Tuesday, December 6, 2011

Trafomatic Audio Vilobha mono amplifiers





























€40,000 pr

The Vilobha monos are paralleled single-ended 20-watt amplifiers whose signal path consists of a C3m input pentode in triode connection which is direct-coupled to an EML 45 driver that's interstage-coupled to two paralleled 75TL. One EZ80 rectifier supplies the input tube, two 6D225 act a 15-second high voltage delays.

For onboard iron there's a grid choke to bias the C3m with an LED bypass; two 10H choke filters for the high-voltage supply; two 10H 100mA choke filters for the low-voltage supply; one double C-core transformer with separate windings for the high/low voltage supplies; one double C-core transformer with separate windings for all the tube heaters; and one double C-core output transformer that's claimed to be flat to 70kHz.

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