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YAMAHA NATURAL SOUND SERIES
FM/AM STEREO RECEIVER
FEATURES: High output power, wide NDCR.
Wide range output meters, multifunction FM meters.
Ultra low distortion FM section with NFB-PLL-MPX and OTS.
Completely independent reording and audition.
Audio Muting, FM Muting, FM Blend
Speaker Selection (A,B,C, A+B, A+C), 2 Phones.
LED Indicators of Major Receiver Functions
Mode Switch (Stereo/Mono/L/R/Rev).
Semiconductors: 109 Transistors; 4 IC´s, 3 FET´s, 58 Diodes,
7 Zener Diodes, 5 LED´s, 4 Ceramic Filters.
Power Supplies: AC 120 V, 60 Hz (USA/CA); AC 240 V, 50 Hz (AU)
Other Areas: AC 110/120/130/220/230/240 V (switchable), 50/60 Hz
Specifications: Yamaha Folder
Photos: (1-3) Yamaha Folder
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Specifications:
| | | 1. General | | System: | Transistor Stereo Receiver |
| Colour: 1=Silver, 2=Black: | 1/Woodcase |
| Power consumption: | 320
AU 520 W @ 120/240 V |
| | | Pre Amplifier | | Inputs: | Phono MM I+II; AUX; Tape I+II |
| Quadro: | no |
| Inp. Sensitivity High Level: | 120 mV |
| Inp. Impedance High Level: | 40 kΩ |
| Frequency Response High Level: | 10-100,000 (±2.5 dB) HZ |
| Signal/Noise High Level: | 100 db |
| Inp. Sensitivity Phono MM: | 2 (max 230) mV |
| Inp. Impedance Phono MM: | 47 kΩ |
| Inp. Sensitivity Phono 2: | 2 (max 230) mV |
| Inp. Impedance Phono 2: | 47 kΩ |
| Frequency Response Phono MM: | RIAA (±0.2 dB) |
| Signal/Noise Phono MM: | 95 db |
| Outputs: | REC OUT (RCA); DIN |
| Harmonic Distortion: | MONO 0.08 %
STEREO 0.1 % at rated output |
| Output Voltage Rec Out: | 120 (Rec Out Phono, 15 V, max 1kHz)
30 (DIN Out, max 19 mV) mV |
| Impedance Pre Out: | 0.75 (max 5 V) kΩ |
| Output Voltage Pre Out: | 775 (max 5 V) mV |
| Impedance Rec Out: | 0.5 (Rec Out-Phono, 15 V, max 1 kHz)
52 (DIN Out, max 19 mV) kΩ |
| | | Equalizer | | Tone Controls: | Bass; Presence; Treble |
| Frequencies: | Bass ±15 dB/50 Hz (Turnover 350 Hz)
Presence ±6 dB/3 kHz
Treble ±10 dB/20 kHz (Turnover 3.5 kHz) |
| Filters: | LOW (12 dB/oct) 15 Hz/ 70 Hz
HIGH (12 dB/oct) 8 kHz/ 12 kHz |
| Loudness: | Level-related equalization |
| | | Power Amplifier | | Speaker Outputs: | 3 x 2 Speakers; 2 Phones |
| Continuous Power 4Ω: | 100 + 100 (DIN, 1 kHz, both channel driven) Watts |
| Continuous power 8Ω: | 80 + 80 (DIN, 1 kHz, both channel driven)
70 + 70 (IHF, 20-20,000 Hz, both channels driven) Watts |
| Frequency Response: | 10-100,000 (±2.5 dB) HZ |
| Input Sensitivity: | 775 mV |
| Input Impedance: | 100 kΩ |
| Signal to Noise Ratio: | 112 db A, short circuited |
| Damping factor: | 40 (1 kHz, 8Ω) |
| Harmonic Distortion: | 0.05 % at rated output |
| | | Tuner | | Display: | analog |
| Frequency Range FM: | 88-108 MHz |
| Frequency Range AM: | 525-1,605 KHz |
| Station Preset: | 0 |
| Signal Strength Meter: | 1 analog : 0=NO, 1=YES |
| Center Tuning Meter: | 1 analog : 0=NO, 1=YES |
| Instrument Multipath: | 1 analog : 0=NO, 1=YES |
| Inp. Sensitivity Mono: | DIN (40 kHz S/N 46 db) 1.3 μV |
| Inp. Sensitivity Stereo: | IHF (10.3 dBf, 300Ω) 1.8 μV
IHF (10.3 dBf, 75Ω) 0.9 μV
DIN (40 kHz S/N 26 db) 40 μV |
| Frequency Response: | 10-18,000 (+0.5/-3 dB) HZ |
| Harmonic Distortion: | 0.015 % at rated output |
| Separation: > | IHF 80 db
DIN 60 db |
| Signal/Noise Mono: | 77 db |
| Signal/Noise Stereo: | 73 db |
| Crosstalk: | 50 db |
| Pilot Signal Rejection: | 60 db |
| IF Rejection: > | 90 db |
| | | 2. Physical | | Dimensions in Inches: | 21-1/4 x 6-5/8 x 16-3/8 (w) x (h) x (d) |
| Dimensions in mm: | 540 x 167 x 415 (w) x (h) x (d) |
| Weight in lbs: | 41.6 lbs |
| Weight in Kg: | 18.8 Kg |
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