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Description
Grace Design m101 - Microphone PreampSingle Channel Hi Z Input Ribbon Mic Mode Internal Power Supply The m101 from Grace Design is a single channel microphone preamplifier that uses the same fast, musical transimpedance amplifier architecture as the model 801 and model 201 , but packaged and priced to be within the reach of any recording engineer, musician or studio. The preamp now employs 0. 5% precision metal film resistors. An upgrade from the model 101, the unit still employs fully
- Single Channel
- Hi-Z Input
- Ribbon Mic Mode
- Internal Power Supply
The m101 from Grace Design is a single channel microphone preamplifier that uses the same fast, musical transimpedance amplifier architecture as the model 801 and model 201 , but packaged and priced to be within the reach of any recording engineer, musician or studio. The preamp now employs 0.5% precision metal film resistors.
An upgrade from the model 101, the unit still employs fully balanced, transformerless circuit topology and has no electrolytic capacitors in the signal path. With incredible bandwidth, headroom and resolution, the unit is remarkably natural, musical and detailed. A universal power supply is internally mounted.
The m101 features a ribbon microphone mode which provides additional gain that is usually required by that type of microphone. Pushing the dedicated ribbon switch does three things. Phantom power is locked-out to prevent potential damage to ribbon microphones, the impedance of the microphone input is raised from 8.1k? to 20k?, and the 48V DC blocking input capacitors are bypassed with sealed gold contact relays.
The included instrument DI input is designed to accommodate a wide variety of high impedance input sources, making the unit an excellent choice as a DI box which will flawlessly preserve the sound of any plugged-in instrument while imparting lackluster sounding instrument pickups with clarity and detail.
- Fully balanced, transformerless, single-channel microphone preamp with optimized DI instrument input
- Fast, musical transimpedance amplifier architecture
- Updated audio path with 0.5% precision metal film resistors
- Built in switchable 75Hz, 12dB/8ve high pass filter
- Precision 12-position, gold contact, rotary switch gain control
- 10 to 75dB gain range
- 10dB output trim controls for fine level adjustment
- Switchable 48V phantom power
- Ribbon microphone mode with an optimized signal path
- Input impedance, and 48V lockout
- No electrolytic capacitors in the signal path
- Enhanced RFI interference suppression
- Sealed gold contact relays for all signal switching
- Minimal internal signal wiring
- Three output connectors: XLR balanced, TRS balanced and 1/4" unbalanced
- Two color, bi-phase LED peak indicator
- Internal, universal power supply
- Made in the USA
UPC: 823821110105
| Number of Channels | Single |
| Inputs | 1 x XLR Microphone (rear panel) 1 x 1/4" TRS phone Instrument (front panel) |
| Output | 1 x XLR 1 x 1/4" TRS phone 1 x 1/4" TS phone |
| Phantom Power | Yes |
| Multi Function | No |
| Gain Range | 10dB to 65dB, in 5dB steps Output trim control adds 0dB to +10dB |
| Maximum Output Level | +25dBu, 100k? load, 0.1% THD |
| Frequency Response | Mic Input: 4.5Hz to 390kHz, -3dB @ 40dB gain Hi-Z Input: 2.5Hz to 195kHz, -3dB @ 20dB gain |
| Noise | <-124dB, 600? source |
| Power Requirements | 100~240VAC |
| Dimensions (WxDxH) | 8.5 x 9.0 x 1.7" (216 x 228 x 43mm) |
| Weight | 2.4 lbs (1.09 kg) |
| Specialties | Peak LED meter |
| Packaging Info | |
|---|---|
| Package Weight | 4.7 lb |
| Box Dimensions (LxWxH) | 16.4 x 14.2 x 4.7" |
In the Box
Grace Design m101 - Microphone Preamp
- AC Power Cable
- Five (5) Year Warranty (Transferable)
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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.7 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Robust pipe & fittings with a beautiful, smooth black finish
Size: side table leg
This set of pipe & fittings for use as low table legs is heavy duty and aesthetically pleasing. Especially when the pieces are handled, the tactile sensation is much nicer than with plumbing steel pipe because this product is beautifully finished smooth. The black pipes are quite smooth as well as the fittings.
The pieces are all also pretty robust, though the wall thicknesses are less than in pipe for pressurized water systems. Of course that makes sense as this product does not need to hold fluid pressure.
In my view they got the heaviness factor of this product just right; it's not as heavy or robust as black pipe used in natural gas supplies, but still robust and pretty heavy. Assembled, this product is absolutely stiff and unyielding for a solid table that could hold a man's weight easily.
The feet utilize a brilliant scheme so that each foot can be independently adjusted for an uneven floor. Thus a level table on an uneven floor is easily accomplished. The feet simply extend the effective leg length by screwing counter-clockwise. To prevent any shifting at the threads adding some pipe compound or teflon tape may be advised. Even masking or duct tape might work as the idea is to just fill any gaps where male threads meet female threads.
