tube monoblock

Reverb

Futterman Tube Monoblock OTL Amplifiers $2,999 Mar 14, 2026

Reverb

Julius Futterman Tube Monoblock OTL Amplifiers $2,999 Mar 8, 2026

Kleinanzeigen

LUMLEY Reference TUBE MONO BLOCK' S Kleinanzeigen €4,500 Apr 4, 2026

The Music Room

Pathos Adrenalin Tube Monoblock Power Amplifiers; Pair The Music Room $19,899 20% Oct 30, 2025

Reverb

Heathkit AA-91 Tube Mono Block Amplifier $299 Mar 7, 2026

Reverb

Heathkit AA-91 Tube Mono Block Amplifier $299 Mar 7, 2026

High Performance Stereo

McIntosh MC30 Vintage Tube Monoblock Pair High Performance Stereo $6,700 Aug 26, 2023

US Audio Mart

Quicksilver Silver Monos - 90WPC tube monoblock amplifiers US Audio Mart $1,200 Feb 22, 2026

Reverb

Dodd Audio 120 Tube Monoblock Power Amplifiers Stereo $4,399 Jan 9, 2026

The Music Room

Destination Audio Type 50 Tube Monoblock Power Amplifiers; Pair The Music Room $6,393 9% Jan 17, 2026

The Music Room

Air Tight ATM 2211 Tube Monoblock Power Amplifiers; Pair The Music Room $35,999 Mar 24, 2026

US Audio Mart

Rare Fairchild 255 Tube Mono Block Amplifiers - Free Shipping! US Audio Mart $5,695 Mar 22, 2026

US Audio Mart

Tsakiridis ORPHEUS 211 Tube Monoblock Amplifiers & Alexander Pre-amplifier US Audio Mart $5,000 Sep 13, 2025

US Audio Mart

VTL MB-450 Series II (Tube Monoblock Amplifiers) - Excellent Condition US Audio Mart $6,500 Mar 30, 2026

Canuck Audio Mart

Quad ll Eighty Tube Mono Block 80w/c Canuck Audio Mart CA$7,000 Mar 10, 2026

Canuck Audio Mart

Consonance Cyber 845S Tube Monoblock Power Amplifiers (pair) Canuck Audio Mart CA$5,999 Jan 14, 2026

The Music Room

Quicksilver Audio KT88 Tube MonoBlock Power Amplifier Pair The Music Room $3,499 Apr 4, 2026

US Audio Mart

VTL MB450 Tube Mono Block Amplifiers , Musical & Powerful (Silver) US Audio Mart $4,950 Sep 16, 2025

Reverb

Vintage 1950s Bogen D030A Tube Monoblock Amplifiers $1,999 Jan 9, 2026

The Music Room

Cary Audio Design SLM-100 Tube Mono Block Power Amplifier; Pair The Music Room $2,699 Mar 17, 2026

The Music Room

ModWright Instruments 845 DS SET Tube Monoblock Power Amplifiers; Pair The Music Room $22,499 42% Jun 13, 2024

US Audio Mart

Conrad Johnson LP260M SE Tube Monoblock Amplifiers - 270WPC - Excellent! US Audio Mart $5,000 23% Jan 3, 2026

Yahoo Auctions Taiwan

美國老牌Bogen MO-100A Tube Monoblock Sylvania8417真空管後級擴大機100瓦（每聲道） Yahoo Auctions Taiwan - Dec 13, 2025

Reverb

Canary Audio CA-330 MK-II 300B Vacuum Tube Monoblock Amplifier $5,250 Apr 1, 2026

The Music Room

Conrad-Johnson ART 108A Tube Monoblock Power Amplifiers; Pair (1 / 125 Produced) The Music Room $14,999 41% Apr 9, 2025

US Audio Mart

Doshi Jhor 90-watt tube monoblock amps compatible with EL34, 6550 and KT88 US Audio Mart $8,000 Mar 29, 2026

Aural HiFi

Audio Research Reference 300 mkII // Preowned / Tube Monoblock Amplifiers / Restored & Retubed (31301501/2) Aural HiFi $14,999 Mar 14, 2026

SkyFi Audio

McIntosh MC3500 MK II Tube Monoblock Amplifier (Single) - NEW Sale price$17,500.00 SkyFi Audio - Jul 13, 2023

SkyFi Audio

McIntosh MC2301 Quad Balanced Tube Monoblock Amplifier (Single) - NEW Sale price$15,500.00 SkyFi Audio - Jul 13, 2023

US Audio Mart

Audio Valve Avalon Tube PPP Monoblock Amplifiers US Audio Mart $3,500 Feb 5, 2026

Reverb

HH Scott Model 240 Tube Amplifier Monoblock $999 Mar 6, 2026

SkyFi Audio

Veloce Audio - Lithio Series Saetta Hybrid Tube Monoblock Amplifiers - Rare Sale price$7,790.00 Regular price$9,999.00 SkyFi Audio - Aug 31, 2024

The Music Room

Ypsilon Aelius Tube Hybrid Monoblock Power Amplifier; Pair The Music Room $9,427 21% Oct 4, 2025

US Audio Mart

McIntosh MC60 Vacuum Tube Amplifier Monoblock Pair US Audio Mart $5,995 20% Nov 13, 2025

SkyFi Audio

Marantz Model 9 Vintage Tube Monoblock Amplifier (Single) - THE Holy Grail - Early Serial Sale price$7,990.00 Regular price$9,990.00 SkyFi Audio - Jun 7, 2024

Canuck Audio Mart

Wyetech Labs Onyx monoblock Tube Amplifiers Canuck Audio Mart CA$2,250 2% Nov 20, 2024

US Audio Mart

VTL MB-185 Monoblock Tube Amplifier - pair US Audio Mart $2,400 Apr 2, 2026

Reverb

(Rare) Ampex 9901 Monoblock Tube Amplifiers (Pair) $1,999 Mar 28, 2026

Reverb

Langevin 108-A Monoblock Tube Amplifier (Pair) $11,999 Mar 6, 2026

Reverb

Manley Labs Ichiban Monoblock Tube Amplifiers (Pair) $6,000 14% Jan 25, 2026

The Music Room

Synthesis The Theatre Monoblock Tube Power Amplifiers; Pair The Music Room $2,191 9% Jan 16, 2026

The Music Room

BAT REX Monoblock Tube Power Amplifiers; Black Pair The Music Room $9,199 23% Aug 23, 2025

US Audio Mart

VTL MB-125 Monoblock Tube Amplifier - pair Amp US Audio Mart $3,000 3% May 11, 2023

US Audio Mart

Conrad Johnson LP140M Monoblock Tube Amplifiers -Pair US Audio Mart $6,750 Jan 20, 2026

Reverb

Vintage Bogen DB15 Monoblock Tube Amplifier Mixer Equalizer $429 Mar 6, 2026

Reverb

Vintage Altec 1569 AT Tube Power Amplifier Monoblock Rackmount $1,499 Mar 6, 2026

Reverb

Vintage Altec 1569 AT Tube Power Amplifier Monoblock Rackmount $1,199 Mar 6, 2026

Reverb

Vintage HH Scott Type 250 Laboratory Monoblock Tube Amplifier $979 Mar 6, 2026