Radial Engineering PowerPre 500 Series Mic Preamp Module

Specifications are subject to change without notice.
*Refers to use with Radial Workhorse rack and mixer

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 +0/-1dB

Input Impedance:

2.2kΩ (1.5kΩ with pad)

Mic preamp gain:

+55dB

Maximum gain:

+70dB when used with Workhorse*

Maximum output:

+22dBu

Output impedance:

75O @ 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:

150kΩ, unbalanced*

Instrument preamp gain:

+55dB, unbalanced*

Equivalent Input Noise (EIN):

-95dBu, unbalanced*

Total Harmonic Distortion (THD+N):

0.05% @ mid gain with +10dB output

Control Panel

Meter:

10 segment peak indicator with hold

Pad:

-15dB

Polarity:

Inverts pins 2 and 3 at XLR input*

High-pass filter:

150Hz cut off, -3dB @ 100Hz

Vox Control:

3 position preset EQ

Phantom power:

48VDC - 10mA (as supplied by 500 frame)

XLR configuration:

AES spec: pin-1 ground, pin-2 (+), pin-3 (-)

Ground lift (rear panel):

Lifts ground on front panel XLR input only

Mechanical

Weight:

1.5lbs (0.7Kg)

Shipping size:

9 x 6.5 x 2 (inches)

Compliance (API):

Yes

Compliance (WHOS-Doc):

Yes

Conditions:

For use in dry locations only between 5°C and 40°C

Warranty:

3 years, transferable