The four flanges at the tops of the legs provide a wide, solid surface for attaching the table top, with either hidden screws underneath or you could through-bolt a glass table top (provided you have the skill to drill glass!). I think this product would look great with a glass top.
Assembly is quick and easy. The hardest part is drilling holes underneath the table top to accept screws. No pipe wrenches are needed as the pieces screw together by hand to an adequate tightness. If any doubt whether they are tightened enough have a strong person with grippy gloves finish. The "X" in the center attaches to the legs with a very clever machine screw system tightened with the included hex wrench. This is presumably because if tightened simply by screwing the fittings, the point of snugness would not likely be where the "T" fittings are exactly vertical. The maker has solved this problem so that you are assured that all legs will be in the perfect vertical position once everything is tight. The setup is also nice and rigid once tightened. This is a huge benefit of steel pipe projects; they are really solid.
The black finish is clearly very durable, like a powder coat. It appears that it will provide excellent protection against rust. Coverage is complete; I found no dings or scratches anywhere on any piece.
Overall this is a very well-designed product for function and aesthetics. Perfect for a beautifully renovated warehouse condo where an industrial vibe is desired in a rock-solid table that won't shift around. The smoothness of the pipe is top notch. I've used lots of pipe in projects, some of it actual water pipe and some decorative pipe such as this. I've never seen better quality decorative pipe as this maker put in the effort to finish it beautifully smooth. At currently $34.99 I find the price quite reasonable too.
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Reviewed in the United States on April 18, 2026
★★★★★ 3
the height is only 16"
Size: coffee table leg
The height is only 16". From the description it appears to be 24" wide and 24" high.
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Reviewed in the United States on April 2, 2026
★★★★★ 4
Good DIY Pipe Legs but Powder Coat Quality Lacks
Size: side table leg, Size: side table leg
These industrial style pipe legs make building a DIY end table easy and the kit saves a trip to the hardware store. The fittings go together normally and assembly is simple. Comes individually wrapped. My main issue is the powder coating looks and feels cheap and rubs off easily. The pipes already had marks from touching each other from unboxing. If you do not mind some wear on the finish over time this is a decent purchase. The metal at the hardware store will be thicker and more durable but will cost more. I’d recommend based on ease of having a kit and it being delivered saving me a trip.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Stable, attractive, and easy to turn into a table with your choice of top
Size: side table leg
The X-shape of the table legs - constructed with solid metal flanges, T-joints, X-joints and 1-inch diameter pipes - provides a strong and sturdy base for a wood top. The legs have adjustable feet pads to prevent scratches and ensure stability. Assembly of the legs is relatively simple (the instructions are clear) but you will need your own tools to attach a top.
The industrial design is especially well suited to rec room or finished basement use. I am adding a 28" diameter raw edge slab of wood from a recently felled tree as the top and it is very attractive. (Photo unavailable because after I made certain it would work I sent the slab out for drying and finishing.)
If you want a custom table and have a particular piece of wood you want to use, these legs are an excellent choice.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Very nice kit: Beware it is NOT heavy duty plumbing pipe though!
Size: side table leg
I want to give this kit a high rating, but I need to address the "truth in advertising" bit since there may be an important disconnect between what you think you are getting and what actually comes in the box.
Black plumbing used for shelving or table legs is part of an important niche in interior design. I like the industrial loft look myself and have a variety of glass, steel, and masonry elements in my home. This kit fits that look and provides plenty of "strength" for most domestic uses, like shelves or coffee tables. But they are NOT "industrial pipe" or "maximum durability pipe." Note the phrase "cast iron finish feet," which together with the other claims might lead you to think these are cast plumbing fittings. They are NOT!
The feet and flanges feel like electrical conduit fittings, and the pipe sections are likely aluminum. They might be electrical or they might be multi-use, lightweight pipe.
While all this might lead you to think that you're getting a truly retro, heavy-duty pipe kit made of black plumbing pipe, you are not. But, does it matter? Depends. I find the lighter pipe's smooth finish a nice "tone-down" from the rough plumbing look. All together, this kit provides plenty of strength for most furniture and the rustic pipe look, but with a nicer, lighter finish. To me that is a plus--this is a very nice kit and costs less that if you'd pieced it together from real plumbing parts (I priced it out to compare), and looks retro but cleaner. I knew what to expect because while I got this kit free on Vine, I had purchased a nearly identical kit from another seller last year.
So, I'm giving it 5 stars for what it actually is and for the price, JUST BE AWARE THE NARRATIVE IS MISLEADING. Which is unfortunate because just like some people might want the heavier pipe, I'm betting more would be attracted to the look with a cleaner, lighter feel.
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Reviewed in the United States on December 31, 2025