LA AUDIO EQ-231G ANALOG 2X31 BAND GRAPHIC EQUALISER

Discontinued

509.11 incl. GR VAT

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Availability: Discontinued Discontinued SKU: H07LD00000 Category:
The EQ231G is a dual 31 band 1/3 Octave Graphic Equaliser in a robust 3U high case. The band pass filters are based around precision minimum phase active RC networks to deliver superior dynamic range and signal to noise performance. Long throw faders provide maximum sensitivity and control of 12dB cut and boost at 31 […]

 

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The EQ231G is a dual 31 band 1/3 Octave Graphic Equaliser in a robust 3U high case.
The band pass filters are based around precision minimum phase active RC networks
to deliver superior dynamic range and signal to noise performance. Long throw faders
provide maximum sensitivity and control of 12dB cut and boost at 31 ISO centre frequencies
from 20Hz to 20KHz.
The new and improved EQ231G now incorporates a 24dB/octave, Butterworth type, High
Pass Filter variable from 16 to 160Hz with bypass. All switches have LED indicators. The
EQ231G has electronically balanced inputs and outputs on XLR. An optional Transformer
Output module is available, featuring Active Distortion Cancellation circuitry that reduces to
negligible levels the LF distortion inherent in Passive Transformer designs. Power relays
ensure silent power on/off and also automatic bypassing of the unit when switched off. The
EQ231G is built in accordance with Electro-Magnetic Compatibility (EMC) and Low Voltage
Directive (LVD) regulations encompassed within the European ‘CE’ mark. This guarantees
problem free integration into audio systems.
 
Main Features
Low noise, minimum phase active RC networks
Long throw faders for maximum control
Relay based ?soft? power up and automatic power fail bypassing
Input level control with Peak LED
Channel bypass switches with LED
Electronically balanced inputs and outputs with Transformer output option
Unique Transformer Distortion Cancellation circuitry
Inductor option for improved noise and phase response on high frequencies
 
Specifications
Frequency Response 20 Hz to 20 kHz +0, -1dB
Signal to Noise Ratio +4dBu output -96dB
Input impedance 20 kW balanced
Output impedance 100W balanced
Output Load Impedance 600W to infinity
Maximum Output Level 600W Load, 1 kHz +20dBu
Total Harmonic Distortion (THD)
1 kHz, +4dBu Output, 600 Ohms Load 0.003 %
Peak indicator Threshold 2dB before clipping
Centre frequencies :
20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k
1k25, 1k6, 2k, 2k5, 3k15, 4k, 5k, 6k3, 8k, 10k, 12k5, 16k, 20k.
Frequency accuracy : Better than 5 % of nominal
Input Connectors XLR 3 Pin 2 High, 3 Low, 1 Ground
Output Connectors XLR 3 Pin 2 High, 3 Low, 1 Ground
Power Consumption (115/220 VAC, 50-60 Hz)
EQ231G 8 Volt-Amps
EQ231G
Weight 6.2 kg,
Shipping Weight 7.7 kg,
Dimensions 483 mm W x 230 mm D x 135 mm
Temperature Range
Operating 0C to + 50C Storage 0C to + 75C

Note : In these specifications, 0dBu is referenced to 0.775 V RMS.

Weight 3.00 kg

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Quick Comparison

LA AUDIO EQ-231G ANALOG 2X31 BAND GRAPHIC EQUALISER removeRANE ME 15S 2 Channel 2/3 Octave microGraphic EQ removeBEHRINGER FBQ6200HD Ultra-Musical 31-Band Stereo Graphic Equalizer with FBQ Feedback Detection System removeDBX IEQ15 DUAL 15-BAND GRAPHIC EQUALIZER removeGOLDEN AGE EQ-73 Equalizer removePHONIC GEQ-3102F 31-band Stereo Graphic Equalizer remove
NameLA AUDIO EQ-231G ANALOG 2X31 BAND GRAPHIC EQUALISER removeRANE ME 15S 2 Channel 2/3 Octave microGraphic EQ removeBEHRINGER FBQ6200HD Ultra-Musical 31-Band Stereo Graphic Equalizer with FBQ Feedback Detection System removeDBX IEQ15 DUAL 15-BAND GRAPHIC EQUALIZER removeGOLDEN AGE EQ-73 Equalizer removePHONIC GEQ-3102F 31-band Stereo Graphic Equalizer remove
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SKUH07LD00000ME15SE008298DBX IEQ15EQ73H07PH00013
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Description
Content

The EQ231G is a dual 31 band 1/3 Octave Graphic Equaliser in a robust 3U high case.
The band pass filters are based around precision minimum phase active RC networks
to deliver superior dynamic range and signal to noise performance. Long throw faders
provide maximum sensitivity and control of 12dB cut and boost at 31 ISO centre frequencies
from 20Hz to 20KHz.
The new and improved EQ231G now incorporates a 24dB/octave, Butterworth type, High
Pass Filter variable from 16 to 160Hz with bypass. All switches have LED indicators. The
EQ231G has electronically balanced inputs and outputs on XLR. An optional Transformer
Output module is available, featuring Active Distortion Cancellation circuitry that reduces to
negligible levels the LF distortion inherent in Passive Transformer designs. Power relays
ensure silent power on/off and also automatic bypassing of the unit when switched off. The
EQ231G is built in accordance with Electro-Magnetic Compatibility (EMC) and Low Voltage
Directive (LVD) regulations encompassed within the European 'CE' mark. This guarantees
problem free integration into audio systems.
 
