Здравейте продавам един много добре свирещ усилвател с тунер много чувствителен и с добро качество. Усилвателят е тунингован с защита на тонколоните защото оригинално в схемата не е сложна защита. Характеристиките може да погледнете в интернет.
General
Manufacturer:
Technics
Model: SA-300 / SA-300K (also available as SA-300 L with long wave, + 100 DM)
Years of manufacture: 1978 - 1979
Made in: Japan
Color: Silver (SA-300), Brown (SA-300K)
Remote control: no
Power consumption: 410 W
Dimensions: 430 x 142 x 300 mm (WxHxD)
Weight: 7,7 kg
Original price approx.: 700 DM
Connections
Number of inputs:
Phono: 2.5 mV / 47 kOhm
Aux: 150 mV / 33 kOhm
Tape 1: 180 mV / 39 kOhm
Tape 2: 150 mV / 33 kOhm
Antenna FM (75/300 Ohm), AM
Number of outputs:
Tape 1: 150 mV
Tape 2: 30 mV
Headphones (6.3 mm jack, front)
2 pairs of loudspeakers
Technical Data
Amplifier
Continuous power (1 kHz / 20-20,000 Hz)
8 Ohm: 2x 38 W / 2x 35 W 4 Ohm: 2x 40 W / 2x 38 W
Dynamic power
8 Ohm:
4 Ohm:
Total harmonic distortion: 0.04% (8 ohms, rated power, 20-20,000 Hz).
Attenuation factor:
Frequency Response:
Phono: RIAA ±0.5 dB
Aux: 20 - 20,000 Hz (±0.5 dB) Signal-to-noise ratio: (IHF-A)
Phono: 78 dB
Aux: 95 dB
Stereo Channel Separation:
Tone control:
Bass: 50 Hz, ±10 dB
Treble: 10 kHz, ±10 dB
Loudness: yes
High Filter: yes
Low Filter (Subsonic): yes
Mute: no
Tuner
Reception: FM/MW
Frequencies:
FM: 88 - 108 MHz
MW: 530 - 1605 KHz
Input sensitivity:
FM: 1.9 µV
MW: 300 µV
Frequency response: 20 - 18,000 Hz (+ 1 dB, - 2 dB)
Distortion factor:
FM: 0.3% (stereo)
Signal-to-noise ratio:
FM: 58 dB (stereo), 70 dB (IHF-A).
Channel separation:
FM: 45 dB
Selectivity:
FM: 70 dB
MW: 30 dB
Equal wave selection:
FM: 1.2 dB
Spurious wave selection:
Image frequency attenuation:
FM: 70 dB
IF attenuation:
VHF: 90 dB
AM suppression: 55 dB
Special Features
Wooden housing
FM muting