Alex - Cream Ents
07-07-2010, 08:55 AM
May be a little "high end" for some members, but thought I'd give these a mention...We bought a job lot at work and have some left over. Brand new in boxes...
£639.99
Pretty good price for an excellent amp with loads of on board features, like a limiter and crossover!
Spec (from Crown):
Minimum Guaranteed Power, 1 kHz
Per channel, both channels driven
Stereo, 2 ohms (per ch.)1200W
Stereo, 4 ohms (per ch.)650W
Stereo, 8 ohms (per ch.)3200W*
Bridge-Mono, 4 ohms2400W
Bridge-Mono, 8 ohms 1600W*
With 0.5% THD.
*With 1% THD
Sensitivity (volts RMS) for full rated power at 4 ohms
1.4V
Frequency Response (at 1 watt into 4 ohms, 20Hz - 20 kHz)
+0/–1 dB
Signal to Noise Ratio (below rated 1 kHz power at 8 ohms), A-weighted
100 dB (103 dB in XTi 6000)
Damping Factor (8 ohm): 20 Hz to 400 Hz
> 500
Input Stage
Input is electronically balanced and employs
precision 1% resistors.
AC Line Current
(120VAC amplifier playing 1/8 power pink noise into 4 ohms per ch)
XTi 1000: 6.8A, XTi 2000: 8.3A, XTi 4000: 10.5A; at idle draws no more than 30 watts.
XTi 6000: 15.3A; at idle draws no more than 180 watts.
Crosstalk (below rated power) 20 Hz to 1 kHz
> 70 dB
Input Impedance (nominal)
20 kilohms balanced, 10 kilohms unbalanced
Load impedance (note: safe with all types of loads)
Stereo
Bridge mono
2-8 ohms (4-8 ohms in XTi 1000 A1 100V versions)
4-16 ohms (8-16 ohms in XTi 1000 A1 100V versions)
Voltage Gain (at 1 kHz, 8 ohm rated output)
XTi 1000: 30.5 dB. XTi 2000: 32.9 dB. XTi 4000: 34.2 dB. XTi 6000: 37.1 dB.
Maximum Input Signal
+22 dBu typical
Operating Temperature
0° C to 40° C at 95% relative humidity
(non-condensing)
AC Line Voltage and Frequency Configurations Available (± 10%)
100V, 120V, 220-240V 50/60 Hz
Ventilation
Flow-through ventilation from front to back
Cooling
Heat sinks and proportional-speed fan
Dimensions: Width, Height, Depth (behind mounting surface)
EIA Standard 19 in. W (EIA RS-310-B) x 3.5 in. (8.9 cm) H x12.25 in. (31.1cm) D
XTi 6000 is 16.2 in. (41.15 cm) D
Net Weight, Shipping Weight
18.5 lb (8.4 kg), 21.5 lb (9.8 kg)
XTi 6000 is 24.0 lb (10.9 kg), 30.0 lb (13.6 kg)
£639.99
Pretty good price for an excellent amp with loads of on board features, like a limiter and crossover!
Spec (from Crown):
Minimum Guaranteed Power, 1 kHz
Per channel, both channels driven
Stereo, 2 ohms (per ch.)1200W
Stereo, 4 ohms (per ch.)650W
Stereo, 8 ohms (per ch.)3200W*
Bridge-Mono, 4 ohms2400W
Bridge-Mono, 8 ohms 1600W*
With 0.5% THD.
*With 1% THD
Sensitivity (volts RMS) for full rated power at 4 ohms
1.4V
Frequency Response (at 1 watt into 4 ohms, 20Hz - 20 kHz)
+0/–1 dB
Signal to Noise Ratio (below rated 1 kHz power at 8 ohms), A-weighted
100 dB (103 dB in XTi 6000)
Damping Factor (8 ohm): 20 Hz to 400 Hz
> 500
Input Stage
Input is electronically balanced and employs
precision 1% resistors.
AC Line Current
(120VAC amplifier playing 1/8 power pink noise into 4 ohms per ch)
XTi 1000: 6.8A, XTi 2000: 8.3A, XTi 4000: 10.5A; at idle draws no more than 30 watts.
XTi 6000: 15.3A; at idle draws no more than 180 watts.
Crosstalk (below rated power) 20 Hz to 1 kHz
> 70 dB
Input Impedance (nominal)
20 kilohms balanced, 10 kilohms unbalanced
Load impedance (note: safe with all types of loads)
Stereo
Bridge mono
2-8 ohms (4-8 ohms in XTi 1000 A1 100V versions)
4-16 ohms (8-16 ohms in XTi 1000 A1 100V versions)
Voltage Gain (at 1 kHz, 8 ohm rated output)
XTi 1000: 30.5 dB. XTi 2000: 32.9 dB. XTi 4000: 34.2 dB. XTi 6000: 37.1 dB.
Maximum Input Signal
+22 dBu typical
Operating Temperature
0° C to 40° C at 95% relative humidity
(non-condensing)
AC Line Voltage and Frequency Configurations Available (± 10%)
100V, 120V, 220-240V 50/60 Hz
Ventilation
Flow-through ventilation from front to back
Cooling
Heat sinks and proportional-speed fan
Dimensions: Width, Height, Depth (behind mounting surface)
EIA Standard 19 in. W (EIA RS-310-B) x 3.5 in. (8.9 cm) H x12.25 in. (31.1cm) D
XTi 6000 is 16.2 in. (41.15 cm) D
Net Weight, Shipping Weight
18.5 lb (8.4 kg), 21.5 lb (9.8 kg)
XTi 6000 is 24.0 lb (10.9 kg), 30.0 lb (13.6 kg)