Amplificator Akai AS 1070 Quadro Amplifier: 5 intrari, 8 iesiri, 8-16 ohmi, 350W consum, made in Japan, carcasa lemn, radio cu scala iluminata, power filter, low/high, loudness, reglaje bass, inalte, balance, vu metre, tuning, poze reale, scrisul pe anumite locuri este sters pe panoul frontal.

General

Manufacturer: Akai
Model: AS-1070
Type: Quadraphonic Receiver

Years of manufacture: 1975 - 1977
Made in: Japan
Color: silver, wooden case walnut
Remote control: yes, wired remote control
Power consumption:
Dimensions: 520 x 182 x 409 mm (WxHxD).
Weight: 17,6 kg
Original price approx.: 1'450 DM

Connections:

Number of inputs:
Phono 1: 3 mV, 47 kOhm, max. 130 mV
Phono 2: 3 mV, 47 kOhm
AUX: 160 mV, 47 kOhm
Tape Play 1, 2: 160 mV, 47 kOhm
Coaxial FM antenna connection (75 Ohm) AM antenna connection (300 Ohm)

Number of outputs:
Tape Rec 1, 2: 150 mV
4 x loudspeaker pairs: 2 x front, 2 x rear

2 x headphone output front + rear: 6.3 mm jack each

Technical data:

Amplifier:

Continuous power: Quadrophonic
8 Ohm: 4 x 25 W (20 Hz - 20 kHz, 0.3 %)

4 Ohm:
Continuous power: Stereo
8 Ohm: 2 x 50 W (20 Hz - 20 kHz, 0.3 %)
4 Ohm:
Music power: Quadrophonic
8 Ohm:
4 Ohm:
Total harmonic distortion: 0,2 % bei Nennleistung
Dämpfungsfaktor: 50 bei 8 Ohm, 1 kHz
Frequenzgang (IHF): 10 Hz - 60'000 Hz
Phono RIAA: 20 Hz - 20 kHz (8 Ohm), ± 1 dB
Hochpegel: 10 - 60'000 Hz ± 3 dB
Signalrauschabstand:
Phono: >80 dB
Line: > 90 dB
Tone control:
Bass: ± 10 dB at 100 Hz
Treble: ± 10 dB at 10 kHz

Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz
Low Filter (Subsonic): - 10 dB at 50 Hz (6 dB / octave)
High Filter: - 6 dB at 10 kHz (6 dB / octave)
Muting: - 20 dB

CD-4 Demodulator section:

Input sensitivity: 1.5 mV
Input impedance: 4.7 kOhm
Distortion factor: 0,07
Signal-to-noise ratio: > 70 dB
Channel separation at 1 kHz:
Left to right: 50 dB
front to rear: 30 dB

Frequency range: 20 - 15'000 Hz

Tuner:

Reception: FM, AM
Frequencies:
FM: 87.5 - 108 MHz
MW: 525 - 1605 kHz
Input sensitivity:
FM: 1.9 µV
MW: 5 µV
Frequency response: 20 - 15'000 Hz
Distortion factor FM: Stereo 0.4 %, Mono 0,2 %
Signalrauschabstand:
UKW: 70 dB
AM: 50 dB
Stereo-Kanaltrennung: >40 dB at 1 kHz
Selectivity:
FM: 70 dB
MW: 30 dB

Co-wave selection: 1.0 dB
Spurious wave selection: > 70 dB
Image frequency attenuation:
FM: > 65 dB
MW: > 55 dB IF attenuation:

FM: > 80 dB
MW: > 45 dB
AM suppression: 50 dB