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__NOTOC__
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Cassette Deck RS-B905
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== Data ==
 
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{{navigation}}
 
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'''General'''
 
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* Manufacturer: [[Technics]]
 
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* Model: RS-B 905
 
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* Type: Cassette Tape Deck
 
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* Years of manufacture: 1987 - 1990
 
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* Made in: Japan
 
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* Color: Technics Brown
 
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* Remote control: No
 
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* Power consumption: 25 W
 
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* Dimensions (WxHxD): 430 x 109.5 x 285 mm
 
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* Weight: 5 kg
 
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* Original price approx.: 1'200 DM
 
  
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dbx/Closed Loop Dual Capstan DOUBLE DOLBY SYSTEM
  
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'''Connections'''
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DOLBY B-C NR HX PRO
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* Number of inputs:1
 
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** Line In (stereo, Cinch), 60 mV / 47 kOhm
 
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* Number of outputs: 2
 
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** Line Out (stereo, cinch), 400 mV / 2.2 kOhm
 
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** Headphones (6.35mm stereo jack), 80 mV / 8 Ohm
 
  
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Color(K) ...Black Type
  
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'''Technical Data'''
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'''SPECIFICATIONS'''
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* Audio heads: 3
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Deck system  Stereo cassette deck
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* Motors: 2 electronically controlled DC motors
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* Variation of synchronism: 0,04% (rated), +- 0,12% (DIN)
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Track system  4-track, 2-channel
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* Tape types: Normal, CrO2, Metal
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* Frequency response:
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[[Heads]]
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**Normal: 20 Hz - 19 kHz
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REC/PLAY  Combination head
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CrO2: 20 Hz - 20 kHz
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Erasing  Double-gap ferrite head
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Metal: 20 Hz - 21 kHz
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* Distortion Ratio:
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[[Motors]]
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* Signal-to-noise ratio:
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Capstan  Electronically controlled DC motor
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**(with dbx on) 110 dB (1 kHz)
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Reel table drive  Electronically controlled DC motor
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** dbx on 92 dB (A weighted)
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**Dolby C NR on 75 dB (CCIR)
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[[Recording system]]  AC bias
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Dolby B NR on 67 dB (CCIR)
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Bias frequency  85 kHz
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**NR off 57 dB (A weighted)
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* Auto Reverse: No
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[[Erasing system]]  AC erase
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* Title search: Yes
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* Dolby: B and C
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[[Tape speed]]  4.8 cm/sec. (1-7/8 ips)
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* MPX Filter:Yes
 
  
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[[Frequency response]]
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METAL  20 Hz--22 kHz (±15 dB) 30 Hm-21 kHz (DIN)
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Cr02  20 Hz-21 kHz (±15 dB) 30 Hz-20 kHz (DIN)
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NORMAL  20 Hz-20 kHz (±15 dB) 30 Hz-19 kHz (DIN)
  
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'''Special Features'''
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[[Dynamic Range]] (with dbx on)  110 dB (1 kHz)
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* Rear band control
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Max. Input level improvement (with dbx on)  10 dB
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* DOLBY B-C NR HX PRO
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S/N (signal level = max recording level, Cr02 type tape)
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* Double Dolby NR Circuits - DOUBLE DOLBY SYSTEM
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dbx on  92 dB (A weighted)
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* dbx
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Dolby C NR on 75 dB (CCIR)
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* Closed Loop Dual Capstan
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Dolby B NR on 67 dB (CCIR)
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* Calibration
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NR off 57 dB (A weighted)
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Auto Tape Equalization
 
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Manual Level Calibration
 
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* Bias Fine Tune - control for Bias-Adjust
 
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* Fast Forward and Rewind Time Approx. 95 seconds with C-60 cassette tape
 
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Full Logic Transport Control
 
