Grace Design m101

1-channel Microphone/Instrument Preamp with Balanced, Unbalanced, and Instrument Inputs
Grace Design m101 image 1
Grace Design m101 image 1
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Grace Design m101
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Affordable quality from Grace Designs!

The Grace Design m101 mic pre represents a retooling of the hugely successful Model 101 mic pre. The m101's signal path incorporates 0.5% precision metal film resistors for optimal signal clarity. A 12-position gold-plated rotary gain switch with a higher performance output line driver and HPF amplifier are onboard. Also new on the m101 is ribbon mode, with plenty of gain and a relay bypass de-activating phantom power to protect your ribbon mics. The power supply is now built in, eliminating the wall wart with the m101.

Grace Design m101 at a Glance:
  • Grace Design Quality
  • Plug The Grace m101 In
  • Rugged Grace Construction
Grace Design Quality

The Grace m101 is a single serving of the critically acclaimed Grace Design microphone preamplifier. The Grace m101 sports updated components inside and out. The former silver exterior has been replaced with a sleek black finish. The model m101 is also fully balanced and transformerless with no electrolytic capacitors in the signal path. There are 0.5% precision metal film resistors in the signal path and a 12-position gold plated rotary gain switch. With incredible bandwidth, headroom and resolution, the Grace m101 is remarkably natural, musical and detailed. Also, the Grace m101 is equipped with an extended gain range input (10-75dB) 'Grace Designed' for gain-hungry ribbon microphones.

Plug The Grace m101 In

The included instrument DI input of the Grace m101 is designed to accommodate a wide variety of high impedance input sources, making the Grace m101 an excellent choice as a DI box which will flawlessly preserve the sound of the instrument - imagine the same resolution and detail as Grace microphone preamplifiers available for direct-inject recording situations.

Rugged Grace Construction

To top it off, the Grace Design m101 mic pre is completely rugged and road worthy, so discerning live performers can use the m101 to achieve studio quality sound with their live setups. The Grace m101 mic pre is rack mountable in a standard 1U rack tray, and two units will happily nest side by side in one rack space. Equally at home amplifying a vintage condenser mic or an acoustic guitar, the Grace model m101 delivers results previously available only to big budget studios and Grammy-winning engineers. The Grace Design m101 mic pre may well be the ultimate microphone preamplifier for under $1000.

Grace Design m101 Features:
  • 1-channel
  • The audio signal path incorporates 0.5% precision metal film resistors
  • 12-position gold plated rotary gain switch
  • Higher performance output line driver amplifier and HPF amplifier
  • Ribbon mic mode now included as standard - relay bypass of phantom power decoupling capacitors, increased input impedance and +48V lockout
  • Wide 10-75dB gain range
  • Enhanced RFI suppression
  • Three output connectors: XLR balanced, 1/4" TRS balanced and 1/4" TS unbalanced
  • Sealed gold contact relay for hi-Z input switching
  • Built in, universal linear power supply (no more "wall wart")
  • LED indicators for +48V, ribbon mode and HPF
  • Bold new look
The m101 from Grace Designs provides amazing sound with a modest price tag!

Additional Media

m101 User Manual
Studio Preamp Buying Guide

Tech Specs

Preamp Type Solid State
Number of Channels 1
Frequency Response 4.5Hz-390kHz (-3dB)
Phantom Power Yes
Analog Inputs 1 x XLR, 1 x 1/4" (Hi-Z)
Analog Outputs 1 x XLR, 1 x 1/4" (Balanced), 1 x 1/4" (Unbalanced)
Rack Spaces Half (1U)
Height 1.7"
Depth 9"
Width 8.5"
Weight 2.4 lbs.
Manufacturer Part Number AM101

Customer Reviews

Based on 23 reviews
Write your review

The track finally sounds like the amp!

I have been using interface preamps and less expensive outboard preamps, with a mix of mic'd and direct recording. The M101 has been a total game changer for both applications. The realism and definition of mic'd sources is astounding, and direct sources have a new lushness and organic quality. Done with mic pre's that "warm up your sound" (i.e., roll off treble), the Grace is now the centerpiece of my input signal path. A great product!

The hype is real!!!

I'm a hard customer to please, so when I just couldn't get the vocal I wanted from my Black Lion Auteur I looked elsewhere and found so many great reviews on the Grace M101. The Auteur is colored especially in the low mids, this preamp however is clean and crystal clear! Not much if any EQ is required in the mud range for my voice anyway! I'm very pleased with my purchase!! Now I can swap my mics out without worrying about if my preamp is affecting the sound! My advice..upgrade your preamp before you upgrade your mic and make sure its a Grace M101!!! I use the AT4050 microphone!
Music background: Hiphop/Rap R&B

Great preamp

This preamp is amazing. I have a neve portico 5012. Which cost $1,699.00. And a grace m101. Guess which one sounds more detailed and more professional. The grace. The portico isnt bad. its just more warm sounding since it has a transformer in it. Listen to alot of recordings. There all more detailed and crisp sounding now than warm and dark. Get the Grace you wont be let down
Music background: Producer, Sound Engineer Graduate from New York

Wonderful clarity of sound

From the moment I plugged into this preamp, I was impressed. It presents sound with such clarity and detail, and works very well with a wide variety of mics. It's got a good range of gain, and the built in selectable high pass filter is a nice addition. Overall, you just can't get this kind of performance for this price anywhere else. Now that I have one, I need another!
Music background: Musician

Incredible preamp

IMO, this is hands down the best preamp under $1000. Very clean and accurate. Be warned though that it WILL reveal all your limitations. If you have a good player, good instrument, and a good room, it will knock your socks off. If you are looking for a colored, character sounding pre, you will not be happy. This is as close to "wire with gain" that you will find in this price range. Wonderful box.
Music background: Recording engineer, studio owner, pro musician

Sweetwater Advice

Brad Every

This is one of the cleanest preamps on the market! I haven't run into anything that doesn't sound amazing through it!
See also: Grace Design, Grace Design Preamps