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− | __NOTOC__
| + | == Bilder == |
− | == Data == | + | [http://www.audio-heritage.jp/TECHNICS/player/rs-728u.html RS-728 U] |
− | {{navigation}}
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− | '''General'''
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− | * Manufacturer: [[Technics]]
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− | * Model: RS-728 U
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− | * Type: Quadraphonic reel-to-reel tape recorder
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− | * Year of manufacture: 1973 - 1975
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− | * Made in: Japan
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− | * Color: Wood / Metal Silver / Black
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− | * Remote control:
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− | * Power consumption: 28 watts
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− | * Dimensions: 425 x 398 x 212 mm (WxHxD)
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− | * Weight: 13 kg
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− | * Original price approx.: 69'800 Yen (Japan, 1973), corresponds to about 1'100 DM
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− | '''Connections'''
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− | * Number of inputs:
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− | ** Line In: 30 mV
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− | ** Line In DIN:
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− | ** Microphone: 0.56 mV, 600 Ohm - 20 kOhm
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− | * Number of outputs:
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− | ** Line Out: 500 mV, 50 kOhm
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− | ** Line Out DIN:
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− | ** Headphone: 30 mV
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− | '''Specifications'''
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− | * 4-track, 2/4-channel, stereo/quadraphonic tape deck.
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− | * Max. Reel diameter: 18 cm
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− | * Drive: 1 motor
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− | * Heads: 3 (4 track/2 channel recording, 4 track/4 channel playback, 4 track/2 channel erase)
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− | * Tracks: 4
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− | * Tape speeds: 9.5 cm/s, 19 cm/s
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− | * Synchronisation fluctuations:
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− | ** 0.15 % (at 9.5 cm/s).
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− | ** 0.09 % (at 19 cm/s)
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− | * Pitch fluctuations:
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− | * Overall frequency response:
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− | ** 19 cm/s: 40 Hz - 20 kHz (± 3 dB).
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− | * Signal-to-noise ratio: 53 dB
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− | * External signal-to-noise ratio:
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− | * Distortion factor:
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− | * Equalization: NAB Standard
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− | * Crosstalk attenuation:
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− | * Cancellation attenuation:
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− | * Premagnetization and cancellation frequency: 100 kHz
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− | '''Special Features'''
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− | * 4 VU meters
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− | * Tape selector switch
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− | * Playback selector switch
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− | * Automatic limit stop
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− | * Pre-/post-tape control
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− | == Comments ==
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− | * Other models in the same series:
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− | ** [[Technics RS-724 U]]
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− | ** [[Technics RS-728 U]]
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− | ** [[Technics RS-744 U]]
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− | ** [[Technics RS-745 U]]
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− | | |
− | == Pictures ==
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− | * Technics advertisement for quadraphonic reel-to-reel tape recorders RS-724 U, RS-728 U, RS-744 U, RS-745 U
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− | [[File:Technics RS-724-728-744-745-Prospekt-1.jpg]]
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− | == Reports ==
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− | == Links ==
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− | * External link to "Audio Heritage" website: [http://www.audio-heritage.jp/TECHNICS/player/rs-728u.html RS-728 U]
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− | [[Category:Tape Machines]]
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