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PAC750 and PAC770
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PAC Magazine Review
PAC User Stories
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All-in-One Music Sound Systems
The Superscope PAC770 and PAC750 (pre-amplifier only) provide a
remarkably easy to use, feature-rich, and cost-effective installation
solution for applications requiring music and public address. In one
durable, commercial-grade product (taking up just 4U of rack space) the
PAC770 combines four quality system components. This all-in-one unit offers
a CD player with music playback features specially designed for the
performing arts, a full-featured cassette recorder, an elegant mixer that
any novice can handle with ease, and a powerful and reliable amplifier. No
stand-alone mixer is as simple to operate as the one built into the PAC770
and PAC750.
Easy to Use Mixer
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Multiple Inputs – Simultaneous independent control of
4 XLR mic/line inputs, tape, CD, and stereo aux input.
- Gain Control – The
amount of signal each input sends to the mixer can be easily adjusted using
each input’s gain control knob. Easier still, the auto gain feature will
set an optimal level for the mic/line inputs.
- Final Output Control– Master
output volume, EQ, and balance are simply controlled from the front panel,
while individual mic/line EQ, panning, phantom power, and input attenuation
are designed to be "set-once" on the back panel.
- Effect Loop –
Parametric EQ and speaker processing can be looped through the unit.
- Voice
Reduction – A voice reduction circuit can reduce the lead vocals in
prerecorded music from the CD, tape and aux sources.
- Simplified Auto Ducking
– For paging applications, the unit can be set to automatically lower the
volume of music when any mic/line input is active, either eliminating levels
or reducing them by -15dB.With Amplifier (PAC770) or Preamp Only
(PAC750) The PAC750 is built with a preamplifier only, enabling
flexible installation. The PAC770, however, comes with a high performance
amplifier. It includes:
- Stereo or Mono Bridge Modes – The unit allows
stereo or monaural amplification.Power Protection Circuit– The amplifier
is designed to protect itself from running at levels that can cause damage.
CD Player
Innovative features for controlling music playback have been built into
the CD player.
- Plays CD-RW – The built-in CD player is among the first
that can play finalized CD-RW discs.
- Tempo Control – Playing speed can be
adjusted from -33% to +50% without changing the key. This is done in 50
intervals (1% from previous tempo setting).
- Key Control – The key of a CD
can be altered by ±1 octave, in 1/16th note increments, without changing
tempo.
- A-B Loop – Audio loops can be defined within a CD track utilizing
the A-B button. Program Play – A selection of tracks or a single track can
be programmed for custom playback.
- Single Track Play – Automatically cues
tracks to audio and after playing, cues up the next track.
Cassette Recorder
Loaded with professional features, the tape deck provides exceptional
versatility along with reliable operation.
- Quick Auto Reverse – Optical
sensing of leader tape will reverse the direction of tape transport, for
seamless double-sided recording.
- Pitch Control – Playback pitch (tempo +
key) can be adjusted from -12% to +12%.
- Auto Record Level Control – The
unit can automatically set the optimal record level for worry-free
recording.
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