Crown I-Tech I-T4000, Operation Manual

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Operation Manual
I-Tech Series Power Amplifiers
page 34
Minimum Guaranteed Power I-T4000 I-T6000 I-T8000
20 Hz - 20 kHz with 0.35% THD
Stereo, 2 ohms (per ch.)
Stereo, 4 ohms (per ch.)
Stereo, 8 ohms (per ch.)
Bridge mono, 4 ohms
Bridge mono, 8 ohms 1800W
2000W
1250W
3600W
4000W 2500W
3000W
1500W
5000W
6000W 3500W
4000W
2100W
7000W
8000W
Performance I-T4000 I-T6000 I-T8000
Input Sensitivity (volts RMS) for rated output Adjustable in 0.1V steps from
1.4V to 7.75V
Adjustable in 0.1V steps from
1.4V to 7.75V
Adjustable in 0.1V steps from
1.4V to 7.75V
Voltage Gain for full rated power at 8 ohms 37.1 dB to 22.2 dB 37.9 dB to 23.0 dB 39.3 dB to 24.5 dB
Frequency Response (at 1 watt, 20Hz - 20 kHz) ± 0.25 dB ± 0.25 dB ± 0.25 dB
Signal to Noise Ratio below rated full-bandwidth power, A-weighted > 105 dB > 105 dB > 105 dB
Total Harmonic Distortion (THD) at full rated power < 0.35% < 0.35% < 0.35%
Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1,
from full rated output to –35 dB < 0.35% < 0.35% < 0.35%
Maximum Input Level +15 dBu or +21 dBu,
depending on setting of maximum input level
+15 dBu or +21 dBu,
depending on setting of maximum input level
+15 dBu or +21 dBu,
depending on setting of maximum input level
Latency (analog, digital inputs) Analog: 1.13 mS. Digital: See Table 5 below. Analog: 1.13 mS. Digital: See Table 5 below. Analog: 1.13 mS. Digital: See Table 5 below.
A/D, D/A Converters 24-bit 96 kHz Cirrus Logic 24-bit 96 kHz Cirrus Logic 24-bit 96 kHz Cirrus Logic
Digital Input AES/EBU, 24-bit, 32-96 kHz.
Onboard sample rate converter.
AES/EBU, 24-bit, 32-96 kHz.
Onboard sample rate converter.
AES/EBU, 24-bit, 32-96 kHz.
Onboard sample rate converter.
Network Onboard HiQnet and TCP/IQ, compatible with
standard 100Mb Ethernet hardware
Onboard HiQnet and TCP/IQ, compatible with
standard 100Mb Ethernet hardware
Onboard HiQnet and TCP/IQ, compatible with
standard 100Mb Ethernet hardware
DSP 24-bit conversion with 32-bit, floating-point
DSP processing
24-bit conversion with 32-bit, floating-point
DSP processing
24-bit conversion with 32-bit, floating-point
DSP processing
Attenuators Speed-sensitive rotary encoders, 0.5 dB steps,
range 0 to –100 dB.
Speed-sensitive rotary encoders, 0.5 dB steps,
range 0 to –100 dB
Speed-sensitive rotary encoders, 0.5 dB steps,
range 0 to –100 dB
6 Specifications
6.1 Performance
Sample rate Latency
32 kHz 2.74 mS
44.1 kHz 2.36 mS
48 kHz 2.28 mS
96 kHz 1.81 mS
Table 5 Latency (digital inputs)