Nu Mu
· Variable-Mu tube input stage with solid-state signal path
· T-Bar modified all-tube front end derived from Variable Mu®
· Proprietary HIP® control for selective low-level compression
· Hand-assembled in California with custom-wound Manley IRON® transformers
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Nu Mu
Personal Buy-Out Guarantee: $1,535
If you want to keep your unit after your rental period ends on Feb 13, 2029 you can pay it off for a guaranteed price of just $1,535. The sum of your monthly payments, down payment and your optional pay-off price is exactly the MSRP - NO INTEREST ADDED!
If you don't want to keep and pay off your unit - just send us the unit back by Feb 13, 2029 and you're all done!
Minimum Residual Value: $824.75
The minimum residual (open balance of the rest value of your unit after the rental phase) is 25% of the MSRP (= $824.75). We keep it that way to make sure your rental/leasing program doesn't get flagged as "hidden financing" which would require us to charge with the total sales tax based on the MSRP of your unit on day 1. By choosing a rental program with an option to purchase your personal unit after the rental period you can conveniently pay sales tax over time, solely based on the monthly rates!
Flexible Terms
Choose the rental duration and monthly payment that perfectly aligns with your studio project goals.
Transparent Pricing
Zero hidden fees and no added interest. See your total cost of leasing and optional future ownership upfront.
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Lease Summary
Optional future Buy-Out on Feb 13, 2029 for $1,535

Experience the Manley Nu Mu, hybrid variable-mu compression
The Manley Nu Mu integrates the T-Bar modified all-tube variable-mu input stage from the acclaimed Variable Mu® Limiter with solid-state output topology, combining vacuum tube gain reduction characteristics with contemporary circuit performance. Hand-built in California with custom-wound Manley IRON® input transformers and Manley Power® supply technology, the Nu Mu delivers musical compression and limiting across tracking and mixing applications.
Tube variable-mu topology with solid-state output architecture
The Nu Mu's tube-based variable-mu input stage provides smooth compression curves with harmonic characteristics of vacuum tube gain reduction, while the solid-state output path ensures fast transient response and extended bandwidth. This hybrid architecture maintains the dimensional qualities of all-tube compression while delivering the transient accuracy and focused output required for contemporary production across diverse program material.
HIP® control for frequency-selective dynamic processing
The proprietary HIP® (High Impact Preservation) control enables compression of low-level signals while maintaining transient peaks, effectively raising quieter content without attenuating dynamic information. This topology achieves results similar to parallel compression through direct signal path processing, adding density and detail resolution while preserving impact and transient definition across vocals, instruments, and mixed program material.
California craftsmanship with Manley engineering standards
Each Nu Mu is hand-assembled, calibrated, and tested at Manley's Chino, California facility. From custom-wound Manley IRON® input transformers to Manley Power® switch-mode supply technology, every component meets Manley's specifications for sonic performance and long-term reliability. This combination of proven variable-mu topology and modern circuit design continues Manley's three-decade tradition of professional dynamics processing.
Frequency Response
20 Hz – 50 kHz
THD & Noise
< 0.05%
Dynamic Range
112 dB
Signal to Noise Ratio
89 dB
Frequently Asked Questions
The Nu Mu is a modern interpretation of our classic Variable Mu.
The Manley HIP® control is a unique feature that intelligently applies more compression to the lower-volume parts of a signal while leaving the louder, more dynamic peaks largely untouched.
The Nu Mu is exceptionally versatile and is a fantastic tool for a wide range of sources.



