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Klark Teknik SQ1G

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Klark Teknik SQ1G is a dual 30 band, 1/3 octave analogue graphic equalizer with enhanced proportional-Q response.

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Features and Benefits of the Klark Teknik SQ1G

  • Enhanced proportional-Q equalization provides both smooth contouring EQ and  high-Q notches
  • Fixed 80 Hz high-pass and 12kHz low-pass filters per channel with bypass switches
  • Long throw 45 mm oil-damped gaders with dust covers for increased accuracy and reliablilty
  • Channel bypass switch
  • Power-off bypass relays
  • Electronically balanced inputs and outputs on both Neutrik XLR and1/4" TRS connectors
  • Rugged 3U rackmount chassis for durability in portable applications
  • Auto-ranging universal switch-mode power supply
  • 3 year warranty 

 

Klark Teknik has been designing audio equalizers since 1975, and has an impressive back catalogue, which includes the DN27,  DN360 and DN370 three of the industry's finest and longest-established designs.

The Square ONE graphic represents 30-years of Klark Teknik's design expertise, offered at a more accessible price point, bringing superb audio performance within reach of the most budget-sensitive applications.

45mm faders with integral dust guards
Long-throw faders for maximum accuracy and resolution.

Signal present & Clip LEDs
Maximum input capability of +22dBu.

Universal Power Supply
Auto voltage-sensing, operates anywhere between 100-240V ± 10%.

Fully balanced inputs & Outputs
XLR & TRS connectors, both feature extremely high CMRR.

Relay activated bypass
Continues to pass audio in the event of power failure.

Roadworthy 3U steel chassis
Designed to withstand the rigours of the road.

PROportional Q filters
The “Q” or bandwidth of the Square ONE's filters is proportional to the gain applied, and so gives increasing focus on real problem frequencies. This also means that adjacent filters sum together with minimum phase error, providing smooth, ripple-free summation.
This filter mapping is also implemented on the World-leading Klark Teknik DN370, and is the most appropriate for live sound reinforcement.

High Pass Filters
The HPF on graphic equalizers are used to remove unwanted subsonic frequencies (traditionally about 30Hz). The HPF on the Square ONE graphic is set at 80Hz. If using your Square ONE graphic with a large speaker system, then you will almost certainly be using an active crossover, which should provide appropriate subsonic protection. In this case, leave the HPF out of circuit.

When using more compact loudspeakers, use the 80Hz. knee of the Square ONE HPF for maximising their headroom and efficiency (If using your Square ONE graphic with foldback loudspeakers which have an extended bass response, the HPF can still be used, in fact, useful results can be obtained by “bending” the knee of the HPF, by boosting the 63Hz fader on 
the graphic).

Low Pass Filters
The Square ONE graphic's LPF is fixed at 12kHz. This is optimal for stage monitoring applications, both loudspeaker and IEM systems, and will increase available headroom as well as providing HF drivers with some thermal protection against ultrasonic frequencies.

When engaged simultaneously, the Square ONE graphic's HPF & LPF give optimal control of the operating bandwidth of most foldback (floor wedge & IEM) transducer systems.

More information from the Klark Teknik site: 
Graphic - Square One, Klark Teknik

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