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DG-58 Digital Voicing Equalizer

Vendor: Accuphase
DG-58 Digital Voicing Equalizer - Trimira
DG-58 Digital Voicing Equalizer



DG-58 Digital Voicing Equalizer 

In 1997, Accuphase introduced a product which revolutionized the concept of the graphic equalizer and made headlines in the audio world:
The DG-58 Digital Voicing Equalizer now raises the bar again. It is a 4th generation product that reflects the state of the art of advanced signal processing technology developed by Accuphase. Ease of operation has also been enhanced, with two “Simple Voicing” courses for automatic measurement and compensation, as well as a “Custom Voicing” course that gives users the power to realize a specific acoustic concept through extensive control over all aspects.
Most operations are controlled using the large, high-definition wide-format color LCD panel. This makes using the supplied stylus pen a pure joy, enabling the user to create any desired response simply by drawing on the screen. The DG-58 takes the concept of intelligent equalization to the next level, while at the same time remaining simple and intuitive to operate, thanks to its clean and uncluttered graphical interface.

  • Fully digital signal processing Voicing Equalizer
  • High-speed 40-bit floating point DSP
  • Separate digital filters for Voicing and Equalizer sections
  • Wide-format color LCD panel allows direct drawing of response curve with stylus pen
  • Freely programmable 30 pattern memory
  • Real-time spectrum analyzer for display of music signal and microphone input
  • Analog and digital inputs/outputs provided as standard





1/6 octave 67-band IIR filter

Adjustment range: ±12 dB


1/6 octave 80-band IIR filter

Adjustment range: ±12 dB


Warble tones

Frequency response curve input principle 

Direct drawing with stylus pen and input with cursor keypad

Spectrum Analyzer

1/3 octave, 35-band real-time type

Display level: +18 dBFS to -90 dBFS (5 ranges, switchable)

Reproduction Frequency

0.5 - 50,000Hz +0 -3.0 dB 
(Sampling frequency: 2.8224 MHz or 192 kHz) 4.0 - 20,000Hz +0 -0.3 dB

THD + Noise

(from analog inputs to analog outputs, 20 - 20,000 Hz) 

Gain +12 to - 90 dB, variable
Analog input maximum level
GAIN +6 dB  0.89 V
GAIN 0 dB  1.78 V
GAIN -6 dB 3.55 V
A/D converter
Principle 8 MDS++
Sampling Frequency 
32 kHz - 192 kHz
Resolution  32 bits
Digital Inputs 
Connector Type: 
Suitable cable: 
Dedicated HS-LINK cable
COAXIAL Format: 
IEC 60958 compliant
OPTICAL Format: 
JEITA CP-1212 compliant
Sampling frequency

32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz (16 to 24-bit 2-channel PCM)       

                                  (OPTICAL to 96 kHz)  [Only via HS-LINK] 2.8224 MHz 
(1-bit 2-channel DSD)

Digital Outputs 
Connector Type: 
Suitable cable: 
Dedicated HS-LINK cable
COAXIAL Format: 
IEC 60958 compliant
OPTICAL  Format:
JEITA CP-1212 compliant
USB Port

USB 2.0/3.0 (up to 128 GB), for flash memory

(Cannot be used for connection to a computer)

Operating System Microsoft® Embedded Compact 7®
Power Requirements 120 V, 220 V, 230 V AC (voltage as indicated on rear panel), 50/60 Hz
Power Consumption 24W
Maximum dimensions

Width 465 mm (18.31")

Height 161 mm (6.34")

Depth 396 mm (15.59")


14.3 kg (31.5 lbs) net

22.0 kg (44.1 lbs) in shipping carton

Supplied Accessories
  • Stylus Pen
  • Microphone Cable (5m)
  • Audio Cable with plugs (1m)
  • Remote Commander RC-310
  • Microphone AM-48
  • Microphone Holder 
  • AC Power Cord
  • Cleaning Cloth

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Our refund policy operates in a 30-day window - after this time we are unable to accept the product and cannot issue a refund. Don't worry, our products are hand picked from thousands of luxury brands to ensure you are only offered the best of the best so we doubt you'll need to consider this policy at all. If you are concerned about making the wrong decision when it comes to your purchase, please feel free to talk with our team of experts who can advise you on equipment based on your personal music taste, aesthetics, and the layout of your listening room. Still not convinced? Discuss the possibility of a loan (trial period) with our experts and hear the difference yourself.

Our refund policy can be viewed here.

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