User guide

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