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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
  •  
     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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