Pioneer MA-62  6 Channel Audio Mixer (discontinued)

Submitted by Lead   on 08-05-2004 14:52
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Specifications

System	6 Channel Audio Mixer
Power Requirements	Switchable 110, 120, 130, 220, 240V 50/60 Hz
Power Consumption	11W
Frequency Response	MIC : 20Hz ~ 15kHz LINE : 20Hz ~ 25kHz
Signal To Noise Ratio	MIC : 52 dB PHONO : 60 dB LINE : 67 dB
Distortion	< 0.2%
Cross Talk	> 70 dB
Channel Seperation	> 70 dB
Channel Interference	< 1 dB
Dimensions	( WxDxH ) 400 x 264 x 132 mm
Net Weight	5.8 kg
Inputs
Mic	6 x DIN and Phone 0.25mV / 47k Ohm
Line	6 x Phone 50mV / 50k Ohm
Phono	6 x Phone 2.5mV / 47k Ohm

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While wondering what the very first Pioneer DJ product might have been I discovered this product. Seems very basic to modern standards, but realise that this is a model that was introduced in Februari 1974.

The 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 six low impedance, high quality microphones and features two pairs of stereo outputs.

In 1976 the Pioneer MA-62(A) was released and braught into the market. Actually this is the follow up of the MA-62 and only differs in the case that the MA-62A is able to connect to 4 turntables while the MA-62 can only connect  to 2 turntable at the same time.



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. This convenient arrangement means you can obtain a correctly balanced stereo or mono mixture of mic/line, mic/phono or even phono/line plus mic without changing input jack connections.

Special PAN POT (Panoramic Potentiometer) controls are provided on Channel 3 and Channel 4 to permit cross channel panning. Position selectors are provided on Channel 1, 2, 5 and 6 so that any or all can be switched to Left, Right, Left/Right (Center) output. Microphone attenuators ( 20dB) for all mic inputs, microphone low cut filters (switched for each channel) plus a master output level fader, stereo headphone monitor jack and other useful features are included.

The MA 62 is Pioneer's answer to the demands of discotheques, disc jockeys, small studios and amateur audio engineers for a versatile mixer of professional quality.

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SIX INPUT CHANNELS
The Pioneer MA 62 mixer provides input facilities for up to six microphones. For extra versatility, each of these channels offers an alternative terminal for LINE or PHONO inputs. (Specifically, Channels 1 and 2 accept PHONO inputs; Channels 3 through 6 accept LINE inputs such as tape, tuner, etc) Each of the six channels is provided with a controlpanel switch to allow you instant selection of input source without changing jack panel connections.

PROFESSIONAL PAN POT CHANNEL LOCATION
Two of the six individually controlled input channels are equipped with simple to use panoramic potentiometers (pan pots). These continuously variable rotary pots (on Channel 3 and 4) allow free sound localization from left to right (or anywhere in between). All other channels (Channels 1, 2, 5 and 6) are equipped with location switches so that you can select Left, Right or Left/Right (Center) output individually.

MIC ATTENUATORS (-20dB)
Each of the six channels is provided with a switched microphone attenuator to instantly reduce signal strength by 20dB. This feature is useful in preventing saturation (clipping distortion) of microphone input signals.


LOW CUT FILTERS
Each of the six channels is also provided with a switched lowcut filter circuit for microphone input. These are useful to suppress undesirable low frequencies or "muddy" human voices.


DESIGNED FOR PRACTICAL USE
The Pioneer MA 62 is entirely portable, operates from any AC power supply system and is engineered so that it adds absolutely no unwanted distortion or coloration to the sounds you channel through it. Its wide dynamic range and stability are totally reliable. Extra features include two stereo output terminals, pointer index markers for each of the six long throw faders (plus master volume fader), a "scratch board'' strip for jotting down reminders and a monitor jack for stereo headphones.

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