Aphex Systems 722, 720 Dominator, Nominal Operating Level, Input, Output, Other Specifications

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Dominator ™

II Models 720, 722

 

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.

11068 Randall Street • Sun Valley, CA 91352 • (818) 767-2929 • FAX (818) 767-2641

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.

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Contents Features Dominator Precision MultiBand Peak Limiter Models 720Why is the Dominator So Special? Aphex Dominator Precision MultiBand Peak Limiter Models 720Secret Ingredient ALT Process OFF/ONModel 722 Broadcast Dominator RCH Density adjustsApplications Other Specifications DominatorNominal Operating Level Input

720, 722 specifications

Aphex Systems is a name synonymous with high-quality audio processing equipment, and their 722 and 720 models are standout examples that showcase advanced technology and superior audio performance. These devices cater to professionals in the audio industry, including musicians, sound engineers, and producers, who demand the best in audio fidelity.

The Aphex 722 is renowned for its exceptional A/D and D/A conversion capabilities. This 24-bit converter operates at sample rates up to 192 kHz, ensuring that audio is captured and reproduced with remarkable accuracy and detail. One of the standout features of the 722 is its flexible connectivity options, including both AES/EBU and S/PDIF digital connections. This versatility allows for seamless integration into various audio setups, whether in a studio or live environments.

In addition to its conversion prowess, the Aphex 722 includes advanced audio processing features that enhance the overall sound quality. It boasts the proprietary Aphex "Exciter" technology, which is designed to add harmonic content to audio signals, enriching the listening experience without compromising the integrity of the original sound. This feature is especially useful for adding warmth to vocals and clarity to instrument tracks.

On the other hand, the Aphex 720 is a powerful microphone preamp that is celebrated for its pristine signal path and low noise operation. The 720 employs Class A circuitry, offering an impressive dynamic range that captures detailed audio nuances. With its high-impedance inputs, the device is compatible with a wide range of microphones, from dynamic to condenser types, making it a versatile choice for various recording scenarios.

Both the 722 and 720 feature rugged construction, ensuring durability in demanding environments. They are designed with intuitive controls that allow for easy adjustments on the fly, catering to the fast-paced nature of live performances and studio sessions. Integrated LED meters provide real-time visual feedback, aiding users in maintaining optimal levels and avoiding distortion.

In summary, Aphex Systems’ 722 and 720 models are exemplary tools that leverage cutting-edge technologies to deliver superior audio quality. With their advanced features such as high-resolution conversion, unique processing capabilities, and reliable preamp performance, these devices stand out as essential components for professionals seeking to elevate their audio production. Whether in a studio or during live performances, the 722 and 720 are poised to meet the highest standards of audio excellence.
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