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Cerwin Vega A-400

Stereo Power Amplifier (1979)

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Cerwin Vega A-400


Power output: 225 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.03%

Damping factor: 250

Input sensitivity: 1.4V

Signal to noise ratio: 113dB

Speaker load impedance: 4Ω (minimum)

Dimensions: 482 x 178 x 356mm

Weight: 20.4kg

Year: 1979



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Reviewed May 27th, 2019 by vglory88

This is a review for refurbished C-W A-400. I compared it side to side against Bryston 4B and was left speechless, as Bryston sounded dull and flat in comparison. The build on Cerwin Vega amp seems to be just as good, and power, well, it's amazing what it can do... rattling the windows in the living room as I type this

Reviewed Oct 24th, 2017 by spikedart

I have had this amp for over 6 years now and was refurbished by mountainmanau. The sound quality exceeds expectations and it drives high current speakers such as Ohm F2, 3 and 4 to levels that my Crown DC300A cannot exceed without distortion. The only issue is the circuit that drives the cooling fan. It ramps up the fan as the amp gets hotter, which increases the baseline noise level. I replaced it with a quieter fan from Digitech but during quiet passages during classical music, it can be (barely) heard. That is my only complaint. This amp is top notch and matches and possibly exceeds my upgraded Dynaco 400 in terms of quality regarding overall sound quality.



re: A-400

This amplifier is underrated. The 225w rms@8homs is more likely to equal 500w rms of the new amps. This amp has great power and it's mainly used for 2 ways speakers. The old Djs use to use it along with the cerwin vega a-600. The a-400 for the voice and the a-600 for the big subwoofers. This amplifier is built to las forever. If you like to listen to voices treble and tweeters... this is the one that makes you discover new things that were there in the same music you use to listen to using other gears.

This website is not affiliated with or sponsored by Cerwin Vega. To purchase A-400 spares or accessories, please contact the company via their website or visit an authorised retailer.