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General| Brand | Altec Lansing |
|---|---|
| Model | 1678C SIGNAL PROCESSING |
| Category | Mixer |
| Language | English |
Details technical specifications for the Altec Model 1678C mixer/amplifier.
Details technical specifications for the Altec Model 1674C mixer/amplifier.
Specifies rack mounting space and ventilation needs for the mixer/amplifier.
Details 120V power connection and microphone/line input wiring.
Explains wiring for external priority and mute switches via the 1/4" jack.
Discusses linking multiple mixers in series or parallel configurations.
Outlines setup for master/slave configurations in linked systems.
Describes how inputs appear at main outputs in parallel linked systems.
Explains function of rear chassis switches and connectors like LINE OUT, LINK IN/OUT.
Guides on setting input levels and phantom power for optimal performance.
Recommendations for using the hi-pass filter and correct stereo plugs.
Checks on Auto/Direct, MASTER/EXT, AUTO/MAN switches, and logic output.
Details on modifying a channel to act as a dummy microphone for noise reduction.
Instructions for setting internal switches and positioning the dummy microphone.
Procedure for adjusting mixer controls with a dummy mic for optimal noise suppression.
Explains benefits of dummy mic for reducing ambient noise and pumping.
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