Обзор ресивера OPTONICA SA-5201
За все время увлечения звуком в моих руках побывали десятки ресиверов. Одни уходят так и ничем себя не отметив, другие сразу сразят тебя необычайно ярким и вычурным дизайном. Ии ты...
Full Name: TECHNICS SA-700 FM/AM Stereo Receiver
Manufactured: 1978-1979, Japan
We have a very nice Technics receiver prepared for sale. This is a jumbo receiver, one of the highest models in the very successful Technics SA series. Why we like it:
- Pure Power of 100watts per channel!
- LED power level indicators with 12 LEDs per channel
- All the bass in the world! Seriously!
- Tone controls, including Mid Range
- Advanced Acoustic Control including Boost Controls
- This receiver can be used as pre-amp or power amp
- Steady FM reception
Demo Video of the Technics SA-700 Stereo Receiver
Technical Specifications
AMPLIFIER SECTION
1 kHz continuous power output:
both channels driven 2x120W (4 ohms), 2x 110W (8 ohms)
40 Hz ~ 16 kHz continuous power output
both channels driven 2x110W (4 ohms), 2x 100W (8 ohms)
20 Hz ~20 kHz continuous power output
both channels driven 2x110W (4 ohms), 2x 100W (8 ohms)
Power bandwidth
both channels driven at 40 10 Hz ~40 kHz (-3 dB]
Total harmonic distortion
rated power at 1 kHz: 0.04% (4 ohms, 8 ohms)
rated power at 40 Hz ~16kHz: 0.04% (4 ohms, 8 ohms)
rated power et 20 H: ~20 kHz: 0.04% (4 ohms, 8 ohms)
half power It 20 Hz ~20 kHz: 0.025% (4 ohms), 0.015% (8 ohms)
half power at 1 kHz: 0.005% (4 ohms, 8 ohms)
-26 dB power It 1 kHz: 0.04% (4 ohms)
50 mw power at I kHz: 0.2% (4 ohms)
lntermodulation distortion
rated power at 250 Hz: 8 kHz = 4: 1, (4 ohms) – 0.04%
rated power at 60 Hz: 7 kHz = 4:1, SMPTE, (8 ohms) – 0.04%
Damping factor: 25 (4 ohms), 50 (8 ohms)
Input sensitivity and impedance
PHONO: 2.5 mV/47 kOhms
AUX: 150 mV/47 kOhms
PLAYBACK (TAPE 1). REC/PLAY input: 180 mV/47 kOhms
PLAYBACK (TAPE 2): 150 mV/47 kOhms
MAIN IN: 1 V/100 kOhms
PHONO maximum input voltage (1 kHz, RMS): 200 mV
Signal/Noise
rated power at 4 ohms PHONO 75 dB (IHF, A: 83 dB), AUX 88 dB (IHF, A: 95 dB)
-26 dB poorer at 4 ohms: PHONO 65 dB, AUX: 70 dB
50 mw power at 4 ohms: PHONO 55 dB, AUX: 55 dB
Frequency response
PHONO RIAA standard curve: 30 H2 ~ 15 kHz, +/- o.2 dB
AUX 20 HZ~20 kHz, +0 08. -O.3 dB, 10 Hz ~40 kHz, -1dB
Tone controls
BASS 50 Hz, +12 dB ~-12 dB
TREBLE 20 kHz, +12 dB ~-12 dB
MIDDLE 1 kHz, +7 dB ~-7 US
Law boost at tone controls “0” position: 100 Hz, +6 dB
High boost at tone controls “0” position: 10 kHz, +6 dB
Low filter: 100 Hz, -6 dB/oct.
High filter: 7 kHz, -6 dB/oct.
Loudness control (volume at -30 dB): 50 Hz, +9 dB
Output voltage and impedance
PRE OUT: 1V/4.7 kOhms
REC OUT ITAPE 1,2): 150 mV
REC/PLAY output 30 mV/8O kOhms
Channel balance (250 Hz ~ 6300 Hz), AUX: +/- 1.0 dB
Channel separation at 1 kHz, AUX: 63 db
Headphones output level and impedance: 500 mV/330 ohms
Load impedance
MAIN or REMOTE 4~16 ohms
MAIN + REMOTE 8~16ohms
FM TUNER SECTION
Frequency range: 88 ~108 MHz
Antenna terminals 300 ohms (balanced), 75 ohms (unbalanced)
Sensitivity (+/- 40 kHz deviation)
S/N 3o dB: 1.8 mV (300 ohms), 1.3 mV (75 ohms)
S/N 26 dB: 1.6 mV (300 ohms), 1.2 mV (75 ohms)
S/N 20 dB: 1.5 mV (300 ohms), 0.9 mV (75 ohms)
IHF usable sensitivity: 1.8 mV (IHF ’58)
IHF S/N 46 dB stereo quieting sensitivity: 18 mV (75 ohms)
Total harmonic distortion
MONO: 0.1%
STEREO: 0.2%
S/N (+/- 40 kHz deviation)
MONO: 60 dB (IHF: 77 dB)
STEREO: 58 dB (IHF: 73 dB)
Frequency response
20 Hz~ 15 kHz, +0.2 dB, -0.8 dB
Alternate channel selectivity: 80 dB
Capture ratio: 1.0 dB
Image rejection at 98 MHz: 85 dB
IF rejection at 98 MHz: 100 dB
Spurious response rejection at 98 MHz: 100 dB
AM suppression: 60 dB
Stereo separation: 1 kHz – 45 dB, 10 kHz – 35 dB
Leak carrier
19 kHz -60 dB (-65 dB, IHF)
38 kHz -65 dB (-70 dB, IHF)
Limiting point 1.2 mV
Bandwidth
IF amplifier: 180 kHz
FM demodulator: 1000 kHz
Channel balance (250 Hz ~ 6300 Hz): +/- 1.5 dB
AM TUNER SECTION
Frequency range: 525 ~ 1605 kHz
Sensitivity (S/N 20 dB): 30 mV, 250 mV/m
Selectivity: 35 dB
Image rejection at 1000 kHz: 50 dB
IF rejection at 1000 kHz: 45 dB
GENERAL
Power consumption: 850 W
Power supply (50 /60 Hz): 11oV/12oV/22oV/24oV
Dimensions (W x H x D) 510 x 160 x 390 mm
Weight 16.1 kg (35.5 lb.)
I’ve sold it for 500 USD, take a look here:
http://revintages.com/shop/technics-sa-700-stereo-receiver/
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