OSVTTC – The Oscillator

The oscillator and pre-amp unit nearing completion. The small valve is the 12AU7 twin triode used as an oscillator and the other is the EL34 pentode used for the power amp.

osvttc_osc2

Oscillator

The controls on the front are for frequency and output level, on the rear is the bias control for the main tube grid bias.

osvttc_osc1

Underside

Not much in it really ! Power supply is at the bottom, in the middle is the oscillator and the amp is at the top.

 

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