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Description
Grace Design m108 8-Channel Remote-Controlled Mic Preamplifier / ADC8 Channel Preamp & ADC Mic & Hi Z Inputs Gain Range of 8 to 74 dB Transformerless Preamp Design 48V Phantom power, Phase Reversal Multiple Digital I Os: AES, USB & More External Word Clock I Os RJ45 Ethernet Port, DANTE Compatible RS 485 422 Serial MIDI Ports 1 RU Rackmount Unit The Grace Design m108 is a rack mountable eight channel preamplifier and ADC providing connection points for eight microphones on the rear panel, as well as two Hi Z
- 8-Channel Preamp & ADC
- Mic & Hi-Z Inputs
- Gain Range of -8 to 74 dB
- Transformerless Preamp Design
- 48V Phantom power, Phase Reversal
- Multiple Digital I/Os: AES, USB & More
- External Word Clock I/Os
- RJ45 Ethernet Port, DANTE Compatible
- RS 485/422 Serial / MIDI Ports
- 1 RU Rackmount Unit
The Grace Design m108 is a rack-mountable eight-channel preamplifier and ADC providing connection points for eight microphones on the rear panel, as well as two Hi-Z instrument inputs on the front. With this unit, you can either achieve analog amplification through its transformerless, transimpedance design, or utilize its on-board conversion stages to route signal into your DAW in a variety of digital output formats, including AES, ADAT, and USB. The unit is also remote-controllable, able to receive commands from Grace's m802 remote control unit or Pro Tools via on-board 485/422 serial / MIDI ports.
Its push-button rotary knob handles the navigating and instantiation of various operations, though dedicated push-buttons are assigned for essential needs, such as 48V phantom power switching, phase reversal, channel grouping, and clearing peaks on the meter. A headphone output with integrated headphone amplifier allows for low-latency monitoring of assignable channel pairs, or for listening to USB playback from a source-computer.
The m108 features word clock I/Os and optional expansion slots to interface with Dante networks. Furthermore, this device is compatible with m802s, so you integrate this unit into any existing m802 system
- Notable Features
-
- 8 channels of balanced analog preamp outputs
- 8 mic preamplifiers
- Gain range of -8 to 74 dB
- Ribbon mic mode
- 8 channels of 192 kHz ADC outputs via AES, ADAT (4ch SMUX) and USB Class 2
- External Word clock in and out
- Reference DAC and headphone amplifier for low-latency monitoring of channel pairs or USB playback from a computer
- Channel 1 and 2 Hi-Z inputs on front panel
- High contrast, wide viewing angle OLED display for all system parameters and setup menu
- Combination RS 485/422 serial / MIDI ports for control from existing m802 RCU or Pro Tools
- RJ45 Ethernet port for network control
- Expansion slot for optional Audinate / Dante network audio card
- On-board Cooling fan
- Built-in 100-240 VAC power supply
- Made in the USA
UPC: 823821106115
In the Box
Grace Design m108 8-Channel Remote-Controlled Mic Preamplifier / ADC
- Limited 5-Year Warranty
| Packaging Info | |
|---|---|
| Package Weight | 12.6 lb |
| Box Dimensions (LxWxH) | 26.25 x 18.2 x 6.7" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Exceptional Brain Health Supplement – Highly Recommended!
Flavor Name: Unflavored, Size: 90 Count (Pack of 1)
Jarrow Formulas MagMind Brain Health with Magtein** is an outstanding dietary supplement that delivers on its promises. I’m delighted to give it a five-star review for its effectiveness, quality, and support for cognitive health.
The use of Magtein (Magnesium L-Threonate) in this supplement is a significant plus. This form of magnesium is known for its superior ability to cross the blood-brain barrier, making it particularly effective for brain health. I’ve noticed a positive impact on my memory and cognitive function since starting this supplement, which is exactly what I was hoping for.
The capsules are easy to take and well-tolerated. I appreciate that the supplement comes in a 90-capsule bottle, providing a 30-day supply, which is convenient for consistent use. The quality of the ingredients is evident, and Jarrow Formulas is a reputable brand known for its high standards in supplement manufacturing.
