Grace Design M501-GRACE 500 Series Single-Channel Preamp/DI Module

OUR PART #: M501-GRACE

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The Grace Design m501 is the 500 series module version of their m101 mic preamplifier. ...Read more

Grace Design M501-GRACE 500 Series Single-Channel Preamp/DI Module Image 1
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Grace Design M501-GRACE 500 Series Single-Channel Preamp/DI Module
Our Price: $745.00
List Price: $825.00
You save 10%!

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Product Overview

The Grace Design m501 is the 500 series module version of their m101 mic preamplifier. Now the signature transparency and detail of Grace's circuit designs is available for your 500 series frame.

While the 500 series market has plenty of colored mic preamplifier options, the natural, musical clarity of the m501 makes it a welcome addition to the field. This circuit is for engineers confident with the quality of the source, mic section and placement, and wish to capture it with as little coloration or distortion as possible.

The m501 module is a balanced, transformerles design, with 48V phantom, a 75Hz HPF and a 1/4” HI-Z instrument input. Also standard is an exclusive ribbon mic mode, which raises the mic input impedance, bypasses the input decoupling capacitors and deactivates 48V phantom to protect delicate ribbon mics from damage.

Large diaphragm, vintage ribbon or trusty dynamic - the m501 brings out the very best in any microphone and takes the guesswork out of your input chain.

Grace Design m501 Features:

  • Fast and musical transimpedance architecture
  • Updated audio path with 0.5% precision metal film resistors
  • 12-position gold-plated rotary gain switch
  • High performance output line driver amplifier and HPF amplifier
  • Ribbon mic mode (also great for dynamic mics) - Relay bypass of phantom power decoupling capacitors, increased input impedance, and 48V lockout
  • Wider 10-75dB gain range
  • Enhanced RFI interference suppression
  • Three output connectors: XLR balanced, TRS balanced and 1/4" unbalanced
  • Bombproof laser-etched black anodized front panel
  • Sealed gold contact relay for Hi-Z input switching
  • Built-in power supply - no wall-wart!
  • Led indicators for +48V, Ribbon mode, and HPF
  • Made in the USA
  • Comes with Grace Design's transferrable EON Limited 20 Year Warranty!

Grace Design m501 Specifications:

  • GAIN RANGE (5dB steps)
    • Mic input 10-65dB
    • Hi-Z input -10-45dB
    • Output trim control 0 to +10dB
  • THD+N 1kHz, 22Hz-22kHz BW
    • @ 20dB Gain +20dBu out < 0.00085%
    • @ 40dB Gain +20dBu out < 0.0010%
    • @ 60dB Gain +20dBu out < 0.0050%
  • INTERMODULATION DISTORTION
    • @ 40dB Gain, +20dBu out
    • SMPTE/DIN 4:1 7kHz/50Hz < 0.0020
  • NOISE - REFERRED TO INPUT @ 60dB Gain
    • 50 ohm source < -130dB
    • 150 ohm source < -128dB
    • 600 ohm source < -124dB
  • CMRR, @60dB Gain, 3.5Vcm
    • 100Hz > 55dB
    • 1kHz > 75dB
    • 10kHz > 65dB
  • PHASE DEVIATION (HPF off)
  • FREQUENCY RESPONSE
    • Mic input @ 40dB Gain -3dB 3.8Hz-288kHz
    • Mic input @ 40dB Gain -0.5dB 8.35Hz-135kHz
    • Hi-Z input @ 20dB Gain -3dB 1.7Hz-180kHz
    • Hi-Z input @ 20dB Gain -0.5dB 4Hz-72kHz
  • IMPEDANCE
    • Mic input 8.1k ohms
    • Mic input, Ribbon mode 20k ohms
    • Hi-Z input (unbalanced) 2.5M ohms
    • Hi-Z input (balanced) 5M ohms
    • Balanced Output 300 ohms
    • Unbalanced Output 150 ohms
  • PEAK LED METER
    • Green threshold -12dBu
    • Red threshold +16dBu
    • MAXIMUM OUTPUT LEVEL
    • 100k Ohm load, 0.1% THD , 1kHz, API Lunchbox 27dBu
  • WEIGHT and DIMENSIONS
    • 5.25" H x 1.5" W x 6.6" D (13.34 x 3.81 x 16.75 cm)
    • 0.7 lb (316 g)
  • POWER CONSUMPTION
    • Current required from +16V and -16V power supplies 120mA Max

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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