Joemeek preQ 500 500-Series Preamplifier Module

Joemeek preQ 500 500-Series Preamplifier Module

Joemeek preQ 500 500-Series Preamplifier Module

B&H # JOPREQ500 MFR # PREQ500
Joemeek preQ 500 500-Series Preamplifier Module

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Overview
  • 1Description

The Joemeek preQ 500 Preamplifier is engineered using a high-quality Cinemag microphone transformer and low-noise Burr Brown audiophile amplifiers throughout the signal path. Simple to use yet powerful, this preamplifier will give the gloss of a professional studio production to all your recordings. It is also suitable for live performances.

Microphones need rather a lot of amplification and also need to be connected to low-impedance inputs, while instruments need less amplification and prefer high-impedance inputs. To ensure correct impedance matching, the inputs are separated into a balanced XLR connector for microphones and an unbalanced 1/4" jack instrument connector.

The Preamp GAIN knob allows you to set the amount of audio amplification. Too little gain makes the sound too quiet, while too much gain makes the signal distorted.
Peak Program Meter displays the maximum audio level in dB relative to the 4 dBu operating level.
The 48V phantom power switch feeds 48V to the rear-panel XLR connector in order to power condenser microphones.
The PAD switch selects 25 dB attenuation of the microphone (XLR) input.
The ∅ switch reverses the phase of all inputs.
DE-S is a classic optical De-Esser that reduces the impact of "S" and "T" sibilance. The rotary control sets the threshold above which gain reduction is applied to the "Ess" sound and the red LED lights when gain reduction is taking place. The HI switch concentrates operation at a higher pitch.
The HPF (High-Pass Filter) is mainly for use with microphones. It helps remove low-frequency rumble and handling noise. You can press the ON switch for steep attenuation of input frequencies below that set by the rotary control.
The INSTRUMENT Input is a high-impedance input for guitars and other high-impedance instruments. Plugging in here overrides anything plugged into the rear panel XLR input.
RoHS complaint
UPC: 860207000643
In the Box
Joemeek preQ 500 500-Series Preamplifier Module
  • Limited 1-Year Warranty on Parts & Labor
  • Table of Contents
    • 1Description
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    Specifications
    Input Impedance Microphone: 1.2 kΩ
    Instrument: 2.2 MΩ
    Common Mode Rejection 70 dB
    Equivalent Input Noise -127.5 dBu (unweighted, 150 Ω source)
    Distortion 0.001% (4 dBu output, 1 kHz)
    Frequency Response 10 Hz to 70 kHz (-3 dB)
    Overall Gain Microphone: 25 to 65 dB (variable)
    Instrument: 5 to 45 dB (variable)
    Pad 25 dB attenuation
    Maximum Input Before Clipping Microphone: 4 dBu (24 dB with Pad)
    Instrument: 22 dBu
    Maximum Output Before Clipping: 28 dBu (10 kΩ load)
    High Pass Filter 12 dB per octave cut, below 20 to 200 Hz (variable)
    Nominal Output Level 4 dBu (Electronically balanced)
    Output Impedance 100 Ω
    Output Noise -85 dBu (Typical, with approximately 40 dB microphone gain)
    Meter PPM: 8-segment LED bar graph
    Current Requirements 130 mA (maximum) per rail
    Compliance VPI Alliance, WHOS-Doc
    Dimensions Standard 500-series rack format
    Weight 23 oz (650 g)
    Packaging Info
    Package Weight 1.25 lb
    Box Dimensions (LxWxH) 10.1 x 7.6 x 2.7"

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