Aphex J PRE 500 Series Microphone Preamp


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MSRP: $749.00 $549.00 Save : $200.00 (27%)
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MSRP: $749.00 $549.00 Save : $200.00 (27%)
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The single J PRE 500 provides affordable access to he legendary 1788A sound.

The J PRE 500 is inspired by the flagship Aphex 1788A remote controlled used in studios, on stage and in broadcast. They both use the same Jensen JT11K8 nickel input transformer while the J PRE 500 also features a Jensen JT-11DL nickel output-balancing transformer. The J PRE 500 features Aphex’s patented Mic-Limiter technology that works before the preamp. With the limiter on, it’s nearly impossible to clip the input of the preamp, making the J PRE 500 ideal for no-second-chance recording.

  • Front panel 10Mohm, ¼” input for the connection of instruments like guitar and bass. This input overrides the input on the rear of the receiving frame when connected.
  • A 3-way switch allows the selection of +16, +20 or +24dBu output levels.
  • The 20-segment input meter allows input levels to be easily seen, even from a distance.
  • 65 dB of gain to properly operate dynamic, condenser and ribbon microphones and a 26dB pad for very loud sources.
  • Illuminated buttons control Phantom Power, Phase Reverse, 75Hz High Pass Filter and Mic Limiter on/off.

  • Live Performance - The Aphex 1788A is an industry standard mic pre for live performance. It is commonly used for award shows like The Grammys, The Academy Awards and The Country Music Awards. The J PRE 500 is inspired by the preamp from the 1788A and includes Aphex’s patented Mic-Limiter technology that works before the preamp for those times when there is no second take.

  • Professional Studio Recording - When you plug into the J PRE-500, you’ll instantly think “This is the real deal – this is the sound people think of when they hear professional recordings from a big name studio!”. The ¼” input also makes it easy to run instruments through the mic pre without using a direct box.

  • Voice Over/ADR Recording - The J PRE 500 provides excellent sound for voice. The patented Aphex MicLims also come in handy when screaming or yelling is required in a recording. You’ll capture excellent sound quality without clipping the input of the preamp

  • Type Jensen JT-11K8-APC transformer, instrumentation second stage
  • Impedance 700 ohm nominal
  • Instrument Impedance 10M ohm nominal
  • CMRR >90dB @ 60Hz
  • Gain Range +26dB to +65dB (no pad, +24 level)
  • Pad 26dB
  • Max Input Level (limiter off) 0dBu (no pad), +26dBu (pad)
  • Limiter Aphex MicLim
  • Low Cut 3rd order, -3dB @ 80Hz

  • Type Transformer balanced, Jensen JT-11-DL
  • Nominal Level +4dBu
  • Maximum Level (Meter 0dB) +24/+20/+16 dBu switchable
  • Impedance 100 ohm nominal

  • THD <0.003% @ +4dBu out
  • Frequency Response +0.1/-1.0dB <10Hz to 45kHz
  • EIN -125dBu @ max gain

  • Current draw 95mA


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