Ashly Pema 8250 Operating Manual page 25

Operating Manual - Pema Protea Equipped Media Amplifi er
Remote Standby Contact Closure . . . . . . . . . . . . . . . . . . . . . . . . . Euroblock 5.08mm - close contact for standby mode
Preset Recall Contact Closure . . . . . . . . . . . . . . . . . . . . . . . . . . . .Euroblock 5.08mm - close contact to GND for preset 1-4 recall
Data Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Euroblock 5.08mm - +18V, Gnd, Data Out, Data In
Remote DC Level Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Euroblock 5.08mm - Channels 1-4 or 1-8, +5VDC, GND
Front Panel Indicators
Per Channel: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clip/Mute, -6dB, -12dB, -18dB, Temp,
Overall: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power, Standby, Protect, Power Switch Disable, Com
Control Surface and Amp Front Panel LEDs: . . . . . . . . . . . . . . . . Level meters are dB below RATED output
Attenuators: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . per channel: front panel, software,
Amplifi er Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . inrush current limitation, temperature monitoring,
Cooling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .temperature dependent speed-controlled axial fan
Control Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . onboard, compatible with standard 100MB Ethernet hardware
Power Cable Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15A Edison
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 lbs (9.53kg)
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19"W x 3.5"H x 15.5"D (483 x 89 x 394mm)
Environmental: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-120 deg. F, (4-49 deg, C) noncondensing
6.2 DSP Specifi cations
Input Source Selection
Mic/Line Preamp Gain. . . . . . . . . 0, +20dB, +40dB, +60dB
Input Source Select Options. . . . . Analog, Auto (net, analog)
Dynamics
Brick Wall Limiter
Threshold . . . . . . . . . . . . . . . . . . . -20dBu to +20dBu
Ratio . . . . . . . . . . . . . . . . . . . . . infi nite
Attack . . . . . . . . . . . . . . . . . . . . . 0.2ms/dB to 50 ms/dB
Release . . . . . . . . . . . . . . . . . . . . . 5ms/dB to 1000ms/dB
Compressor
Threshold . . . . . . . . . . . . . . . . . . . -20dBu to +20dBu
Ratio . . . . . . . . . . . . . . . . . . . . . 1.2:1 to infi nite
Attack . . . . . . . . . . . . . . . . . . . . . 0.2 to 50ms
Release . . . . . . . . . . . . . . . . . . . . . 5ms/dB to 1000ms/dB
Detector . . . . . . . . . . . . . . . . . . . . Peak/Average
Attenuation Bus . . . . . . . . . . . . . . 2 available
Metering. . . . . . . . . . . . . . . . . . . . In, Out, Attenuation,
Autoleveler
Target Level . . . . . . . . . . . . . . . . . -40dBu to +20dBu
Action . . . . . . . . . . . . . . . . . . . . . gentle, normal, aggressive,
Maximum Gain . . . . . . . . . . . . . . 0dB to +22dB
Metering. . . . . . . . . . . . . . . . . . . . Input, Gain, Attenuation
superimpose on graph
user defi ned
Current, Bridge (per pair)
offset link group, and remote
output over-current protection, mains fuses
Advanced Autoleveler Controls
Ratio . . . . . . . . . . . . . . . . . . . . . 1.2:1 to 10:1
Threshold Below Target. . . . . . . . -30dB to 0dB
Gain Increase Rate . . . . . . . . . . . . 5ms/dB to 1000ms/dB
Gain Decrease Rate . . . . . . . . . . . 5ms/dB to 1000ms/dB
Hold Time . . . . . . . . . . . . . . . . . . 0-6 sec
Ambient Noise Compensation (Output Only)
Max Gain . . . . . . . . . . . . . . . . . . . -20dB to +20dB
Min/Base Gain . . . . . . . . . . . . . . . -40dB to +20dB
Gain Change Rate . . . . . . . . . . . . 0.2s/dB to 20s/dB
Link Group. . . . . . . . . . . . . . . . . . 16 available
ANC Input Channel . . . . . . . . . . . 1-4 or 1-8
Noise Threshold . . . . . . . . . . . . . . -40dBu to +20dBu
Program/Ambient Gain Ratio . . . 0.3:1 to 3:1
Metering. . . . . . . . . . . . . . . . . . . . Input level, Attenuation,
Ducker
Ducking Type. . . . . . . . . . . . . . . . high/low priority, trigger,
Trigger Threshold. . . . . . . . . . . . . -80dBu to +20 dBu
Ducking Release . . . . . . . . . . . . . 5ms/dB to 1000ms/dB
Ducking Depth . . . . . . . . . . . . . . . 0dB to -30dB, -
Enable Ducking at Matrix Mixer . Yes
Metering. . . . . . . . . . . . . . . . . . . . Input
Gate
Threshold . . . . . . . . . . . . . . . . . . . -80dBu to +20dBu
Range . . . . . . . . . . . . . . . . . . . . . off, 100dB to 0dB
Attack . . . . . . . . . . . . . . . . . . . . . 0.2ms/dB to 50 ms/dB
Release . . . . . . . . . . . . . . . . . . . . . 5ms/dB to 1000ms/dB
Metering. . . . . . . . . . . . . . . . . . . . Key Signal, Gate LED
Average noise
fi libuster, ducked prgrm
∞
superimpose on graph
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