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Technics Model SA-1000 Receiver

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Front View
Image Attribution: Technics Brochure
Date: 2001/10/29

Technics Brochure Highlights

330 watts per channel, minimum RMS, both channels driven, at 4 or 8 ohms, from 20 - 20,000 Hz, with no more than 0.03% total harmonic distortion.
Triple push-pull, Darlington-connected, pure-complementary OCL power amplifier. First-stage differential amplifier employs single-packaged matched transistors and current-mirror loading.Constant-voltage power supply and four 18,000 uF filter capacitors maintain low distortion under high-amplitude transient conditions. 12 power-level LED's per channel (24 total) with 3-step range selector. Phono equalizer employs two M47LP transistors in current-mirror loaded differential stage, contributing to 97 dB phono S/N ratio (IHF A, re 10 mv). SEPP phono output stage. Phono overload of 300 mV (1 kHz, RMS) assures very wide dynamic range. Switchable phono resistance and capacitance for matching cartridge characteristics. Steep-slope (-12 dB/oct) high and low filters. Baxandall-type bass/midrange/treble controls plus "Acoustic Control." Midrange control center frequency variable between 250 Hz and 5 kHz. Two-way tape dubbing. 26-position true
attenuator volume control. Three-fold circuit and speaker protection. Automatic load impedance detector optimizes power transfer depending on speaker impedance. 8-gang variable tuning capacitor (5 for FM, 3 for AM). 4-pole MOS FET utilized in both RF and mixer stage. Local oscillator with FET buffer amp contributes to excellent spurious response rejection, wide dynamic range and high tolerance to strong input signals. 85 dB selectivity achieved with four 2-element "flat group delay" filters and double-tuned circuits in RF amplification stage. 19 and 38 kHz signal cancellors permit wide, flat frequency response in FM. Phase locked loop IC in FM MPX section for wideband, stable stereo separation. MPX hi-blend reduces noise on weak FM stereo signals. Ratio detector minimizes FM distortion, with high tolerance to overmodulated broadcast signals. In AM section, tuned RF amplification and triple-tuned coils in IF contribute to excellent selectivity. Main and remote speaker facilities. Jacks for adding future 4-channel FM and stereo AM adaptors. Pre-out/Main-in jacks.

Contributed by Ben
On 2001/10/31


Designed inJapan
Manufactured InJapan
Wood CaseYes
Speaker ConnectionsTwo Sets
Chassis GroundYes
AC SwitchYes

RMS Power Per Channel330 watts
Total Harmonic Distortion (THD)0.03% at full power
Frequency Response20 Hz to 20 kHz
Signal to Noise Ratio100 dB from aux
Meter Range3 ranges + Off
Output Meter(s)Tri-Color LED
Headphone OutputsYes
Speaker OutputsMain, Remote

FM Tuner
RF Sensitivity0.9 uV
Tuning Gangs5 FM + 3 for AM
50 dB quieting sensitivity, Stereo17.7 uV
50 dB quieting sensitivity, Mono 1.2 uV
THD, Mono0.1%
THD, Stereo0.1%
Frequency Response20 Hz to 18 kHz, +0.2/-0.8 dB
Alternate Channel Selectivity (wide or normal)85 dB
Mono SwitchYes
Signal Strength MeterYes
Center Tuning MeterYes
Multiplex Filter (Hi-Blend)Yes
Stereo LampLED
FM Mode LampLED
Muting SwitchYes
FM Discriminator output, unequalizedYes

AM Tuner
AM Mode LampLED
Alternate Channel Selectivity35 dB
Signal Strength MeteringYes

Single Bass AdjustmentYes
Multiple Midrange AdjustmentsLevel, frequency (250 Hz to 5 kHz)
Single Treble AdjustmentYes
High FilterYes
Low FilterYes
Gain ControlStepped
Loudness ContourYes
Muting-20 dB
Number of Tape MonitorsTwo
Tape to Tape Dubbing2,1 and 1,2
Auxillary Input SourceYes
Phono Input SourceYes
2nd Phono Input SourceYes
Illuminated Source IndicatorsYes
Phono Pickup Impedance Control20, 50 or 100 k-Ohm + low/hi cap
Tuner Source InputIntegral AM/FM
Tape MonitorYes
2nd Tape monitorYes
Headphone Jack(s)Two sets
Speaker Selection NomenclatureMain, Remote

Tape Deck
FM Source Multiplex FilterYes (this is unusual!)

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