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Real-Time Tape Monitoring
 
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Auto Space
 
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Record Mute
 
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Timer Recording/Playback
 
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Memory Repeat
 
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** Music Scan
 
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*Headphone Volume Control
 
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* Display
 
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** 3-Digit Digital Counter
 
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** Digital Peak-Reading Meters
 
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** Multi Color Peak-Reading Meters
 
  
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[[Wow and flutter]] 0.04% (WRMS) ±0.12% (DIN)
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Fast Forward and Rewind Time Approx. 95 seconds with C-60 cassette tape
  
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== Remarks ==
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[[Input sensitivity and impedance]]
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* Other models in the same series:
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LINE
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* [[Technics RS-B 105]]
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60 mV/47 k OHM
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* [[Technics RS-B 205]]
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Output voltage and impedance
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* [[Technics RS-B 305]]
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LINE
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* [[Technics RS-B 405]]
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400 mV/2.2 k OHM
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* [[Technics RS-B 505]]
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HEADPHONES
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* [[Technics RS-B 605]]
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125 mV/8 OHM 
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* [[Technics RS-B 705]]
 
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* [[Technics RS-B 905]]
 
  
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== Pictures ==
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'''GENERAL'''
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* Image: Technics RS-B 905
 
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[[File:Rsb905b.jpg|1000px]]
 
  
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[[Power consumption]]  25W
  
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* Excerpt from advertisement: Technics RS-B 905
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[[Power supply]]
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[[File:Technics RS-B-905-1.jpg]]
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For U.S.A. and Canada
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AC 60 Hz, 120V
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For continental Europe
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AC 50 Hz/60 Hz, 220V
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For United Kingdom and other area
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AC 50Hz/60Hz, 110V/127V/220V/240V
  
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[[Weight and dimensions are approximate.]]
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Dimensions (W x H x D)  430 x 285 x 109.5 mm (16-15/16" x 11-7/32" x 4-5/16") Weight  5 kg (11 lb.)
  
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* Excerpt from advertisement: Technics RS-B 905
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    * Noise Reduction
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[[File:Technics RS-B-905-Prospekt-2.jpg|1000px]]
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          o Dolby-B Noise Reduction
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          o Dolby-C Noise Reduction
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          o Double Dolby NR Circuits
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          o MPX Filter
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          o DBX Type II Noise Reduction
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          o Dolby HX Pro®
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    * Heads
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          o 3 Head Design
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    * Calibration
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          o Auto Tape Equalization
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          o Manual Level Calibration
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          o Bias Fine Tune
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    * Tape
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          o Automatic Tape Type Selection
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          o Chrome Tape Capability
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          o Normal Tape Capability
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          o Metal Tape Capability
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    * Transport
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          o Dual-Capstan Transport
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          o Mechanical Tape Loading
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          o Auto Shutoff
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    * Exterior
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          o Orientation Left
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    * Operation
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          o Full Logic Transport Control
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          o Real-Time Tape Monitoring
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          o Auto-Space
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          o Record Mute
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          o Timer Recording/Playback
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          o Memory Repeat
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          o Music Scan
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    * Preamplifier
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          o Record Level Balance Control
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          o Headphone Volume Control
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          o Master Record Level Control
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    * Connectivity
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          o Headphones
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          o RCA Input/Output Connectors
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    * Display
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          o 3-Digit Digital Counter
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          o Digital Peak-Reading Meters
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          o Multi Color Peak-Reading Meters
  
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== Reviews ==
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== Bemerkungen ==
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Weitere Modelle der gleichen Serie:
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** [[Technics_RS-B_405|RS-B405]]
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** [[Technics_RS-B_505|RS-B505]]
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** [[Technics_RS-B_605|RS-B605]]
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** [[Technics_RS-B_705|RS-B705]]
  
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== Bilder ==
  
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== Links ==
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[[Datei:Rsb905a.jpg]]
  
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[[Datei:Rsb905b.jpg]]
  
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[[Category:Cassette decks]]
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[[Kategorie:Kassettendecks]]

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