Sabine ADF 4000

Features

• Two separate, 2-channel, 31-band digital graphic equalizers
• Up to 12 additional filters per channel, configurable as any combination of:
  • fully parametric filters
  • fixed or dynamic automatic feedback control filters with Sabine’s patented FBX Automatic Feedback Control technology
     
• High and low-pass filters for each channel
• 2 channel fully adjustable compressor/limiter
• Full featured, filter-based RTA
• 2 channel digital delay for programmable time alignment of speakers by up to 83.2 mSec.
• 99 memory settings. Instant recall of all or selected parameters.
• Automatic Room EQ. Calibrate a system in any acoustic space to a flat response curve automatically in just a few seconds.
• ClipGuard™ Adaptive Clip Level Control. This patented Sabine function automatically prevents digital clipping and expands dynamic range to over 110dB.
• Optional remote control via RS-232 interface (for Windows™ computers)
• Optional Digital I/O: Allows user-selectable sample rate and input source

Specifications

• 31 digital filters on ISO center frequencies, width selectable from .5 to 1
• octave in .01 octave increments, +12 to -15 dB boost & cut
• Independent display and control or A & B channels, LINK or COPY

• 31 band, 20 Hz — 20 KHz on ISO center frequencies
• A, B, C or flat weighting
• Fast/slow, peak/hold
• Source selectable: reference mic, channels A or B, input or output
• Reference mic input: ISO phantom power, +48VDC @ 10mA, 6.8K
• Ohm impedance

• Threshold: +32dBu to -30dBu in 0.5dB steps
• Ratio: 1:1, 1.4, 2, 3, 4, 5, 6, 7, 8, 9, 10, 16, 32, infinite
• Knee: 1 (hardest) to 40 (softest)
• Attack: 1.0 to 99 msec in 1 msec steps
• Release: .05 to 5 sec in .05 sec steps

• Threshold: -20dBu to -90.0dBu in 0.5dB steps
• Ratio: 1:1, 1.4, 2, 3, 4, 5, 6, 7, 8, 9, 10, 16, 32, infinite
• Knee: 1 (hardest) to 40 (softest)
• Attack: 1 to 99 msec in 1 msec steps
• Release: .05 to 5 sec in .05 sec steps

• 1.38 - 83.28 milliseconds/channel in 20 microsecond steps
• Automatic or User Programmable in feet or meters.
• Password Configuration
• 5 numeric characters

• 99 user defined
• 1 factory default
• 1 most recent configuration (power down save)

• LCD Display
• Clip, limit, signal and gate LEDs for channels A and B; clip and signal
• LEDs for REF; MIDI, Serial & Digital LED indicators
• Four menu/soft keys
• More, Help & Enter keys
• Data wheel and cursor keys

• Input impedance: Balanced > 10K Ohms, PIN 2 high
• Output impedance: Balanced 10 Ohms nominal, PIN 2 high
• Input/Output maximum signal levels: Balanced +26 dBV peak
• Max. output load: 600 Ohms balanced
• Bypass: true power-off bypass
• I/O connectors: XLR-3

• Frequency response: 10Hz to 20KHz, 0.2dB @ +22dBV
• SNR**: > 105 dB (with ClipGuard)
• THD: < 0.01% @ 22 dBV at 1 KHz
• Dynamic range: > 110 dB (with ClipGuard)
• Headroom: +22dB peak @ 4dBV nominal input

• 50/60Hz available in 100V, 120V, 230V; 25W

• 2-U rack mount 19 x 3.5 x 9 in. (48.3 x 9 x 22.9 cm); 9 lb. (3.9 Kg)