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Yamaha A-1

Mono/ Stereo DC Amplifier. Additional Features: Pre-Pre Amplifier for MC-Studio Detector, DISC (Phono Primacy), Phono Catridge Load. Technical Specifications: Yamaha Service Manual.

Yamaha A-1
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Yamaha A-1
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Yamaha A-1
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1. General
System: IntegratedTransistor Amplifier
Colour: 1=Silver, 2=Black: 2
Power consumption: 400 W @ 120/240 V
Pre Amplifier
Inputs: Phono MM+MC; Phono Cartridge Load; Tuner; Tape; AUX; Monitor
Quadro: no
Inp. Sensitivity High Level: 200 mV
Inp. Impedance High Level: 47 kΩ
Frequency Response High Level: 20-20,000 (+0/-0.2 dB) HZ
Signal/Noise High Level: 112 db
Inp. Sensitivity Phono MM: 2.5 mV
Inp. Impedance Phono MM: 47 kΩ
Frequency Response Phono MM: RIAA (+0/-0.2 dB)
Signal/Noise Phono MM: 97 db
Inp. Sensitivity Phono MC: 0.06 mV
Inp. Impedance Phono MC: 0.01 kΩ
Signal/Noise Phono MC: 97 db
Harmonic Distortion: 0.005 (PhonoMM); 0.01 (Phono MC, Tuner) % at rated output
Output Voltage Rec Out: 200 mV
Impedance Pre Out: 0.6 kΩ
Output Voltage Pre Out: 2,000 mV
Impedance Rec Out: 0.6 kΩ
Tone Controls: Bass; Treble
Frequencies: ▒10 dB/20 Hz; ▒10 dB/20 kHz
Filters: Subsonic (TONE ON, -3 dB/10 kHz, 12 dB/oct.)
Loudness: no
Power Amplifier
Speaker Outputs: 1 x 2 Speakers; Phones
Continuous Power 4Ω: 90 + 90 (DIN) Watts
Continuous power 8Ω: 70 + 70 Watts
Frequency Response: 10-50,000 (+0/-0.2 dB) HZ
Signal to Noise Ratio: 85 (Phono MM); 70 (Phono MC); 112 / 105 (High Level, TONE off/on) db A, short circuited
Damping factor: >100
Harmonic Distortion: 0.02 % at rated output
2. Physical
Dimensions in Inches: 17.13 x 4.61 x 15 (w) x (h) x (d)
Dimensions in mm: 435 x 117 x 381 (w) x (h) x (d)
Weight in lbs: 34.8 lbs
Weight in Kg: 15.8 Kg

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