Main Features
Low noise, minimum phase active RC networks
Long throw faders for maximum control
Relay based ?soft? power up and automatic power fail bypassing
Input level control with Peak LED
Channel bypass switches with LED
Electronically balanced inputs and outputs with Transformer output option
Unique Transformer Distortion Cancellation circuitry
Inductor option for improved noise and phase response on high frequencies
 
Specifications
Frequency Response 20 Hz to 20 kHz +0, -1dB
Signal to Noise Ratio +4dBu output -96dB
Input impedance 20 kW balanced
Output impedance 100W balanced
Output Load Impedance 600W to infinity
Maximum Output Level 600W Load, 1 kHz +20dBu
Total Harmonic Distortion (THD)
1 kHz, +4dBu Output, 600 Ohms Load 0.003 %
Peak indicator Threshold 2dB before clipping
Centre frequencies :
20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k
1k25, 1k6, 2k, 2k5, 3k15, 4k, 5k, 6k3, 8k, 10k, 12k5, 16k, 20k.
Frequency accuracy : Better than 5 % of nominal
Input Connectors XLR 3 Pin 2 High, 3 Low, 1 Ground
Output Connectors XLR 3 Pin 2 High, 3 Low, 1 Ground
Power Consumption (115/220 VAC, 50-60 Hz)
EQ231G 8 Volt-Amps
EQ231G
Weight 6.2 kg,
Shipping Weight 7.7 kg,
Dimensions 483 mm W x 230 mm D x 135 mm
Temperature Range
Operating 0C to + 50C Storage 0C to + 75C

Note : In these specifications, 0dBu is referenced to 0.775 V RMS.

The Rane ME 15S microGraphic Equalizer is a two-channel, 2/3-octave design with 20 mm sliders in a single rack space unit. It features a Range switch for high slider resolution in the ±6 dB mode, equivalent resolution to 45 mm sliders found on the DEQ 60L. The ±12 dB mode provides a wide range of control over system audio.

The active filter sections feature Raneʼs innovative constant-Q (constant bandwidth) design. Constant-Q means the bandwidth of each individual filter is guaranteed to be narrow enough to prevent unwarranted interaction between filters, yet wide enough to produce exactly the type of correction curve demanded by even the most unusual acoustic surroundings. This differs dramatically from conventional designs of the past, encumbered with the unfortunate characteristic of changing bandwidth when changing boost/cut amounts.

Front panel controls and indicators include an overall rotary Level control for each channel as well as Overload indicators. Passive pushbutton Bypass switches feature LED indicators, avoiding ambiguity by being on when the unit is Bypassed. (A passive Bypass switch requires no power to operate. This allows completion of the audio path should power fail in the ME 15S.)

Inputs and Outputs are electronically balanced designs, capable of unbalanced operation when required. They accept and drive all possible signal levels into normal load impedances. Balanced applications choose between the XLR or 1/4" Tip-Ring-Sleeve connectors. Unbalanced sources also may tie to the ME 15S through mono 1/4" connectors (no ring connection).

Features
  • Constant-Q Bandwidth Design
  • Overall Level Controls and Passive Bypass Switches
  • 20 mm Filter Slide Controls with ±6 dB or ±12 dB Slider Range
  • Infrasonic, Ultrasonic, & RFI Filters
  • Balanced XLR and 1/4" TRS Inputs and Outputs
  • Universal internal switching power supply (100-240 VAC)

 

  • Audiophile 31-band stereo graphic equalizer for live and studio applications
  • Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as audio analyzer
  • Ultra-low noise 4580 operational amplifiers for highest signal integrity
  • Dedicated Limiters with gain reduction meters for each channel protect your sound system from overload and distortion
  • Pink noise generator provides test signals to adapt your sound system to any room acoustics
  • Mono subwoofer output with dedicated level control and adjustable crossover frequency
  • Additional sweepable high and low-cut filters for each channel remove unwanted frequencies e.g. floor rumble, hiss etc.
  • Highly accurate 8-segment LED input/output metering and input gain controls for easy level setting
  • Relay-controlled hard bypass with an auto-bypass function during power failure (fail-safe relay)
  • Servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors
  • “Planet Earth" switching power supply for maximum flexibility (100
    - 240 V~), noise-free audio, superior transient response plus low power consumption for energy saving

iEQ-15 Dual 15-Band Graphic EQ with Type V? NR and AFS?

