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K Series Power Amplifiers
Operation Manual
Minimum Guaranteed Power K1 K2
120 VAC, 60 Hz Units, Stereo mode, per channel, both channels driven
1 kHz with 0.1% THD
Stereo, 2 ohms per ch.
Stereo, 4 ohms per ch.
Stereo, 8 ohms per ch.
750W
550W
350W
1,250W
800W
500W
120 VAC, 60 Hz Units, Bridge mono mode
1 kHz with 0.1% THD
4 ohms
1,500W 2,500W
Performance K1 K2
Frequency Response (at 1 watt, 20 Hz - 20 kHz) ± 0.25 dB ± 0.25 dB
Signal to Noise Ratio below rated power (20 Hz to 20 kHz) > 100 dB > 100 dB
Damping Factor: 10 Hz to 400 Hz > 3000 > 3000
Crosstalk (below rated power, 20 Hz to 1 kHz) > 60 dB > 60 dB
DC output offset ±10 millivolts ±10 millivolts
Controlled Slew Rate > 13 volts/ms > 13 volts/ms
Input Impedance nominally balanced, nominally unbalanced 20 k ohms, 10 k ohms 20 k ohms, 10 k ohms
Load Impedance (Note: Safe with all types of loads)
Stereo
Bridge Mono
2-8 ohms
4 ohms
2-8 ohms
4 ohms
Voltage Gain (at maximum level setting)
1.4V sensitivity
26 dB gain
31.5 dB
26 dB
33.1 dB
26 dB
Required AC Mains 50/60 Hz, 100-250 VAC (+10%, -15%) 50/60 Hz, 100-250 VAC (+10%, -15%)
Cooling Convection cooling Convection cooling
Dimensions
Width
Height
Depth
EIA Standard 19-inch (48.3 cm) rack mount (EIA RS-310-B)
3.5 inches (8.9 cm
16 inches (40.6 cm)
EIA Standard 19-inch (48.3 cm) rack mount (EIA RS-310-B)
3.5 inches (8.9 cm
16 inches (40.6 cm)
Weight
Net Weight
Shipping Weight
32 pounds (14.6 kg)
38 pounds (17.2 kg)
38 pounds (17.3 kg)
44 pounds (20.0 kg)
7 Specifications