Rivera RockCrusher – 120 Watt Reactive Attenuator / Load Box

Excellent condition Rivera RockCrusher. This is a passive reactive attenuator and load box that lets you crank a tube amp for the best tone while keeping volume under control. Handcrafted by Rivera Amplification in Burbank, California.

Key Features

•  Maximum input power: 120 watts RMS

•  Selectable input impedance: 8Ω or 16Ω

•  Attenuation range: –3 dB to –20 dB (plus Bypass)

•  Edge / Warm equalization switches

•  Studio mode

•  Balanced XLR line out + unbalanced line out

•  Dual speaker outputs (use in parallel)

•  Line out level controls

•  Serial: R980-7K03675RC

Condition Very clean. Purple faceplate is bright with minimal wear. Chassis and ventilation grilles are in good shape with only light cosmetic use. All switches, knobs, and jacks function properly. No dents or major scuffs. Ready to use.

These are highly regarded for preserving amp tone while attenuating volume — popular for recording, practice, and quieter stages. Works great with Rivera amps as well as other tube amps (Fender, Marshall, etc.).

Local pickup preferred. Cash or verified payment. Happy to answer questions or provide more photos