SKU: 15972728761

Rolls MT502-MU Moving Coil Matching Transformer

Sale price$337.05 Regular price$374.50
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Description

Rolls MT502-MU Moving Coil Matching TransformerThe new Bellari MT502 mu is a stereo, moving coil step up transformer that raises the low level of a moving coil cartridge up to a moving magnet level. Making your moving coil cartridge compatible with your phono preamp. (From Stereophile Magazine) The Bellari MT502 transformer: $499 Housed in Bellaris familiar powder coated red chassis, the MT502 step up transformer features hand wound coils, gold plated inputs and outputs, and a ground lift. The

The new Bellari MT502 mu is a stereo, moving coil step up transformer that raises the low level of a moving coil cartridge up to a moving magnet level. Making your moving coil cartridge compatible with your phono preamp. 
 

(From Stereophile Magazine) “The Bellari MT502 transformer: $499 Housed in Bellari’s familiar powder-coated red chassis, the MT502 step-up transformer features hand-wound coils, gold-plated inputs and outputs, and a ground lift. The MT502 produced a quiet background, sharp transients, and taut, fast, well-defined bass. A perfect match to Bellari’s VP130 moving-magnet phono preamp. (Vol.33 No.11)”

 

On Stereophile’s ‘Recommended Components’ list in 2012, 2013, 2014, 2015… OK, you can see a pattern here.

 
The MT502 is all hand-built in the USA. The MT502 is as much art as it is sonic perfection.
 
Moving coil cartridges should be stepped up with transformers to get the best sound quality. The issue with almost all phono preamps that claim they are MM and MC compatible is that most are MM phono preamps that in the MC setting just boost the gain. This can create issues with sound quality. The fact of the matter is, MC cartridges need a transformer to be at their best. If you look at very high end systems, they all use step up transformers.
 
At Bellari we don’t just boost the gain of our phono preamps and then call them MC compatible. We build a proper step-up transformer the MT502 to truly make your MC cart sound the way it should.
 
 With a selectable turns ratio you no longer need to match your cart with a step up transformer. The MT502 will match almost any cart with its selectable turns ratio switch. Its like having two step up transformers in one unit. The 12:1 is designed to work with carts like the Denon DL103 or 103R or similar. The 30:1 is designed to work with carts that need more gain/level.
 
The “mu” stands for Mu Metal as that is the new metal now encasing the 2019 MT502 transformers. MU Metal is one of the best shielding materials known. The new transformers are hand wound, potted, encased in MU Metal and then placed into a copper chassis that has been gold plated. This is all done one at a time, by hand.
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Exchange/Return Notes
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SKU: 15972728761

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PQ
Lexington, US
★★★★★ 5
Works great once assembled
Color: Black
I had an experienced handyman attach the wheels, and even he was confused since the instructions are poor. So allow yourself some extra time to assemble the wheels. However, once attached and placed upright, the wheels are smooth and its very easy to position. And it folds up into a small footprint just as advertised. Looks great. No issues with quality.
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Reviewed in the United States on March 16, 2026
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MN
Lowell, US
★★★★★ 4
Good Product Missing Parts
Color: Gey
Great product, but they did not send all of the parts with the first shipment
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Reviewed in the United States on December 30, 2025
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webmonkee
Belleville, US
★★★★★ 5
Game-changer for me
Color: Light Grey
I’ve had a basement office for a while. I share a big room with my work bench. I’ve always just had a curtain hanging between the two, but after a promotion, I decided it was time for something more professional looking. This divider is awesome, and move-able when I need the space for my workbench activities. The frame is very sturdy - impressively sturdy even. The felt walls are thick enough to take even heavy duty tacks. There are three things that could make it even better, but none of them are enough to knock a star off my review, because this is truly a quality piece of office gear. 1. Put a magnetic strip on the top bars so that you could hang a little heavier items or add magnetic hooks. I plan to buy some magnetic tape to allow for this. 2. Allow the panels to be locked at the top. The locking wheels do a decent job of keeping everything in place, but if you could also lock the top of the frames, it would greatly increase stability. Note that it is already quite stable, but the top locks would make it very similar to actual cubicle walls. 3. Put a swivel caster on the middle wheel bars. This would allow you to configure the panels and the “feet” at angles other than 90 degrees when desired. Again, these suggestions would take a fantastic item and put it into 6-star rarefied air. It is truly a great product as-is, but I would gladly pay another $100 for this item if it had these additional features.
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Reviewed in the United States on February 12, 2025
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Moonpie
Natrona Heights, US
★★★★★ 5
Strongbird room dividers
Color: Gey
Great product. Easy to assemble, heavy duty used to hold scenery during church Christmas play. Use to divide classroom space. We plan to buy a 2nd divider soon
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Reviewed in the United States on April 15, 2025
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Kellie Landrum
Omaha, US
★★★★★ 1
Flimsy and cheap screws
Screws snapped off when I tried to drill htem in and no matter how I try to get the leg pieces in they will NOT stay. Falls apart, screws snap off, the middle axle holes arent even lined up so you cant install one of the pieces in the first place.
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Reviewed in the United States on May 30, 2025

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