A-50 General Specifications

North America and Japan models                                              

■Amplifier Section

   Power Output

(North America models)

• With 8 ohm loads, both channels driven, from 20 Hz20 kHz; rated 110 watts per channel minimum RMS power, with no more than 0.08% total harmonic distortion from 250 milliwatts to rated output. (FTC) (Japan models)

・2 ch × 180 W at 4 ohms, 1 kHz, 2 ch driven of 0.7% THD

(Japan models) 

・2 ch × 110 W at 8 ohms, 20-20kHz, 2 ch driven of 0.07% THD ・2 ch × 180 W at 4 ohms, 1 kHz, 2 ch driven of 0.7% THD

THD+N (Total Harmonic Distortion + Noise) 

・0.08% (20 Hz - 20,000 Hz, half power) 

Input Sensitivity and Impedance 

・200 mV/32 kΩ (LINE(RCA)) 

・4 mV,47 kΩ/0.4 mV,110Ω (PHONO MM/MC) 

Rated RCA Output Level and Impedance 

・1 V/470 Ω (PRE OUT(RCA)) 

Phono Maximum Input Signal Voltage 

・70 mV (MM 1 kHz 0.5%) 

・7 mV (MC 1 kHz 0.5%) 

Frequency Response 

・10 Hz - 100 kHz/+1 dB, –3 dB (Direct) 

Tone Control Characteristics 

・±10 dB, 20 Hz (Bass), ±10 dB, 20 kHz (Treble) 

Signal to Noise Ratio 

・104 dB (IHF-A, LINE IN, SP OUT) 

・74 dB (IHF-A, PHONO MM 5mV IN, SP OUT) 

・58 dB (IHF-A, PHONO MC 0.5mV IN, SP OUT) 

Supported impedance of Speakers 

・4 Ω - 16 Ω 

Headphone Rated Output 

・75 mW + 75 mW (32 Ω, 1 kHz, 10% THD) 

Supported impedance of Headphones 

・8 Ω - 600 Ω Headphones Frequency Response 

・10 Hz - 100 kHz 

Input terminals Analog 

・4 (Including PHONO×1) 

Digital 

・ 2 (COAXIAL×1, OPTICAL×1) 

*Supported sampling rates for PCM signals (stereo, mono) from a digital input are 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz/16 bit, 20 bit, and 24 bit.

Output terminal

 Analog ・1 (PRE OUT L/R) ・PHONES jack Digital ・1 (HDMI (ARC))

 Other terminals 

・Speaker terminal 

・USB port 

・GND terminal 

・SETUP MIC jack

■ General 

・ Power Supply 

     AC 120 V, 60 Hz (North America model) 

     AC 100V, 50/60 Hz (Japan model) 

・ Power Consumption 

     350 W (North America model) 

     275 W (Japan model) 

・ Network Standby (wired)

     1.7 W (North America model)  

     1.7 W (Japan model) 

・ Network Standby (wireless) 

     1.7 W (North America model) 

     1.6 W (Japan model) 

・ Bluetooth Wakeup 

     1.8 W (North America model) 

     1.7 W (Japan model) 

・ HDMI CEC Standby 

     0.1 W (North America model) 

     0.1 W (Japan model) 

・ HDMI CEC Standby 

     0.1 W (North America model) 

     0. 1 W (Japan model) 

     - Standby mode (ALL ON) 

        1.8 W (North America model) 

        1.7 W (Japan model) 

・ Dimensions (W × H × D) 

     435 mm × 135 mm × 355 mm 

     17-1/8" × 5-5/16" × 14" 

・ Weight 10.6 kg (23.4 lbs.)

Asia and Oceania models                                                              

■Amplifier Section Power Output 

・2 ch × 110 W at 8 ohms, 20-20kHz, 2 ch driven of 0.07% THD 

・2 ch × 180 W at 4 ohms, 1 kHz, 2 ch driven of 0.7% THD THD+N (Total Harmonic Distortion + Noise) 

・0.08% (20 Hz - 20,000 Hz, Half power) 

Input Sensitivity and Impedance 

・200 mV/32 kΩ (LINE(RCA)) 

・4 mV,47 kΩ/0.4 mV,110Ω (PHONO MM/MC) 

Rated RCA Output Level and Impedance 

・1 V/470 Ω (PRE OUT(RCA)) 

Phono Maximum Input Signal Voltage 

・70 mV (MM 1 kHz 0.5%) 

・7 mV (MC 1 kHz 0.5%) 

Frequency Response 

・10 Hz - 100 kHz/+1 dB, –3 dB (Direct) 

Tone Control Characteristics 

・±10 dB, 20 Hz (Bass), ±10 dB, 20 kHz (Treble) 

Signal to Noise Ratio 

・104 dB (IHF-A, LINE IN, SP OUT) ・74 dB (IHF-A, PHONO MM 5mV IN, SP OUT) 

・58 dB (IHF-A, PHONO MC 0.5mV IN, SP OUT) 

Supported impedance of Speakers 

・4 Ω - 16 Ω Headphone Rated Output 

・75 mW + 75 mW (32 Ω, 1 kHz, 10% THD) 

Supported impedance of Headphones 

・8 Ω - 600 Ω Headphones 

Frequency Response 

・10 Hz - 100 kHz Input terminals 

Analog 

・4 (Including PHONO×1) Digital 

・ 2 (COAXIAL×1, OPTICAL×1)

 *Supported sampling rates for PCM signals (stereo, mono) from a digital input are 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz/16 bit, 20 bit, and 24 bit. Output terminal Analog 

・1 (PRE OUT L/R) 

・PHONES jack 

Digital 

・1 (HDMI (ARC)) 

Other terminals 

・Speaker terminal 

・USB port 

・GND terminal 

・SETUP MIC jack

■General 

・ Power Supply AC 220-240 V, 50/60 Hz 

・ Power Consumption 350 W 

・ Network Standby (wired) 1.8 W 

・ Network Standby (wireless) 1.7 W 

・ Bluetooth Wakeup 1.9 W 

・ HDMI CEC Standby 0.2 W - Standby mode (ALL ON) 1.8 W 

・ Dimensions (W × H × D) 

    435 mm × 135 mm × 355 mm 

    17-1/8" × 5-5/16" × 14" 

・ Weight 10.6 kg (23.4 lbs.)