Audio Research Phono2 Vacuum Tube Phonograph Preamplifier

Audio Research Phono2 Vacuum Tube Phonograph PreamplifierSerial #29304811 A two source phono preamp. With two sets of RCA input connectors on the inputs, and one set of BAL and one set of RCA output

Herron Audio vacuum tube preamplifier, serial no. JA0074, model no. VTPH-1, used condition, includes power cable.

Rogue Ninety Nine Vacuum Tube Preamplifier with owner's manual and external power supply. Also with remote control.

Early 2.5V triode output tubes, originally manufactured in 1924. Filaments of all four tubes tested at 2.5V; three draw the correct current and glow; one is not functioning. No further testing done. S

Grouping of (2) audio output tubes from the 45 family. De Forest Audion 445 has an engraved base. Filament tested and not functioning. Silvertone engraved base 245-26X; filament tested at 2.5V and dra

Tec On Audio Model 55 Multimedia, Compact Integrated Vacuum Tube Amplifier, Untested.

MCINTOSH MTI100 INTEGRATED TURNTABLE ON STANDAmerican, circa 2019. Operational. Modern machined aluminum, glass, and metal plate home audio integrated turntable/tube preamplifier/amplifier on four-tie

(lot of 22) Vintage vacuum tubes for audio amplifiers, brands include: Chatham Electronics, RCA Radiotron Electron Tube, Tung-Sol, General Electric, Philips; all untested, 2.5lbs total (for shipping p

Sleek black look, with excellent power! The Stereo 90 Vacuum Tube Power Amplifier. With owner's manual.

The 45 tube was one of the most popular output tubes for sound equipment in the 1930's and is still popular today with DIY'ers. This is a nice grouping of (5) Sylvania audio output tubes. Three have g

The 6V6 was one of the most popular audio output tubes of the 20th century and continues to be very popular today for both musical instrument and hi-fi applications. This is a grouping of dozens of 6V

Studio used Nirvana Electronics Workshop P-3 Tube Preamplifier. Serial no. 95244 Voltage 117 V. Designed by Dennis Had at Cary Audio. 13 1/2" long X 9" wide X 6 1/2" high

Desirable Marantz Stereo Console Model Seven Tube Pre-Amp. Serial Number 13271. Original Vintage. Tested, repaired and running as of 2/2022 by www.ampexperts.com. With original parts, and invoice incl

Audio Research Corporation, Minneapolis, Minnesota. Pair of monaural model M300 MKII hybrid audio amplifiers. Serial numbers 87136010 and 87136015; with manual. Tested as working. Originally manufactu

RARE Vintage McIntosh C20 Stereo Tube Preamplifier Power & Lights up 2 tubes don't light up Shown in Pictures ( V7 12Ax7 & V3 12AV7 ) Unable To Test All Dials Turn Freely Hairline Crack From HF Cutoff

Conrad-Johnson PV10A Stereo Tube Preamplifier

A rare American LS 3 Model Pre Amp Power Stereo Line Amplifier D 120 audio research Made with Germanium transistors and tantal condensers. Volts 120. Serial 62459002. Marked, Audio Research, Minnetonk

Model numbers 300.2 and CD3 MKII. Dimensions: The CD player is 14" x 18" x 5 1/2" and the amp is 19" x 14 1/2" x 6 1/2".

Moscode 600 Vacuum Tube Amplifier. Powers on. Approx. dimensions: 7 in. H x 16 in. W x 14 in. D. Weight: 44.4 lbs.

Moscode 150 Vacuum Tube Amplifier. Powers on. Approx. dimensions: 5.5 in. H x 17 in. W x 12 in. D. Weight: 26 lbs.

Original Vintage Model MC-30 McIntosh 30 Watt Tube Amp Type A-116-B Serial No. 11461. Performance Certified Label dated 9-20-76. Slowly brought up to power on a variac, tubes glowed, no further testin

Conrad-Johnson PV10A Stereo Tube Preamplifier

Untested, with remote.

Group of Vacuum Tubes, c. 1915 Physical demonstration models. 1) Geissler tube lighting up by friction, length 19 1/3 in. – And: 2) 10 various Geissler tubes, 2 of them liquid-filled, some uranium