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  • Great River 32EQ
    Great River 32EQ
    500-series Harrison EQ Single-Channel Reproduction of the Harrison 32 Series 4-band Parametric Equalizer Formatted for 500 Series Racks The 32EQ is the result of a close collaboration between Great River and the original designers of Harrison's 32 Series consoles. The result is the 32EQ - a faithful reproduction of the legendary equalizer and filter based on Harrison's exact schematics that sounds and behaves just like the...
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    (7 reviews) Sale Price: $775.00
    List Price: $1,010.00

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  • API 560
    API 560
    500-series 10-Band Graphic EQ Modular 10-band Graphic Equalizer, 500 Series Classic Reissue, With 12dB of Boost/Cut Per Band, Silent Bypass, and Proportional Q Yet another API modern classic, the 560 is a discrete 10-band graphic EQ — originally conceived for the API consoles in the 60s and 70s. This reissue is all about helping you achieve difficult equalization tasks. Not only does the API 560 give you that unique "API sound," but it also offers...
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    Sale Price: $760.75
    List Price: $895.00

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  • API 550A
    API 550A
    500-series 3-Band EQ Modular 3-band Equalizer, 500 Series, With 5 API-selected Frequency Centers, 12dB of Boost/Cut Per Band, and Proportional Q Control The API 550A is a true classic — an EQ that's been embraced since the late 60s, and a standard by which countless EQs have been judged. Here, reissued in 2004 in its original modular form (after a long, highly anticipated wait), the API 550A puts a piece of music history into your 500 Series...
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    Want to save even more? We have a Demo model of this product available for just $914.18. Demos often sell within hours, so act fast if you are interested. Learn more »

    Sale Price: $1,015.75
    List Price: $1,195.00

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    + Free Lifetime Tech Support
    + Free 2-year Warranty

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  • API 550b
    API 550b
    500-series 4-Band EQ Modular 4-band Equalizer, 500 Series, With 7 API-selected Frequency Centers, 12dB of Boost/Cut Per Band, and Proportional Q Control Incorporating API's legendary circuitry, the API 550b 4-band equalizer exudes that royal API blood line in every ounce of its sonic character. Artfully blending the past with the present, the API 550b carries the torch from the now-classic API 550EQ — delivering just the right amount of...
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    Sale Price: $1,015.75
    List Price: $1,195.00

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    + Free Lifetime Tech Support
    + Free 2-year Warranty

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  • Maag Audio EQ4
    Maag Audio EQ4
    500-Series 6-Band EQ 500 Series 6-band EQ Add air to your tracks, with Maag Audio's EQ4 500 series equalizer. Have you ever wanted to get condenser-style high-end coloration from your dynamic microphones? The EQ4 is just what you need. Its AIR BAND control features five fixed shelf boost curves that add breath and lightness to your sound....
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    Want to save even more? We have a Demo model of this product available for just $764.10. Demos often sell within hours, so act fast if you are interested. Learn more »

    Sale Price: $849.00
    List Price: $995.00

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    + Free Lifetime Tech Support
    + Free 2-year Warranty

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  • elysia nvelope 500New
    elysia nvelope 500 
    500-series Compressor Stereo/Dual Mono EQ and Dynamics Processor Reshape the sound of your tracks or entire mix with the elysia nvelope 500. This 500 series Class A audio processor lets you dial in the attack of your track to give it more or less punch in the mix. This is perfect for your drum mixes, guitars, keyboards, and much more. The sustain control...
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    Sale Price: $975.00
    List Price: $1,049.00

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  • Empirical Labs DocDerr
    Empirical Labs DocDerr
    500-series Tone Enhancer 500 Series Instrument Channel Strip Module with Preamp, 4-band EQ, Tape Emulation Circuit, and Mix Knob Empirical Labs created the DocDerr 500 Series channel strip module to give your signal impressive punch in any mix - and to put you in complete control. The DocDerr includes a low-noise preamp that gives you up to 16dB of gain, and that's just the beginning. In addition to a 3-band parametric EQ...
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    Sale Price: $799.00
    List Price: $899.00

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  • A Designs EM-PEQ
    A Designs EM-PEQ
    500-series Pultec EQ 500 Series Pultec-style EQ Module The A Designs EM-PEQ card sonically nods to the classic Pultec EQP-1A sound. The classic all-tube Pultec EQP-1A goes down on the record books as one of the most venerated equalizers of all time, cherished by recording and mastering engineers for its almost mythical ability to improve the sound of...
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    Sale Price: $1,095.00
    List Price: $1,225.00

