Clearance Items

Vacuum Tubes

The first electronic amplification of sound was done with Vacuum Tubes. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today.
P-H240 Screw - #8-32, Flower, Nickel
Package of 4
Decorative head screws, like used for speaker mounting on 1930s vintage radio cabinets. 1-1/2" long.
$0.70
Save 22%
Originally: $0.90
B-307 Most Often Needed Radio Diagrams, Volume 1
by M. N. Beitman
Radio Diagrams and Servicing Information from 1926 to 1938. Shows circuit diagrams for 600 of the most commonly found radios of that time. A valuable resource for restorations.
$3.26
T-6K7G Vacuum Tube - 6K7G, Pentode, Remote Cut-Off, RF
The 6K7G is an indirectly heated pentode of the vari-mu (remote cut-off) type for use in the RF or IF stages of radio equipment.
$3.13
Save 50%
Originally: $6.25
B-697 Radio, Wireless Telephone and Wireless Telegraph Equipment
High quality reprint of early (1920s) Montgomery Ward catalog of wireless equipment. 32 pages of radios, kits, tubes and books as available 70 years ago. Sorry, you can't order from this catalog! 0.2 lbs, 7" x 9.5", 33 pages.
$1.00
Save 49%
Originally: $1.95
A maximum order of 1 is allowed.
T-6C4WA-ECG-P Vacuum Tube - 6100 / 6C4WA, Philips ECG, Triode, Medium-MU
Philips ECG, Triode, Medium-MU
$4.95
Save 50%
Originally: $9.90
T-5AR4-CHINA Vacuum Tube - 5AR4, Chinese
Chinese 5AR4 Vacuum Tube
$18.54
S-HSM4D7-20 Screw - M4 x 0.70, Phillips, Pan Head, Stainless Steel, Machine
Package of 4
(Metric Threading: M4 x 0.70) - 20 mm long
$0.80
T-7B8 Vacuum Tube - 7B8, Heptode
Pentagrid converter designed to perform the combined functions of the oscillator and mixer in superheterodyne receivers
$1.95
Save 50%
Originally: $3.90
T-12AU7-CHINA Vacuum Tube - 12AU7, China
9 pin miniature preamp tube (Amplification Factor = 17)
$11.10
T-6J6A_ECC91 Vacuum Tube - 6J6A / ECC91, Dual Triode, Medium MU
Twin triode in the 7 pin miniature construction. It can be operated in parallel or push-pull.
$2.45
Save 50%
Originally: $4.90
T-5726_6AL5W Vacuum Tube - 5726 / 6AL5W, Dual Diode
Twin diode miniature type intended for applications where dependable performance under shock and vibration is paramount. The 5726 is a "premium" version of the 6AL5W
$2.45
Save 50%
Originally: $4.90
T-6AG5_EF96 Vacuum Tube - 6AG5 / EF96, Pentode
Miniature type RF pentode having a sharp cut-off characteristic and a high value of transconductance. In compact, light-weight equipment it is useful as an RF amplifier up to about 400 megacycles.
$1.95
Save 50%
Originally: $3.90
T-5654_6AK5W Vacuum Tube - 5654 / 6AK5W, Pentode, Sharp Cut-Off, RF
Miniature sharp-cutoff pentode for use as a wide-band, high-frequency amplifier. It is also useful in video and audio amplifiers, oscillators, mixers, frequency multipliers, and cathode followers.
$2.45
Save 50%
Originally: $4.90
T-12AT7-CHINA Vacuum Tube - 12AT7, China
Chinese 12AT7 dual triode.
$12.34
T-6BJ7 Vacuum Tube - 6BJ7, Triple Diode
Miniature, triple diode primarily intended for use as a d-c restorer in each of the three signal channels of color television receivers. For flexibility in circuit design, each diode incorporates a separate cathode
$1.95
Save 50%
Originally: $3.90
T-3Q4 Vacuum Tube - 3Q4, Pentode, Power
The type 3Q4 is a miniature type power-amplifier pentode designed for use in the output stage of battery operated equipment.
$2.95
Save 50%
Originally: $5.90
T-6BN6_6KS6 Vacuum Tube - 6BN6 / 6KS6, Discriminator, Gated Beam
Heater-cathode type beam tube of miniature construction designed primarily to form the combined operations of the limiter, discriminator, and audio-voltage amplifier in FM and intercarrier television receivers.
$2.45
Save 50%
Originally: $4.90
T-6BK7-A-B Vacuum Tube - 6BK7-A-B, Dual Triode, HF
Miniature twin triode designed primarily for use as a cascode amplifier at frequencies below approximately 300 megacycles.
$2.45
Save 50%
Originally: $4.90
T-6CS6_EH90 Vacuum Tube - 6CS6 / EH90, Heptode
Miniature dual control pentagrid tube intended for use in sync separator circuits. In these circuits it provides improved noise immunity. Both control grids have sharp cut-off characteristics.
$2.45
Save 50%
Originally: $4.90
T-6BS8 Vacuum Tube - 6BS8, Dual Triode
Miniature, medium-mu twin triode designed for use as a VHF cascode amplifier. In this application, section two (pins 1, 2, and 3) is intended for the input section.
$2.95
Save 50%
Originally: $5.90
T-5U4G_5AS4 Vacuum Tube - 5U4G / 5AS4, Rectifier, Full Wave
The 5U4G is designed for service as a power rectifier in AC operated receivers which require high currents
Starting at $18.40
T-6AU4GTA Vacuum Tube - 6AU4GTA, Diode, Damper
Single heater-cathode type diode intended for service as the damping diode in the horizontal-deflection circuit of television receivers. High output current capabilities make the tube particularly well suited for autotransformer deflection systems
$2.95
Save 50%
Originally: $5.90
T-5763 Vacuum Tube - 5763, Tetrode, Beam Power
Heater-cathode type transmitting beam power amplifier in the 9 pin miniature construction. It is intended for use in compact, low-power mobile transmitters and in the low-power stages of larger fixed station transmitters.
$6.45
Save 50%
Originally: $12.90
T-6FQ5A_6GK5 Vacuum Tube - 6FQ5A / 6GK5, Triode, HF
Semi-remote cutoff triode in the 7 pin miniature construction. It is designed for use as a VHF and RF amplifier at a B+ of 135 volts.
$3.45
Save 50%
Originally: $6.90
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