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Radial PowerPre

Microphone Preamplifier

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About this item

Product

Description

The Radial PowerPre is a high-performance microphone preamplifier designed for use with any 500 series modular rack, featuring 100% discrete components for optimal signal transfer and a Hammond output transformer for a smooth and warm tone.

  • Hand-selected 100% discrete electronics
  • Hammond broadcast transformer output
  • AccuState low-noise input circuit
  • 3-position Vox control for added air or punch

Quiet operation with added character

The PowerPre is designed for clean low-noise operation, with an AccuState input stage that automatically optimizes signal-to-noise at all levels with up to 55dB of gain available. A Hammond broadcast transformer on the output provides vintage warmth and a classic smooth tone, and a Vox switch allows you to add extra character to the signal: The Breath setting adds high-frequency air that can accentuate a vocal track or add harmonic content to an acoustic guitar, while the Punch setting adds body when recording electric guitar or it can be used to fatten up bass tracks.

The PowerPre has been optimized for a sonic character while still delivering exceptional specifications. With 55dB of pure gain, yet measuring less than -122dBu of noise and greater than 97dB of dynamic handling, the PowerPre is more than capable of handling just about any microphone or source. During listening tests, the sound proves to be remarkably smooth yet astonishingly quiet. This is attributed to attention detail with respect to grounding and part placement along with use of the discrete electronics and the Hammond output transformer. The Vox control adds yet another dimension by introducing two carefully sculpted curves that will enhance and flatter most microphones.

Specifications
Audio circuit type:100% discrete, transformer coupled output
Frequency response:20Hz ~ 20KHz +0/-1dB
Dynamic range:>97dB
Gain:+55dB
Total harmonic distortion:0.03% @ mid gain with +10dBu output
Intermodulation Distortion:0.012% @ 50dB gain with +10dBu output
Input Impedance:2.2kΩ (1.5kΩ with pad)
Output Impedance:75Ω @ 1kHz
Common Mode Rejection Ratio:>75dB
Equivalent Input Noise:-122dBu @ maximum gain
Maximum Input:+70dB when used with Workhorse*
Maximum Output:+22dBu
Maximum Power Rating:130mA (maximum draw)
Features
Input pad, 180° polarity reverse, Ground lift, HPF, Phantom Power
Input Connectors:XLR
Output Connectors:XLR
General
Weight:1.5lbs (0.7Kg)
Shipping size (L x W x D):9 x 6.5 x 2 (inches)
Conditions:For use in dry locations only between 5°C and 40°C
Warranty:Radial 3-year, transferable

 

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