5. STEREO RETURN JACKS
The STEREO RETURN jacks are to be used as stereo effects return locations or as amp
patch jacks. These jacks can be used to patch external gear to the internal power amps of
the Red Line amps. These jacks can also be utilized in conjunction with the pre-amp out
jacks as a full stereo effects loop.
6. FOOTSWITCH
Connect the optional FS22 footswitch here to remotely control the nine band graphic eq
and the effects loop. The first button on the FS22 marked SELECT turns the graphic eq
on and off, and the second button marked REVERB / EFFECTS turns the effects loop on
and off.
7. SPEAKER OUTPUTS (EXCEPT RSP)
The R600 amp contains two 1/4” phone jack speaker output connectors. The AMP 1
(LOW FREQ) jack corresponds to the AMP 1 (LOW FREQ) knob on the front panel, and
the AMP 2 (HIGH FREQ) jack corresponds to the AMP 2 (HIGH FREQ) knob on the front
panel. Multiple speakers can be attached to each of the speaker output jacks, so long as the
total impedance is not below 4W. In the Red Line RSP model these jacks are used as power
amp feeds.
8. AC LINE FUSE
The line fuse is located inside the AC receptacle socket. The fuse can be replaced by
removing the AC line cord and wedging a slot head screwdriver under the top to pull out
the fuse holder. All Red Line amps are shipped with a spare fuse located inside of the fuse
holder cap. Always replace the fuse with a fuse of the same value. For more information
refer to the fuse replacement information in the parts lint of this manual.
9. AC LINE CORD
All Red Line Series bass amplifiers are supplied with detachable three conductor line
cords. Never defeat the grounding pin of the AC line cord as it is there for your own pro-
tection. If you must plug into a two prong outlet use a quality 3 to 2 prong grounded
adapter.
1
2
3
97654
SND
EFF LOOP
FS-22
FOOT SW
RTN
STEREO RETURN
PRE-AMP OUT
1-800-854-2235
MADE
AUS
IN THE
LOW FREQ HI FREQ
PRE AMP
LINE
DIR
GND
LIFT
SPEAKER OUTPUTS
AMP 2
(HIGH FREQ)
AMP 1
(LOW FREQ)
WARNING –– To prevent a fire hazard, provide adequate space for ventilation! WARNING –– To prevent fire or
shock, do not expose to rain or moisture. WARNING –– Do not remove cover. No user-serviceable parts inside.
120VAC 50/60Hz 575VA
FUSE = 6A SLOW BLOW
CAUTION: TO PREVENT SHOCK, DO
NOT DEFEAT THE SAFETY GROUND.
SPARE
FUSE
FUSE
8
1. COOLING VENTS
These vents are for cooling the internal power amplifiers. Provide a minimum of 3” of clear-
ance for adequate ventilation. Blocking the air flow through these vents will cause the amp
to thermally protect and turn off. If this happens, turn the power off and allow the amp a
few minutes to cool down. Clear the obstruction and reapply the power.
2. EFFECTS LOOP
T h e EFF LOOPsend and return jacks are used to connect external effects into the Red Line’s sig-
nal chain. The loop is located after the main eq. and compressor, and before the graphic eq and
noise gate. To use the effects loop, connect the “S N D” jack to the input of the effects unit and
connect the“R T N” jack to the output of the effects unit. The effects loop can be turned on and
off by using the F S 2 2 footswitch. When the footswitch is not connected the loop will default to
the on position. The status of the effects loop is indicated on the front panel by a green LED
marked “EFF LOOP” .
3. PRE AMP OUT XLR
The PRE AMP out XLR is a balanced output that can be configured in a number of different
ways. The LINE / DIR switch is used to select a pre or post pre amp feed. In the “LINE”
position the feed is post the pre-amp section of the Red Line amp, and contains all of the sig-
nal processing and effects that are being used. The “DIR” position is a direct feed off of the
bass guitar and is similar to using a D.I. box. A ground lift switch is also available on the
pre-amp out XLR jack. Set this switch for the lowest noise when using this output. When
the GND / LIFT switch is depressed the signal ground is lifted from this jack thus eliminating
any ground loops between the Red Line amp and the gear it is feeding.
4. HI FREQ AND LOW FREQ PRE AMP OUT JACKS
The split frequency output 1/4” phone jacks add a lot of interconnection flexibility to the
Red Line bass amp. These jacks can be used to drive additional power amplifiers or to drive
stereo, or frequency selective effects. When the amp is operating in Bi-amp mode the LOW
FREQ jack contains only the low frequency material, and the HI FREQ jack contains only
the high frequency material, as determined by the X-OVER FREQ selector knob on the front
panel. When the amp is operating in full range mode, both output jacks contain the same
full range signal.
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