Harman Kardon AVR 645

Audio

• Stereo mode average continuous power (FTC) per channel: 90 W (20 Hz - 20 kHz, at < 0.07% THD, 2 channels driven into 8 ohms)
• 6-channel surround modes, Power per channel:
• Front Left and Right channels: 75 W (< 0.07% THD, 20 Hz - 20 kHz into 8 ohms)
• Center Channel: 75 W (< 0.07% THD, 20 Hz - 20 kHz into 8 ohms)
• Surround channels (L & R side, rear): 75 W (< 0.07% THD, 20 Hz - 20 kHz into 8 ohms)
• Input sensitivity/linear impedance (high level): 200 mV / 47 kohms
• Signal-to-noise ratio (IHF-A): 100 dB
• Adjacent channel separation in surround mode: Dolby Pro Logic I and II: 40 dB Dolby Digital: 55 dB DTS (Digital Theater System): 55 dB
• Frequency response at 1 W (0 dB, - 3 dB): 10 Hz - 130 kHz
• High frequency instantaneous current capability: ± 50 A
• Slew rate: 40 V/µsec

Video

• Video format: PAL/NTSC
• Input level/Impedance: 1 Vp-p / 75 ohms
• Output level/Impedance: 1 Vp-p / 75 ohms
• Video frequency response:
• Composite and S-Video: 10 Hz - 8 MHz (-3 dB)
• Component Video: 10 Hz - 100 MHz (-3 dB)

Connectivity

Rear

• Composite video input 4
• S-video input 4
• Component video input 3
• HDMI video input 2
• Analog audio input 6
• Digital audio input 3 Optical / 3 Coaxial
• 7.1 multichannel audio input
• iPod input 1
• Composite video output 2
• S-video output 2
• Component video output 1
• HDMI output 1
• Analog audio output 1
• Digital audio output 1 Optical / 1 Coaxial
• Subwoofer output 1

Front

• Headphone jack 1 - 6.35 mm
• Composite video input 1
• S-video input 1
• Analog audio input 1

Tuner

FM

• Frequency range: 87.5 - 108.0 MHz
• Operational sensitivity: IHF 1.3 µV / 13.2 dBf
• Signal-to-noise ratio: Mono 70 dB / stereo 68 dB
• Distortion: Mono 0.2% / stereo 0.3%
• Stereo separation: 40 dB at 1 kHz

AM

• Frequency range: 520 - 1720 kHz
• Signal-to-noise ratio: 45 dB
• Operational sensitivity: Loop 500 µV
• Distortion: 1 kHz, 50% Mod 0.8%
• Resolution: ± 10 kHz, 30 dB

General

• Dimensions (W x H x D) 165 x 440 x 435 mm
• Weight 23.6 Kg