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m501
Grace Design m501 - 500 Series Microphone Preamplifier
Now you can have the magnificence of the Grace Design m101 in a 500 module! The m501 features the same ribbon microphone mode as the m101, and offers the same transparent, musical tonal-character found in all of Grace Design’s pre-amps.
Requires a compatible 500 format rack-unit to operate. Sold Separately.
Type: 500 Series
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Grace Design m501 PRODUCT FEATURES:
Presenting the m501, our 500 series module version of the venerable m101 mic preamplifier. Now the signature transparency and detail of our circuit designs is available for your 500 series collection.
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 our 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.
Feature Summary:
Fast and musical transimpedance architecture
Precision audio path with 0.5% precision metal film resistors
New 12 position gold plated rotary gain switch
High performance output line driver amplifier and HPF amplifier
New Ribbon mic mode (also great for dynamic mics) - Relay bypass of phantom power decoupling capacitors, increased input impedance, and 48V lockout
Wide 10-75dB gain range
Enhanced RFI interference suppression
Bombproof laser-etched black anodized frontpanel
Sealed gold contact relay for Hi-Z input switching
Led indicators for +48V, Ribbon mode, and HPF
20 year EON year warranty on parts and labor
Built in the USA -
Grace Design m501 TECHNICAL 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%MAXIMUM OUTPUT LEVEL
100k Ohm load, 0.1% THD , 1kHz, API Lunchbox
27dBuWEIGHT and DIMENSIONS
316g
H13.34cm x W3.81cm x D16.75cm
POWER CONSUMPTION
Current required from +16V and -16V power supplies
120mA Max