Difference between revisions of "Technics SU-A 6 MK 2"

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== Daten ==
+
== Data ==
{{Navigation}}
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{{navigation}}
'''Allgemein'''
+
'''General'''
* Hersteller: [[Technics]]
+
* Manufacturer: [[Technics]]
* Modell: SE-A 6 MK 2
+
* Model: SU-A 6 MK 2
* Typ: Vorverstärker
+
* Type: Preamplifier
* Baujahre: 1983 - 1987
+
* Years of manufacture: 1983 - 1988
* Hergestellt in: Japan
+
* Made in: Japan
* Farbe: Schwarz
+
* Color: Black
* Leistungsaufnahme: 15 W
+
* Power consumption: 17 W
* Abmessungen: 430 x 97 x 330 mm (BxHxT)
+
* Dimensions: 430 x 98 x 360 mm (WxHxD)
* Gewicht: 8 kg
+
* Weight: 5.9 kg
* Neupreis ca.: 3'900 DM
+
* Original price approx.: 1'500 DM
  
  
'''Anschlüsse'''
+
'''Connections'''
* Anzahl der Eingänge:
+
* Number of inputs:
** Phono MM: umschaltbar 1 mV oder 2,5 mV / 47 kOhm, max. 150 mV
+
** Phono MM: 2.5 mV / 47 kOhm, 150 mV max.
** Phono MC: umschaltbar 0,07 mV oder 0,25 mV / 30 Ohm oder 470 Ohm, max. 15 mV
+
** Phono MC: 0.1 mV, 220 Ohm, max. 15 mV
 
** Tuner: 150 mV / 47 kOhm
 
** Tuner: 150 mV / 47 kOhm
** CD: 150 mV / 47 kOhm
+
CD: 150 mV / 47 kOhm
** Aux: 150 mV / 47 kOhm
+
Aux: 150 mV / 47 kOhm
** Tape Play 1, 2: 150 mV / 47 kOhm
+
** Tape Play 1, 2,3 : 150 mV / 47 kOhm
 
** Video:  
 
** Video:  
* Anzahl der Ausgänge:
+
** Computer Control In:
** Tape Rec 1, 2: 150 mV, 600 Ohm
+
* Number of Outputs:
 +
** Tape Rec 1, 2, 3: 150 mV, 600 ohms.
 
** Video Rec:  
 
** Video Rec:  
 +
** Computer Control Out:
 
** Pre Out: 2 V, max. 8 V, 2 Ohm
 
** Pre Out: 2 V, max. 8 V, 2 Ohm
  
  
'''Technische Daten'''
+
'''Technical Data'''
* Frequenzgang:
+
* Frequency Response:
** Phono: RIAA-Standard ± 0,15 dB
+
** Phono: RIAA standard, + 0 dB, - 1 dB.
** Hochpegel: DC - 100'000 Hz (+ 0 dB, - 3 dB)
+
** High level: 0.5 Hz - 200'000 Hz (+ 0 dB, - 3 dB)
* Klirrfaktor: 0,006 %
+
* Distortion factor: 0.002 %
* Signalrauschabstand:
+
* Signal-to-noise ratio:
* Fremdspannungsabstand: (Nennleistung)
+
* External voltage spacing: (nominal power)
** Phono MM: 77 dB
+
** Phono MM: 80 dB
** Phono MC: 76 dB
+
Phono MC: 73 dB
 
** Tuner/Aux: 100 dB
 
** Tuner/Aux: 100 dB
* Klangregelung
+
* Tone control
** Super-Bass: 20 Hz, 0 - +10 dB
+
** Super Bass: 30 Hz, 0 - +10 dB
*** Übergangsfrequenzen: 75 Hz, 150 Hz
+
Bass: 50 Hz, ± 5 dB
** Bass: 50 Hz, ± 5 dB
+
** Treble: 20 kHz, ± 5 dB
*** Übergangsfrequenz: 500 Hz
+
** Super treble: 50 kHz, ± 10 dB
** Höhen: 20 kHz, ± 5 dB
+
* Loudness: + 7 dB at 50 Hz
*** Übergangsfrequenz: 2 kHz
+
* High Filter: 7 kHz, - 6 dB / octave
** Super-Höhen: 50 kHz, ± 10 dB
+
* Low Filter (Subsonic): 20 Hz, -12 dB / octave
*** Übergangsfrequenz: 8 kHz
+
* Muting:  
* Loudness: + 7 dB bei 50 Hz
 
* High Filter: 7 kHz, - 6 dB / Oktave
 
* Low Filter (Subsonic): 20 Hz, -12 dB / Oktave
 
* Muting: - 20 dB
 
  
  
'''Besondere Ausstattungen'''
+
'''Special Features''''
* Vergoldete Cinch- Anschlüsse
+
* Gold-plated Cinch connectors
 +
* Front connectors
 +
Video / Aux 1 input
  
  
== Bemerkungen ==
+
== Remarks ==
* Weitere Modelle der gleichen Serie:
+
* Other models in the same series:
* Technics Vorverstärker
+
* Technics preamplifier
 
