Primacoustic Recoil Stabilizer RX5-HF

Studio monitors tell you the truth about your mix — but only if they're properly decoupled from the surface they're sitting on. A monitor placed directly on a desk or shelf transfers low-frequency energy into that surface, which then resonates and adds false bass coloration to what you're hearing. The result is mix decisions based on a distorted picture of your low end.

The Primacoustic Recoil Stabilizer RX5-HF solves this with a three-component design built for flat horizontal orientation. The high-density polyurethane foam base decouples the monitor from the desk, eliminating resonant energy transfer and the phase anomalies that come with it. The heavy laser-cut steel plate adds mass to counteract the backward recoil generated by the woofer. A neoprene retention pad on top grips the monitor base and prevents sliding.

The RX5-HF is the compact version of the Recoil Stabilizer lineup — sized specifically for smaller near-field monitors in the 3" to 5" woofer range commonly found in home studios, project studios, and desktop setups. The flat horizontal orientation keeps the monitor at its natural firing angle — the right choice when monitors are already at ear level or on stands where no tilt adjustment is needed. Sold individually — purchase two for a stereo pair.

Why Recoil Matters

Most foam-only isolators address resonance transfer but do nothing about recoil. When a woofer pushes energy forward, the cabinet pushes backward. This causes monitor drift over time and softens initial transient response. The steel counterweight in the Recoil Stabilizer keeps the monitor locked in position, resulting in tighter bass and sharper transients immediately noticeable on first listening.

Specifications:

Orientation: Horizontal, flat
Dimensions: 7.5" x 9.5"
Deck: 1/4" steel, black powder-coated with neoprene pad
Base: High-density polyurethane foam
Sold individually — buy two for a stereo pair

Compatible Monitors (Vertical Orientation): Genelec 8020A, Genelec 8030A, Genelec 1029A, KRK RP5, KRK VXT4, KRK V4, Alesis M1 Active 520, Alesis M1 Active 320 USB, Blue Sky EXO, Blue Sky MEDIA DESK SAT, Fostex PM0.5 MKII, JBL LSR6325P-1, Klein & Hummel O 110, M-Audio BX5a, M-Audio DX4, M&K Professional MPS-1501, M&K Professional MPS-1601, PSI 14M, PSI 17M, Samson Resolv A5, Westlake LC 4.75, Westlake LC 5.75, Yamaha MSP3, Yamaha HS50M.

Compatible Monitors (Horizontal Orientation): Alesis M1 Active 320 USB, Blue Sky EXO, Blue Sky MEDIA DESK SAT, Yamaha MSP3.

Compatible with Minor Overhang: Genelec 1030A, Tannoy Reveal 5, PMC DB1S-A, Yorkville YSM2-P, M-Audio EX66, KRK V4, M-Audio DX4, PSI 14M.