AEA rpq500 Owner's Manual

Versatile mic preamp in the 500 series format
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ribbonmics & preamps
since 1964
www.ribbonmics.com | tel: +1-626-798-9128 | fax: +1-626-798-2378
aea
rpq500
VERSATILE MIC PREAMP IN THE 500 SERIES FORMAT
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OWNER'S MANUAL
Revision 1, September 2016

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Summary of Contents for AEA rpq500

  • Page 1 & preamps since 1964 www.ribbonmics.com | tel: +1-626-798-9128 | fax: +1-626-798-2378 rpq500 VERSATILE MIC PREAMP IN THE 500 SERIES FORMAT OWNER’S MANUAL Revision 1, September 2016...
  • Page 2: Welcome

    Congratulations on your purchase of the AEA RPQ500 preamp and welcome to the AEA family. Here at AEA, we put the same thought and care into the RPQ500 as we put into the development of our microphones – the sound of the music comes first. Building on the obstacles identified when designing preamps in the 50’s, we now use...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS WELCOME INTRODUCTION GENERAL GUIDELINES FRONT PANEL GUIDE INPUT & OUTPUT CONNECTIONS Input Connections Line Input Mode Output Connections Input Impedance SETTING THE GAIN Microphone Input Mode Line Input Mode THE EQ SYSTEM Using the LF Filter Using the HF CurveShaper ™...
  • Page 4: Introduction

    In fact, by virtue of its sonic qualities and versatility, the RPQ500 is the tool of choice for all microphones – condensers, moving-coil, and ribbons alike –...
  • Page 5: Front Panel Guide

    The AEA RPQ500 preamp is a API VPR approved 500 module. Certi- fication in this program guarantees our 500 series product fulfills API’s rack design specifications, including physical and electrical consistency guidelines and standardization. It is strongly recommended that you use a rack that is well-qualified for current API 500 module standards.
  • Page 6 3 - High Frequency (HF) In switch: OUT is true bypass; IN inserts the CurveShaper™ circuitry. 4 - Curve Frequency control: This continuously variable control adjusts the +3dB break-frequency from 2.5 kHz to 30 kHz. 5 - Low Frequency (LF) In switch: OUT is bypass;...
  • Page 7: Input & Output Connections

    Phantom power cannot and should not be applied to line-level devices. In Line Input mode, the inputs of the RPQ500 will always be free from phantom power, even if it is accidentally engaged. Nevertheless, it is recommended to keep the phantom power off when the unit is used in this mode.
  • Page 8: Input Impedance

    SETTING THE GAIN The RPQ500’s JFET circuit design generates up to 81dB of clean and quiet gain, with extended bandwidth from below 1 Hz to beyond 200 kHz, for dynamic range and transient response that complements all microphones.
  • Page 9: Microphone Input Mode

    DAW, console, or tape machine. On the RPQ500, if the red LED is illuminated too often or too long, reduce the Mic Gain control one step at a time until it illuminates only briefly at the loudest peaks.
  • Page 10: The Eq System

    “bass tip-up,” becomes more pronounced the closer the distance. With some large transducer microphones, such as the AEA/RCA R44, proximity effect begins at six feet and is extremely pronounced at a distance of one inch. LF filters can tame proximity effect and reduce other unwanted low- frequency noise, such as air-conditioning rumble, traffic noise, “P-pops”...
  • Page 11: Using The Hf Curveshaper™ Eq

    Using the HF CurveShaper™ EQ The RPQ500 features a unique CurveShaper™ circuit that enables you to add a little extra “presence” or “air” to compensate for high-frequency losses that are inherent to most ribbon microphones, the result of distant mic placement, or to restore presence in a “dry”...
  • Page 12 AEA RPQ500 CurveShaper™ HF Response at Full-Boost Gain control (ref. #2). The two controls are interactive, so as with the LF filter, listen carefully to determine at what frequency and gain setting AEA RPQ500 CurveShaper™ HF Response at Half-Boost...
  • Page 13 In Line Input mode, the CurveShaper™ becomes a versatile EQ to add presence or air to any line level signal on a mix or even in mastering. Be careful when you add Curve Gain because this also affects the overall gain structure of the preamplifier and could introduce overload distortion.
  • Page 14: Specifications

    0.125” anodized aluminum front panel mea- Dimensions: sured with knobs and switches: 1.5” w, 6.8” d, 4.5” h (3.8cm x 17.27cm x 11.43cm) 11.7oz (~0.33 kg) Weight: Download the RPQ500 recall sheet online at www.ribbonmics.com/preamps/rpq500 THE RPQ500 IS AN API VPR-APPROVED MODULE...
  • Page 16: Warranty

    Please see the supplied warranty card for details. Registering your preamp with AEA will extend the warranty to a full three years. Simply fill out the supplied registration form and send it to: Audio Engineering Associates 1029 N.

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