AUDIO LOGIC VACUUM TUBE DIG PROCESSOR M34LU & ATN

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

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

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

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

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

(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

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

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

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

Engraved base. Filament tested - draws current but does not glow; no further testing done. See photos for codes. Dimensions: H 5" x Dia. 2"

Also includes Westinghouse WL-802, JoLida 3-500G, US Army Signal Corps tube 826, Eimac 4-1000A, Mullard 833A, and many more. All untested. IMPORTANT: Before bidding, please read the terms and conditio

Eastern Electric Mini Max DAC Vacuum Tube DA Converter, Untested.

Studio Master. Works. With box. With manual. Free pickup or we'll drop at the shipper for $3.

We are not able to test or individually evaluate larger tube lots. See photos for codes. Dimensions: H 4" x Dia. 2"

Vacuum Tubes, 12AU7 RCA, lot of 11, all appear to be N.O.S. Each tube box is labeled with gain, GM, and noise values (see photos).

BOOTHROYD STUART MERIDIAN 518 DIGITAL AUDIO PROCESSOR | COLLECTIBLE HOME THEATRE SYSTEM COMPONENTS-3.5" X 13" X 13" APPROX-VERY GOOD CONDITION, NOT TESTED-DP83021

Filament tested at 6V; filament glows. No further testing done. Dimensions: H 4" x Dia. 2"

Filament tested at 6V; filament glows. No further testing done. See photos for codes. Dimensions: H 4" x Dia. 2"