Radial Engineering Ltd.
PowerPre 500 Module
True to the Music
®
8
* Subject to change without notice.
CONNECTOR WIRING
HOT (+)
COLD (-)
GROUND
TRS ¼” Phone Connector
HOT (+)
GROUND
TS ¼” Phone Connector
RADIAL POWERPRE 500 SPECIFICATIONS*
Microphone Input
Circuit Type:
100% discrete, transformer coupled output
Microphone Input:
Accustate input fully variable gain control
Current Draw:
130mA (maximum draw)
Frequency Response:
20Hz ~ 20KHz +0dB/-1dB
Input Impedance:
2.2k Ohms (1.5k Ohms with pad)
Mic Preamp Gain:
+55dB
Maximum Gain:
+70dB when used with Workhorse**
Maximum Output:
+22dBu
Output Impedance:
75 Ohms @ 1kHz
Output Type:
Transformer isolated
Common Mode Rejection (CMRR):
>75dB
Equivalent Input Noise (EIN):
-122dBu @ maximum gain
Dynamic Range:
>97dB
Total Harmonic Distortion (THD+N):
0.03% @ mid gain with +10dBu output
Intermodulation Distortion (IMD):
0.012% @ 50dB gain with +10dBu output
Instrument Input
Omniport Input Impedance:
150k Ohms, unbalanced*
Instrument Preamp Gain:
+55dB
Equivalent Input Noise (EIN):
-95dBu
Total Harmonic Distortion (THD+N):
0.05% @ mid gain with +10dB output
Meter:
10 segment peak indicator with hold
Pad: -15dB
Polarity:
Inverts pins 2 and 3 at XLR input*
High-pass fi lter:
150Hz cut off, -3dB @ 100Hz
Vox Control:
3 position preset EQ
Phantom Power:
48VDC - 10mA (as supplied by 500 frame)
XLR Confi guration:
Follows AES spec: pin-1 ground, pin-2 (+), pin-3 (-)
Ground Lift (rear panel):
Lifts ground on front panel XLR input only
Size:
Standard 500 Series format
Weight: 1.5
lbs.
(0.7
kg)
Compliance (API):
Yes
Compliance (WHOS-Doc):
Yes
Warranty: 3
years,
transferable
** Refers to use with Radial Workhorse rack and mixer
1
2
3
HOT (+)
GROUND
COLD (-)
XLR Connector
