The Manley Stereo Variable MU Compressor is a legendary all-tube compressor known for smooth, musical dynamics control and mix-bus glue. The current HP-TBAR configuration combines a high-pass sidechain filter with Manley’s T-Bar tube design for greater control and exceptionally smooth limiting.

The Manley Stereo Variable Mu Limiter Compressor HP-TBAR MVA is a legendary all-tube, transformer-coupled compressor known for its smooth, musical dynamics control and unmistakable analog character. Ideal for stereo buses, subgroups, and individual sources, its variable-mu design delivers natural-sounding gain reduction that can add cohesion and density without making the signal feel overly compressed. Compress mode provides a gentle 1.5:1 ratio for subtle control and mix-bus glue, while Limit mode offers ratios from 4:1 to 20:1 for more assertive peak control.

The current HP-TBAR configuration combines a 100 Hz High-Pass Side Chain filter with Manley’s T-Bar tube design. The high-pass filter helps keep powerful low frequencies from triggering excessive compression, while the T-Bar circuit uses four 6BA6 variable-gain tubes to provide smooth limiting and excellent performance at higher amounts of gain reduction. With variable Attack, five Recovery settings, stereo linking, and Manley’s custom transformers, the Variable Mu remains a versatile choice for adding polished, cohesive analog dynamics control. There is also a Mastering Version available, which features precision-stepped Input, Output, Threshold, and Attack controls for accurate settings and easy recall between sessions and revisions.

Manley Stereo Variable MU Compressor Features

• HP-TBAR configuration standard on current production
• T-Bar design with four 6BA6 variable-gain tubes
• Fully differential, all-tube circuitry
• Custom Manley input and output transformers
• Compress mode with 1.5:1 ratio
• Limit mode with ratios from 4:1 to 20:1
• 100 Hz High-Pass Side Chain filter
• Variable attack from 25 ms to 70 ms
• Five recovery settings from 0.2 to 8 seconds
• Stereo link and hardwire bypass

Manley Stereo Variable MU Compressor Includes

• Manley Stereo Variable MU Limiter Compressor
• IEC Power Cable
• Manual
• Manufacturer Warranty