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Cool Guitar Tools: Rivera RockCrusher

Cool Guitar Tools: Rivera RockCrusher

Lovers of tube amps are all too familiar with this problem: in many cases, to get the amp into its “sweet spot,” you have to crank it up to very loud levels. If the amp is more than a few watts, it may be too loud for practice at home and even for many smaller venues. What to do?

You could live with less than optimal tone…but is that really an option?

A better solution is to find a way to run the amp cranked up, but still be able to control the volume — and that’s where today’s Cool Tool comes in!

The Rivera RockCrusher is a power attenuator and load box that absorbs the power your cranked amp puts out, and gives you control over the final volume coming out of the speaker. An Attenuation control dials back the volume from -3dB down to -20dB, while a level control lets you drop the volume down to whisper quiet for studio use or home practicing. There are also balanced and unbalanced outs so you can feed your amp’s output straight into an effects box, a mixer, or even into your audio interface. There’s even EQ adjustment for tweaking the tone. You can connect either 8- or 16-ohm loads to the RockCrusher.

Best of all, the RockCrusher does its job without sucking away tonal goodness and without changing the playing feel of your amp.

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Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.