Building Projects


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OTL Amplifier
The big O.T.L TubeMonster
"Heavy Duty" Output Transformer Less or OTL Amplifier.
Build in 1987-88
Output power: 2 x 110W into 8 ohm speakers.
Using 10pc.of PL519 on each channel.
Triodes in input stages and voltage amplifiers.
19 inch design.
Hinged chassis for easy access and service



The 1500W Mos-Fet Powermodule in mainframe


The 1500W Mos-Fet Powermodule