Our sales line is open Saturdays 12pm-7pm ET. Give us a call at 888.653.1184.

JDK Audio by API R24 - Dual Channel EQ

Two-channel four-band equalizer
MFR# Dual Channel EQ
JDK Audio by API R24 - Dual Channel EQ
JDK Audio by API R24 - Dual Channel EQ JDK Audio by API R24 - Dual Channel EQ


No interest if paid in full within 12 months Learn more
Ships directly from JDK Audio by API
This item ships directly to you from the manufacturer. To ensure that the manufacturer currently has stock, please chat, call or email for the latest availability status.

The JDK Audio R-24 dual-channel, four-band equalizer, features two identical channels of equalization in a rack mounted unit with internal power supply.  The EQ features continuously variable adjustment of frequency and gain using individual controls.


  • Four bands of equalization modeled after the classic APSI model 562 EQ
  • Each band offers continuously variable control of frequency and gain, using separate knobs
  • 12 dB of boost/cut per band
  • All four bands are peak/dipping parametric configuration
  • Custom transformer balanced output
  • Fully balanced 1/4" and XLR input and output
  • High headroom +24 dB clip level

The EQ-R24 offers two channels of professional signal equalization.  Modeled after the circuitry of classic high end EQ's, the R24 delivers an affordable combination of rugged construction and solid performance.  EQ in and out are controlled by classic toggle switches, with gain and frequency selection accessed using individual control knobs.


  • Inputs: balanced XLR and 1/4" parallel jacks
  • Outputs: transformer balanced XLR and 1/4" parallel jacks
  • All measurements with 600 Ohm output load
  • Bandwidth: +/- 0.5db, 20hz - 20Khz
  • THD+N @ 1Khz, +4dbu: 0.01%
  • Maximum level: +23dbu
  • Signal-to-noise ratio: -100db
  • EQ bands: four bands, all +/-12db peak/dip type
  • Lo: 20hz - 200hz
  • Lo-mid: 100hz - 1Khz
  • Hi-mid: 500hz - 5Khz
  • Hi: 2Khz - 20Khz
  • Current: 65mA, 7.3VoltAmps
  • Dimensions: 2U EIA 19" rack
  • Height: 3.5 Inches
  • Width: 19 Inches
  • Depth: 10 Inches
  • Weight: 13 lbs
  • Input impedance: 12K Ohms
  • Output impedance: 300 Ohms transformer balanced

Additional Information

Condition New
Channels Dual-Channel
Chassis 19-in Rackmount
Rack Spaces 2u
Digital I/O No
EQ Type Parametric
No one has written a review yet. Be the first!

Share Your Opinion

The best gear advice always comes from those who use it the most. That's where you come in! Let the pro audio world hear your voice with a review of the JDK Audio by API R24 - Dual Channel EQ. Once you submit your review, please check your email and verify your address to have it posted.

How do you rate this product?

Blog Posts

Have some questions about this item?

When it comes to getting the best gear, your tastes are probably pretty particular. Vintage King can help answer any and every question to help you make the right decisions for your sound. Fill out the form below and we'll be in contact with you shortly.

Free shipping to the lower 48 US states on orders $99 and up. See details.

* Required Fields