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|  | Fisher 80Az Mono Tube Amps & 80C Preamp -Serviced & Working But Sold As-is. $2,849.89 | |
 | Longfield Sl 15 Power-amp Mono block Vacuum Tube 6L6 for Altec/ Tannoy speaker $3,185.82 | |
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|  | Hallicrafters A-84 Mono Power Amplifier $399.00 | |
 | Dynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair $3,800.00 | |
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|  | Restored Luxman Lux Mb8A, Mb8-A Vacuum Tube Mono Power Amplifier Pair Japan Jp $2,046.21 | |
 | Scott 240 Laboratory Series Mono Block Pair2 Tube Power Amplifiers Just Serviced $2,799.99 | |
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|  | Pair Quad Ii Classic Vacuum Tube Type Power Amplifier Vintage Audio Mono Blocks $2,200.00 | |
 | Trans Electronics Rs-217A Mono Block Tube Power Amplifier Regulated Power Supply $449.99 | |
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|  | Vintage Mono Peri 50 Watt Power Amplifier El37 Tubes For Restoration Single $700.00 | |
 | McIntosh Mono Tube Amplifier Mc30 Beautiful $3,583.66 | |
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|  | Pre 1958 McIntosh Mc60 Mono Vacuum Tube Power Amplifier, Pro Serviced*Read* $3,799.99 | |
 | Grommes Model 260 Tube Mono Power Amplifier Rare Kt88 6550 Audiophile 5U4 Kt66 $1,200.00 | |
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|  | Rare Vintage Pair of Quicksilver 8417 Mono Amp 60W Tube Amplifier w/ Rare Cages $3,399.99 | |
 | Dynaco Mark Iii Mono Block Tube Power Amplifier Pair 100-117V 50/60Hz Used Japan $1,980.00 | |
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|  | The Fisher One 510-St And One 30-A Mono El84 Tube Power Amplifiers 1960’s | |
 | McIntosh Mc-3500 - Rare - 350 Wpc Mono-block Tube Power Amplifiers $45,000.00 | |
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|  | Vintage Heathkit W-5M Mono Tube Power Amplifier Amp Peerless El34 Works $450.00 | |
 | Uesugi U Bros-3 Vacuum Tube Type Stereo Mono Power Amplifier Ac 100V Working $1,628.85 | |
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|  | Quad Ii Tube Amplifiers Mono Blocks and Preamplifier $5,000.00 | |
 | Altec 1568A Vacuum Tube Mono Power Amplifier Used Jp $1,399.99 | |
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|  | Pioneer Elite M-90 Stereo Amplifier 200W/Ch Hifi Dual Mono + 30-Day Guarantee $1,820.00 | |
 | New ListingPioneer Elite M91 Stereo Amplifier 200W/Ch Top Hifi Dual Mono + 30-Day Guarantee $2,080.00 | |
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|  | Eico Power Audio Mono Amplifier Model Hf-20 $350.00 | |
 | Vintage Heathkit Mono Amplifier Model W4 Am Power Amp Worked A Couple Years Ago $109.98 | |
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|  | dynaco Mark-Iii mono vacuum tube power amplifiers Kt-88, 60W p.p. (4Ω, 8Ω, 16Ω) $1,750.00 | |
 | Vtg Luxman M-02 Duo-Beta/S Power Amplifier 140 Watts Stereo / 300 Watts Mono $849.00 | |
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|  | Toa 900 Series Ii P-906Mk2 60 Watt Mono Power Amplifier $35.99 | |
 | Interelectronics Coronation One Hundred 40 watt Broadcast Mono Tube Amplifier $1,199.99 | |
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|  | Philips mono tube / valve amplifier pair El6425 with El36 Ecc83 in 19' mounts $499.00 | |
 | Bell 2200C Tube Mono Power Amplifiers 6L6 Rare Audiophile Amp Restored 6L6 6Sn7 $1,100.00 | |
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|  | Rca Mi-12222-B Vintage Mono Tube Amplifier from vintage audio collection Nice $595.00 | |
 | Dynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair restored upgraded $6,695.00 | |
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|  | Bogen 50 s High Fidelity Tube Amplifier from vintage audio collection Nice $195.00 | |
 | Dynaco Mark Vi Professional Power Amplifiers = Factory Wired! $3,699.00 | |
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|  | Mcintosh Mc30 Mono Tube Amplifier Restored Early Serial Number $2,495.00 | |
 | Regency Hf-50 Tubes Mono Power Amp - Pair $2,500.00 | |
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|  | Sparton Amplifier/Power Supply Clean! Powers Up Properly! (1920's) $139.99 | |
 | Pair (2) Ex Rare Altec A-25B Mono Tube Amplifiers + Exl 275 Psu Western Electric $9,999.00 | |
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|  | Craftsmen C550 (550) High-Fidelity Mono Power Amplifier=Nice Original! $599.00 | |
 | Heathkit tube stereo 1 Sp-2 preamp & 2 Ua-2 mono block power amps with tubes $550.00 | |
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|  | Waiting Audio 2A3 single ended class-A tube power amplifier (mono-mono) $1,480.00 | |
 | Vintage Eico Hf-14 Mono Tube Power Amplifier in Good Working Condition $349.00 | |
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|  | Dynaco Mark Iii Mono Block Tube Power Amplifier Pair With Cages! $1,999.00 | |
 | Conrad Johnson Premier Five Mono Blocks $3,200.00 | |
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|  | George Gott G 30U Biggs of California Mono Tubes Power Amp - Pair $1,400.00 | |
 | Rare: Pilotone Aa-906 Tube Mono Power Amplifier, McIntosh Mc60 Mc75, Works Pilot $849.00 | |
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|  | Kenwood L-07M Mono Block 150 Watts Amplifier Pair Tested $375.00 | |
 | Uesugi Uty-3 Pair set Vacuum Tube Type Mono Power Amplifier 100V Japan Working $20,299.00 | |
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|  | New ListingDynaco Mark Ii Mono Vacuum Tube Power Amplifier Modded To Mark Iii Mullard Tubes $399.99 | |
 | Altec A333A High-Fidelity Mono Power Amplifier=Nice! Please Read! $1,399.00 | |
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|  | 6L6 Tube Mono amp for modifier fender guitar amp $149.00 | |
 | Vintage Geloso G-227A El34 Pp tube mono amplifiers 1960s $1,750.00 | |
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|  | Tamura El34 Vacuum Tube Pp - Mono Power Amplifier Pair Br (Worldwide Shippi $5,880.00 | |
 | Pair of Heathkit W-5M Mono Bloc Power Amplifiers For Restoration=Peerless 16309 $699.00 | |
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|  | H.H. Scott 280 Mono Tube Amplifier ~ For Parts/Repair Only $1,999.99 | |
 | Quad Ii | Mono Tube Amplifier | Pair | WorldwideShipping $2,580.00 | |
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|  | Knight 25 Watt Basic Mono Power Amplifier $349.00 | |
 | 6С33с tube power amplifier, single ended mono amplifiers $1,855.00 | |
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| Click to see more Mono items at www.ebay.com
Prices current as of last update, 08/07/25 6:03am.
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