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Radio Design Labs RU-EQ3
3-Band Equalizer

OUR PART #  RUEQ3

Our Price: $178.19
List Price: $238.38
You save 25%! (Low Price Guarantee)
Usually ships in 7-14 business days.
Need it sooner? Call us!

Recommended Accessories

Radio Design Labs' RU-EQ3 features a balanced bridging input, which may be connected unbalanced if desired. The output driver is 150 O balanced, and is intended to drive unbalanced or balanced lines of 150 O or higher impedance. Front-panel knobs provide active equaliza tion, each controlling a separate audio band. These bands were carefully selected to yield a module that works effectively in a wide variety of systems. Each band’s center frequency can be either boosted or attenuated by at least 12 dB.

The Q of the low and high band equalizers was selected so that those controls can be functionally considered as a total bass band or treble band control. The RU-EQ3 adds a third control. This midrange control is optimized to voice band adjustment, with the overlap tailored to provide smooth operation for wideband music applications. The RU-EQ3's OVERLOAD indicator flashes if either the input or output stage clips.

NOTE: Radio Design Labs' PS-24AS power supply is NOT included but is required in order to power this product.  Please see the "Accessories" tab or click here for more information on the PS-24AS power supply.

Features:

  • 3-Band Audio Equalizer
  • Custom Tailored Audio Bandwidth
  • User-Accessible Adjustments
  • High-Density Rack-Mount Convenience
  • Low-Noise, Low-Distortion Equalizer

Specifications:

  • Input: 100 kO balanced or unbalanced bridging; line-level
  • THD+N: < 0.030%; 0.010% typ. (1 kHz, +4 dBu reference; flat response)
  • CMRR: > 60 dB (100 Hz)
  • Frequency Response: 20 Hz to 22 kHz (EQ set flat; +/- 0.5 dB into 600 Ohm); 10 Hz to 22 kHz (EQ set flat; +/- 0.5 dB into 10 kOhm)
  • Noise: < -80 dB (below +4 dBu)
  • Center Frequencies: Low Band: 80 Hz Mid Band: 1 kHz High Band: 30 kHz
  • Bandwidth: Low Band: 20 Hz to 300 Hz Mid Band: 200 Hz to 7 kHz High Band: 3 kHz to 30 kHz
  • Power Requirement: GROUND-REFERENCED, 24 to 33 Vdc @ 25mA
Mounting Bracket for RACK-UP SeriesRadio Design Labs RU-BR1 Mounting Bracket for RACK-UP Series

The RU-BR1 mounts an RDL 'RACK-UP' module above or below a horizontal surface.

In Stock

Our Price:$33.16List Price: $39.14You save 15%!

24 VDC 500mA Switching Power SupplyRadio Design Labs PS-24AS 24 VDC 500mA Switching Power Supply

Radio Design Labs' PS-24AS is a 24 Vdc switching power supply with a North American AC plug.  500 mA, dc plug.Specifications: Input: 100 to 240 VACOutput: 24 Vdc, 500 mA (UL, CSA)Dimensions: 1.65" x 2.75" x 1.45" (4.2 x 7 x 3.7 ...

In Stock

Our Price:$22.92List Price: $30.67You save 25%!

Mounting Kit for STICK-ON, TX, or Rack-Up moduleRadio Design Labs MB1-RDL Mounting Kit for STICK-ON, TX, or Rack-Up module

Two mounting brackets mounts a STICK-ON, TX, or Rack-Up module to a flat surface.

In Stock

Our Price:$3.39List Price: $4.00You save 15%!

Single RACK-UP Mounting Bay Utility ChassisRadio Design Labs UC-1 Single RACK-UP Mounting Bay Utility Chassis

Radio Design Labs' UC-1 is an ULTRASTYLE design tabletop chassis for mounting RDL modules and accessories. The front panel features a single RACK-UP mounting bay. The rear panel has an identical mounting bay and is supplied with matching ...

Usually ships in 7-14 business days.
Need it sooner? Call us!

Our Price:$84.01List Price: $112.37You save 25%!

Mounting Kit for RU and TX SeriesRadio Design Labs MB2-RDL Mounting Kit for RU and TX Series

MB-2 pair mounts a RACK-UP or TX module above or below a surface.

Usually ships in 7-14 business days.
Need it sooner? Call us!