With an EQ heritage that has produced countless industry standard
patents and dates back more than 30 years, the dbx iEQ-31 easily
lives up to the dbx legacy of uncompromised sonic integrity. In
addition to unsurpassed equalization specs, the iEQ-15 also offers
the built-in necessities which include AFS? feedback Suppression,
Type V? noise reduction and PeakStopPlus? limiting. Besides
including two 15-band channels of 2/3-octave equalization, the iEQ-15
also offers +12 dB input gain range; switchable +6 or +15 dB boost/cut
range, 40mm faders, XLR, 1/4'' and Euroblock inputs and outputs,
nonconductive nylon sliders; and an intuitive user interface with comprehensive
output and gain reduction metering. As always, the inevitable result of our
meticulous attention to detail and top-quality componentry is exceptional
sound, performance, and reliability.

The iEQ series represents a major step forward in the performance of EQs.
The iEQ series is now able to offer state-of-the-art digital EQ performance
and specs with an analog look and feel. From its amazing 10Hz to 22kHz
frequency response, to its 113dB dynamic range and Advanced Feedback
Suppression (AFS?), dbx proprietary Type V? noise reduction
and PeakStopPlus? limiting, the iEQ-15 offers out of this world specifications
with a downto- earth price point. Sure to find a home in the studio, on tour and
with installed sound venues, the iEQ-15 is destined to take its rightful place in
the lineage of great dbx? signal processors that are the professional?s choice
in signal processing. With such pristine design and quality, the iEQ-15 offers
the maximum sonic flexibility in a straight forward interface and rock-solid construction.

  
? Advanced Feedback Suppression (AFS?)

? Type V? Noise Reduction

? PeakStopPlus? Limiting

? 2/3-octave Constant Q frequency bands

? Switchable boost/cut ranges of ±6 or ±15dB

? 18 dB per octave 40Hz low-cut filter

? ±12dB input gain range

? XLR, TRS and Euroblock Inputs and Outputs

? Internal Toroidal Transformer

? Frequency Response of 10Hz to 22kHz

? Dynamic range of greater than 113dB

? User Power Up Features

? Relay Bypass for Power Failure System Protection

The class-A circuit used in the EQ-73 is similar to the eq section in the classical 1073 module, without the high pass filter. Additional frequencies have been added and the mid frequency band uses two inductors, the higher value of the second one is used for the two lowest frequencies, 160 Hz and 240 Hz, to achieve a suitable response.

The sound character is warm, punchy, sweet and musical. These classic characteristics have been heard on countless recordings through the years and it is a versatile sound that works very well on most sound sources and in most genres. The essence of this sound is now available at a surprisingly low cost, making it available to nearly everyone.

The EQ-73 has stepped frequency controls that offers a wide selection of frequencies from 20 Hz to 24 kHz.

The Low and High frequency bands are shelving and the mid frequency band is of the bell type.

The control range is +/-15 dB for the two lower bands and +/- 18dB for the high frequency band.

There are separate bypass switches for all three bands.

The EQ-73 is made to be used together with one of our PRE-73 models that has an Insert jack. It can also be used with many other units that has a low level insert jack.

Combining a PRE-73 and an EQ-73, and using a UNITE rack kit to mount them together, one will get a 19-inch 1073-style unit at a low cost and with a great sound!

FEATURES

- Vintage Style electronics. No intergrated circuits in the signal path

- 3-band with a dual inductor based mid frequency band

- Stepped frequency selection

- A wide selection of frequencies from 20 Hz to 24 kHz

- Control range up to +/- 18 dB

- Separate Bypass switches for each band

- Tantalum capacitors in the signal path

- Made to be used together with one of our PRE-73 models with an Insert jack or any other unit with a low level Insert jack

- TRS jack for in-and output connection, the nominal working level is around 18 dBu

- Selectable ground lift switch

- External power supply to avoid interaction with the audio circuits

- Great sound that suits most sound sources and genres

- A solid build quality that will last many years of normal use

Phonic's GEQ3102F is the authentic soundman's choice of EQ - a dual channel 31-band equalizer, offering 6 or 12 dB of cut or boost on standard ISO center frequencies between 20 Hz and 20 KHz. The GEQ3102F is 2-rack space units high and accepts both 1/4" TRS phone jacks and XLR connectors, making it ideal for any studio or live venue setup.

  • Sweepable high and low cut filters on each channel to remove unwanted frequencies 
  • Ultra low-noise audio operational amplifiers offer outstanding sound performance 
  • Relay-controlled hard-bypass with an auto-bypass function during power failure 
  • Dedicated subwoofer output with user-adjustable low-pass filter
  • Feedback detection circuitry for indicating critical frequencies
  • Balanced inputs and outputs with 1/4" TRS and XLR connectors

 

Weight3.00 kg2.30 kg2.70 kg3.86 kg3.00 kg2.15 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 3.00 kg
Weight 2.30 kg
Weight 2.70 kg
Weight 3.86 kg
Weight 3.00 kg
Weight 2.15 kg