** [[Technics SU-A 4 MK 2]]
 
** [[Technics SU-A 4 MK 2]]
 
** [[Technics SU-A 6 MK 2]]
 
** [[Technics SU-A 6 MK 2]]
  
  
* Technics Endverstärker
+
* [[Technics power amplifier
 
** [[Technics SE-A 3 MK 2]]
 
** [[Technics SE-A 3 MK 2]]
 
** [[Technics SE-A 5 MK 2]]
 
** [[Technics SE-A 5 MK 2]]
  
  
== Bilder ==
+
== Pictures ==
* Auszug aus Prospekt: Technics Kombi SU-A 4 MK 2 / SE-A 3 MK 2
+
* Excerpt from brochure: Technics combi SU-A 6 MK 2 / SE-A 5 MK 2
[[Datei:Technics SE-A 3-SU-A4 MK2-Prospekt-1.jpg]]
+
[[File:Technics SE-A 5-SU-A 6 MK2-Prospekt-1.jpg|1600px]]
  
  
== Berichte ==
+
== Reports ==
 
+
Weakness is the MN6631A ICs - no longer available and sensitive to input pulses. Responsible for audio input switching. Owners often report short circuits in the ICs when active RCA connections are disconnected or plugged during operation. This is generally not recommended anyway. The ICs in question are numbered 301 to 305 in the service manual. Symptom: Device starts, input switching does not work, input selector LEDs dark and fuse in the 18 (23) volt supply area blows immediately.
  
 
== Links ==
 
== Links ==
* Bericht bei "Adrian Kingston": [[http://www.adrian-kingston.com/SEA5.htm]]
+
* Report at "Adrian Kingston": [[http://www.adrian-kingston.com/SEA5.htm]]
 
 
[[Kategorie:Vorverstärker]]
 
Technische Merkmale:
 
 
 
- Übertrgungsbereich: 0,5 - 200000 Hz
 
- Stereo DC Control Amplifier
 
- MM, MC
 
Technics SU-A6 MK2 Vorverstärker      Pre Amplifier     
 
 
 
- Tape Monitor
 
- Super Bass
 
- Straight DC
 
- Subsonic Filter
 
- Phono Selector
 
 
 
Anschlüsse Hinten
 
- Phono
 
- Tuner
 
- CD
 
- TV/Aux2
 
- Video/Aux1
 
- Tape 3
 
- Tape 2
 
- Tape 1
 
- Output
 
- Computer Contol IN/OUT
 
- GND
 
 
 
Anschlüsse Vorne
 
- Video/Aux1 input
 
  
- Abmessungen (B x H x T): ca. 430 x 95 x 370 mm
+
[[Category:Preamplifier]]
[[Kategorie:Vorverstärker]]
 

Latest revision as of 18:58, 11 January 2021

Data[edit]

General

  • Manufacturer: Technics
  • Model: SU-A 6 MK 2
  • Type: Preamplifier
  • Years of manufacture: 1983 - 1988
  • Made in: Japan
  • Color: Black
  • Power consumption: 17 W
  • Dimensions: 430 x 98 x 360 mm (WxHxD)
  • Weight: 5.9 kg
  • Original price approx.: 1'500 DM


Connections

  • Number of inputs:
    • Phono MM: 2.5 mV / 47 kOhm, 150 mV max.
    • Phono MC: 0.1 mV, 220 Ohm, max. 15 mV
    • Tuner: 150 mV / 47 kOhm

CD: 150 mV / 47 kOhm Aux: 150 mV / 47 kOhm

    • Tape Play 1, 2,3 : 150 mV / 47 kOhm
    • Video:
    • Computer Control In:
  • Number of Outputs:
    • Tape Rec 1, 2, 3: 150 mV, 600 ohms.
    • Video Rec:
    • Computer Control Out:
    • Pre Out: 2 V, max. 8 V, 2 Ohm


Technical Data

  • Frequency Response:
    • Phono: RIAA standard, + 0 dB, - 1 dB.
    • High level: 0.5 Hz - 200'000 Hz (+ 0 dB, - 3 dB)
  • Distortion factor: 0.002 %
  • Signal-to-noise ratio:
  • External voltage spacing: (nominal power)
    • Phono MM: 80 dB

Phono MC: 73 dB

    • Tuner/Aux: 100 dB
  • Tone control
    • Super Bass: 30 Hz, 0 - +10 dB

Bass: 50 Hz, ± 5 dB

    • Treble: 20 kHz, ± 5 dB
    • Super treble: 50 kHz, ± 10 dB
  • Loudness: + 7 dB at 50 Hz
  • High Filter: 7 kHz, - 6 dB / octave
  • Low Filter (Subsonic): 20 Hz, -12 dB / octave
  • Muting:


Special Features'

  • Gold-plated Cinch connectors
  • Front connectors

Video / Aux 1 input


Remarks[edit]



Pictures[edit]

  • Excerpt from brochure: Technics combi SU-A 6 MK 2 / SE-A 5 MK 2

Technics SE-A 5-SU-A 6 MK2-Prospekt-1.jpg


Reports[edit]

Weakness is the MN6631A ICs - no longer available and sensitive to input pulses. Responsible for audio input switching. Owners often report short circuits in the ICs when active RCA connections are disconnected or plugged during operation. This is generally not recommended anyway. The ICs in question are numbered 301 to 305 in the service manual. Symptom: Device starts, input switching does not work, input selector LEDs dark and fuse in the 18 (23) volt supply area blows immediately.

Links[edit]

  • Report at "Adrian Kingston": [[1]]