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Pioneer SX-770

Specifications:

PIONEER MODEL SX-770 DELUXE STEREO RECEIVER
TECHNICAL SPECIFICATIONSclassicaudio.com

TRANSISTORS & DIODES
Tuner Section
-ICs: 3classicaudio.com
-FET: 1
-Transistors: 12
-Diodes: 9classicaudio.com
Audio Section:
Transistors: 21
Diodes and etc. 7classicaudio.com

FM SECTION
Circuitry:
-Front-end using "FET"classicaudio.com
Frequency Range: 87.5-108 MHz
IHF Usable Sensitivity: 1.8 uV
Image Rejection: 60 dB (at 98 MHz)classicaudio.com
Signal-to-Noise Ratio: 70 dB (IHF rating)
Antenna Input: 300 ohms (balanced)classicaudio.com

MULTIPLEX SECTION
Circuitry:classicaudio.com
-Time switching type de-modulator
-FM Mono/Stereo automatic selectionclassicaudio.com
Channel Separation: 40 dB (at 1 kHz)

AM SECTION
Circuitry: Superheterodyneclassicaudio.com
Frequency Range: 525-1605 kHz
IHF Usable Sensitivity: 10 uV
Image Rejection: 55 dB (at 1000 kHz)classicaudio.com
Antenna Input: Built-in Ferrite loopstick antenna

AUDIO SECTION
Circuitry: Single-ended push-pullclassicaudio.com
Music Power Output (IHF Rating):
-70 watts at 4 ohms
-52 watts at 8 ohmsclassicaudio.com
RMS Rated Power Output (both channel driven):
17 + 17 watts 4 ohms
15 + 15 watts 8 ohmsclassicaudio.com
RMS Rated Power Output (each channel driven): 20/20 watts 8 ohms
Frequency Response: +/-3 dB from 20 Hz to 40 kHz (Over-all)
Harmonic Distortion: Less than 0.8% (at 1 kHz rated output)classicaudio.com
Power Bandwidth: 15 Hz to 35 kHz (AUX)
Hum & Noise (at rated output):classicaudio.com
-MAG - better than 80 dB
-AUX - better than 95 dBclassicaudio.com
Inputs Impendance and Audio Sensitivity (for rated output):
-MAGnetic PHONO - 2.5 mV 50 kOhms (1 kHz)classicaudio.com
-CERamic PHONO - 58 mV 100 kOhms (1 kHz)
-MICrophone - 5 mV 100 kOhms (1 kHz)classicaudio.com
-TAPE MONITOR - 200 mV 100 kOhms (1 kHz)
-AUXiliary - 200 mV 100 kOhms (1 kHz)classicaudio.com
Damping Factor: 35 (8 ohms, 1 kHz)
Output Terminals and Jacks:classicaudio.com
-Speakers - 4 to 16 ohms
-Stereo headphones jackclassicaudio.com
-Simultaneous tape recording jacks, equipped with TAPE MONITOR switch
-Tape recording/playback jack (DIN type)classicaudio.com
Equalization Curves:
-PHONO: RIAA
Tone Controls (each channel):classicaudio.com
-BASS - boost 13 dB, cut 9 dB (at 50 Hz)
-TREBLE - boost 10 dB, cut 9 dB (at 10 kHz)
Filters:
HIGH - cut 9 db (at 10 kHz)classicaudio.com
Loudness Contour: Switchable ON-OFF, boost 12 dB at 50 Hz, boost 7.5 dB at
10 kHz, with VOLUME control set at -40 dB

POWER SUPPLY, ETC.
Power Consumption: 108 watts (Max)classicaudio.com
Overall Dimensions:
-16 15/16" (Width)classicaudio.com
-5 11/16" (Height)
-13 3/4" (Depth)
Weight: 21 lbs. / 9.6 kgclassicaudio.com
caudio.com

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