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The Yorkville Sound AP4K 2x 1800w per channel Amplifier capable of delivering 1800 watts per channel into either a 2 or 4 ohm load, Yorkville Sound's new AudioPro AP4K uses proven Class-H technology and advanced protection circuitry to provide unmatched long term reliability in the field.

Product Specification:  

Amplifier class: Class-H

Continuous Average Power @ 8 Ohms BCD (Watts): 600 (x2)(2ohm mode)/1000 (x2)(4ohm mode)

Continuous Average Power @ 4 Ohms BCD (Watts): 1000 (x2)(2ohm mode)/1800 (x2)(4ohm mode)

Continuous Average Power @ 2 Ohms BCD (Watts): 1800 (x2) (2ohm mode)/ NA in 4ohm mode

Continuous Average Power Bridged BCD (Watts): 3600 @ 4 ohms /3600 @ 8 ohms

Burst Average Power @ 8 Ohms BCD(Watts): 1000 (x2)(2ohm mode)/1800 (x2)(4ohm mode)

Burst Average Power @ 4 Ohms BCD (Watts): 1800 (x2)(2ohm mode)/3500 (x2)(4ohm mode)

Burst Average Power @ 2 Ohms BCD (Watts): 2500 (x2)(2ohm mode)/ NA

Burst Average Power Bridged BCD (Watts): 5000 @ 4 ohms / 7000 @ 8 ohms

Frequency Response (Hz, +/- 1dB): 20-20,000

Hum and Noise (un / Aweighted -dB) -100/ -115

THD -1kHz- 4 OHMS: 0.01

THD - 20Hz-20kHz, 4 Ohms: less than 0.1%

Slew Rate (V/uS): 25

Slew Rate Bridged (V/uS): 50

Damping Factor (30 Hz - 400 Hz @ 8 Ohms): 600

Crosstalk (1kHz / 20Hz-20kHz): -75 / -60 dB

Input Impedance - Bal/Unbal (Ohms) 10,000/5,000

Input Sensitivity (Vrms) For Full Power Out: 1.0V (2ohm mode) / 1.4V(4ohm mode)

Max Voltage Gain (dB): 36

CMRR @ 60Hz (min/typ): 48/56 dB

Stereo / Bridge (S/B): S/B

Protection: DC, Load, Thermal

Limiter: Peak

High Pass Filter: 50Hz, 18dB Octave

Cooling: Internal Fans

Cooling Path: Front to Rear

Inputs – XLR: 2

Inputs - 1/4" Jacks: 4

Outputs - Speakon 4-pin: 2

Outputs - Binding Post: 2

Power Consumption (typ/max): 1130/1800 Watts

Rack Spaces: 2

Transformer Type: Toroidal

Exterior Finish: Baked, Black Painted

Dimensions (DWH /D fm ears, inches): 16.5 x 17.3 x 3.5 x 14.9

Dimensions (DWH /D fm ears, cm): 41.5 x 43.9 x 8.9 x 37.85

Weight (lbs / kg): 41 / 18.5