Editing Technics SU-A 2

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__NOTOC__
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== Daten ==
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== Data ==
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{{Navigation}}
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{{navigation}}
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'''Allgemein'''
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'''General'''
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* Hersteller: [[Technics]]
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* Manufacturer: [[Technics]]
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* Modell: SU-A 2
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* Model: SU-A 2
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* Typ: Class A Stereo DC Vorverstärker
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* Type: Class A Stereo DC Preamplifier
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* Hinweis: Wurde nur auf Bestellung in Handarbeit gebaut
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* Note: Was only built to order in manual labor
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* Baujahre: 1977 - 1980
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* Years of manufacture: 1977 - 1980
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* Hergestellt in: Japan
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* Made in: Japan
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* Farbe: Schwarz
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* Color: Black
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* Leistungsaufnahme: 240 W, ohne Signal 130 W
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* Power consumption: 240 W, without signal 130 W
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* Abmessungen: 450 x 205 x 574 mm  
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* Dimensions (WxHxD): 450 x 205 x 574 mm  
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* Gewicht: ca. 38,5 kg
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* Weight: approx. 38.5 kg
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* Neupreis ca.: 1'600'000 Yen (Japan, 1977), 22'500 DM
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* Original price approx.: 1'600'000 Yen (Japan, 1977), 22'500 DM
 
  
  
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'''Connections'''
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'''Anschlüsse'''
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* Number of inputs:
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* Anzahl der Eingänge:
 
** Phono 1:
 
** Phono 1:
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*** MM: 2.5 mV, 500 mV max.
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*** MM: 2,5 mV, max. 500 mV
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**** Impedance selectable: 22k, 33k, 47k, 75k, 100kOhm
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**** Impedanz wählbar: 22k, 33k, 47k, 75k, 100kOhm
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**** Capacitance selectable: 100p, 150p, 200p, 300p, 500pF
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**** Kapazität wählbar: 100p, 150p, 200p, 300p, 500pF
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MC: 0.1 mV, max. 20 mV
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*** MC: 0,1 mV, max. 20 mV
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**** Impedance selectable: 10, 22, 47, 100, 220 Ohm
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**** Impedanz wählbar: 10, 22, 47, 100, 220 Ohm
 
** Phono 2:
 
** Phono 2:
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*** MM: 2.5 mV, max. 500 mV
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*** MM: 2,5 mV, max. 500 mV
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**** Impedance selectable: 22k, 33k, 47k, 75k, 100kOhm
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**** Impedanz wählbar: 22k, 33k, 47k, 75k, 100kOhm
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**** Capacitance selectable: 100p, 150p, 200p, 300p, 500pF
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**** Kapazität wählbar: 100p, 150p, 200p, 300p, 500pF
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MC: 0.1 mV, max. 20 mV
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*** MC: 0,1 mV, max. 20 mV
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**** Impedance selectable: 10, 22, 47, 100, 220 Ohm
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**** Impedanz wählbar: 10, 22, 47, 100, 220 Ohm
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** Microphone: 2mV / 600 kOhm, max. 200 mV
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** Mikrofon: 2mV / 600 kOhm, max. 200 mV
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** Tuner: 150mV / 47 kOhm (with level control on rear panel)
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** Tuner: 150mV / 47 kOhm (mit Pegelregler auf Geräte Rückseite)
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AUX: 150mV / 47 kOhm (with level control on rear panel)
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** AUX: 150mV / 47 kOhm (mit Pegelregler auf Geräte Rückseite)
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Tape Play 1, 2, 3: 150mV / 47 kOhm (each with level control on rear panel)
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** Tape Play 1, 2, 3: 150mV / 47 kOhm (je mit Pegelregler auf Geräte Rückseite)
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** Display instruments: External input
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** Anzeigeinstrumente: Eingang Extern
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* Number of outputs:
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* Anzahl der Ausgänge:
 
** Tape Rec 1, 2, 3: 150mV / 500 Ohm
 
** Tape Rec 1, 2, 3: 150mV / 500 Ohm
 
** Pre Out 1, 2: 1 V / 500 Ohm, max. 10 V
 
** Pre Out 1, 2: 1 V / 500 Ohm, max. 10 V
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** Remote control output for power on / off of the power amp
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** Fernbedienungsausgang:
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** Headphones: Impedance 4 - 600 Ohm
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** Kopfhörer:  
  
