Difference between revisions of "Technics RS-B 905"
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Cassette Deck RS-B905
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__NOTOC__
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== Data ==
 +
{{navigation}}
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'''General'''
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* Manufacturer: [[Technics]]
 +
* Model: RS-B 905
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* Type: Cassette Tape Deck
 +
* Years of manufacture: 1987 - 1990
 +
* Made in: Japan
 +
* Color: Technics Brown
 +
* Remote control: No
 +
* Power consumption: 25 W
 +
* Dimensions (WxHxD): 430 x 109.5 x 285 mm
 +
* Weight: 5 kg
 +
* Original price approx.: 1'200 DM
  
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dbx/Closed Loop Dual Capstan DOUBLE DOLBY SYSTEM
 
  
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DOLBY B-C NR HX PRO
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'''Connections'''
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* Number of inputs:1
 +
** 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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'''SPECIFICATIONS'''
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'''Technical Data'''
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Deck system  Stereo cassette deck
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* Audio heads: 3
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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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* Tape types: Normal, CrO2, Metal
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* Frequency response:
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**Normal: 20 Hz - 19 kHz
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CrO2: 20 Hz - 20 kHz
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Metal: 20 Hz - 21 kHz
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* Distortion Ratio:
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* Signal-to-noise ratio:
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**(with dbx on) 110 dB (1 kHz)
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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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Dolby B NR on 67 dB (CCIR)
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**NR off 57 dB (A weighted)
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* Auto Reverse: No
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* Title search: Yes
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* Dolby: B and C
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* MPX Filter:Yes
  
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Track system  4-track, 2-channel
 
  
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[[Heads]]
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'''Special Features'''
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REC/PLAY  Combination head
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* Rear band control
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Erasing  Double-gap ferrite head
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* DOLBY B-C NR HX PRO
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* Double Dolby NR Circuits - DOUBLE DOLBY SYSTEM
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* dbx
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* Closed Loop Dual Capstan
 +
* Calibration
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Auto Tape Equalization
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Manual Level Calibration
 +
* Bias Fine Tune - control for Bias-Adjust
 +
* Fast Forward and Rewind Time Approx. 95 seconds with C-60 cassette tape
 +
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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[[Motors]]
 
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Capstan  Electronically controlled DC motor
 
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Reel table drive  Electronically controlled DC motor
 
  
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[[Recording system]]   AC bias
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== Remarks ==
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Bias frequency  85 kHz
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* Other models in the same series:
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* [[Technics RS-B 105]]
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* [[Technics RS-B 205]]
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* [[Technics RS-B 305]]
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* [[Technics RS-B 405]]
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* [[Technics RS-B 505]]
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* [[Technics RS-B 605]]
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* [[Technics RS-B 705]]
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* [[Technics RS-B 905]]
  
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[[Erasing system]]   AC erase
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== Pictures ==
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* Image: Technics RS-B 905
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[[File:Rsb905b.jpg|1000px]]
  
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[[Tape speed]]  4.8 cm/sec. (1-7/8 ips)
 
  
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[[Frequency response]]
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* Excerpt from advertisement: Technics RS-B 905
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METAL  20 Hz--22 kHz (±15 dB) 30 Hm-21 kHz (DIN)
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[[File:Technics RS-B-905-1.jpg]]
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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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[[Dynamic Range]] (with dbx on)  110 dB (1 kHz)
 
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Max. Input level improvement (with dbx on)  10 dB
 
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S/N (signal level = max recording level, Cr02 type tape)
 
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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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Dolby B NR on 67 dB (CCIR)
 
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NR off 57 dB (A weighted)
 
  
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[[Wow and flutter]] 0.04% (WRMS) ±0.12% (DIN)
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* Excerpt from advertisement: Technics RS-B 905
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Fast Forward and Rewind Time Approx. 95 seconds with C-60 cassette tape
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[[File:Technics RS-B-905-Prospekt-2.jpg|1000px]]
  
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[[Input sensitivity and impedance]]
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== Reviews ==
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LINE
 
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60 mV/47 k OHM
 
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Output voltage and impedance
 
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LINE
 
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400 mV/2.2 k OHM
 
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HEADPHONES
 
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125 mV/8 OHM 
 
  
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'''GENERAL'''
 
  
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[[Power consumption]]  25W
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== Links ==
  
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[[Power supply]]
 
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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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[[Category:Cassette decks]]
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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.)
 

Latest revision as of 16:34, 21 August 2020

Data[edit]

General

  • Manufacturer: Technics
  • Model: RS-B 905
  • Type: Cassette Tape Deck
  • Years of manufacture: 1987 - 1990
  • Made in: Japan
  • Color: Technics Brown
  • Remote control: No
  • Power consumption: 25 W
  • Dimensions (WxHxD): 430 x 109.5 x 285 mm
  • Weight: 5 kg
  • Original price approx.: 1'200 DM


Connections

  • Number of inputs:1
    • Line In (stereo, Cinch), 60 mV / 47 kOhm
  • Number of outputs: 2
    • Line Out (stereo, cinch), 400 mV / 2.2 kOhm
    • Headphones (6.35mm stereo jack), 80 mV / 8 Ohm


Technical Data

  • Audio heads: 3
  • Motors: 2 electronically controlled DC motors
  • Variation of synchronism: 0,04% (rated), +- 0,12% (DIN)
  • Tape types: Normal, CrO2, Metal
  • Frequency response:
    • Normal: 20 Hz - 19 kHz

CrO2: 20 Hz - 20 kHz Metal: 20 Hz - 21 kHz

  • Distortion Ratio:
  • Signal-to-noise ratio:
    • (with dbx on) 110 dB (1 kHz)
    • dbx on 92 dB (A weighted)
    • Dolby C NR on 75 dB (CCIR)

Dolby B NR on 67 dB (CCIR)

    • NR off 57 dB (A weighted)
  • Auto Reverse: No
  • Title search: Yes
  • Dolby: B and C
  • MPX Filter:Yes


Special Features

  • Rear band control
  • DOLBY B-C NR HX PRO
  • Double Dolby NR Circuits - DOUBLE DOLBY SYSTEM
  • dbx
  • Closed Loop Dual Capstan
  • Calibration

Auto Tape Equalization Manual Level Calibration

  • Bias Fine Tune - control for Bias-Adjust
  • Fast Forward and Rewind Time Approx. 95 seconds with C-60 cassette tape

Full Logic Transport Control Real-Time Tape Monitoring Auto Space Record Mute Timer Recording/Playback Memory Repeat

    • Music Scan
  • Headphone Volume Control
  • Display
    • 3-Digit Digital Counter
    • Digital Peak-Reading Meters
    • Multi Color Peak-Reading Meters


Remarks[edit]

Pictures[edit]

  • Image: Technics RS-B 905

Rsb905b.jpg


  • Excerpt from advertisement: Technics RS-B 905

Technics RS-B-905-1.jpg


  • Excerpt from advertisement: Technics RS-B 905

Technics RS-B-905-Prospekt-2.jpg

Reviews[edit]

Links[edit]

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