Rivera RockCrusher Recording Power Attenuator with 11-Band EQ Speaker Emulator

Power Attenuator and Load Box for Tube Amps with Cabinet Emulator and 11-band EQ
5/5 11 Write review Item ID: RockCrushREC
Rivera RockCrusher Recording Power Attenuator with 11-Band EQ Speaker Emulator image 1
Rivera RockCrusher Recording Power Attenuator with 11-Band EQ Speaker Emulator image 1
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Rivera RockCrusher Recording Power Attenuator with 11-Band EQ Speaker Emulator
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Advanced Tone-shaping Capabilities

RockCrusher attenuation plus cabinet emulation

Rivera's RockCrusher Recording power attenuator and load box could be your gateway to epic tube-amp tonal bliss. Building on the already popular RockCrusher power attenuator, RockCrusher Recording adds a built-in cabinet emulator with an 11-band EQ, so you can dial in your tone perfectly — at any volume.

You can dial in your tone perfectly — at any volume.

If you're not cranking up your tube amp, you're not really hearing its full tone! Unfortunately, whether you're at home, onstage, or in the studio, it's not always possible (or comfortable!) to turn up your tube amp to its tonal sweet spot. The solution? Rivera's RockCrusher Recording.

Mitch Gallagher welcomes RockCrusher Recording to Sweetwater with Paul Rivera Jr.

Hover over features below for a detailed description

True bypass with no signal loss
Switch between 8 or 16 ohms to match your cabinet's impedance
Restores top-end response
Restores low-end response
Stepped knob is easily recallable and gives you consistency in volume reduction 
Fine volume control of the quietest attenuation setting
Controls level sent through line outputs
Super-bright LED level meters toggle between input power and line output level
Pad switch helps reign in super-hot signals
Bypass switch for graphic EQ 
Choose between balanced and unbalanced line outs (front panel level control)
Send your attenuated signal to one or two speaker cabinets
From amp output, switchable between 8- and 16-ohm impedance
Oversized rubber feet help with convection cooling action and stacking on top of your amp
Oversized rubber feet help with convection cooling action and stacking on top of your amp
Oversized rubber feet help with convection cooling action and stacking on top of your amp
Oversized rubber feet help with convection cooling action and stacking on top of your amp
Joshua Ray demonstrates the load box capabilities and tonal versatility of the RockCrusher Recording

Nail the Sound You're After

RockCrusher Recording gives you total tonal control with cabinet emulation

The RockCrusher Recording gives you all the features that made its forerunner an essential tool for tone-savvy guitarists worldwide while adding even greater versatility with all-analog cabinet emulation. An active, 11-band graphic EQ section reflects the typical frequency response range where guitar cabinet speakers live. This allows you to quickly zero-in on virtually any sound you're going after — at any volume! And unlike digital modeling amps and software, the RockCrusher Recording doesn't use DSP to emulate speaker cabinets — it's all analog, so there's no loss of the tonal warmth you love in your tube amp tone. How do they do it, you ask? Rivera graphs the frequency response of popular classic guitar speakers using real-world microphones and translates that information into a custom graphic EQ curve for your RockCrusher Recording. These graph shape suggestions are intended to give you the tonal nuances of some of your favorite speakers, or they can serve as starting points for nailing a custom tone that's all your own.

  • All-analog cabinet emulation
  • Change up speaker sounds without the hassle of changing cabinets
  • Custom Rivera EQ curves for popular speakers are already done for you

Custom Curves from Rivera Exclusively for the RockCrusher Recording

Classic Rock N Roll Curve
Take this shape for classic rock 'n' roll tone
Metal Curve
Deep cuts and sharp boosts put you in metal mode
Versatile Curve
These contours keep your tone versatile for R&B, country, and everything in between

Great Tube Tone for Every Occasion

Perfect for stages and studios of any size

Tube amps interact with the impedance load that a speaker cabinet puts on the amp's output — if you plug your amp's direct output into a recording device, you won't get the tone you expect. By hooking up the RockCrusher Recording to your amp's speaker outputs, it interacts with all of the tubes in your amp — not just the preamp tubes you hear from your amp's direct output. Doing this provides the true articulate and responsive tone you're looking for.

"...you're getting all that saturated tube tone, but you're not killing yourself" — Ace Bergman, guitar tech for Slash

What does this mean for you? You can harness every tiny bit of tone your tubes have been designed to put out, and you get the sound of your amp and pedals, all without worrying about volume. Onstage, the decreased stage volume allows for better monitoring situations and lets your front-of-house engineer mix your signal without fighting your stage levels. In the studio, this means you get to lay down no-compromise guitar tone without bleeding sound into other mics. You paid for every last tube in your amp, so use them!

