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Hafler P505

Professional Power Amplifier (1985)

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Hafler P505


The P505 is a high power two channel audio power amplifier designed and constructed for professional sound applications.

It can deliver very high power into 4 ohm loads, simultaneously maintaining a level of performance normally associated only with state of the art amplifiers of lesser power capability.


Power output: 250 watts per channel into 8Ω (stereo), 800W into 8Ω (mono)

Frequency response: 5Hz to 40kHz

Total harmonic distortion: 0.04%

Damping factor: 200

Input sensitivity: 2.35V

Signal to noise ratio: 100dB

Speaker load impedance: 4Ω (minimum)

Dimensions: 7.25 x 19 x 13 inches

Weight: 48lbs

Year: 1985



This website is not affiliated with or sponsored by Hafler. To purchase P505 spares or accessories, please contact the company via their website or visit an authorised retailer.