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Tube Stereo Amplifier

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AG9016 PHILIPS Stereo Tube Amplifier AG 1916 Valve Amplifier Philips MINT    US $299.00

rare DYNAKIT 70 STEREO Tube Power Amplifier Vacuum Tube    US $192.49

KOSS PORTAPRO 35 MM STEREO HEADPHONES PORTABLE FOLD FOR MP3 PLAYER IPHONE IPOD    US $39.99

Harmon Kardon Vacuum Tube Integrated Amplifier Receiver for rebuild or parts    US $99.00

Daven Audio attenuator Tech Labs Tube amplifier 300B stereo Western Electric    US $260.00

Daven Tech Labs Audio attenuator Tube amplifier 300B stereo Western Electric    US $40.00

Dual channel tube amp stereo millitary for project or parts    US $26.10

DavidyeeAudio Handmade Solid state Stereo power amp very nice heavy duty power    US $12.50

EX Sylvania 6F6 6F6G Power Pentode Audio Amplifier Hifi Stereo Vacuum tube    US $14.99

EX SYLVANIA 6L6 6L6GC Audio Amplifier HiFi Stereo Vacuum tube    US $14.99

Ex GE 6V6 6V6GT Audio Amplifier Guitar Stereo HiFi Vacuum tube Chrome Top    US $14.99

Vintage Silvertone Stereo Tube Amplifier 10WPC Sovtek EL84M Mullard 12AX7    US $199.00

Vintage 1959 The Fisher Model X 101 ST Tube Stereo Master Control Amplifier    US $199.50

Vintage Tube Amplifier    US $40.00

VINTAGE ROBERTS STEREO REEL TO REEL TAPE RECORDER 1620    US $135.50

Dyna Dynaco Dynakit Stereo 70 ST 70 stereo tube amplifier manual    US $8.99

McINTOSH MC240 TUBE AMPLIFIER WITH ORIGINAL MANUALS McINTOSH TUBES    US $1,577.00

FISHER X 101 B INTEGRATED STEREO TUBE AMP FACEPLATE FRONT PLATE    US $10.50

Vintage Zenith Stereo SF112 Amplifier with 12ax7 6aq5 5y3 tube    US $50.00

AMPEREX PREAMP 12AX7 ECC83 TUBE STEREO AUDIOPHILE AMPLIFIER HOLLAND GLOBE RARE    US $1.04

Heathkit Stereo Tube Pre Amplifier Amp    US $275.00

1 Grundig Klangfilm tube amp modul stereo ECC83 ELL80    US $49.00

Vintage Pilot tube receiver tuner am fm phono telefunken bugle boy tung sol    US $45.00

LAFAYETTE LA 224A INTEGRATED TUBE AMPLIFIER 12AX7 EL84 5AR4 VERY GOOD QUALITY    US $179.99

MAGNAVOX STEREO TUBE AMPLIFIER EL84 AMPLIFIER by DENNIS HAD TUBE HEADPHONE AMP    US $425.00

DYNACO Gold Plated Input Jack Board Stereo 70 ST70 ST 70 Dual Use    US $14.99

Manley Labs Neo Classic 300B Stereo Tube Preamplifier Headphone Amplifier Rare    US $3,499.00

Box of 5 SYLVANIA 6BK4C 6EL4A NOS NIB AUDIO AMP TUBES    US $199.00

a 1959 60 Lafayette La 235 stereo integrated tube amplifier    US $9.95

Awesome Vintage amplifier information CD ROM Classic Amps    US $23.95

Cherry Red Stereo Tube Amp Amplifier Bob Carver Vintage    US $1,103.00

6 Vintage TELEFUNKEN 12AX7 ECC83 Radio Amplifier Tubes Marked THE FISHER    US $45.50

4 Vintage RCA 5R4GY Brown Base Amplifier Tubes    US $10.50

4 Vintage THE FISHER Radio Amplifier Tubes 7591A    US $74.00

1 Vintage Cardon C 182 B Radio Amplifier Tube    US $9.99

3 Vintage RCA 12AX7 Black Plate Guitar Amplifier Tubes    US $9.99

1 262B Western Electric Engraved Base Amplifier Tube    US $9.99

3 Vintage SYLVANIA 6SN7GT Chrome Bottom Amplifier Tubes    US $9.99

1 Vintage Eveready RAYTHEON Type 45 ER 245 Globe Radio Amplifier Tube    US $49.00

1 Vintage RCA 211 Radio Amplifier Tube    US $9.99

1 Vintage AMPEREX Bugle Boy 5AR4 GZ34 Amplifier Tube Metal Base    US $46.50

Working Tube Type Vintage Bogen AP250 Integrated Stereo Amplifier Amp 62 AP 250    US $299.99

Vintage Fisher 500 Mono Tube Amp Amplifier Transformer Set    US $36.00

Vintage Classic 1960s Dynaco Dynakit ST 70 Stereo Tube Amp Amplifier    US $276.00

McIntosh MC225 Vintage Stereo Tube Amplifier MC225 Amp    US $1,205.00

Vintage Soundcraftsmen 5050 Stereo Tube Amp Amplifier    US $103.60

Dynaco Dyna SCA 35 Tube Integrated Stereo Amplifier 12AX7 6BQ5    US $107.72

FISHER X 100C GE 7868 AUDIO OUTPUT 12AX7 TUBE SCOTT STEREO PREAMP AMPLIFIER AMP    US $222.50

Dynaco Stereo 70 St 70 tube amp amplifier New groove tube EL 34 6CA7 tesla 5AR4    US $295.00

