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