  
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'''Technical Data'''
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'''Technische Daten'''
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* Frequency response:
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* Frequenzgang:
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** Phono 1, 2 MM: DC - 20 kHz, RIAA ± 0.2 dB.
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** Phono 1, 2 MM: DC-20kHz, RIAA ± 0.2 dB
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** Phono 1, 2 MC: 30 Hz - 20 kHz, RIAA ± 0.2 dB
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** Phono 1, 2 MC: 30Hz - 20kHz, RIAA ± 0.2 dB
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Microphones: 20 Hz - 20 kHz, + 0 -1 dB  
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** Mikrofone: 20Hz-20kHz, + 0 -1 dB  
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Tuner: DC - 20 kHz + 0 -0.2 dB
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** Tuner: DC-20kHz + 0 -0.2 dB
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Aux: DC - 20 kHz + 0 -0.2 dB
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** Aux: DC-20 kHz + 0 -0.2 dB
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** Tape 1, 2, 3: DC - 20 kHz + 0 -0.2 dB
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** Tape 1, 2, 3: DC-20 kHz + 0 -0.2 dB
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Distortion: THD (20Hz - 20kHz)
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* Klirrfaktor: THD (20Hz - 20kHz)
 
** Phono 1, 2 MM:
 
** Phono 1, 2 MM:
 
*** 1 V: 0.003% (VR -30 dB)
 
*** 1 V: 0.003% (VR -30 dB)
 
*** 10 V: 0.003% (VR max.)
 
*** 10 V: 0.003% (VR max.)
 
** Phono 1, 2 MC:
 
** Phono 1, 2 MC:
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*** 1 V: 0.005% (VR -30 dB).
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*** 1 V: 0.005% (VR -30 dB)
 
*** 10 V: 0.005% (VR max.)
 
*** 10 V: 0.005% (VR max.)
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** Microphones:
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** Mikrofone:
 
*** 1 V: 0.005% (VR -30 dB)
 
*** 1 V: 0.005% (VR -30 dB)
 
*** 10 V: 0.005% (VR max.)
 
*** 10 V: 0.005% (VR max.)
Line 63: Line 62:
 
*** 1 V: 0.003% (VR -30 dB)
 
*** 1 V: 0.003% (VR -30 dB)
 
*** 10 V: 0.003% (VR max.)
 
*** 10 V: 0.003% (VR max.)
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* Signal-to-noise ratio:
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* Signalrauschabstand:
 
** Phono MM:
 
** Phono MM:
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*** 2.5 mV input voltage: 95 dB
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*** 2.5 mV Eingangsspannung: 95 dB
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*** 10 mV input voltage: 107dB
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*** 10 mV Eingangsspannung: 107dB
 
** Phono MC:
 
** Phono MC:
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*** 0.1 mV input voltage: 80dB (-160 dBV)
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*** 0.1 mV Eingangsspannung: 80dB (-160 dBV)
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* Tone control
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** Mikrofon: 60 dB
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** Bass: operating frequency 15, 60, 240, 500 Hz (selectable)
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** Tuner: 90 dB
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*** R + L separately adjustable: ± 10 dB (Q= 0.7-7.0).
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** AUX: 90 dB
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Treble: Insertion frequency 1, 4, 16 kHz (selectable).
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** Tape 1, 2, 3: 90 dB
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*** R + L separately adjustable: ± 10 dB (Q= 0.7-7.0)
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* Klangregelung
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* Loudness: Variable (rotary dial behind volume control)
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** Bass: Einsatzfrequenz 125, 250, 500 Hz (wählbar), ± 12,5 dB
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* High Filter: 2-stage, selectable frequency 8, 12 kHz, - 18 dB / octave
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** Höhen: Einsatzfrequenz 2, 4, 8 kHz (wählbar), ± 12,5 dB
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* Low Filter: 2-stage, insert frequency 15, 30Hz, selectable, - 18 dB / octave
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* Loudness: nein
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* Low Filter (Subsonic): 30Hz, - 12 dB / octave
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* High Filter: 2-stufig, Einsatzfrequenz 7, 11 kHz (wählbar), -18dB/Okt.
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* Muting: -∞, Off, -20dB
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* Low Filter (Subsonic): 2-stufig, Einsatzfrequenz: 20, 40 Hz (wählbar), -18dB/Okt.
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* Oscillator characteristics: sine wave, square wave: 20Hz - 20kHz (variable adjustable)
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* Attenuator: 0 dB, - 20 dB
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* Signal tone: 20Hz - 20kHz (variable adjustable).
 
