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EAR 509 Power Amps (Pair)
Product Review:
Sold standard with RCA terminals. The 509s can be ordered with XLR terminals for an additional $500.
Only $14,700.00
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Professional monoblock amplifiers. 100 wpc into 4, 8, or 16 ohms. Available with either RCA or true balanced inputs. No feedback used on the transformer secondary. Entirely stable into any load.

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.

About Tim de Paravcini, Engineer of EAR Electronics

Technical Data
  • Power Consumption - ...................180V.A.
  • Frequency Response - 8Hz-30KHz............+0-1dB
  • Power Output - (20Hz-20KHz<0.25% THD into Rate Load)...100W
  • Power Bandwidth - -3dB,0.5% THD.......12Hz-60KHz
  • Frequency Response - 3Hz-80KHz..........+0-3dB
  • I.M.D. - at any level from 100mW-100W equivalent power
  • Signal to Noise Ratio - down from 100W.......96dB
  • Output Damping Factor - (0.4ohm + 4uH)....20
  • Weight - .....................18kg
  • Input Sensitivity - (Unbalanced).........1.2V
  • Input Impedance - (Unbalanced).........25Kohm
  • Size - 12''(30cm)W........10''(25.4cm)D.......6''(15






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