Vacuum tubes, called valves in England, were the standard in home-audio systems until the advent of the transistor in the 1950s. Tubes can be used to increase a device’s amplification, which translates into more volume in a high-fidelity amplifier. In particular, tube amplifiers are renowned for their warmer sound when compared to amplifiers with solid-state circuitry. Two of the best-known makers or tube amplifiers are Healthkit, which sold amplifier kits to home-audio hobbyists in the 1950s and ’60s, and McIntosh, whose amplifiers, pre-amps, and tuners were considered the gold standard by many audiophiles during the same decades.

Best of the Web (“Hall of Fame”)

The Vintage Knob

The Vintage Knob

The Vintage Knob is an extensive resource on all types of audio electronics organized by manufacturer, from Aiwa to… [read review or visit site]

Other Great Reference Sites

Most watched eBay auctions    

Vintage 1961 H.h. Scott Type 208 Stereo Tube Amplifier Amp W/ Ge Gz34 7591Rare Dynaco Dynakit St-70 Tube AmplifierVintage Nos Genalex Gold Lion U52 5u4g Black Plate 5u4 Amplifier Tube Sealed BagVintage Scott Stereomaster 340-a Tube Amplifier + Fm Tuner In Cabinet Nice WorksLafayette Kt-645 Stereo Tube Amp Amplifier El84 7199 12ax7Fisher 80-az Mono Tube Power Amplifier Amp Valve ~ Stunning + PristineVintage Dynaco Stereo 70 Power Amplifier Hi-fi Vacuum TubePilot Radio Corporation Pilotone Aa-410a Tube Amplifier Amp 6l6 Dynaco Dynakit Pas Stereo Tube Preamp Pre-amplifier Rare Audiophile PreamplifierScott Stereomaster 340 B Stereo Tube Amplifier 7591 33wpc, Serviced, New CapsVintage The Fisher 800 Multiplex Tube Stereo Receiver, Rare Amplifier Am/fmFisher 80-az Mono Tube Amplifier Works & Sounds Great!2 Dynaco Dynakit Mark Iii Tube Amplifiers ~ Pair Marantz 8b Vacuum Tube Amplifier Excellent Condition Stromberg Carlson Western Electric #35 6l6 5u4 Tube Stereo Power AmplifierVery Nice El84/6bq5 Stereo Tube Amp Amplifier With 2 Rectifiers Sounds Great Nr 4 Vintage Original General Electric Ge Vt-4-c / 211 Matched Amplifier Tube QuadVintage Fisher Kx-200 Integrated Tube Amplifier Stratakit Serial # 11764b WorksSherwood S-5000 Tube Stereo Amplifier WorksVintage Nos 1960 Genalex Gold Lion Kt77 El34 6ca7 Gec Oo Getters Amplifier TubeVery Clean Vintage H.h. Scott 99-d Integrated Mono Tube Amplifier + PaperworkRca 6bq5 Tube Stereo Amplifier, Single-ended, Model Rs-193f, Rca Victor El84 AmpPilot Model 232 Vintage Tube Amplifier For Parts Or RepairVintage 1959 Knight Kn 720 Tube Amplifier Amp 10w Stereo/mono W/telefunken 12ax7Vintage Genalex Kt88 6550 Gec Top 2 Getter Black Plate Brown Base Amplifier TubePilot 654m Reciever Tuner Tube Amplifier Multiplex Rare-not TestedStromberg Carlson 35 6l6 5u4 Tube Stereo Power AmplifierWorking Stromberg Carlson 29 6l6 Mono Tube Amplifier With Speaker.4 Vintage Nos 1960's Telefunken El34 6ca7 Kt77 Matched Amplifier Tube Quad Panasonic M.f.b. Stereo Tube Amplifier Model Ea-802 "super Rare, In Wood CaseFisher Model X101d Control Tube AmplifierVintage Genalex Kt88 6550 Gec Ooo Getter Black Plate Brown Base Amplifier TubeMatching Pair Rca Victor Rs 151 Hi-fi Mono Block 6v6 Pp Tube Amplifier Amp Near Mint Working Heathkit Aa-71 20w Ultralinear 5881 Mono Tube Amp AmplifierFederal Us Navy Western Electric Cft-50107-a 6f6 6sj7 Tube Preamp AmplifierVintage Genalex Gold Lion Kt88 6550 Gec Triple Ooo Getter Amplifier Tube In BoxVintage Nos Genalex Gold Lion U709 Ez81 6ca4 Gec Long Plate Amplifier Tube + BoxE.h Scott 800b Chrome Chassis Tube Radio Amplifier Amp Power SupplySears Silvertone Vintage Tube Guitar Amplifier Model 1484 W/tremolo Reverb 6l6cVintage Hoffman Tube Stereo Amplifier Amp From ConsoleKlangfilm Siemens 6s Ela 2805  tube Amplifier 4xel34 Xf2,  2x Ef40Harman Kardon Trio A224 Vintage Tube Amplifier Stereo - Restoration PieceMasco Me-27 Vintage Blues Harp Tube Amp AmplifierVintage Scott Lk-30 Tube Integrated AmplifierUs Signal Corps Western Electric 6l6 6sl7 Tube Movie Projector AmplifierAltec Peerless 342a 6l6 5u4 6cg7 Tube AmplifierNice Sounding Scott 99d Amp 6l6 Tube Amplifier In Good Working Condition Us Signal Corps Western Electric 6l6 6sl7 Tube Movie Projector AmplifierVintage Stereo Tube Amplifier - Sylvania Made- Uses 4 Type 7868 And 2-7025Very Cool Thordarson Single Ended Se Power Amplifier Mic Pre Amp 6l6g Tube2x Siemens Klangfim Cinema Tube Amplifiers - El84 SeNear Mint Frank Pram 20 Stereo Tube Amplifier , Valve Amp, Telefunken Tubes.Vintage Voycall Tube Amp AmplifierAltec Lansing 1568a Mono Tube Amplifier, RackmountVintage Heathkit Aa-32 Integrated Tube Amp Amplifier WorkingMasco Ma-8n Tube Amp Amplifier Masco Sound Systems Vintage Fisher Model 30a Mono Tube AmplifierVintage Hammond Ao-35 Tube Organ Amp Reverb Amplifier 1950s Guitar ProjectFutterman Output Transformerless Tube Amplifier Otl - Updated And ModifiedLafayette Model La-45 La 45 Tube Amp Hi Fi Amplifier Vintage