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* Pink noise: ± 7% of the modulation factor
 
  
  
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'''Special Features'''
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'''Besondere Ausstattungen'''
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* Indicators and controls Front:
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* Anzeigen und Bedienelemente Front:
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** Left side:
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** Linke Seite:
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*** Display instruments with dB scale from -50 to + 10 dB and volt scale from 0.003 - 1 V.
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*** Anzeigeinstrumente mit dB-Skala von -50 bis + 10 dB und Volt Skala von 0.003 - 1 V
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**** Features:
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*** Netzschalter
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***** Average operating time: 0.33 sec.
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*** Kopfhörer Ausgänge: Impedanz 4 - 600 Ω
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***** Peak Display: 0.00005 sec.
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, phones only -∞). Meter Mote for Average (attack time 0.33 sec), Peak (attack time 0.00005 sec) and Peakhold (max. detected value held as meter reading for 2 h). Filter Switches (Low, High, EQ Subsonic).  
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***** Peak Hold: max. value stored for 2 hours
 
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*** Power switch
 
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*** Headphone outputs: Impedance 4 - 600 Ohm
 
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*** Filter knobs for: Low, High, EQ Subsonic  
 
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Center:
 
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*** Indicator lights: OSC, Microphones
 
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*** Input selector with indicator lights and memory function for program sources Aux, Tuner, Phono, Tape 1, 2 or 3 Rec/PB)
 
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*** Rec selector with indicator lights for Tape Dubbing (1>2-3, 2>1-3, 3>1-2), Aux, Tuner (with memory function), Phono, Off
 
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Sound position: Rec Out, Pre Out, Off
 
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*** Mode selector for Reverse, Stereo, L+R, L, R
 
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*** Balance control
 
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*** Mode selector: DC, Low Cut 2 Hz.
 
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Right side:
 
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*** Phono and cartridge selector: Phono 1 MC/MM, Phono 2 MC/MM
 
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*** Master volume control
 
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*** Variable Loudness control
 
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*** Loudness: On / Off
 
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*** Muting: -∞, Off, -20dB
 
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* Indicators and controls behind the front panel:
 
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** Left side:
 
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*** Headphone Level Switch
 
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*** Pre Out Connectors
 
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*** Display range instruments with attenuator: -10 dB to -20 dB
 
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*** Input selector: External, Microphones, Pre Out, Rec Out
 
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*** OSC section with frequency control: 20-20,000 Hz and mode selector for square waves, sine waves, off, signal tone, pink noise
 
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*** Microphone section with connectors for 6.3mm jack plugs (Left, Right) with mix control and impedance selector for 600 Ohm, 500 kOhm, Mix, Off
 
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** Center:
 
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*** Equalizer section with key selector:
 
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**** 4 bands selectable from -10 dB∼-10 dB and bandwidths 0.7-7 as well as frequencies 15-240 Hz, 63-1,000 Hz, 250-4,000 Hz, 1-16 kHz.  
 
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** Right side:
 
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*** Phono selector for phono 1, 2:
 
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**** Input voltage selector for 2.5-10 mV
 
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**** Input selector for impedance: MM 22∼100 kOhm, MC 10∼220 Ohm
 
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**** Input selector for capacitance: 100pF∼500pF
 
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**** Tape 3 selector for input front or rear, PB, Rec Out
 
  
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MIDDLE: Pilot Lamps (OSC, Mic). Input Selectors single touch pushbuttons with pilot lamp and memory function of program source for Aux, Tuner, Phono, Tape 1, 2 or 3 Rec/PB). Rec Selector pushbuttons with pilot lamps for Tape Dubbing (1>2-3, 2>1-3, 3>1-2), Aux, Tuner (with special memory function), Phono, Off. Tone Position (Rec Out, Pre Out, Off). Mode Selector (rev, stereo, L+R, L, R). Balance Control. Operation Switch(DC, low cut 2 Hz).
  
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== Remarks ==
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RIGHT: Phono and Cartridge Selectors (Phono 1 MC/MM, Phono 2 MC/MM). Master Volume Control (variable loudness), Loudness (On/Off), Muting (-∞, Off, -20dB).
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* Previous model:
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** 1973: SU-10000 preamp
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BEHIND FRONT FLAP
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*** [[Technics SU-10000|SU-10000]]
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 +
LEFT: Phones Level Switch. Pre Out Terminals. Meter Section with Attenuator (-10 dB to -20 dB) and Input Selector (ext, mic, pre out, rec out). OSC Section with Frequency Control (20-20,000 Hz) and Mode Selector (square wave, sine wave, off, warble tone, pink noise). Microphone Section with Jacks (left, rigth), Mixing Level Control and Impedance Selector (600 Ω, 500 kΩ, Mixing, Off).
  
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MIDDLE: Universal Tone Equalizer Section with Tone Mode Selectors, 4 Band Level Controls (-10 dB∼-10 dB) and Selectors for Bandwidth (0.7-7) and Frequency (15-240 Hz; 63-1,000 Hz; 250-4,000 Hz; 1-16 kHz).
  
