Specifications Notes: 0dBu =
0.775 VRMS |
Voltage Gain |
Selectable at 26dB, 32dB, 38dB, or 1.4V |
Damping Factor |
>250 (8 Ohm load <1kHz) |
Input High Pass Filter |
80Hz 2nd order |
Distortion (SMPTE, typical) |
<0.5% |
Distortion (THD-N, typical) |
<0.5% (8 Ohms, 10dB below rated power, 20Hz–20kHz) |
Channel Separation |
-75dB (dB from full output, 1kHz) |
Signal-to-Noise (unweighted) 20Hz-20kHz, Gain@26dB |
>99dB (all 150x models) >96dB (all 75x models) |
Frequency Response |
20Hz-20kHz, +/-0.05dB |
Balanced Input Connector |
Euroblock 3.5mm |
Input Impedance |
10k Ohms |
Maximum Input Level |
+21dBu |
Speaker Output Connector |
Euroblock 7.62mm |
Control Network |
RJ-45 connector, 100MB Ethernet |
AUX Output Connector |
Balanced Euroblock 3.5mm |
AUX Output Maximum Level |
+21dBu |
Remote Standby Contact Closure |
Euroblock 3.5mm, close contact pin to ground (G) for standby mode |
Preset Recall Contact Closure |
Euroblock 3.5mm, close contact to ground (G) for preset 1-4 recall |
Data Connection |
Euroblock 3.5mm – Gnd, +18V, Data Out, Data In |
Fault Condition Logic Outputs |
Euroblock 3.5mm – fault indicated by loss of 1Hz "heartbeat" pulse signal
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|
Remote DC Level Control |
Euroblock 3.5mm – Gnd, CV, V+ per input |
Attenuators (per channel) |
Rear panel, Fully off = Mute |
Amplifier Protection |
Shorted output power limiting, over-temperature, DC-output, power-supply fault,
mains-fuses & inrush-current limiting |
Cooling |
Continuously variable temperature controlled fan |
Environmental |
32°F-120°F, (0°C-49°C) non-condensing |
Weights and Dimensions |
Unit Dimensions |
19”W x 1.75”H x 14.54”D (483mm x 45mm x 369mm) |
Shipping Dimensions |
25.2"W x 2.5"H x 19.5"D (641mm x 64mm x 495mm) |
Unit Weight |
1504/754 13.1lbs (5.9kg), 1502/752 12.1lbs (5.5kg) |
Shipping Weight |
1504/754 16.0lbs (7.3kg), 1502/752 15.0lbs (6.8kg) |
Front Panel LED Indicators |
POWER (white) |
Switch: On, Off, Standby (flashing) |
PROTECT (red) |
On (fault condition or shut down), Of |
SLEEP (blue) |
On, amplifier is asleep from audio inactivity |
DISABLE (yellow) |
On, power switch & attenuators are disabled |
COM (green) |
On, for Ethernet data or Device ID |
Per Channel |
CLIP/MUTE (red) |
Clip @ 1dB below rated output / Mute |
SIGNAL (green) |
-18dB below rated output |
CURRENT (green) |
Brightness is proportional to output current |
TEMP(yelow) |
On dim at 90% max operating temperature, On full bright + protect at
100% |
BRIDGE (green) |
Per Channel Pair, On, Of |
Power Requirements (50 – 60Hz)
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Nominal Voltage Input |
100 – 240VAC |
Operating Range |
70 – 270VAC |
Minimum power-up |
70VAC |
Power Supply Type |
SMPS with active PFC (Power Factor Correction) |
AC Mains Line Cord Connector |
Detachable Nema 5-15 for USA (May vary for export) |