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Description
Grace Design m501 - Microphone PreampFor 500 Series Racks Single Channel Wide Gain Range Hi Z Input Ribbon Microphone Mode Phantom Power High Pass Filter 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
- For 500 Series Racks
- Single Channel
- Wide Gain Range
- Hi-Z Input
- Ribbon Microphone Mode
- Phantom Power
- High-Pass Filter
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
- Made in the USA
UPC: 823821500005
In the Box
Grace Design m501 - Microphone Preamp
- Five (5) Year Warranty
| 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 (100k? 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 50? source <-128dB with 150? source <-124dB with 600? 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 |
| Packaging Info | |
|---|---|
| Package Weight | 1.65 lb |
| Box Dimensions (LxWxH) | 12.1 x 10.3 x 4.4" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.6 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Good product
It’s very comparable to the Neutrogena version. Its light on my face, does not leave a white cast, and doesn’t break me out. The price point is excellent compared to the name brand one. I go walking almost everyday and live in a sunny and hot area where the climate is hot all year round. I haven’t gotten burnt since wearing this sunscreen. Definitely recommend
*UPDATE*
This sunscreen gave me acne. I rarely breakout and I now have five pimples on my face. I do not recommend!!!
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Reviewed in the United States on November 14, 2024
★★★★★ 3
Burns My Eyes
If your eyes have a sensitivity to sunscreen, they may have a sensitivity to this one. This product made my eyes burn for two days, with multiple washings. I have had problems with La Roche Posay sunscreen — if that is a helpful association.
It has dimethicone —a silicone— in it (which might be the irritant). Its common in beauty products but some people avoid it for various reasons.
If you have no sensitivities and don’t mind the silicone, then it could be an acceptable option for the value. It went on smooth and light, left no cast, and had a very mild scent.
I will use it on my limbs, but I can’t use this on my face.
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Reviewed in the United States on September 15, 2023
★★★★★ 5
WORKS! LIGHT! EASY TO APPLY AND USE!
Took and trip and knew I would be out in the sun. I know this is for the face, but I used on my arms, legs and face. It is light and easy to apply. Not sticky and heavy as some sunblocks can be. I am very pleased with this purchase/find, as it works well and was a fabulous price for this tube.
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Reviewed in the United States on July 15, 2025
★★★★★ 5
Lightweight, Smooth, and Truly Unscented — My New Go-To Sunscreen
Size: 6 Fl Oz (Pack of 1), Style: SPF 50
This is the first time I tried this Banana Boat unscented sunscreen, and I’m genuinely impressed. One of the biggest things I look for in sunscreen is how it feels on the skin, and this one delivers—it’s not sticky at all and goes on very smooth. It’s easy to apply and absorbs quickly without leaving that heavy, greasy feeling.
I also really appreciate that it’s unscented. There’s no strong or unpleasant smell, which makes it much more comfortable to use daily.
I’ve used other brands before, like Neutrogena and some higher-priced options, but honestly, this one stands out. It performs just as well—if not better—at a more reasonable price.
Overall, this is a great sunscreen that I’ll definitely keep using. Highly recommended if you want something lightweight, smooth, and fragrance-free.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
BEST sunscreen on the market
Size: 6 Fl Oz (Pack of 1), Style: SPF 50
This sunscreen is truly the best sunscreen on the market. I have now bought 4 bottles, and plan to purchase more. It is extremely milky, dissolves onto the skin perfectly, it feels like you arent wearing any sunscreen at all. I tell everyone I know about this product.
I also purchase the FACE spf which is even more smooth. I wish they sold this in a giant container, because I apply this everyday !!
This sunscreen has made it more accessible for me to apply sunscreen daily, it also has very minimal scent, and never burns your eyes.
Personally I will never buy another type of sunscreen again after this sunscreen.
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Reviewed in the United States on June 8, 2026