Yorkville Sound AP4020 Manuel D’Utilisation
5
Specifications
Amplifier class
AP4020: H
AP4040: H
Coninuous Average Power @ 8 ohms BCD (Watts)
AP4020: 475 (x2)
AP4040: 750 (x2)
Coninuous Average Power @ 4 ohms BCD (Watts)
AP4020: 750 (x2)
AP4040: 1200 (x2)
Coninuous Average Power @ 2 ohms BCD (Watts)
AP4020: 1200 (x2)
AP4040: NA
Continuous Average Power Bridged BCD (Watts)
AP4020: 2400 @ 4 ohms
AP4040: 2400 @ 8 ohms
Burst Average Power @ 8 ohms BCD (Watts)
AP4020: 625 (x2)
AP4040: 1200 (x2)
Burst Average Power @ 4 ohms BCD (Watts)
AP4020: 1200 (x2)
AP4040: 2175 (x2)
Burst Average Power @ 2 ohms BCD (Watts)
AP4020: 2175 (x2)
AP4040: NA
Burst Average Power Bridged BCD (Watts)
AP4020: 4350 @ 4 ohms
AP4040: 4350 @ 8 ohms
Frequency Response (Hz, +/- 1dB)
AP4020: 20-20,000
AP4040: 20-20,000
Hum and Noise (un / Aweighted -dB)
AP4020: -103 / -106
AP4040: -103 / -106
THD -1kHz- 4 ohms
AP4020: 0.0001
AP4040: 0.0001
THD - 20Hz-20kHz, 4 ohms
AP4020: less than 0.1%
AP4040: less than 0.1%
Slew Rate (V/uS)
AP4020: 25
AP4040: 25
Slew Rate Bridged (V/uS)
AP4020: 50
AP4040: 50
Damping Factor (30 Hz - 400 Hz @ 8 ohms)
AP4020: 600
AP4040: 600
Crosstalk (1kHz / 20Hz-20kHz)
AP4020: -75 / -60 dB
AP4040: -75 / -60 dB
Input Impedance - Bal/Unbal (ohms)
AP4020: 20,000/10,000
AP4040: 20,000/10,000
Input Sensitivity (Vrms) For Full Power Out
AP4020: 1.4 V
AP4040: 1.4 V
Max Voltage Gain (dB)
AP4020: 41
AP4040: 36
CMRR @ 60Hz (min/typ)
AP4020: 48/56 dB
AP4040: 48/56 dB
Stereo / Mono / Bridge (S/M/B)
AP4020: S/M/B
AP4040: S/M/B
Protection
AP4020: DC,Load,Thermal
AP4040: DC,Load,Thermal
Limiter
AP4020: Peak
AP4040: Peak
High Pass Filter
AP4020: 40Hz, 12dB Octave
AP4040: 40Hz, 12dB Octave
Cooling
AP4020: Internal Fan
AP4040: Internal Fan
Cooling Path
AP4020: Front to Rear
AP4040: Front to Rear
Fan Filter
AP4020: User Serviceable
AP4040: User Serviceable
Inputs - XLR
AP4020: 2
AP4040: 2
Inputs - 1/4-inch Jacks
AP4020: 2
AP4040: 2
Outputs - Speakon 4-pin
AP4020: 2
AP4040: 2
Outputs - Binding Post
AP4020: 2
AP4040: 2
Power Consumption (typ/max)
AP4020: 1130/1800 Watts
AP4040: 1130/1800 Watts
Rack Spaces
AP4020: 2
AP4040: 2
Transformer Type
AP4020: Toroidal
AP4040: Toroidal
Exterior Finish
AP4020: Baked, Black Painted
AP4040: Baked, Black Painted
Dimensions (DWH /D fm ears, inches)
AP4020: 19 x 17.3 x 3.5 x 16.2
AP4040: 19 x 17.3 x 3.5 x 16.2
Dimensions (DWH /D fm ears, cm)
AP4020: 48.3 x 43.9 x 8.9 x 41
AP4040: 48.3 x 43.9 x 8.9 x 41
Weight (lbs / kg)
AP4020: 40.5 / 18.4
AP4040: 43.5 / 19.8