Crown Audio Power-Tech 1.1 - Manual (Page 16)

Power-Tech .1 Series Power Amplifiers
page 16 Operation Manual
Minimum Guaranteed Power Power-Tech 1.1 Power-Tech 2.1 Power-Tech 3.1
120 VAC, 60 Hz Units, Stereo mode, per channel, both channels driven
1 kHz with 0.1% THD
Stereo, 4 ohms per ch.
Stereo, 8 ohms per ch. 305
220 460
325 760
540
120 VAC, 60 Hz Units, Bridge mono mode
1 kHz with 0.1% THD
8 ohms
16 ohms 605
445 910
660 1,525
1,090
120 VAC, 60 Hz Units, Parallel mono mode
1 kHz with 0.1% THD
2 ohms
4 ohms 605
440 920
655 1,530
1,080
Performance Power-Tech 1.1 Power-Tech 2.1 Power-Tech 3.1
Frequency Response (at 1 watt, 20Hz - 20 kHz) ± 0.1 dB ± 0.1 dB ± 0.1 dB
Phase Response (at 1 watt, 10Hz - 20 kHz) ± 10° ± 10° ± 10°
Signal to Noise Ratio below rated power (20 Hz to 20 kHz) >100 dB >100 dB >100 dB
Total Harmonic Distortion (THD) at rated power, from 20 Hz to 1 kHz < 0.05% < 0.05% < 0.05%
Total Harmonic Distortion (THD) at rated power, at 20 kHz < 0.1% < 0.1% < 0.1%
Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1,
from 163 milliwatts to full bandwidth power < 0.05% < 0.05% < 0.05%
Damping Factor: 10 Hz to 400 Hz >1000 >1000 >1000
Crosstalk (below rated power, 20 Hz to 1 kHz) > 60 dB > 60 dB > 60 dB
Controlled Slew Rate >13 volts/ms >13 volts/ms >13 volts/ms
Input Impedance nominally balanced, nominally unbalanced 20 k ohms, 10 k ohms 20 k ohms, 10 k ohms 20 k ohms, 10 k ohms
Load Impedance (Note: Safe with all types of loads)
Stereo
Bridge Mono
Parallel Mono
4-8 ohms
8-16 ohms
2-4 ohms
4-8 ohms
8-16 ohms
2-4 ohms
4-8 ohms
8-16 ohms
2-4 ohms
Voltage Gain (at maximum level setting)
0.775V sensitivity
1.4V sensitivity
35 dB
30 dB 36 dB
31 dB 38 dB
33 dB
Required AC Mains (configured country-specific) 50/60 Hz, 100-240VAC (+10%, -15%) 50/60 Hz, 100-240VAC (+10%, -15%) 50/60 Hz, 100-240VAC (+10%, -15%)
Power Draw at Idle (configured country-specific) 90 watts or less 90 watts or less 90 watts or less
7 Specifications