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509 100W Mono Valve Power Amp
Built to professional standards. Advanced Industrial grade high capacity valves not used in any domestic amplifier. EAR amplifiers proven in studio use. Accurate simple self-biasing for user replacement of valves when appropriate. In professional applications “XLR” input connectors and balanced semi-floating inputs are supplied at a nominal additional cost. Stability - No feedback is used on the transformer secondary - The amplifiers are entirely stable into any load. Matched mono amplifiers are supplied in pairs for stereo.
SPECIFICATIONS
Power Output (20Hz-20KHz<0.25% THD into Rate Load)...100W
Frequency Response 8Hz-30KHz............+0-1dB
Frequency Response 3Hz-80KHz..........+0-3dB
Power Bandwidth -3dB,0.5% THD.......12Hz-60KHz
I.M.D. at any level from 100mW-100W equivalent power...<0.2%
Output Damping Factor (0.4ohm + 4uH)....20
Signal to Noise Ratio down from 100W.......96dB
Input Sensitivity (Unbalanced).........1.2V
Input Impedance (Unbalanced).........25Kohm
Power Consumption ...................180V.A.
Weight .....................18kg
Size 12"(30cm)W........10"(25.4cm)D.......6"(15cm)H
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549 Mono Power Amplifier
Tube mono power amplifiers, output 200W/channel, 8 and 4 Ohm speaker taps, symmetrically built using four PL519 or PL509 power tubes, drivers are two ECC83 and two ECC85 or equivalents.
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V20
Had the best of transister amps and the V20 puts them in the shade. Not to everyones taste, but i love it. So very musical.
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