Dynaco Dynakit ST 70 ST70 PC 3A Stereo tube Amp EL34 6CA7 PC 3A Stereo PCB Board    US $13.00

DYNACO S 35 ST 70 MARK III MARK IV MARK VI MANUAL SET    US $10.95

Vintage Lafayette 250A Stereo Integrated Amp Amplifier Telefunken EL86 Tubes    US $178.00

Emerson Stereo Hi Fi Tube Amplifier Amp    US $30.00

Lowery Organ Stereo Tube Amplifier Chassis 6 7591s 3 12AX7s    US $.99

SMT Resistor Step Attenuator 50K Volume Control    US $8.99

Motorola TUBE AMPLIFIER    US $89.99

VINTAGE DYNACO SCA 80Q UNBUILT KIT AUDIO STEREO AMPLIFIER TO DRIVE TUBE AMP    US $50.00

500K OHM ALLEN BRADLEY STEREO VOLUME TUBE AMP LINEAR TAPER POTIENTOMETER P56    US $69.99

Four 7868 Power Tubes 3 new in box 1 used Sylvania CONN Stereo Amplifier    US $20.00

Stereo MC Moving Coil Step Up Transformer SUT Phono Preamp USAF Military Iron    US $375.00

Alps 500K log Volume control Potentiometer attenuater    US $13.99

The Fisher Professional Series X100C X 100C Stereo Integrated 7868 Tube Amp    US $649.99

12AU7 JAN NOS NIB ECC82 5814A Twin Triode PHILCO LANDSDALE HI FI Stereo Tubes    US $8.95

24 Step Volume Control 50K A Dale Resistor Stereo HiEnd    US $31.50

Attenuator 24 Step 500K A Dale resistor Stereo NEW    US $35.00

Attenuator 24 Step 100K A Dale resistor Stereo NEW    US $35.00

6BQ5 EL84 AF Power Pentode 5    US $15.00

Cetron JAN 5R4 WGB Full Wave Rectifier Tube    US $15.00

Eico HF 81 HF81 tube amp manual reprint    US $9.99

Alps 250K Volume control Potentiometer attenuater Pot    US $8.99

RHOADES TELEDAPTER E 200 MONO STEREO CONVERTER TV TO STEREO ADAPTER F104    US $24.99

Dynaco ST 70 Stereo Tube Amplifier Exceptionally Clean Retubed    US $749.00

Vintage AIRCASTLE SE 1200 Portable 8 Track Player WATCH VIDEO DEMO Powers On    US $12.00

Faceplate For Bell 2440 Integrated Stereo Tube Amp    US $24.99

Feb 1962 SAMS PHOTOFACT Folder Set No568 TV Electronics RepairService Pages    US $7.99

vintage voice of music single ended transformer complete set tube stereo 7591    US $59.99

Pilot Model 248 Stereo Amplifier Photofact 1961    US $4.49

1 pc NOS RCA Radiotron 5Z3 rare Black plate D getter tube blanced    US $25.00

McIntosh pamphlet C22 275 Tube Preamp Amplifier    US $50.00

Knight Model KN 300 FM AM Receiver Sams PhotoFact    US $3.75

24 Step Volume Control 50K A TKD Resistor Stereo    US $69.50

CBS JAN CHY 5Y3 WGTA Full Wave Rectifier Tube    US $20.00

JAN 5931 5U4 Full Wave Rectifier Tube    US $20.00

Olson RA 491 Receiver with Amplifier Sams PhotoFact Technical Docs    US $3.25

Rauland Model HF1021 Amplifier Photofact    US $5.75

Bogen SRB40 Receiver with Amp Photofact    US $4.00

Pilot PA 690 Tuner Sams Photofact Tech Docs    US $7.60

Pentron Model CA 15 Pre Amp Sams Photofact Technical Docs    US $4.00

Harmony SA 20 Amplifier Photofact    US $3.00

Fisher Handbook Encyclopedia of Vacuum Tube Equipment    US $39.95

PL508 Matched Quad TUNGSRAM Tubes Valves 17KW6    US $29.00

SEVEN NOS NIB 3 MICA TYPE 5879 STEREO AMPLIFIER TUBES    US $89.99

4 Matched JJ Tesla E34L EL34 Tubes Marantz CJ    US $69.00

Bigg of California Model P 3 D Amplifier Photofact    US $4.00

Attenuator 24 Step 25K A Dale resistor Stereo NEW    US $31.50

BEHRINGER EURODESK MX 2442 PCB MIXER BOARD PARTS    US $27.99

VINTAGE HEATHKIT STEREO TUBE AMPLIFIER AND FM TUNER AA 32 AJ 63    US $299.99

Do tube amplifiers save energy?

Would a stereo tube amplifier that uses 7 watts per channel save much more electricity than a stereo transistor amplifier that uses 90 watts per channel?

Tubes are far more inefficient than transistors and use power to heat the tube all the time, whereas transistors only use power when necessary.
In this case though the tube amplifier is likely to use less than the transistor amplifier.

Johnson Amplification Millennium Stereo 150 Demo