Difference between revisions of "Technics RS-744 U"
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| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Technics]] |
| − | * | + | * Model: RS-744 U |
| − | * | + | * Type: Quadraphonic reel-to-reel tape recorder |
| − | * | + | * Year of manufacture: 1973 - 1975 |
| − | * | + | * Made in: Japan |
| − | * | + | * Color: Wood / Metal Silver / Black |
| − | * | + | * Remote control: |
| − | * | + | * Power consumption: 45 watts |
| − | * | + | * Dimensions: 425 x 398 x 212 mm (WxHxD) |
| − | * | + | * Weight: 13 kg |
| + | * Original price approx.: 88'000 Yen (Japan, 1973), corresponds to about 1'400 DM | ||
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: |
** Line In: 30 mV | ** Line In: 30 mV | ||
** Line In DIN: | ** Line In DIN: | ||
| − | ** | + | ** Microphone: 0.56 mV, 600 Ohm - 20 kOhm |
| − | * | + | * Number of outputs: |
** Line Out: 500 mV, 50 kOhm | ** Line Out: 500 mV, 50 kOhm | ||
** Line Out DIN: | ** Line Out DIN: | ||
| − | ** | + | ** Headphone: 30 mV |
| − | ''' | + | '''Specifications''' |
| − | * 4- | + | * 4-track, 2/4-channel, stereo/quadraphonic tape deck. |
| − | * Max. | + | * Max. Reel diameter: 18 cm |
| − | * | + | * Drive: 1 motors (1x capstan, 2x reels) |
| − | * | + | * Heads: 3x HPF (4 track/2 channel recording, 4 track/4 channel playback, 4 track/2 channel erase) |
| − | * | + | * Tracks: 4 |
| − | * | + | * Tape speeds: 9.5 cm/s, 19 cm/s |
| − | * | + | * Synchronisation fluctuations: |
| − | ** 0. | + | ** 0.15 % (at 9.5 cm/s). |
| − | ** 0. | + | ** 0.09 % (at 19 cm/s) |
| − | * | + | * Pitch fluctuations: |
| − | * | + | * Overall frequency response: |
| − | ** 19 cm/s: 40 Hz - 20 kHz (± 3 dB) | + | ** 19 cm/s: 40 Hz - 20 kHz (± 3 dB). |
| − | * | + | * Signal-to-noise ratio: 53 dB |
| − | * | + | * External signal-to-noise ratio: |
| − | * | + | * Distortion factor: |
| − | * | + | * Equalization: NAB Standard |
| − | * | + | * Crosstalk attenuation: |
| − | * | + | * Cancellation attenuation: |
| − | * | + | * Premagnetization and cancellation frequency: 120 kHz |
| − | ''' | + | '''Special Features''' |
| − | * 4 VU | + | * 4 VU meters |
| − | * | + | * Tape selector switch |
| − | * Playback | + | * Playback selector switch |
| − | * | + | * Automatic limit stop |
| − | * | + | * Pre-/post-tape control |
| − | == | + | == Comments == |
| − | * | + | * Other models in the same series: |
** [[Technics RS-724 U]] | ** [[Technics RS-724 U]] | ||
** [[Technics RS-728 U]] | ** [[Technics RS-728 U]] | ||
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| − | == | + | == Pictures == |
| − | * Technics | + | * Technics advertisement for quadraphonic reel-to-reel tape recorders RS-724 U, RS-728 U, RS-744 U, RS-745 U |
| − | [[ | + | [[File:Technics RS-724-728-744-745-Prospekt-1.jpg]] |
| − | == | + | == Reports == |
== Links == | == Links == | ||
| − | * | + | * External link to "Audio Heritage" website: [http://www.audio-heritage.jp/TECHNICS/player/rs-744u.html RS-744 U] |
| − | [[ | + | [[Category:Tape Machines]] |
Latest revision as of 08:43, 9 November 2020
Data[edit]
General
- Manufacturer: Technics
- Model: RS-744 U
- Type: Quadraphonic reel-to-reel tape recorder
- Year of manufacture: 1973 - 1975
- Made in: Japan
- Color: Wood / Metal Silver / Black
- Remote control:
- Power consumption: 45 watts
- Dimensions: 425 x 398 x 212 mm (WxHxD)
- Weight: 13 kg
- Original price approx.: 88'000 Yen (Japan, 1973), corresponds to about 1'400 DM
Connections
- Number of inputs:
- Line In: 30 mV
- Line In DIN:
- Microphone: 0.56 mV, 600 Ohm - 20 kOhm
- Number of outputs:
- Line Out: 500 mV, 50 kOhm
- Line Out DIN:
- Headphone: 30 mV
Specifications
- 4-track, 2/4-channel, stereo/quadraphonic tape deck.
- Max. Reel diameter: 18 cm
- Drive: 1 motors (1x capstan, 2x reels)
- Heads: 3x HPF (4 track/2 channel recording, 4 track/4 channel playback, 4 track/2 channel erase)
- Tracks: 4
- Tape speeds: 9.5 cm/s, 19 cm/s
- Synchronisation fluctuations:
- 0.15 % (at 9.5 cm/s).
- 0.09 % (at 19 cm/s)
- Pitch fluctuations:
- Overall frequency response:
- 19 cm/s: 40 Hz - 20 kHz (± 3 dB).
- Signal-to-noise ratio: 53 dB
- External signal-to-noise ratio:
- Distortion factor:
- Equalization: NAB Standard
- Crosstalk attenuation:
- Cancellation attenuation:
- Premagnetization and cancellation frequency: 120 kHz
Special Features
- 4 VU meters
- Tape selector switch
- Playback selector switch
- Automatic limit stop
- Pre-/post-tape control
Comments[edit]
- Other models in the same series:
Pictures[edit]
- Technics advertisement for quadraphonic reel-to-reel tape recorders RS-724 U, RS-728 U, RS-744 U, RS-745 U
Reports[edit]
Links[edit]
- External link to "Audio Heritage" website: RS-744 U