PreComp™ Preamp and VCA Compressor
True to the Music
®
Radial Engineering Ltd.
8
BLOCK DIAGRAM
Preamp circuit type: .....................................Accustate input with variable gain front end.
Compressor circuit type: ..............................Feed forward VCA compressor with true RMS sidechain.
Frequency response: ...................................20Hz ~ 20kHz (-1.5dB @ 20Hz)
Total harmonic distortion: .............................<0.003%
Dynamic range: ...........................................112dB
Input impedance: .........................................3.3kOhms
Maximum input: ...........................................+24dBu
Maximum gain: ............................................55dB
Make up gain: ..............................................Up to +25dB
Output impedance: ......................................300 Ohms
Equivalent input noise: ................................-120dBu
Noise fl oor: ..................................................-85dB @ +40dB of gain
Intermodulation distortion: ...........................0.03%
LED Meter: ..................................................Below threshold (green), above threshold (amber), over load (red)
Omniport Function: ......................................Insert point - Tip: Preamp output / Ring: Compressor input
Power requirement: .....................................56mA
XLR Confi guration: ......................................Follows AES spec: pin-1 ground, pin-2 (+), pin-3 (-)
Size: .............................................................5.25” x 1.5” x 6.6” (13.34 x 3.81 x 16.75cm)
Standard 500 series rack format
Weight: ........................................................1.5lbs (0.7Kg)
Warranty: .....................................................3 Years, transferable
RADIAL PRECOMP 500 SPECIFICATIONS*
PHANTOM
HIGH
PASS
FILTER
POWER
SPEED
FAST/
SLOW
RMS
DETECT
/THRSH
VOLTAGE
CONTROLLED
AMPLIFER
PHASE
MIC
PREAMP
RATIO
CONTROL
MAKEUP
GAIN
REVERSE
PHASE
INVERTER
BUSS
OUTPUT
SIDE CHAIN
REAR
PANEL
INPUT
OMNI TIP (SEND)
OMNI RING (RECEIVE)
IN/BYPASS
REAR MINI-TOGGLE
RE
A
R
P
A
N
EL
O
U
TP
U
T
O/D
LED
ACCUSTATE
GAIN
UNBALANCED
INSERT
OMNIPORT
OUT+
OUT-
BELOW
ABOVE
LED METER
