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This item is noncancelable and nonreturnable.
You Pay: $449.95
The Dorrough 10-AE Analog Loudness Meter +43dB is a single-channel version of Dorrough's standard 40-A loudness meter with a display scale allowing 43dB of headroom in 1dB steps and Phoenix (euroblock) connectors. The headroom scale is identical to the AES/EBU Digital Standard.
This meter provides access phase correlation, peak hold, sum/diff, and reference mode allowing 0 reference setting to .1dB accuracy, directly or with the optional remote control. Rack mounting is required.
Input Impedance | 20k Ohm balanced, 10k Ohm single-ended, +/- 2% |
Common Mode Rejection Ratio | 80 dB at 60 Hz, 60 dB at 20 kHz (balanced mode) |
Input Sensitivity | -10 dB for full-scale display |
Maximum Input Level | +24 dB before clipping |
Signal Path Bandwidth | 10 Hz - 25 kHz, +/- .25 dB |
Signal Path Distortion | Less than 1% THD at 1 kHz, +24 dB input |
Sum Error | Less than 0.1 dB at 1 kHz |
Difference Error | Less than 0.1 dB at 1 kHz |
Display Resolution | Less than 0.1 dB at 1 kHz |
Step Size Error | +/- 0.25 dB |
Absolute Error | Full Scale -39 dBu: +/- 0.25 dB model A,B,C |
Drift | +/- 0.25 dB |
Average Time Constant | 600 mS, +/- 6% |
Peak Acquisition Period | 10 uS, to full-scale, sine input 25kHz |
Peak Attack Period | Virtually Instantaneous |
Peak Decay Period | 180 mS, from full-scale to all LEDs off (models A, B, C) |
Display Update Rate | Approximately 10 mS |
Display Duty Cycle |
Display Time, AVERAGE, PEAK HOLD - 75%
Display Time, PEAK - 100% |
Power Supply Input Range | 117/237 VAC RMS, -20% to +10%, 50-60 Hz |
Calibration Controls | None Needed |
User Controls |
Left/Right input sensitivity Option DIP Switch
A) Peak Auto [ON] B) Difference Mode [ON/OFF] C) Over Level Alarm [ENABLE] D) Under Level Alarm [ENABLE] E) Auto ARMP |
User Port |
DB-9 Connector A) Alarm relay closure contacts 1 form C, 1A, 30V AC or DC
B) Mode control switch (user supplied) C) PEAK function switch (user supplied) |
Dimensions (WxDxH) | 4.25 x 3.0 x 2.0" (in.) (1.7 x 1.2 x .8cm) |
Weight | Not Specified by Manufacturer |
Packaging Info | |
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Package Weight | 1.5 lb |
Box Dimensions (LxWxH) | 0.01 x 0.01 x 0.01" |