YORKVILLE ap4020 ys4020, Owner'S Manual

Page: 7 / 14

5
Frequency Response: +/- 1dB, 20 Hz to 20 KHz
Hum and Noise: -103 dB below max output RMS voltage, unweighted
THD (1 khz, 4–Ohms): <0.01%
THD(20Hz – 20kHz, 4–Ohms): <0.1%
High Pass Filter: 40Hz, 12 dB/octave
Slew Rate: Power amp section: 25 V/uS, 50 V/uS in bridged mode
Damping Factor: > 600, 20 Hz - 400 Hz, into 8 ohms.
Crosstalk: -75 dB below full output at 1khz, -60 dB below full output
(20 Hz - 20 KHz).
Input Impedance: 20 Kohms balanced, 10 Kohms unbalanced
Input Sensitivity: 1.4 VRMS sine wave.
(AP4020: 36 dB, AP4040: 39 dB gain).
Rejection: CMRR@60Hz: minimum 48dB, typical 56dB
Controls: Rotary GAIN controls, MONO/STEREO/BRIDGE, FILTER,
and LIMITER switches.
Displays: 2x CLIP, 2x ACTIVITY, PROTECT, POWER ON. (LEDS)
Input Connectors: 2 x XLR, 2 x 1/4 inch phone (TRS)
Output Connectors: 2 x Binding Post, 3 x Speakon™ SP-4
Turn On/Off transients: < 15 milliwatt / seconds, 0.5 Wpk. (1s on delay)
Power Consumption: Typ 1130, Max 1800 Watts
Transformer: Toroidal
Protection: Fully protected: DC, LOAD and THERMAL
Cooling: Aluminum Heatsinks with DC servo–controlled fan (in front, out rear)
Size: 44 cm x 48 cm x 9 cm (DWH)
17.5 in x 19 in x 3.5 in (DWH) (front panel to binding posts)
2 Rack Spaces
Weight: 43.5 pounds. 19.8 Kilograms
SPECIFICATIONS