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Radial Engineering PowerPre Mic Preamplifier

Item #: 
1302553613617
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The Radial PowerPre Microphone Preamp is one of the eight modules designed to be comprise the Radial Workhorse Rack and Mixer System that combines the popular 500 series platform with an incredibly fl... Click To Read More About This Product

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Overview

The Radial PowerPre Microphone Preamp is one of the eight modules designed to be comprise the Radial Workhorse Rack and Mixer System that combines the popular 500 series platform with an incredibly flexible patching system to let you create the ultimate studio environment.

The Radial PowerPre is a high performance microphone preamplifier designed to be used with the Radial Workhorse and other 500 series modular racks. It features 100% discrete components for optimal signal transfer and employs a 'vintage' Hammond broadcast output transformer for warmth and exceptionally smooth tone.

The design begins with a front mounted XLR for instant connectivity plus a recessed 48V phantom power switch for safety. Unlike most mic preamps that require careful gain adjustment to avoid troublesome noise, the PowerPre is equipped with the newly developed AccuState input stage that automatically optimizes signal-to-noise at all levels with up to 55dB of gain. This is supported with a full 10 segment LED meter for precise signal monitoring.

To add extra character; a 3-position Vox control lets you set the PowerPre to 'breath' for added high frequency air such as when accentuating a vocal track or adding harmonic content to an acoustic guitar. The 'punch' setting adds body when recording electric guitar or can be used to fatten a voice. When set to linear, the PowerPre delivers a truly natural rendering for orchestral recording that will suit the most demanding purist. This is augmented with a gentle high-pass filter that helps control low end resonance when layering acoustic instruments.

FEATURES

Hand selected 100% discrete electronics
Hammond broadcast transformer output
AccuState low-noise input circuit
3-position Vox control for added air or punch
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 +0/-1dB Input
Impedance: 2.2kÎ (1.5kÎ 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: 150kÎ, 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: 1.5lb. (0.7Kg)
Shipping size: 9 x 6.5 x 2 (inches)
Compliance (API): Yes
Compliance (WHOS-Doc): Yes
Warranty: 3 years, transferables
Pro Coverage
MANUFACTURER'S WARRANTY
90 day warranty on footswitch and tubes. One year warranty on all other products.


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