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Aphex 320D COMPELLOR - Dual Channel Automated Compressor/Leveler/Limiter with Digital Inputs and Outputs

B&H # AP320D Mfr # 320D
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Reg. Price: $1,299.00
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You Pay: $999.00

The Aphex 320D delivers "intelligent" compressor action, leveling and peak limiting simultaneously. It can be used to solve audio level problems and improve audio signals in the broadcast or recording studio, tape duplication house, film-dubbing studio or in live sound applications.

For digital interfacing, the unit contains a high quality 24-bit, low-noise codec to receive digital audio and transmit digital audio. Once the incoming digital audio is converted by the DAC section, it passes through the compellor as normal audio. The audio output is then converted back to digital by the ADC section of the codec. The rear panel AES3 jacks are standard professional 110Ω interfaces. There is no word clock input or output. Synchronizing is done from the AES3 input signal or an internal clock.

Patented control circuits include analog computers that continuously analyze the input signal, and vary the control characteristics to provide for virtually undetectable operation, regardless of the dynamics of the program. Extremely easy to operate, the user only needs to set the Drive level to generate the desired amount of processing, set the Process Balance control between Leveling and Compression and adjust the Output level for unity gain.

The 320D is then ready to provide complete dynamic control - smooth, inaudible compression, increased system gain, desired program density and the freedom from constant "gain riding" - all performed automatically. Its unique circuit design actually enhances transient qualities, thus making even heavy processing undetectable.

The 320D provides the option of Dual Mono or Stereo operation. In mono mode, unit provides two completely independent channels of processing. In Stereo mode, the user can choose between linking only the leveling control signals or linking both the compression and leveling signals. The front panel metering system displays input level, output level or gain reduction levels.

All potentiometers are detented for accurate resetting of controls. A Leveling Speed (fast/slow) switch is located on the front panel, as is the defeat switch for the peak limiter. Operating reference levels are selectable from -10dBV, +4dBu or +8dBu.

Two channels of automatic compression/leveling/limiting
Dual mono or stereo operation
Digital AES/EBU input and output with 24-bit/96kHz resolution A/D and D/A converters
Intelligent Automated Gain Control (AGC) for consistent program levels
"Invisible" compression characteristics assure tighter dynamics and virtually transparent performance
Instantaneous peak limiting for effective system protection (user defeatable)
Adaptive control circuits make for fast, simple set-up and no readjustment for varying program dynamics
Function Compressor/Leveler/Limiter
Number of Channels 2
Inputs 2 x XLR analog
1 x XLR AES/EBU
Output 2 x XLR analog
1 x XLR AES/EBU
Maximum Input Level +25 dBu when set for +4 dBu operation
Compression Threshold Compressor: 30 dB below nominal level
Leveler: 30 dB below nominal level
Limiter: 12 dB below nominal level
Compression Ratio Compressor: 1.1:1 to 3:1 program dependent
Leveler: 20:1
Limiter: >30:1
Attack Time Compressor: 5 to 50 mSec program dependent
Leveler: Frequency dependent
Limiter: 1 uSec
Release Time Compressor: 200 mSec to 1 sec program dependent
Leveler: 3 sec (fast), 10 sec (slow)
Limiter: 20 mSec
Gate Threshold Not applicable
Gate Rate Not applicable
Maximum Output Level +20 dBu when set for +4 dBu operation
Make-up Gain Not specified by manufacturer
Frequency Response 10 Hz to 65 kHz
Dynamic Range Not specified by manufacturer
Noise Not specified by manufacturer
Dimensions (WxDxH) 19.00 x 10.13 x 1.75" (48.26 x 25.73 x 4.45 cm)
Weight 8.0 lb (3.6 kg)
Specialties A Silence Gate feature detects significant gaps in the program material and freezes the processing, thus preventing noise "swell" or "build-up," a condition commonly audible in other automatic gain control devices. The Silence Gate immediately releases when the program material resumes
Aphex 320D COMPELLOR - Dual Channel Automated Compressor/Leveler/Limiter with Digital Inputs and Outputs
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