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Pioneer MA-62

Six Channel Mixing Amplifier (1974-81)

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Pioneer MA-62


The Pioneer MA-62 is a 6 channel input mic/line/phono stereo mixing amplifier for use when professional quality multi-channel mixing is required.

It accepts up to 6 low-impedance, high quality microphones and features two pairs of stereo outputs.

Two of the six individually controlled input channels in the MA-62 accept phono signals as well as microphone inputs, while the remaining four are circuited for line or microphone use.


Frequency response: 20Hz to 25kHz

Total harmonic distortion: 0.2%

Input sensitivity: 0.25mV (mic), 2.5mV (MM), 50mV (line)

Signal to noise ratio: 52dB (mic), 60dB (MM), 67dB (line)

Channel separation: 70dB (line)

Output: 0.33V (Pre out)

Semiconductors: 2 x IC, 22 x transistors, 3 x diodes

Dimensions: 400 x 132 x 264mm

Weight: 5.8kg


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Reviewed Jun 08th, 2018 by RTM

It's a terrific mixer that is far quieter than its vintage (and frankly the specs) would lead you to believe. The discrete components and Styrol caps can lend it some Gravitas that thinner sounding (but marginally quieter) Post-Modern DJ-type mixers might well lack. I trust my ears, as the Institutions that were the gatekeepers for quality have all been overhauled/decimated now. (It happened back in the '80's as well. Remember when Receivers shrank from the behemoths of the '70's to the pick 'em up with one arm '80's?) There are fewer safeguards for quality now as I read it. The FTC is still around though and RMS still endures. My vote is you should take a chance on it, especially the MA-62a if you need to use two turntables feeding anything without its own non-RIAA input on its preamp stage. But it'd really help both the MA-62 and 62a if some generous soul would upload the operator's manuals (and service manual for the 62a). I'm not absolutely certain they exist. Nobody seems to have one. 62, yes. 62a....mmmm....*scratches head*



re: MA-62a

Hi, I'm also looking for a User/Owner's manual for this piece. Thank you!

Service Manual

Hi, I need a service manual for Pioneer MA-62.Tanks

Service manual for Pioneer MA-62

I am a retired hobbyist trying to learn more about making family videos. I wear hearing aids and need to remove them to use my headphones.

I just read that you were looking for a manual for a Pioneer MA-62 mixer. I have also bought the same mixer and am trying to learn about it.

I wondered what is the maximum gain produced from an input line to output (particularly to the headphone monitor jack). If you have that info could you please advise me?


re: Service manual for Pioneer MA-62

The SM for the MA-62 lists it as 265mV. Hope this helps.

re: Service manual for Pioneer MA-62

It varies from brand to brand and component series to component series. It's probably around .265vrms. During the Classic Silver Pioneer Era, headphone outputs (with tone controls engaged) hit a high point and they've been in a state of devolution ever since-UNTIL-the recent personal audio Renaissance. Now you can buy dedicated Headphone amplifiers designed to power low sensitivity/efficiency headphones like Planars or Electrostats. Those amps can be upwards of 12wpc or more. But as for the MA-62, (I own the 62a) it's from that "Golden Era" when headphone amplifiers weren't just an afterthought (or missing altogether) so I'd guess it's equal to whatever task you'd like to use it for. Good luck.


I need a manual for MA-62 Pioneer

My gratitude, thanks

My gratitude, thanks

User Manual

I'm looking for the user manual not the brochure. Does anyone have it?

To be specific, the MA 62A that is the same but a little Newer.


re: User Manual

I need one as well. If I find one I'll PM you. Thx...

Pioneer MA-62 & MA-62A


I have both versions so I can comment on the differences between the two units:

The MA62 has the possibility to hook up one turntable only but the MA-62A can connect two.

The MA-62A also has only 5 mic inputs as compared to 6 for the MA-62.

Both units use the same circuit board but the MA62A has some internal modifications on inputs 5 & 6 to accomodate
the additional turntable.

The rest is pretty much the same.

And yes, I'd love to get a manual too if someone has it...


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