Ace Bergman talks about what the RockCrusher Recording does for Slash's tone
Paul Rivera Sr. talks about the RockCrusher

Built like a Tank

Rugged inside and out for years of use

The RockCrusher Recording is constructed of 16-gauge welded steel that's perforated on the top and bottom of the unit, allowing for convection-type cooling to dissipate heat. Large, heavy-duty knobs and switches are easy to use and super durable. Inside, Rivera uses industrial-grade components that stand up to the heat as well as the rigors of the road, making it as capable on a world tour as it is in your studio. Imagine your guitar rig transport whittled down to your favorite amp head and a RockCrusher Recording — not only do you get to play the tone you want, but the speaker emulation means you can also leave the speaker cabinet at home!

Rivera RockCrusher Recording Features:

  • Power attenuator helps keep your volume down without killing tone
  • Built-in active 11-band EQ gives you an analog speaker emulator
  • 8-ohm and 16-ohm modes let you use the RockCrusher with almost any amp/speaker combination
  • Lets you hear your tube amp's tone as you've never heard it before
  • Tonally transparent so that you hear your amp, not the RockCrusher
  • Bombproof construction lets you take it to even the wildest gigs
  • Balanced XLR and unbalanced 1/4" outputs let you easily interface with your recording gear

Additional Media

Guitar Amp Buying Guide

Tech Specs

Power Handling 120W RMS
Impedance 8/16 ohms
Inputs 1 x 1/4" (in from amp)
Outputs 2 x 1/4" (speaker out), 1 x XLR (line out), 1 x 1/4" (line out)
Manufacturer Part Number RCREC

Customer Reviews

5/5
Based on 11 reviews
Write your review
5/5

Truly Amazing

Rivera's genius in this device is the perfectly calibrated EQ that can be used to fine tune and shape what ultimately goes into your PA or DAW to match what you are hearing while playing directly through your amp / cabinet. You can set up a consistent tonal quality across any and all devices and speakers that your guitar passes through. What this means is that when I play through my combo amp speaker alone or when I plug into my external cabinet (note: my combo amp and cabinet all have matched Celestion 12" Vintage 30s), or when I am running through the mixing board / PA, or even when I am recording and listening through my DAW studio monitors or headphones -- without miking the amp -- my carefully crafted guitar tone always sounds the same! (notwithstanding any slight coloration that may be added by the PA or DAW itself). And with attenuation, that same great tone stays consistent at any volume level! Also like to add that I have been buying gear from Sweetwater for over 5 years now and I want to send a special thanks to my Sales Engineer Ryan Murray for all the great customer service!
5/5

Rockcrusher recording

I love the Rockcrusher recording, it is perfect! I just wish their was a way to get the 11bit EQ curves for all types of cab speakers and such
Music background: Guitar
5/5

WORKS AS ADVERTISED

1st, Thanks to Nick Church. As usual, Nick excels in follow up and follow through. I always deal with Nick exclusively. I ran it through my Quinn OD Heaven ( Ser. # 001 a D-killer! ) , my Triple Drive Supreme, My Redplate Magic Dust and my Mark 5. It delivers as advertised. I considered an Aracom but Sweetwater is reliable and awesome with any issues after delivery. Watch the video by Pete Thorn and that's what you get. Easy to use. Also sounded great through my DAW.
Music background: former pro, now gear junkie and practing attorney
5/5

Awesome possum!

This peice of gear is one best investments you will ever make that's all I have to say about that.
Music background: Mix engineer guitarist
5/5

Attenuator is great home/studio tool

First, I want to qualify my review by saying that I have not yet tried out the EQ speaker emulation functionality for recording. I decided to buy the RockCrusher a few months after buying a Rivera Venus 3 amp (separately reviewed). I found I was not able to get the tone I wanted from my amp without cranking it up to levels that would disturb the neighbors where I live. Also, playing at high levels for hours is probably not a great idea. I have multiple "overdrive/distortion" pedal options in my setup (Boss Blues Driver, Tube Screamer, Proco Rat..) as pre-amp supplements, but in my opinion the pedals on their own don't replace the sound of a quality tube amp in the sweet spot. I called Rivera technical support before my purchase with questions, and they were very helpful and knowledgeable. The RockCrusher unit is very solidly built, and sits on top of my amp without being too obtrusive. It was shipped with adequate packing protection, and the documentation is good. Setup was simple; move one speaker cable and add another short cable. Dial and switch functions are straightforward and intuitive. I was playing within minutes. I find I can now get the sounds I want for rock/blues at reasonable home volumes; very happy about that. For cleaner/jazz sounds I put the RockCrusher on bypass so I don't waste energy or wear out the amp tubes for no reason. The RockCrusher helps me get the best sound out of my tube amp across a range of genres without waking up the neighbors.
Music background: Amateur Fanatic
See also: Rivera, Rivera Attenuators & Simulators