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Manley Nu Mu Stereo Compressor/Limiter Demo

Dual-channel Tube/Solid-state Limiter/Compressor with Stereo Link

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It's the Nu Mu!

The Manley Nu Mu gives you the best sonic qualities of both tube and transistor compressors. Manley spec'd the Nu Mu with the all-tube, T-Bar-modded front end of their fabled Variable Mu and followed it with a state-of-the-art solid-state audio chain. At Sweetwater, we're quite impressed by the results — silky smooth, fat, and punchy! Manley's innovative HIP circuit is onboard, enhancing low-level detail without taking a toll on dramatic transients. Handcrafted in the company's Chino, California, factory, the Nu Mu delivers superior sonics, performance, build quality, and value — exactly what you'd expect from Manley.

Manley Nu Mu Features:

  • Hybrid tube/solid-state compressor/limiter
  • 3:1 compressor ratio, 10:1 limiter ratio
  • Dual channel (stereo linkable)
  • Features Manley's IRON input transformers
  • 4 hand-selected and matched 6BA6 vacuum tubes
  • Balanced XLR I/O
  • HIP circuit elevates softer dynamics without crushing louder ones
  • Lighted VU meters, switchable between Gain Reduction and Output Level
  • Custom, internal, universal high-voltage switched-mode power supply, for worldwide operation

What is Demo Gear?

At Sweetwater, we're so picky that what we call a "demo" is actually better than what most music retailers sell as "new" gear! Our gear hasn't endured hundreds of people a week plunking away at all the keyboards, fumbling through Stairway to Heaven on every guitar or playing with every fader and knob on a mixer or control surface.

What demo means to us is that we've had it out of the box, or maybe it was in a customer's hands for a few days and isn't "factory fresh" as a result. Every demo item we sell has Sweetwater's 2-year Total Confidence Coverage™ warranty, and has been tested and verified up to "new" specs by our factory-authorized technicians to make sure it's in perfect working order before we ship it to you.

When you buy a Demo item at Sweetwater, you get:
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  • Products inspected and tested by our factory-authorized techs, guaranteed to function like new (or better)!
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  • Equipment that will MEET or EXCEED your expectations!

Click HERE to browse our current inventory of Demo equipment. Purchasing demo gear from Sweetwater is a smart and safe way to save!

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Tech Specs

  • Type: Tube/solid state (4 x 6BA6 vacuum tubes)
  • Number of Channels: 2-channel, Stereo
  • Controls: Threshold, Attack, Recovery, Output
  • Ratio: 1.5:1, 4:1 to 20:1
  • Inputs: 2 x XLR
  • Outputs: 2 x XLR
  • Rack Spaces: 2U
  • Height: 3.5"
  • Depth: 7"
  • Width: 19"
  • Weight: 8.5 lbs.
  • Manufacturer Part Number: MNUMU

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Customer Reviews

Write your review
Rated 5/5

Very Impressed

Love how this compressor reacts to vocals and instruments. It's my go-to for almost everything - it just sounds good out of the box. Don't pass this one up!
Music background: Recording Engineer, Musician
Rated 5/5

Outstanding!!

I bought the Nu Mu to add to my mastering chain which already featured an SSL G Comp( serial style compression).

The Nu Mu is larger than life sounding, but can be transparent most of the time. It really shines in widening the stereo field and adding thickness and texture to the material. The T-Bar front end is very articulate and has subtle warmth, yet it is very punchy, allowing the bottom end to sizzle...

I'm very impressed with Manley's overall quality, and this comes from a guy that LOVES the SSL G Comp
Music background: composer, producer, mastering engineer
Rated 4/5

Great Piece Of Gear !

This is a great piece of gear ! If you are looking for a premium compressor that can sound rich in harmonics and saturation while still staying relatively true to the original signal this is a great addition to any studio . I found myself really loving how it sounded with vocals, and on snare and guitar . This compressor adds some sizzle to the air band frequencies as it compresses which is VERY nice . It also handles the low end amazingly well and adds some great fullness to the bottom end. Having the transformer at the input stage is a plus because it keeps the signal a bit "cleaner " compared to having an additional transformer on the output. This is also a very quiet unit .

After listening to my mixes this compressor adds some impressive thickness to your audio . When I imagine using the NUMU in my mixes I imagine a nice layer of gel being applied . Adding heft , weight, and thickness . I am only giving it 4 stars because I have discovered I am not really into adding tons of color and too many harmonics to my mixes that I cannot control . Other than that I would have rated this 5 stars .

HIP control is great for keeping the low end punchy , rich, and full as you compress . There is another button that allows sub frequencies to pass through in a way that works out surprisingly well. These functions do wonders for letting your low end shine .

Manley made a great product here ! Not only does this sound great but it also looks modern and cool and definately can add that "cool" factor to your rig .

Special thanks to everyone at Sweetwater and especially Drew OWens for his patience , knowledge and stellar customer service ! You guys are amazing .
Music background: Recording , Mastering , Vocals
Rated 5/5

Versatile!

Love the Nu Mu, it's a versatile piece that can be used on all sorts of material in any genre.
Excellent for tracking and great on busses or the 2-mix.
What really surprised me is the transparency, I can drive it hard and get huge amounts clean gain reduction.
Solidly built & looks great with the illuminated metering. Simple controls make it a breeze to dial in as well.
Very hard to beat for the price.
Music background: Composer / Engineer
Rated 5/5

NU MU - MUCH TONE

OK - I've had this for a few weeks now. I've put it through it's paces on mixes and vocals. I just wrapped up a hip hop mix for a major label client and this thing has the goods. Clean, Big and Open. Even when pushing the gain reduction a bit it never really gets offensive. The HIP switch is going to live in the ON position on my mixes from here on out. This box is way different than an SSL bus comp or clone. It's also different sounding from a standard Vari Mu. I mix a lot of different genres of music and this box so far is handling it all with out breaking a sweat.

Everything sounds natural. I don't catch myself having to mix to complement the compressor. It handles low end better than any box that I've used to date as well including the Smart C2 and SSL G Comp.

On vocals It sounds like a vari mu. Natural, open and no hype in the top end. Just right.

I definitely recommend this box if you mix hip hop, electronic and modern pop stuff.

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Music background: Professional Producer, Mixer, Writer
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