Yamaha A-420
Revision as of 05:28, 15 February 2015 by Analoghatwas (talk | contribs)
Data[edit]
General
- Manufacturer: Yamaha
- Model: A-420
- Year of manufacture: 1985 - 1986
- Made in: Japan
- Type: Integrated amplifier
- Remote control: No
- Power consumption: 290 W
- Dimensions: 435 x 112 x 327 mm (W x H x D)
- Weight: 6.2 kg
- Color: silver or black
- Original price approx.: 500,- DM
Connections
- Number of inputs:
- Phono MM/MC, Tuner, Tape, Aux, CD
- Number of outputs:
- 2x speaker, Rec-Out, Headphone
Technical Data
- Continuous power (at distortion factor)
- 8 Ohm: 2x 50 Watt (0,015 %)
- 4 Ohm: 2x 70 Watt (1 %)
- Dynamic power
- 8 Ohm: 85 W
4 Ohm: 115 W
- Total harmonic distortion: 0.007 %
- Attenuation factor: 50 (1 kHz, 8 Ohm)
- Input (Sensitivity/Impedance)
- Phono MC: 160 µV/100 Ohm
- Phono MM: 2.5 mV/47 kOhm
- Aux/Tape/Tuner: 21 mV
- Output (level/impedance)
- Rec Out (tape recording): 150 mV/600 Ohm
- Headphones: 0.7 V/8 ohms (output impedance: 220 ohms).
- Frequency response:
- Aux/Tape/Tuner: 20 - 20,000 Hz +0/-0.5 dB
- Main In: 20 - 20,000 Hz +0/-0.5 dB
- Tone control:
- Bass: Yes, ± 10 dB (20 Hz).
- Treble: Yes, ± 10 dB (20 kHz)
- Loudness: Adjustable
- Subsonic: No
- Mute: No
- Direct/Line-Straight: No
- Ripple (shorted):
- Stereo Channel Separation:
- Phono MM/Aux/Tape (crosstalk attenuation): 80 dB (40 Hz); 60 dB (1 kHz); 40 dB (10 kHz).
- Signal-to-noise ratio:
Special Features
Remarks[edit]
Other models in the same series:
Previous model:
Successor model:
Pictures[edit]
Reviews[edit]
- Stereoplay 6/1986, p. 33
- Stiftung Warentest (for hifi circles perhaps a little strange) at the time: quality rating "good".