Filter
Top Products
Dominator
™
II Models 720, 722
Aphex is proudly American…100% owned, engineered and manufactured in the U.S.A.
Aphex is a registered trademark of Aphex Systems, Ltd.
Aphex is constantly striving to maintain the highest professional standards. As a result of these efforts, modifications may be made from time
to time to existing products without prior notice. Specifications and appearance may differ from those listed or shown.
11068 Randall Street • Sun Valley, CA 91352 • (818) 767-2929 • FAX (818) 767-2641
NOMINAL OPERATING LEVEL 0dBu (for use with +4 or +8dBu) -10dBu
(Peak Ceiling RANGE switch)
INPUT
Connector: 3-Pin XLR female (pin 1 ground, pin 2 positive, pin 3 negative)
Type: Transformerless, servo balanced with passive 4th order RF filter
Chassis grounded per AES standards
Impedance: 19.5 kΩ Unterminated; same
600Ω with rear-panel terminator engaged same
(terminator lifts in bypass)
Nominal Level: from 0dBu to +8dBu from -10dBu to 0dBu
Maximum Level: +26dBu +16dBu (+14.8dBV)
CMRR (typical): > 50dB 20Hz to 10kHz same
RF Rejection: > 28dB at 800 kHz; > 60dB above 2 mHz same
OUTPUT
Connector: 3-Pin XLR male (pin 1 ground, pin 2 positive, pin 3 negative)
Type: Transformerless, servo balanced, chassis grounded per AES standards
Output Impedance: 65Ω same
Nominal Level: from 0dBu to +8dBu from -10dBu to 0dBu
Maximum Level: +25dBu PK* +15dBu PK*
AUDIO (Controls set for unity gain, no limiting and flat response except as otherwise noted)
Frequency Response: +0.2dB 4.5Hz - 50kHz same
Dynamic Range: > 108dB > 106dB
Hum & Noise (unweighted, 22 Hz - 22 kHz): < -82dBu < -90dBu
Crosstalk: < -60dB up to 10kHz same
THD (Ref.: 1kHz, no limiting): < 0.006% (+12dBu in) < 0.006% (+2dBu in)
SMPTE IMD: < 0.006% (+12dBu in) < 0.006% (+2dBu in)
720/722 CONTROL & METERING PARAMETERS (on front panel unless otherwise noted)
INPUT GAIN: +14/-21 dB typical same
PROCESS ON/OFF: ON: Active / OFF: Hardwire Bypass same
LF EQ Boost/Cut: ± 5 dB same
HF EQ Boost/Cut: ± 5 dB same
XOVER 1 Frequency: 100 Hz / 210 Hz same
XOVER 2 Frequency: 1.7 kHz / 3.4 kHz same
RELEASE Time: 150 mSec to 7 Sec same
RCH (Relative Crest Height) DENSITY: -5 to +5 same
STEREO COUPLING: ON / OFF same
PEAK CEILING: +1 to +25dBu (PK)** -9 to +15dBu (PK)**
Peak Ceiling is adjusted with the COARSE (2dB steps), FINE (0.2dB steps)
and RANGE (0dB/-10dB) controls
LIMITING Meter: 10 segment meter indicates up to 15dB of gain reduction in the channel
with the greatest amount of limiting
600 OHM INPUT TERMINATION: Each channel is switchable on rear panel (lifts in bypass)
REMOTE Control Jack: A four pin RJ11 telephone-style connector on the rear panel provides remote
control capacity of the PROCESS ON/OFF bypass relays and dry “tally”
contact for a remote status indicator
722 CONTROL PARAMETERS (722 only)
EMPHASIZED LIMITING (switches are located on the rear panel with LED function indicators located on the front panel)
DE-EMP (De-emphasis): ON / OFF same
PRE-EMP (Pre-emphasis): ON / OFF same
TIME CONSTANT (Microseconds): 75mS / 50mS same
OTHER SPECIFICATIONS
Power Input: IEC standard receptacle with voltage selector, fuse and filter
Power Requirements: 100, 120, 220, or 240 VAC; 50 or 60 Hz
Power Consumption: 30 watts maximum
Power Fuse: Slow blowing type- 100/120 VAC: 0.375 A; 220/240 VAC: 0.25A
Net Weight: 6 lbs. (2.72 kg)
Shipping Weight: 9 lbs. (4.08 kg)
Dimensions: 19” W x 1.75” H x 9.63” D (482.6 mm x 44.5 mm x 244.6 mm)
EIA Mounting: Mounts in standard 19” rack, using 1 RU of vertical space and 8.8”
(223mm) of depth behind front panel (not including power or I/O cables)
* Maximum Output Level is limited by the PEAK CEILING setting. The output stage is capable of +26dBu into 600Ω.
** dB (PK) = peak value of sine wave.