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User Manual for Grace Design m501 - Microphone Preamp Click to enlarge the picture
Contents of the user manual for the Grace Design m501 - Microphone Preamp
- Product category: Microphone Preamps Grace Design
- Brand: Grace Design
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Grace Design Microphone Preamps
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User manual for the Grace Design m501 - Microphone Preamp contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Grace Design product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Grace Design user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Grace Design product will considerably shorten its lifespan!
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Product description The m501 from Grace Designs is a 500 series microphone preamp module, based on the company's m101 microphone preamp. While the 500 series market has plenty of colored preamp options, the natural, musical clarity of the m501 makes it a welcome addition. This circuit is for engineers who wish to capture their sources with as little coloration or distortion as possible. The m501 module features a balanced, transformerless design, with 48V phantom, a 75Hz high-pass filter, and a 1/4" HI-Z instrument input. Also standard is a ribbon microphone mode, which raises the input impedance, bypasses the input decoupling capacitors and deactivates 48V phantom to protect delicate ribbon microphones from damage. - Single channel microphone preamp in the 500 series form factor
- Fast and musical transimpedance architecture
- Wide 10dB to 75dB gain range
- Updated audio path with 0.5% precision metal film resistors
- Sealed gold contact relay for Hi-Z input switching
- Ribbon microphone mode (also great for dynamic mics) - relay bypass of phantom power decoupling capacitors, increased input impedance and 48V lockout
- High performance output line driver amplifier and HPF amplifier
- Enhanced RFI interference suppression
- 12 position gold plated rotary gain switch
- 3 output connectors - XLR balanced, 1/4" TRS balanced and 1/4" TS unbalanced
- LED indicators for +48V, ribbon mode and high-pass filter
- Laser-etched black anodized frontpanel
UPC: 823821500005 In the Box Grace Design m501 - Microphone Preamp Five (5) Year Warranty Table of Contents
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Technical parametersGrace Design m501 Specs | Number of Channels | Single | | Inputs | 1 x XLR (on 500 rack) 1 x 1/4" TS phone Hi-Z Instrument (on module) | | Output | 1 x XLR 1 x 1/4" TRS phone 1 x 1/4" TS phone | | Phantom Power | +48V | | Multi Function | No | | Gain Range | 10dB to 75dB (including +10dB trim) | | Maximum Output Level | 27dBu (100kΩ load, 0.1% THD, 1kHz, API Lunchbox) | | Frequency Response | 3.8Hz to 288kHz, -3.0dB, microphone input @ 40dB gain 8.4Hz to 135kHz, -0.5dB, microphone input @ 40dB gain 1.7Hz to 180kHz, -3.0dB, instrument input @ 20dB gain 4Hz to 72kHz, -0.5dB, instrument input @ 20dB gain | | Noise | Referred to input @ 60dB gain: <-130db with 50Ω source <-128db with 150Ω source <-124dB with 600Ω source | | Power Requirements | 120mA maximum current required from +16V and -16V power supplies | | Dimensions (WxDxH) | 1.5 x 6.6 x 5.5" (38 x 168 x 140mm) | | Weight | 0.7 lbs (316g) | | Specialties | Ribbon microphone mode raises the input impedance, bypasses the input decoupling capacitors, and deactivates 48V phantom to protect delicate ribbon microphones from damage | | | | Package Weight | 1.65 lb | | Box Dimensions (LxWxH) | 12.1 x 10.3 x 4.4" |
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