# 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.

#### Solid State Replacements

Solid state replacements for vacuum tubes are great for use for hard to find or costly vacuum tubes and for reducing 'sag' in power supply applications.

#### 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.
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
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
Vacuum Tube - 6BY6, Heptode
Miniature dual-control heptode designed primarily for use as a combined sync separator and sync clipper in television receivers. Each of the two independent control grids exhibits a sharp cutoff characteristic.
$2.95 Save 50% Originally:$5.90
Vacuum Tube - 7Y4, Rectifier, Full Wave
Heater type vacuum twin diode using the lock-in construction. It is intended for use as a full-wave rectifier in either AC or storage operated equipment where economy of heater power is desired.
$3.90 Vacuum Tube - 0Z4-A, Rectifier, Full Wave, Gas The 0Z4A is a gas-filled, double diode employing an ionic-heated cathode. Its principal application is as a full-wave power rectifier in equipment with vibrator type power supplies.$3.90
Vacuum Tube - 12AD6 / 12AG6, Heptode
Miniature heptode primarily intended to perform the combined functions of mixer and oscillator in automobile radio receivers. Specially designed to operate with plate and screen voltages supplied directly from a 12-volt storage battery.
$3.90 Vacuum Tube - 6SA7, Heptode Metal pentagrid converter. It is intended to perform the combined functions of the mixer and oscillator in superheterodyne receivers, especially those of the all-wave type. The 6SA7 is constructed to provide excellent frequency stability.$3.90
Vacuum Tube - 117Z3, Half-wave rectifier, miniature type
Heater, for unipotential cathode. 117 volts AC-DC.
$4.90 Vacuum Tube - 1LC6, Heptode Filament-type pentagrid converter designed particularly for use in low drain battery-operated equipment. This tube will operate satisfactorily with only 45 volts B supply.$4.90
Vacuum Tube - 50X6, Rectifier, Full Wave
Combines two independent diodes in the lock-in construction permitting the tube to be used as a power rectifier in either half-wave, full-wave, or voltage doubler applications.
$4.90 Vacuum Tube - 5750 / 6BE6W, Heptode Miniature pentagrid converter designed for use as a combined mixer and oscillator in superheterodyne circuits.$4.90
Vacuum Tube - 6BY5GA, Dual Rectifier
Full-wave vacuum rectifier for television damper service
$4.90 Vacuum Tube - 7Z4, Rectifier, Full Wave Heater-cathode type high vacuum twin diode using the lock in construction. It is intended for power rectifier service in AC operated equipment or for use with storage battery and vibrator in automotive receivers or amplifiers.$4.90
Vacuum Tube - 25Z5, Rectifier, Dual, ST Glass
Heater-cathode type full-wave high-vacuum rectifier doubler tube designed for use in the power supply of a-c or a-c/d-c receivers. Eletrically the 25Z5, 25Z6, and 25Z6GT are identical.
$5.90 Vacuum Tube - 36AM3B, Rectifier, Half Wave Half-wave rectifier in the 7 pin miniature construction. Features of the tube are a 100mA. heater with 20 second warm-up time.$5.90
Vacuum Tube - 6AX5GT, Rectifier, Full Wave
Full-wave rectifier of the heater-cathode type intended for use in AC operated and automobile receivers. Because of its heater-cathode construction it has the same heating time as that of other heater-cathode types in the receiver.
$5.90 Vacuum Tube - 14Q7, Heptode Pentagrid converter designed for use as a combined oscillator and mixer in superheterodyne receiver. The electrical characteristics of the 14Q7 are similar to those of the 12SA7$5.90
Vacuum Tube - 1R5 / DK91, Heptode
Miniature pentagrid-converter designed for use as a combined mixer and oscillator in superheterodyne circuits. Because of its small size and high operating efficiency, the 1R5 is especially adapted for compact, battery-operated equipment.
$5.90 Vacuum Tube - 25Z6GT, Dual Rectifier Heater-cathode type full-wave high-vacuum rectifier doubler tube designed for use in the power supply of a-c or a-c/d-c receivers. Eletrically the 25Z5, 25Z6, and 25Z6GT are identical.$5.90
Vacuum Tube - 35Z3, Rectifier, Half Wave
New-Old-Stock (NOS) tube. The 35Z3 is a half-wave high-vacuum rectifier designed for use in a-c/d-c receivers. Electrically the 35Z3 is equivalent to the 35Z5GT except that the heater of the 35Z3 is not tapped for operation of a panel lamp. The 35Z3 is a loctal-based tube (compared to the octal base of the 35Z5GT.)
$5.90 Vacuum Tube - 6L7, Heptode Mixer tube designed for service with a separate oscillator as the first detector in superheterodyne receivers. The control grid is of the remote cut-off type which allows the use of AVC and minimizes cross-modulation.$5.90
Vacuum Tube - AZ41, Rectifier, Full Wave
High vacuum full wave rectifying tube.
$6.45 Save 50% Originally:$12.90
Vacuum Tube - 6BE6 / EK90, Heptode
Miniature heptode primarily designed to perform the combined functions of the mixer and oscillator in superheterodyne circuits in both the standard broadcast and FM bands.
$6.90 Vacuum Tube - 5AZ4, Rectifier, Full Wave Filament-type high-vacuum full-wave rectifier designed for service in power supplies of moderate current requirements. The electrical characteristics of the 5AZ4 are equivalent to those of the 5Y3GT.$6.90
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