Shop Now, Pay Later with Affirm. Learn More

Radial Engineering
PowerPre 500 Mic Preamplifier

Be the first to review this product

Item: N13-1962

Availability: In stock

PowerPre 500 Mic Preamplifier
PowerPre 500 Mic Preamplifier PowerPre 500 Mic Preamplifier

Radial PowerPre 500

The Radial Engineering PowerPre is a versatile and completely discrete preamp boasting a Hammond broadcast transformer and 3-position EQ that can be configured linearly for traditional recording duties, augmented voices, or with some extra punch for things like guitars. What’s more, the unit also provides 70dB of gain!

PowerPre 500 Features

  • 500-series compatible
  • 70dB of gain
  • Hand selected 100% discrete electronics
  • Hammond broadcast transformer output
  • AccuState low-noise input circuit
  • 3-position Vox control for added air or punch


Questions on PowerPre 500 Mic Preamplifier

No questions asked yet

Ask Your Own Question


  • 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
  • Warranty: 3 years, transferables

Customer Reviews

Write Your Own Review

You're reviewing: PowerPre 500 Mic Preamplifier

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars