EAR 509

The EAR 509 mono was born to serve professional studios. The nature of high fidelity in studios makes it perfectly suited for audio playback in the home.

The 100 Watt mono is a Tim de Paravicini design classic that has been in continual production for over 30 years. Its timeless rectilinear form is hand finished in polished chrome giving a clean and elegant look. Despite its high power, it has been refined to be densely packaged without sacrificing any performance enabling the compact design.

The EAR 509 has been built with reliability at its heart, backed up by three decades of servicing experience for the product.

Changing valves is intuitive with the EAR 509's self- biasing. Accurately set the operational biasing by adjusting two sets of dials. With four LEDs, it informs you that it's set with equal intensity, allowing you to easily adjust the biasing when necessary.

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Valves: Two PL509 (EL519) / Two ECC83 (12AX7) / One ECC85 (6AQ8)
Frequency response: 3Hz-30Khz +0 -1dB
Signal-to-nosie ratio: 96dB
Distortion (I.M.D.): <0.2%
Harmonic Distortion: -3dB <0.5% 12Hz-60Kz
Input Sensitvity (unbalanced): 1.2V
Input Impedance (unbalanced): 25Kohm
Output Damping Factor: 20
Connectivity: One Line Input (RCA) or Balanced Input (XLR)
Power output (20-20KHz): 100W into 4 and 8ohm
Weight: 15.3kg (34lb)
Length: 300mm
Width: 254mm
Height: 150mm
Power Consumption: 180 watts