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 - 801-A, Triode, Power Amplifier
The 801A is an RF power amplifier, AF power amplifier, and modulator
Out of Stock
Vacuum Tube - 809, Triode, Power Amplifier
Vacuum Tube - 841, Triode, Power Amplifier
The 841 is an RF power amplifier, oscillator, and AF voltage amplifier.
Vacuum Tube - 8SN7GTB, Dual Triode
Medium-mu triode intended for use as a combined vertical oscillator and vertical deflection amplifier in 450 mA. series heater operated television receivers.
6M11 - Triode, Dual - Pentode
New-Old-Stock (NOS) tube. Compactron twin-triode pentode.