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See also:
User Manual
Features:
Accurate Constant Q Precision
Center Frequencies
Exceptional Frequency Response
at 20-20KHz, +/-0.5dB
Equipped with XLR, 1/4" Phone
and Euroblock Barrier Strip
Connectors
Independent Variable Hi
and Low Pass Filtering
deliver optimum control
Automatic Bypass Relays provided
in case power is lost to the unit
Extremely Quiet Operation housed
inside a Rugged Chassis Design
Applications:
Celebrating Twenty Years of Audio.
Applied Research & Technology • 215 Tremont St., Rochester, NY 14608 • USA • 585.436.2720 tel • 585.436.3942 fax • www.artproaudio.com
Features and specifications subject to change without notice. ©2005 Applied Research and Technology ART-HDSERIES-Specs-0704
High Definition Graphic Equalizers
Specifications:
Type / Accuracy
Travel
Range
Overall Gain Range
INPUTS
Type
Connectors
Impedance
Maximum Level
OUTPUTS
Type
Connectors
Impedance
Maximum Level
RFI filters
Bypass Switches
Overload LED Threshold
High Pass Filter
Low Pass Filter
Frequency Response
Live Sound Systems/PA, Permanent or Fixed Installations, Church, Club and Practice PA Systems, DJ Sound Systems,
Home and Project Recording Systems, and Monitor Systems.
THD + Noise
Constant Q, 3% Center Frequency
IM Distortion (SMPTE)
20mm (Positive Center Detent)
Signal to Noise Ratio
+/-6dB or +/-12dB (Selectable)
Off to +6dB (Unbal. out) Sliders Centered
Headroom
Off to +12dB (Bal. out) Sliders Centered
Dynamic Range
Channel Separation
Active Balanced/Unbalanced
Common Mode Rejection 50dB typical
3-Pin XLR, 1/4" TRS (Bal.), Euroblock
24k Ohms (Balanced); 12k Ohms (Unbal.)
POWER
+22dBm (Level Control at Center)
Line Voltage
Input AC Power
Construction
Active Balanced / Unbalanced
Sizes
3-Pin XLR, 1/4" TRS (Balanced),
Euroblock
Typical <150 Ohms
+22dBm (Balanced) (600 Ohm load)
Weight
+16dBm (Unbalanced) (2k Ohm load)
Yes
Yes, Passive
6 dB below clipping, (all filters set to flat)
10-250Hz, 12dB/Oct
3k-40kHz, 12dB/Oct
20-20kHz, +/-0.5dB
less than 0.01% (20Hz-20KHz, 0dBu)
0.005%
greater than 98dB, Ref: 0dBu, (Bal.)
HD215 greater than 95dB, Ref: 0dBu,
(Bal.) HD131/231 20Hz - 20KHz, unweighted.
+22dB, Ref, 0dBu, (Balanced)
(+/-6dB and +/-12dB range)
greater than 120dB, (Bal.) HD215
greater than 117dB, (Bal.) HD131/231
greater than 60dB
95-125VAC, 50/60Hz, 190-250VAC, 50/60 Hz
9 Watts (HD131 / HD215),
14Watts (HD231), typical
All Steel Chassis, Aluminum Front Panel
1.75"H x 19"W x 7.0"D (HD131/ HD215)
4.45cm x 48.3cm x 17.8cm
3.5"H x 19"W x 7.0"D (HD231)
8.9cm x 48.3cm x 17.8cm
7.5 Ibs (3.4 kg). (HD131 / HD215)
12 Ibs (5.4 kg). (HD231
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