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Amplifier Mk III |
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The amplifier KEW807-91C seen in this page is the third
attempt in building a modern, good and cheap stereo Williamson Power
Amplifier. The chassis is handmade of solid Pine. |
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KEW807-91C, The Williamson Amplifier Mk III using triode
connected 807's from Sovtek (NFS).
Main Data:
Power Consumption: 130W@230/115V 50-60Hz
Supply Voltage: 2X400Vdc@130mA (KE77003-A)
Heater Voltage: 2X6.5V@3A (0.9A@807)
Closed Loop Gain: 17dB
Std Feedback (BF+1): 20dB
BW(+/-3dB): 7Hz-280kHz@67mW
Power(12.6% THD): 2X13.8W@7.3Ohm
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