page 3
4 Top Panel Controls
+48V
ISO
GND
GAIN
LOW
HIGH
BOOST
HPF
MIC IN SEND RETURN
LINE OUT
DI OUT
+10
0
+10
-10
+10
-10
0
0
I
0
BOOST
MUTE
REX
MICROPHONE PREAMP
2 73 4 5 6
9 10
1 8
11 12 13
1. 48V phantom power switch
2. GAIN control
3. LED signal level indicator
4. LOW EQ control
5. HIGH EQ control
6. BOOST level control
7. LED power indicator
8. OUTPUT ground / ISO switch
9. HPF switch
10. BOOST footswitch
11. BOOST active LED
12. MUTE active LED
13. MUTE footswitch
5 Rear Panel Connectors
PUSH
1
2
3
1 2 3 4 5 6
1. 9VDC power input – 2.1mm center negative
2. DI out, balanced XLR transformer isolated
3. Unbalanced AMP line output 1/4” TS
4. Insert return 1/4” TS
5. Insert send 1/4” TS
6. MICROPHONE input XLR
6 Unpacking and Installing
This REX has arrived to you in a box that features Korvu®
internal packaging, which was carefully designed to protect
its contents from the uncertain world of freight handling. We
recommend you hang on to this box in the event that you
want to ship it somewhere, it will beat having to rummage
around for a box and bubble wrap or worse, Styrofoam
peanuts. This box contains:
• Your new preamp, REX
• 9VDC power supply
• A USB stick with this Owner’s manual
In the event that your are missing any of these items, please
contact your retailer or us directly at 303-823-8100 and we will
get you squared away.
6.1 INSTALLING
REX is designed to operate like any normal footpedal - at your
feet. You can carry it in your guitar case, shoulder bag, upon a
magic oating pillow, or strapped to your pedalboard. If you
choose the latter, you can remove the 4 threaded rubber feet
to allow mounting with Velcro. Hang on to those rubber feet
though, you may want them down the road. Also, remember
that when mounting it to your pedalboard, do so in a way