Philips - 70 FP 440 - Linear Tracking - Turntable
No. 18147775
Sony SQR 6650 4-channel receiver Extremely rare, 4 VU meters, for each channel
No. 18147775
Sony SQR 6650 4-channel receiver Extremely rare, 4 VU meters, for each channel
Beautiful and extremely rare Sony receiver with possibility of 4-channel rendering. The SQ circuit is built in.
This circuit turns a 2 channel signal into a 4 channel signal.
This super receiver also has, in addition to FM an MW reception, options for cassette deck, tape recorder and record player.
This receiver was prized for its sound quality where many receivers from this period could not match it.
Really very beautiful and very good sounding receiver for the lover of gorgeous vintage audio or a beautiful sound.
Pure quality! The front consists of 2 parts and are made of metal, not plastic. This translates to the fact that the edges are undamaged.
The lighting is great of course, and just look at the meters, of which 1 is slightly less bright, but that can probably be fixed.
Model 2ch/4ch receiver
Integrated Systems 4ch Receiver: SQ decoder and decoder system, including RM
Power amplifiers: quasi-complimentary SEPP OTL scheme
FM
Receiving frequency 76MHz ~ 90MHz
Antenna terminal 300Ω balanced
Intermediate frequency 10.7MHz
Sensitivity 2.2μV (IHF)
1.7μV (S / N: 30dB)
Image Rejection 55dB
IF Rejection 90dB
Spurious Rejection 78dB
AM suppression 55dB
Kyapuchareshio 1.5dB
Selectivity 70dB (IHF)
S / N 68 dB
Frequency 30Hz ~ 15kHz, +1-2dB
Distortion mono: 0.3% (400Hz, 100% modulation)
stereo: 0.8% (400Hz, 100% modulation)
Stereo separation 35dB (400Hz)
AM
Antenna terminal Built Ferit antenna bar
With external antenna terminal
Sensitivity 48dB / m (when using the antenna bar)
30μV (when using external antenna)
S / N 50dB
Distortion 0.8%
Amplifier
Output (0.8% harmonic distortion)
Dynamic power:
(IHF, law constant voltage supply)
4ch Speaker Output: 56W (8Ω)
96W (4Ω)
Hi-Power 2ch Speaker Output: Total 90W (8Ω
Effective output (1kHz):
4ch Speaker Output: 4ch Speaker Output: 8W +8 W +8 W +8 W (8Ω)
11W +11 W +11 W +11 W (4Ω)
Hi-Power 2ch Speaker Output: 25W +25 W (8Ω)
Characteristics of the output bandwidth (IHF) 10Hz ~ 40kHz
Output Level / Impedance Recording terminal Rec Out: 250mV/10kΩ
Recording connector Rec / PB: 30mV/82kΩ
Headphone Jack: 8Ω ~ 10kΩ
4ch speaker terminals: 4 ~ 16Ω meet
2ch speaker terminals: 6 ~ 16Ω meet
Harmonic distortion 0.8% or less (at rated output)
0.2% or less (1W output)
Intermodulation distortion
(60Hz: 7kHz = 4:1) 1.0% or less (at rated output)
Less than 0.5% (1W output)
Frequency Phono: RIAA standard, ± 1dB
AUX, Tape, Rec / PB, 4ch Input: 20Hz ~ 50kHz, +0-3dB
Input sensitivity / impedance
(At rated output) Phono: 2.5mV/47kΩ
AUX, Tape, REC / PB, 4ch INPUT: 250mV/100kΩ
S / N Phono: 60dB
AUX: 70dB
Tape, REC / PB, 4ch INPUT: 80dB
Damping Factor 35 (8Ω)
Tone control Treble: 10kHz, ± 10dB
Bass: 100Hz, ± 10dB
High Filter 6dB/oct, 5kHz
Loudness switch
(-30dB attenuation) 50Hz, +8 dB
10kHz, +4 dB
Volume knob Independent channels available around
Balance knob Independent channels available around
General
Using semiconductor Integrated receiver: 1FET, 66 transistors
Circuit included: four transistors
37 diodes
Power AC100V, 50Hz/60Hz
Outlet 300W, Non-linked: 1 line
Power 85W
Dimensions Width 434 × height 144 × depth 345mm
Weight: 9.5kg
A link to more information about this great and very special receiver: http://jbmanuals.free.fr/Sony/SQR-6550/Sony%20SQR-6650.html
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