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EFFECTS RETURN JACK (17)
Input for returning signals from external low-level effects or signal processing equipment.
EFFECTS LOOP REMOTE SWITCH JACK (18)
This jack accommodates the remote footswitch (optional part number 00051000 ON/OFF single button
switch), which is used to remove the effects loop from the signal path. The remote footswitch essentially acts
as a bypass to punch in or punch out from your external effects.
DDT
™
COMPRESSION DEFEAT SWITCH (19)
DDT
™
compression is defeated when the push button is in the “in” position. We recommend that DDT be
enabled at all times to protect the speakers.
PREAMP OUT JACK (20)
This 1/4" jack is used to route the preamp signal to external inputs, such as the input of an additional power
amp. The signal is post volume control. Use of this jack does not defeat the signal to the FireBass 700 amp
(some volume difference may be noticed due to the impedance change experienced when adding an
external unit to the signal patch).
POWER AMP IN JACK (21)
This 1/4" jack is used to input an external signal to the power amp section of the FireBass 700. Using this
jack will disconnect any signal from the preamp section. Using this jack along with the preamp out jack
creates a possible second effects loop.
CROSSOVER FREQUENCY CONTROL (22)
Determines the crossover frequency of the internal electronic crossover. Adjusting this control will set the
frequency range of the signals found at the high out and low out jacks. The crossover frequency can be
adjusted from 100 Hz (.1K) to 1000 Hz (1K).
CROSSOVER BALANCE CONTROL (23)
Balances the amount of low and high signals found at the low and high out jacks. Use care with this control,
especially when using separate cabinets for lows and highs. Since different cabinets often do not share the
same sensitivity characteristics (some cabinets are naturally louder than others) this control can be used to
compensate in order to “balance” the two.
LOW OUT (24)
This 1/4" jack supplies the low frequency signal determined by the crossover frequency control and the
crossover balance control. Use this jack to route the signal to an external power amp or to the power amp
input of the FireBass 700 when signal separation is desired. Use of this jack does not defeat the low
frequency signal going to the power amp section.
HIGH OUT (25)
This 1/4" jack supplies the high frequency signal determined by the crossover frequency control and the
crossover balance control. Use this jack to route the signal to an external power amp or to the power amp
input of the FireBass 700 when signal separation is desired. Use of this jack does not defeat the high
frequency signal going to the power amp section.
STATUS/POWER LED (26)
The LED is green when the power switch is in the “on” position. During normal operation, the LED also acts
as a DDT indicator. The LED illuminates red when DDT power amp compression is taking place. When DDT
is defeated, the LED will illuminate red when clipping occurs.