PRESONUS DEQ-624 – DIGITAL STEREO GRAPHIC EQUALISER w-DYNAMICS

Discontinued

832.55 782.60 incl. GR VAT

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The DEQ624 is a new direction for two channel/stereo graphic equalizers. Although equalization is the main function, it provides many more benefits. The DEQ624 is a digital processing unit, under digital control but with a familiar analog feel; no menus or sub-menus to slow you down on the gig. The DEQ624 incorporates a separate hi-pass […]

 

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The DEQ624 is a new direction for two channel/stereo graphic equalizers. Although
equalization is the main function, it provides many more benefits. The DEQ624 is a
digital processing unit, under digital control but with a familiar analog feel; no menus
or sub-menus to slow you down on the gig. The DEQ624 incorporates a separate hi-pass
and lo-pass filter for each channel for use in dialing in or out a certain range of frequencies.
There is a narrow Q select that gives more precise control over the frequency being attenuated,
without affecting adjacent frequencies. Metering is via 22-segment board-mounted LED’s
that show output gain as well as a 9-segment LED for gain reduction on each channel.
There is a switchable Range control that changes the cut/boost of individual frequencies
over three different scenarios; +6 dB to -6dB, +12dB to – 12dB or +12 dB to – 24dB. The
Channel-A Master button copies Channel-A settings to Channel-B, eliminating the need to
manually set both channels in a live stereo situation. The DEQ624 provides a Security Lock-
out Feature and enables the user to define and store four preset EQ curves for the venues
or programs where the DEQ624 is most used. Presonus has developed a proprietary 60-cycle
hum cancellation algorithm, which is deemed AHC for ‘Adaptive Hum Cancellation’. The
AHC circuit is the only one of its kind to be used in an audio system and should be worth
the price of admission for many live venues where ground-loops and poorly designed systems
are common. Each channel on the DEQ624 has its own compressor/limiter with Threshold
control for system and listener protection from harsh peaks and transients. The DEQ624 includes
a separate expander for each channel that gives the user control over Threshold and Ratio, which
provides for system noise to be minimized when idle. The rear panel of the DEQ624 provides for XLR
Balanced in an out as well as barrier-strip terminals for permanent installation. The power supply is
internal and the chassis is custom molded extruded aluminum and steel.  

 Features
? Analog Feel with 24Bit DSP
? Two 31-Band Equalizers
? 74 High Resolution Digital Encoders
? Variable Hi-Pass and Lo-Pass Filters
? Transparent Multistage Limiting
? Seamless Noise Reduction via Downward Expander
? Hi-Q can be selected for any frequency (1/8th Octave Narrow Notch)
? Selectable Ranges: +/- 6dB , +/-12dB , +12/-24dB
? Relay Bypass
? Metering via 22 Segment LED?s that show output gain as well as 9-segment
   LED for gain reduction for each channel
? Channel-A Master button copies settings to Channel-B, eliminating the need to
   manually set both channels in a live stereo situation
? Security Lockout feature disables front panel encoders
? Snapshot storage and recall of four programs
? AHC Proprietary Digital Algorithm adaptively detects and removes system
   hum up to the 24th harmonic
? Rear panel of the DEQ624 provides for XLR and TRS Balanced I/O as well as
   barrier-strip terminals for permanent installation
 
Technical Specifications:
Number of Channels Two
Dynamic Range >105dB
Noise Floor -95dBu
Signal to Noise >90dB
Power Supply Rejection >98dB
Headroom +22dBu
Frequency Response +/- 0.5dB 10Hz to 22kHz
Channel Gain -20dB to +20dB
THD + Noise (Unweighted) 0.005%
Input
Input Impedance 12KW
Input Connectors 51W XLR,1/4″ TRS, and Barrier Strip
Output
Output Impedance 51W
Output Connectors XLR,1/4“TRS, and Barrier Strip
Metering
Level Meters 20-Segment LED -42dBu to +22 dBu
Gain Reduction 10-Segment LED -0.5dB to -12 dB
Power Supply
Type Linear
Input 115 / 230V AC (Factory Configured)
Power 20 Watts
Main Connection IEC receptacle
Size 2U Rack
Dimensions 19″ W x 9″ D x 3.5″ H
Weight 14 lbs./ 6.35 kg.
Chassis Steel/Aluminum
 

Weight 8.00 kg

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