500 Series Equalizers

500 Series Equalizers

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82 Items
  1. API 550A

    Best Seller
    MFR#: 550A
    Discrete, classic three-band EQ
    More Info
    In Stock
    Orders placed by 4:30pm ET M-F will ship the same day.
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $1,195.00

    $1,135.25
    No interest if paid in full within 12 months
  2. API 550B

    Best Seller
    MFR#: 550B
    Discrete four-band EQ
    More Info
    In Stock
    Orders placed by 4:30pm ET M-F will ship the same day.
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $1,295.00

    $1,230.25
    No interest if paid in full within 12 months
  3. API 560

    Best Seller
    MFR#: 560
    Classic ten-band graphic EQ
    More Info
    In Stock
    Orders placed by 4:30pm ET M-F will ship the same day.
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $945.00

    $897.75
    No interest if paid in full within 12 months
  4. Kush Audio Electra 500

    Best Seller
    MFR#: Electra 500
    Single-channel 500 Series five-band equalizer with high pass filter
    More Info
    In Stock
    Orders placed by 4:30pm ET M-F will ship the same day.
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $599.00

    $549.00
    No interest if paid in full within 12 months
  5. Maag Audio EQ4

    Best Seller
    MFR#: EQ4-500
    Six-band 500 Series equalizer w/AIR BAND
    More Info
    In Stock
    Orders placed by 4:30pm ET M-F will ship the same day.
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $995.00

    $849.00
    No interest if paid in full within 12 months
  6. Neve 1073LBEQ

    Best Seller
    MFR#: 1073LBEQ
    Single-channel 500 Series equalizer
    More Info
    In Stock
    Orders placed by 4:30pm ET M-F will ship the same day.
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty
    $1,295.00
    or $54/month for 24 months*
  7. Pultec EQP-500A 500 Series Program Equalizer

    Best Seller
    MFR#: EQP-500A
    500 Series program EQ delivering the exact same specs as the Pultec EQP-1A3-SS
    More Info
    More On the Way!
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty
    $1,295.00
    No interest if paid in full within 12 months
  8. Rupert Neve Designs 551 - 500 Series EQ

    Best Seller
    MFR#: 551 Inductor EQ
    The first AND only 500 Series EQ designed by Mr. Rupert Neve
    More Info
    In Stock
    Orders placed by 4:30pm ET M-F will ship the same day.
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $950.00

    $850.00
    or $36/month for 24 months*
  9. SSL 611EQ 500 Series Equalizer Module

    Best Seller
    MFR#: 729720X1
    The legendary SSL E-Series channel EQ packaged for your 500 Series rack
    More Info
    In Stock
    Orders placed by 4:30pm ET M-F will ship the same day.
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty
    $1,029.00
    or $43/month for 24 months*
  10. Kush Audio Clariphonic 500 #TAV6477 (Used)

    Single channel 500 series version of the Clariphonic Parallel EQ
    More Info
    Ships within 2 business days
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $525.00
    No interest if paid in full within 12 months
  11. Electrodyne 511 Equalizer #000333 (Used)

    500 Series 2-band inductor EQ
    More Info
    Ships within 2 business days
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $895.00
    No interest if paid in full within 12 months
  12. Electrodyne 511 Equalizer #000517 (Used)

    500 Series 2-band inductor EQ
    More Info
    Ships within 2 business days
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $895.00
    No interest if paid in full within 12 months
  13. Electrodyne 511 Equalizer #000461 (Used)

    500 Series 2-band inductor EQ
    More Info
    Ships within 2 business days
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $895.00
    No interest if paid in full within 12 months
  14. Pultec EQP-500X 500 Series Program Equalizer

    500 series program equalizer with API 2520 Gain Stage
    More Info
    In Stock
    Orders placed by 4:30pm ET M-F will ship the same day.
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty
    $1,295.00
    No interest if paid in full within 12 months
  15. Great River/Harrison 32EQ Equalizer #45572 (Used)

    500 Series equalizer
    More Info
    Ships within 2 business days
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $650.00
    No interest if paid in full within 12 months
  16. Great River/Harrison 32EQ Equalizer #45555 (Used)

    500 Series equalizer
    More Info
    Ships within 2 business days
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $650.00
    No interest if paid in full within 12 months
  17. API 550 A-1 Equalizer #01911 (Vintage)

    500 Series 3-band EQ
    More Info
    Contact us for est. ship date
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $795.00
    No interest if paid in full within 12 months
  18. API 550A Equalizer Reissue #308.0344 (Used)

    500 Series 3-band EQ reissue
    More Info
    Serviced to Order
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $895.00
    No interest if paid in full within 12 months
  19. BAE G10 Graphic 10 Band EQ (Demo Deal)

    MFR#: G10
    10-band EQ with balanced input and output and hi/low-pass filters the ultimate hands-on sound shaping tool for tracking, mixing, or mastering
    More Info
    In Stock
    Orders placed by 4:30pm ET M-F will ship the same day.
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $850.00

    $765.00 (You Save 10%)

    No interest if paid in full within 6 months
  20. API 550A Equalizer Reissue #3818-12 (Used)

    500 Series 3-band EQ reissue
    More Info
    Serviced to Order
    • Free shipping to the lower 48 states for online orders of $99 and up.Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $895.00
    No interest if paid in full within 12 months
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82 Items

Tired of working completely in the box? Add a 500 series EQ to your recording studio and get the analog warmth we all love with modules such as the API 550a, MAAG Audio EQ4, or Pultec EQP 500A. 500 series modules offer every style of EQ from classic parametric, to precise graphic EQ. Most often they will include a high and low pass filter, multiple frequency bands, side chain options, or added line input gain staging to oversaturate you signal for pleasant harmonic distortion.

Don’t let the size fool you, 500 series EQ modules are just as powerful as their larger counterparts, just packed into a convenient smaller package. They are a great way to add overall EQ to your mix bus, attack to your drums, depth to synths, and attitude to bass and guitars. Easily use them as subtle enhancements, or crush the original signal to create a completely unique sound. Contact your sales engineer to find out what the best 500 series EQ works best for you.

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