Crown LPS-1500, Руководство по эксплуатации

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LPS Series Power Amplifiers
Operation Manual
page 8
Guaranteed Minimum Power LPS-800 LPS-1500 LPS-2500
1 kHz (EIA) with 0.5% THD
4 ohms stereo (per channel)
8 ohms stereo (per channel)
8 ohms bridge mono
300W
150W
600W
400W
250W
800W
725W
550W
1450W
Performance
Frequency Reponse (at 1 watt) 40 Hz - 20 kHz, +0/–3 dB
Total Harmonic Distortion (THD) < 0.5%, 20 Hz - 20 kHz
Intermodulation Distortion (IMD)
60 Hz and 7 kHz at 4:1, from full rated output to –30 dB
< 0.3%
Slew Rate > 20V/μs > 23V/μs > 27V/μs
Voltage Gain 32 dB 32 dB 34 dB
Damping Factor (8 ohms), 10 Hz - 400 Hz
> 300
Signal-to-Noise Ratio (below rated power, 20 Hz to 20 kHz, A-weighted > 100 dB
Crosstalk (below rated power)
At 1 kHz
At 20 kHz
–76 dB
–58 dB
Input Sensitivity for full rated power at 4 ohms 1.25V rms
Input Impedance (nominal)
Balanced
Unbalanced
20 kilohms
10 kilohms
Connectors, Controls and Indicators
Input Connectors
One balanced XLR for each channel
Output Connectors (Speaker Connectors) Speakon
®
and one pair binding post for each channel
Front Panel Controls Power on/off switch, one gain control per channel
Rear Panel Controls Output mode switch: stereo (dual), parallel or bridge
Power Indicator One blue LED
Signal Indicator One green LED per channel
Clip (peak) Indicator One red LED per channel
Fault Indicator Red LED, one per channel, indicates channel shutdown
Construction
Protection Protection against short circuits, no-load, on/off muting, RF
interference. Stable into reactive or mismatched loads
Ventilation Flow-through ventilation from front to back
Cooling Internal heat sinks with forced air. Fan cooled, speed regulated,
thermal protection
Dimensions (W x H x D) 19" x 3.5" x 15.2" (482 mm x 89 mm x 386 mm)
Net Weight 20.9 lb (9.5 kg) 22.9 lb (10.4 kg) 29.8 lb (13.5 kg)
Shipping Weight 24.0 lb (10.9 kg) 26.0 lb (11.8 kg) 32.8 lb (14.9 kg)
Specifications