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The pre-amplifier KE83-92A
seen in this page was my first attempt in designing a tube pre-amplifier (it
was actually my father's 50-years present). It is a well sounding
TV-interface for optional (MM) turntable SCART usage. It uses a pair of
Qualitronics ECC83's for cascode amplification along with a pair of
Telefunken ECC81's as cathode followers. The chassis is handmade of solid
Teak. |
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KE83-92A, Roger's
Pre-Amplifier Mk I using 12AX7's and 12AT7's.
Main Data:
Power Consumption: 30W@230V/50Hz
Supply Voltage: 300Vdc/20mA
Heater Supply: 6.3Vac/1.2A
Pick-Up Sensitivity: 5mV@47k//150pF
RIAA-out: 500mV/150R
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