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==Technische Daten==
== Data ==
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Lautsprecherbox SS-20
{{navigation}}
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Prinzip: Geschlossene Box, 3 Wege
'''General'''
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Übertragungsbereich: 35 - 23.000 Hz
* Manufacturer: [[Mitsubishi]]
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Nennbelastbarkeit: 90 Watt
* Model: SS-20
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Musikbelastbarkeit: 120 Watt
* Type: Loudspeaker
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Impedanz: 8 Ohm
* Years of manufacture: 1982 - 1984
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Made in Germany
* Made in: Germany
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MITSUBISHI ELECTRIC
* Color: Walnut
 
* Dimensions (WxHxD): 310 x 540 x 250 mm
 
* Weight: 10,5 kg
 
* Original price approx.: 350 DM / piece
 
  
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==Hinweise für Bastler==
  
'''Technical Data'''
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Allgemeiner Hinweis zur 8-Ohm-Impedanz:
* Type: 3-way closed compact speaker
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Einige Lautsprecher arbeiten íntern mit 4 Ohm
* Chassis:
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und erzielen die 8 Ohm am Anschluß durch einen
** Low frequency: 200 mm cone
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zusätzlichen 4 Ohm Draht-Widerstand (meist mit eckiger Keramik-Ummantelung) am Anschluß.
Midrange: 100 mm cone
 
Tweeter: 25 mm dome
 
Power handling (nominal/music): 90 W / 120 Watt
 
Efficiency:
 
* Frequency response: 34 - 23,000 Hz.
 
* Transient response:
 
* Impedance: 8 Ohm
 
  
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Ob das bei diesem Modell auch so ist, weiß ich nicht.
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Wer einen 4-Ohm-fähigen Verstärker hat,
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kann solche Boxen umbauen:
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Baßlautsprecher herausschrauben,
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Vorwiderstand überbrücken und Impedanz auf dem Typenschild zu 4 Ohm ändern
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(das Typenschild zu ändern ist wichtig weil eine 4-Ohm-Box
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einen Verstärker mit 8 Ohm Mindestimpedanz überlasten kann,
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z. B. Mitsubishi DA-R45P und DA-R47P).
  
'''Special Features'''
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Der Vorteil ist, daß ein Verstärker bei 4 Ohm mehr leistet als bei 8 Ohm.
* Front cover removable
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Der Nachteil ist wie gesagt, daß die Box dann nicht mehr an alle Verstärker anschließbar ist.
  
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==Links==
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Weitere Daten (z. B. Maße), siehe:
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http://www.radiomuseum.org/r/mitsubishi_ss_20.html
  
== Remarks ==
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[[Kategorie: Lautsprecher]]
* General note on 8 Ohm impedance: Some loudspeakers work internally with 4 Ohm and achieve the 8 Ohm at the connection by an additional 4 Ohm wire resistor (usually with square ceramic coating) at the connection.
 
* I don't know if this is also the case with this model. If you have a 4 Ohm capable amplifier, you can convert such speakers:
 
** Unscrew the bass speaker, bridge the series resistor and change the impedance on the nameplate to 4 ohms (changing the nameplate is important because a 4 ohm speaker can overload an amplifier with 8 ohms minimum impedance, e.g. Mitsubishi DA-R45P and DA-R47P).
 
** The advantage is that an amplifier will perform better at 4 ohms than at 8 ohms.
 
The disadvantage is, as already mentioned, that the speaker can no longer be connected to all amplifiers.
 
 
 
 
 
* Other models of the same series:
 
* [[Mitsubishi SS-7 G]]
 
* [[Mitsubishi SS-20]]
 
* [[Mitsubishi DS-25 B]]
 
* [[Mitsubishi DS-32 B]]
 
* [[Mitsubishi DS-501]]
 
* [[Mitsubishi MS-40]]
 
 
 
 
 
== Pictures ==
 
* Extract from brochure: Mitsubishi SS-20, DS-25 B, DS-32 B
 
[[File:Mitsubishi SS-20-Prospekt-1.jpg]]
 
 
 
 
 
== Reports ==
 
 
 
 
 
== Links ==
 
 
 
 
 
[[Category:Loudspeaker]]
 

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