Our Price:$2.30List Price: $2.72You save 16%!

Click to download

Radio Design Labs RU-EQ3
3-Band Equalizer

OUR PART #  RUEQ3

Product Information:

Radio Design Labs' RU-EQ3 features a balanced bridging input, which may be connected unbalanced if desired. The output driver is 150 O balanced, and is intended to drive unbalanced or balanced lines of 150 O or higher impedance. Front-panel knobs provide active equaliza tion, each controlling a separate audio band. These bands were carefully selected to yield a module that works effectively in a wide variety of systems. Each band’s center frequency can be either boosted or attenuated by at least 12 dB.

The Q of the low and high band equalizers was selected so that those controls can be functionally considered as a total bass band or treble band control. The RU-EQ3 adds a third control. This midrange control is optimized to voice band adjustment, with the overlap tailored to provide smooth operation for wideband music applications. The RU-EQ3's OVERLOAD indicator flashes if either the input or output stage clips.

NOTE: Radio Design Labs' PS-24AS power supply is NOT included but is required in order to power this product.  Please see the "Accessories" tab or click here for more information on the PS-24AS power supply.

Features:

  • 3-Band Audio Equalizer
  • Custom Tailored Audio Bandwidth
  • User-Accessible Adjustments
  • High-Density Rack-Mount Convenience
  • Low-Noise, Low-Distortion Equalizer

Specifications:

  • Input: 100 kO balanced or unbalanced bridging; line-level
  • THD+N: < 0.030%; 0.010% typ. (1 kHz, +4 dBu reference; flat response)
  • CMRR: > 60 dB (100 Hz)
  • Frequency Response: 20 Hz to 22 kHz (EQ set flat; +/- 0.5 dB into 600 Ohm); 10 Hz to 22 kHz (EQ set flat; +/- 0.5 dB into 10 kOhm)
  • Noise: < -80 dB (below +4 dBu)
  • Center Frequencies: Low Band: 80 Hz Mid Band: 1 kHz High Band: 30 kHz
  • Bandwidth: Low Band: 20 Hz to 300 Hz Mid Band: 200 Hz to 7 kHz High Band: 3 kHz to 30 kHz
  • Power Requirement: GROUND-REFERENCED, 24 to 33 Vdc @ 25mA
Mounting Bracket for RACK-UP SeriesRadio Design Labs RU-BR1 Mounting Bracket for RACK-UP Series

The RU-BR1 mounts an RDL 'RACK-UP' module above or below a horizontal surface.

In Stock

Our Price:$33.16List Price: $39.14You save 15%!

24 VDC 500mA Switching Power SupplyRadio Design Labs PS-24AS 24 VDC 500mA Switching Power Supply

Radio Design Labs' PS-24AS is a 24 Vdc switching power supply with a North American AC plug.  500 mA, dc plug.Specifications: Input: 100 to 240 VACOutput: 24 Vdc, 500 mA (UL, CSA)Dimensions: 1.65" x 2.75" x 1.45" (4.2 x 7 x 3.7 ...

In Stock

Our Price:$22.92List Price: $30.67You save 25%!

Mounting Kit for STICK-ON, TX, or Rack-Up moduleRadio Design Labs MB1-RDL Mounting Kit for STICK-ON, TX, or Rack-Up module

Two mounting brackets mounts a STICK-ON, TX, or Rack-Up module to a flat surface.

In Stock

Our Price:$3.39List Price: $4.00You save 15%!

Single RACK-UP Mounting Bay Utility ChassisRadio Design Labs UC-1 Single RACK-UP Mounting Bay Utility Chassis

Radio Design Labs' UC-1 is an ULTRASTYLE design tabletop chassis for mounting RDL modules and accessories. The front panel features a single RACK-UP mounting bay. The rear panel has an identical mounting bay and is supplied with matching ...

Usually ships in 7-14 business days.
Need it sooner? Call us!

Our Price:$84.01List Price: $112.37You save 25%!

Mounting Kit for RU and TX SeriesRadio Design Labs MB2-RDL Mounting Kit for RU and TX Series

MB-2 pair mounts a RACK-UP or TX module above or below a surface.

Usually ships in 7-14 business days.
Need it sooner? Call us!

Our Price:$2.30List Price: $2.72You save 16%!

Click to download

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