Pioneer SA-620

Стоимость на момент выпуска составляла 35,500 yen. Выпуск 1972 года. Это начальная модель в линейке. Но по мягкости звучания и басовитости не уступает старшим братьям. После тщательной профилактики (на фото). Видео работы прилагается.

https://youtu.be/01QgFMx3OsU

https://youtu.be/7uYHHV1p4tA

Характеристики из каталога:
Stereo Integrated Amplifier

Effective output

One-side-channel drive 1kHz:22W/22W (8ohm), 27W/27W (4ohm)

Both channel drive 20Hz-20kHz:15W+15W (8ohm), 15W+15W (4ohm)

1kHz: 18W+18W (8ohm), 22W+22W (4ohm)

THD At the time of an effective output: 0.5% or less

At the time of 1W output: 0.1% or less

Cross modulation distortion At the time of an effective output: 0.5% or less

At the time of 1W output: 0.1% or less

Output bandwidth 10Hz - 70kHz (IHF, both channel drive, 0.5% of distortion)

Frequency characteristic 15Hz-80000Hz+0 -1 dB

Input sensitivity/impedance Power Amp In: 500mV / 50kohm

Output-terminal Speaker:A, B, A+B (4ohm-16ohm)

Head Phone: 4ohms - 16ohm

Dumping factor (1kHz, 8ohm) 30 or more

S/N 90dB or more (IHF, short circuit A network)

Remains noise (8 ohm, pre + power amplifier) Below 1mV (0.13 microwatt)

Circuit system Equalizer amplifier: Two-step hardwired-connection NFB type

Control amplifier: NFB type

Input sensitivity/impedance Phono1, 2:2.5mV/50kohm

MIC: 7.5mV / 30kohm

Tuner, AUX1, 2, Tape Monitor1, 2 (DIN):150mV / 100kohm

Phono maximum permissible input (rms/P-P) 100mV/280mV

An Output voltage/impedance Tape Rec1, 2:150mV / 1.4kohm

2 (DIN):30mV of Tape Rec / 80kohm

Pre Out: 500mV / 4.7kohm

THD (20Hz - 20kHz) 0.2% or less

Frequency characteristic Phono(RIAA deflection): 30Hz-15kHz }0.5dB

Tuner, AUX, Tape Mon:15Hz-30kHz }1dB

Tone control Bass: }10.5dB (100Hz)

Treble: }10.5dB (10kHz)

A high filter 4kHz, 6dB / oct

Loudness contour (volume 40dB o'clock) + 10dB (100Hz), +6dB (10kHz)

SN ratio (IHF, short circuit)

A network Phono: 75dB or more

MIC: 80dB or more

Tuner, AUX, Tape Mon: 90dB or more

Muting -20dB

The semiconductor used Transistor: 28 pieces

Diode: 11 pieces

Supply voltage AC100V, 50Hz/60Hz

Power receptacle Power-switch interlock: One line

Power-switch un-interlocking.: Two lines

Power consumption Rate: 45W

Maxima: 110W

Dimensions Width 415x height 132x depth of 328mm

Weight 7.9kg