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* Successor model:
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RIGHT: Phono (1, 2) Selectors Section with Level Controls (2.5-10 mV) and Selectors for Input Capacitance (100pF∼500pF) and Input Resistance (MM 22∼100 kΩ; MC 10∼220 Ω). Tape 3 terminal (Front/back, PB, Rec Out).
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** 2018: preamplifier SU-R 1
 
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*** [[Technics SU-R 1|SU-R 1]]
 
  
  
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* Other models in the "Century Series":
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== Bemerkungen ==
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** Turntables:  
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* Weitere Modelle der "Jahrhundert-Serie":
 +
** Plattenspieler:  
 
*** [[Technics SL-1000 MK 2|SL-1000 MK 2]]
 
*** [[Technics SL-1000 MK 2|SL-1000 MK 2]]
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** Cartridges:  
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** Tonabnehmer:  
 
*** [[Technics EPC-100 C MK 3|EPC-100 C MK 3]]
 
*** [[Technics EPC-100 C MK 3|EPC-100 C MK 3]]
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** Preamplifier:  
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** Vorverstärker:  
 
*** [[Technics SU-A 2|SU-A 2]]
 
*** [[Technics SU-A 2|SU-A 2]]
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** Power amplifier:  
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** Endstufe:  
 
*** [[Technics SE-A 1|SE-A 1]]
 
*** [[Technics SE-A 1|SE-A 1]]
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** Cassette Tape Deck:  
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** Kassetten Tape Deck:  
 
*** [[Technics RS-M 95|RS-M 95]]
 
*** [[Technics RS-M 95|RS-M 95]]
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** Tape machine:  
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** Bandmaschine:  
 
*** [[Technics_RS-1800|RS-1800]]
 
*** [[Technics_RS-1800|RS-1800]]
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** Speakers:  
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** Lautsprecher:  
 
*** [[Technics_SB-10000|SB-10000]]
 
*** [[Technics_SB-10000|SB-10000]]
  
  
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* At the 1979 Tokyo Audio Fair, the Technics SH-P1 PCM audio processor was introduced to match the series. It was only built to order. It is not known if it was ever built for customers:
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* Vorgänger Modell der gleichen Serie:
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** PCM Audio Processor Technics SH-P1:
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** 1973: Vorverstärker SU-10000
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*** [[Technics SH-P1|SH-P1]]
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*** [[Technics SU-10000|SU-10000]]
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== Pictures ==
 
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* Image: Technics SU-A 2 front
 
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[[File:Technics SU-A2-5.jpg]]
 
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−
 
 
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* Picture: Technics SU-A 2 back
 
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[[File:Technics SU-A2-8.jpg]]
 
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* Image: Technics century series consisting of:
 
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** Technics SL-1000 MK 2 turntable
 
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** pickup Technics EPC-100 C MK 3
 
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preamplifier Technics SU-A 2
 
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power amplifier Technics SE-A 1
 
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** Cassette Tape Deck Technics RS-M 95
 
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** Tape machine Technics RS-1800
 
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** Loudspeaker Technics SB-10000
 
  
 +
* Nachfolgemodell der gleichen Serie:
 +
** 2018: Vorverstärker SU-R1
 +
*** [[Technics SU-R1|SU-R1]]
  
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[[File:Technics SE-A1, SU-A2, SB-10000, RS-1800, SL-1000 MK2-10.jpg]]
 
  
 +
== Bilder ==
 +
* Bild: Technics SU-A 2 Front
 +
[[Datei:Technics SU-A 2-1.jpg]]
  
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* Excerpt from brochure: Technics Combi SU-A 2 / SE-A 1
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* Bild: Technics Jahrhundert-Serie:
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[[File:Technics SE-A1, SU-A2-Prospekt-1.jpg|1000px]]
+
[[Datei:Technics SE-A1, SU-A2, SB-10000, RS-1800, SL-1000 MK2-9.jpg]]
  
  
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== Reports ==
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== Berichte ==
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* Report at / some pictures from "Good Old Hifi": [http://www.good-old-hifi.de/technics_su-a2/]
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* Bericht bei / einige Bilder von "Good Old Hifi": [[http://www.good-old-hifi.de/technics_su-a2/]]
  
  
 
== Links ==
 
== Links ==
−
* External link to website "Audio Database, Japan": [http://audio-database.com/TechnicsPanasonic/amp/su-a2-e.html]
+
* Externer Link auf Webseite "Audio Database, Japan": [[http://audio-database.com/TechnicsPanasonic/amp/su-a2-e.html]]
  
  
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[[Category:Preamplifier]]
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[[Kategorie:Vorverstärker]]

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