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500 Series Gear

500 Series Gear

The distinctive click of an API 500A changing settings always let you know you were about to hear some awesome-sounding EQ. In fact, engineers used to route signals through API gear in bypass because of the sonic goodness it imparted. Good news! The 500 Series is more popular than ever – and the format is now being supported by a cadre of quality-conscious manufacturers.
The concept is simple. API’s original modules, designed to fit into a console channel strip, were suitably compact. A few years back, API introduced its self-powered Lunchboxes, designed to hold six or 10 modules, complete with 48-volt internal phantom power. The concept caught on, and today you can add processing punch to your studio by choosing from a potpourri of outstanding EQs, compressors, mic preamps, and 500 Series chassis. Typically less expensive than the equivalent full-size processors, 500 Series modules are an affordable way to juice up your sonic palette.

Serious Implications

Would it be great to pack both API and Neve gear in your rack? You bet it would. How about Daking, Grace Design, Maag Audio, Vintech, Radial, A Designs, Millennia, JDK Audio, True Systems, or Tonelux? Now that we have your full attention, you can start to see the serious implications of the 500 Series form factor.

Choose Your Vintage

500 Series gear gives you a totally flexible sound-shaping tool kit. Back in the ’70s, you were restricted to the single sound (no matter how awesome) of the console you were using, but today’s reality is somewhat different. Sometimes you want the smooth, warm musicality of vintage signal processing, and other times you need the incisive, surgical precision of modern gear. Now you can combine vintage and modern tones from numerous manufacturers to suit your particular needs and sonic preferences. Some manufacturers are even stepping up to the plate with 500 Series modules that let you “choose your vintage.”

We Can Help

In your quest for the ultimate sound, there’s no limit to how tweaky you can get – while staying within the convenient and affordable 500 Series form factor. With so much great gear to choose from, assembling a 500 Series rack may seem daunting, but your knowledgeable Sweetwater Sales Engineer is here to assist you in this noble endeavor!

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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.