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Pioneer M-90

Stereo Power Amplifier (1986-94)

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Pioneer M-90

Specifications

  • Power output: 200 watts per channel into 8Ω (stereo)

    Frequency response: 20Hz to 20kHz

    Total harmonic distortion: 0.003%

    Input sensitivity: 1V

    Signal to noise ratio: 125dB

    Dimensions: 457 x 432 x 163mm

    Weight: 27.3kg

    Year: 1988

  • Power output: 200 watts per channel into 8Ω (stereo)

    Frequency response: 20Hz to 20kHz

    Total harmonic distortion: 0.003%

    Input sensitivity: 1V

    Signal to noise ratio: 125dB

    Dimensions: 457 x 430 x 154mm

    Weight: 22.6kg

    Year: 1986

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Reviews

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rating
Reviewed Apr 25th, 2018 by pilgrims

Very powerful and dynamic, ideally combined with Pioneer C90a, uses to make my beloved AR10pi at their best, beating the vast majority of speakers come and gone my home.
On top of superb musical performance, actually with no limit in level of sound, they have wonderful orange VUmeters which give me the phisical sense of pace. Toast to the very great old Pioneer!!!

rating
Reviewed Feb 02nd, 2018 by rsectora

don't know what those other reviews are chatting about valves tubes? This is a all 2 channel solid state amp.... they need a proper cap upgrade with hi end stuff on the driver boards, and some good audio caps and better power caps... also if you take the time to properly balance the drivers to the amps via adding some resistors....to better adjust the levels this amp really wakes up, I redid one of mine with the new transistors with a higher volt rating it does run cooler and seems to allow more bass and never trips the circuit breaker.... a side note the 220/110 version really sound much better on 220, but most folks don't have US 220 in a standard outlet and that can be rather dangerous, but it DOES make em play better and cooler... at a 2ohm load also they really seem to get better... I ran my 2 DSS9's on one for a while really nice.... I have 6 of these amps 5 for a surround setup and one to drive my HPM150's.... nice digital era amp.... not as smooth as a SA9800 but much much louder....
They run rather hot also I have some custom made fans for when we really crank em up... but I can tell you 0-100 watts with good source signal you get NO HISS thru the speakers....! very clean SNR amp... I think something like 125 rating...

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Reviewed Oct 04th, 2017 by graham gouch

Powerful, versatile , quiet, drives my Yam ns1000s with grunt and finesse. valve pre. Nos. Mullards. Stepped resistor pot. Pure silver cables. Very nice.

rating
Reviewed Feb 23rd, 2016 by fredy

Hello
Great power, have it on my main system connected to some speakers Visonic Evolutation 6, the Pre is the valves built by my friend Joaquim Pinto (JPAmplifiers) that builds the pre Brutus MC and MM, the integrated Viriatos, all the valves, I am quite satisfied with the result and I think that even after so many years in search of my sound I found this combination.


Fredie

 

Comments

Thanks For

I would like thanks all the persons whitch give for free all the informations.
Thanks again .
Could you pardon my english I've stop to learn 40 year's ago

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