | |
 | Hammond H-Ao-29-13 Mono Tube Amplifier $125.00 | |
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|  | Altec 1569a pair Mono Block Power Amplifiers -needs repair - Vot $1,600.00 | |
 | Vintage Heathkit Mono Amplifier Model W4 Am Power Amp Works Tung Sol 5881 $400.00 | |
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|  | Marantz Ma-6100 Mono Amp $200.00 | |
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| Click to see more Mono items at www.ebay.com
Prices current as of last update, 05/28/25 4:03am.
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