Directed Audio 350d - Manual (Page 7)

7
© 2003 Directed Electronics, Inc
1. RRCCAA OOuuttppuutt JJaacckkss - These pass
through RCA jacks can be used to
send a signal to a second amplifier.
2. RRCCAA IInnppuutt JJaacckkss - Accepts line level
outputs from head units or signal
processors at voltages between
150mV and 8 volts.
3. IInnppuutt GGaaiinn AAddjjuussttm meenntt - Controls
amplifier sensitivity and is used to
match the input level of the ampli-
fier to the output level of the signal
source.
4. PPhhaassee SSw wiittcchh - Changes the phase
of the subwoofer speaker output by
180 degrees.
5. CCrroossssoovveerr FFrreeqquueennccyy AAddjjuussttm meenntt -
Adjusts the crossover point for the
on-board active crossover.
6. BBaassss EEQQ SSw wiittcchh - Adds an additional
8 db of boost to the subwoofer
output when on.
7. SSttaattuuss LLEEDD - Will light GREEN to
indicate the amplifier is on and
operating normally, and will be off
if the amplifier shuts down due to
short circuit, or DC offset. The LED
will remain on and output will
cease if the amplifier overheats.
8. RReem moottee SSuubb LLeevveell CCoonnttrrooll - Controls
the subwoofer amplifier gain
controls from a remote location for
ease of adjustment during listening.
W Waarrnniinngg:: DO NOT connect a level control knob from other
manufacturers to the Remote Sub Level Control of
any Directed amplifier. Even though the connectors
fit properly, the control knob and connector pin
positions may be different and the amplifier will be
damaged.
FRONT PANEL CONNECTIONS/CONTROLS
OUTPUT INPUT
BASS EQ. PHASE
GAIN FREQ
R
L MIN 30 MAX 250
OFF 0 ON 180 POWER
FIGURE 1—AMPLIFIER CONNECTIONS 350d FRONT
7 2 6 4 3 8 1 5