The benefits have been noticeable in my daily life. Improved focus and mental clarity are some of the key advantages I’ve experienced. It’s great to have a supplement that supports brain health and memory in such a practical and effective way.
Overall, **Jarrow Formulas MagMind Brain Health** is a top-notch supplement that lives up to its claims. It’s a fantastic choice for anyone looking to enhance their cognitive function and memory. I highly recommend it and give it five stars for its quality, effectiveness, and overall contribution to brain health!
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Reviewed in the United States on August 19, 2024
★★★★★ 5
A MAJOR shift for Mg supplements! No side effects and got off ReMag. Best product for me in years!
Flavor Name: Unflavored, Size: 90 Count (Pack of 1)
The big issue with magnesium: we need it, yet for most of us it causes intolerable side effects.
ReMag:
I started on ReMag (a liquid Mg) years ago. Dr. Dean's book sold me on taking Mg and it's helped. I did try a Mg pill supplement then and sure enough, major abdominal pain. But with ReMag I was able to get off of Rx anti acid reflux medication. Her ReMag liquid worked great without pain. BUT it ended up being more inconvenient than I would ever have realized. It's hard to remember to slowly dose throughout the day (I had timers going) and you can't carry a drink to some places. Even worse, if I missed it, got too much at once, or didn't get enough in EVERY day, my body would let me know in bad ways.
Jarrow:
Finally Jarrow solved this and I can take magnesium pills without the huge inconveniences mentioned. I decided to try it out and was able to smoothly transfer over to Jarrow without much issue. And absolutely NO side effects like the typical abdominal pain of other products.
I cannot recommend this product enough if you're looking for a magnesium supplement without side effects or like me you use ReMag but can't stand the the high maintenance of it.
It is helpful to know that if your body is magnesium depleted, starting on Mg may cause weird side effects like an anxiety attack. It's not the fault of the Mg product, it's due to having too little Mg for too long and the body needs time to adjust to getting it. Vitamin D is the same way. And being on anti acid reflux medication results in low Mg & D.
Dr. Dean's book thankfully explains all this.
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Reviewed in the United States on March 4, 2025
★★★★★ 5
Great quality for price
Flavor Name: Unflavored, Size: 90 Count (Pack of 2)
Great value for the quantity and quality. Easy to swallow, no issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
★★★★★ 5
Boosted Energy & Great Quality Cinnamon Supplement! ✨💪
Size: 60 Count (Pack of 1)
I’ve been taking these Ceylon Cinnamon Capsules for a few weeks now, and I’m honestly impressed with the results. I’ve noticed better energy levels throughout the day, less fatigue, and overall I just feel healthier. The capsules are easy to swallow, have no bad aftertaste, and the quality feels premium. I also like that they’re made with true Ceylon cinnamon, which is known to be a cleaner and safer option compared to regular cinnamon supplements. Great for supporting metabolism and daily wellness. Definitely a product I’ll continue using and highly recommend!” ✨💪
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Noticeable Comfort and Joint Support
Size: 60 Count (Pack of 1)
The Ceylon Cinnamon Capsules – Extra Strength have been a great addition to my daily routine, and I’m genuinely impressed with the results. After consistent use, I noticed reduced knee pain, and the swelling in my knees has also gone down, which has made a real difference in day-to-day comfort and mobility.
The capsules are easy to swallow and gentle on the stomach, which I really appreciate. Knowing this is Ceylon cinnamon—often considered higher quality than standard cinnamon—gave me confidence in the product, and it definitely feels well-made and thoughtfully formulated.
Over time, I found that stiffness decreased and movement felt easier, especially after being on my feet for long periods. While results can vary from person to person, this supplement worked well for me and supported my overall joint comfort without any unwanted side effects.
Overall, this is a high-quality cinnamon supplement that delivered real, noticeable benefits for my knees. If you’re looking for a natural supplement to support comfort and reduce inflammation-related discomfort, these extra-strength Ceylon Cinnamon capsules are absolutely worth trying.
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Reviewed in the United States on April 10, 2026