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14
13. Digital Input Gain Control - This knob
will boost or cut the gain for the digital
input stage. Best leave at detente
and double check full system volume
before making adjustments to this
control.
14. Stereo/Mono Switch - If you have
a large zone where left and right
imaging isn’t feasible, switch it over to
mono. Switching to Mono will give you
a summed stereo signal on both the
left and right channel outputs. When
running bridged, set this to mono as
well.
15. EQ Switch - Use this to setting to
were developed over many years and
many installs. EQ 1 is tailored for Small
speaker. EQ 2 is a loudness curve -
boosting the bass and treble a bit.
16. Status LED - This illuminating LED
will shine brightly when the amps are
charged and ready to output or as
content is output through the speaker
level outputs and mirrors the front
panel status LED.
17. Speaker outputs - Connect your
speakers here! These speaker outputs
are internally wired in parallel. Each
output terminal is connected to left/
Up to 4 pairs of 8 ohm (not 4 pairs of
these terminals (one pair per termi-
Architect Model P250 EQ can drive low
impedances, even down to 2 ohms,
single zone and distributed small aper-
ture speaker system designs.
Bridged operation - connect the
speaker to the center two pins of the
speaker level output. There is a U
bracket on the silkscreen to guide you.
When rack-mounting the unit,
make sure that the power cord and
the AC power switch remain readi-
ly accessible.
18. AC Inlet - Connect the supplied AC
power cord securely to this input. Plug
the other end into an AC mains outlet.
The power supply operates at both
110V and 220V - no switches. Just plug
it in to our main AC outlet and you are
19. AC Power Switch - This switch shuts
system is going to be shut down for an
extended period of time.
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