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    + Free 2-year Warranty

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  • API 550A Saul Walker Edition
    API 550A Saul Walker Edition
    500-series Saul Walker 3B EQ LTD Modular 3-band Equalizer, 500 Series, With 5 API-selected Frequency Centers, 12dB of Boost/Cut Per Band, Proportional Q Control, Custom Faceplate, and Saul Walker Signature The API 550A Saul Walker Edition bears the name of legendary API founder Saul Walker. In its own right, the API 550A is a legendary EQ — embraced in top recording circles since the late 60s, and a standard by which countless EQs have been judged. Here, in the API 550A Saul Walker Edition, you...
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    Sale Price: $1,865.75
    List Price: $2,195.00

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  • Radial Q3New
    Radial Q3 
    500-series Q3 EQ Module 3-band Passive Inductor-Coil EQ with High-pass Filter, and Gain Control Want a smooth-sounding warm EQ for your 500 series setup? You need the Radial Q3 inductor-coil EQ module. Following in the tradition of other passive EQs, the Radial Q3 uses sweet-sounding inductor-coil EQ. Dial in great tones for instruments and vocals on your next session. Powerful top-end boost,...
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    Sale Price: $599.00
    List Price: $700.00

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  • Chandler Limited Little Devil Equalizer
    Chandler Limited Little Devil Equalizer
    500-series Equalizer Equalization 500 Series Module with Treble and Bass Shelf, Hi- and Lo-mid 7-selection "Q" Switching, and 3-position Filter Chandler Limited's Little Devil Equalizer fits into any 500-series module, putting Chandler's all-discrete circuitry, transformer-balanced designs, and premier hand-made quality into the popular modern format. The Little Devil Equalizer is an English-style console EQ, which uses concepts from...
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    Sale Price: $1,237.50
    List Price: $1,375.00

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  • JDK Audio V14
    JDK Audio V14
    500-series 1-ch 4-band EQ Single-channel Modular 4-band Equalizer, 500 Series, with Continuously Variable Frequency and Gain, 12dB Cut/Boost Per Band, Dual-concentric Pots, and EQ In/Out Switch With the JDK Audio V14, you've got a high-quality 4-band parametric equalizer to command. Modeled after the circuitry of classic, elite EQs, the JDK Audio V14 has dual concentric knobs, giving you continuously variable control of frequency selection and boost/cut. The modular V14 fits into API 500...
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    Sale Price: $599.00
    List Price: $695.00

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    + Free 2-year Warranty

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  • LaChapell Audio Model 583e
    LaChapell Audio Model 583e
    500-series 3-band EQ 500 Series 3-band EQ with a Transformer-isolated Tube Preamp and a Transformerless EQ section The Model 583e EQ by LaChapell Audio is an ultra-clean 3-band EQ that features the same impressive Jensen JT-115k transformer-based input stage as that found in the Model 583s. There are two sections in the Model 583e: the preamp section and the EQ section. The preamp section features plenty of...
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    Sale Price: $1,690.00
    List Price: $1,995.00

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  • LaChapell Audio Model 503
    LaChapell Audio Model 503
    500-Series EQ Module 500 Series 3-band EQ Module with Transformerless Input/Output The LaChapell Audio Model 503 EQ module is an ultra-clean 3-band EQ packed into a convenient 500 Series format. Each band of the Model 503's completely transformerless EQ features a fixed Q with very low phase deviation, offering you completely transparent control over your sound. The EQ also...
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    Sale Price: $850.00
    List Price: $895.00

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    + Free Lifetime Tech Support
    + Free 2-year Warranty

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Sweetwater's selection of quality 500 series eq is the best and most reliable you'll find anywhere. We back up the products we sell with excellent service and an incredibly knowledgeable staff, so you can be confident that any 500 series eq question you may have will be answered by experienced professionals who use the gear themselves. Sweetwater's vast inventory and free shipping on most items mean we can deliver 500 series eq quickly, at a great value. Look to the friendly pros at Sweetwater to help you shop for 500 series eq.

Our Customers Say...

I can talk to my Sales Engineer about any piece of equipment, and he always steers me in the right direction. He truly knows what he's talking about, and he never tries to over-sell me on anything. If he worked in the Nashville area, I'd probably owe him about 20 dinners by now!
Michael Erin Woody, Brentwood, TN

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