Difference between revisions of "Akai 1721 L/W"
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| − | == | + | == Data == |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Akai]] |
| − | * | + | * Model: 1721 L/W (L=leather, W=wooden case) |
| − | * | + | * Type: Reel-to-reel tape with built-in amplifier and speakers |
| − | * | + | * Years of manufacture: 1973 - 1975 |
| − | * | + | * Made in: Japan |
| − | * | + | * Color: Silver / Black, leather or wood walnut cabinet. |
| − | * | + | * Remote control: |
| − | * | + | * Power Consumption: |
| − | * | + | * Dimensions: 358 x 360 x 248 mm (WxHxD). |
| − | * | + | * Weight: 13.2 kg |
| − | * | + | * New price approx: |
** 1721 L: 1'180 DM | ** 1721 L: 1'180 DM | ||
** 1721 W: 1'237 DM | ** 1721 W: 1'237 DM | ||
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: |
| − | ** | + | ** Microphone: 0.5 mV, 100 kOhm |
| − | + | Line: 150 mV, 330 kOhm | |
| − | ** DIN | + | ** DIN: 20 mV |
| − | + | * Number of outputs: | |
| − | + | ** Line: 1.23 V | |
| − | * | + | ** DIN: 0.7 mV |
| − | ** Line: 1 | + | ** Headphones: 30 - 40 mV at 8 Ohm |
| − | ** DIN: 0 | + | ** Loudspeaker: see amplifier section |
| − | ** | ||
| − | ** | ||
| − | ''' | + | '''Technical data''' |
| − | * Max. | + | * Max. coil diameter: 18 cm |
| − | * | + | * Drive: 1 motor |
| − | * | + | * Heads: 2 (head for recording and playback, 1 ferrite erasing head) |
| − | * | + | * Tracks: 4 |
| − | * | + | * Tape speed: 9.5 / 19 cm/sec |
| − | * | + | * Overall frequency response: |
| − | ** 9 | + | ** 9.5 cm/sec: 40 Hz - 13 kHz ± 3 dB. |
** 19 cm/sec: 30 Hz - 18 kHz ± 3 dB | ** 19 cm/sec: 30 Hz - 18 kHz ± 3 dB | ||
| − | * | + | * Synchronous frequency response: |
| − | ** 9 | + | ** 9.5 cm/sec: 0.18 % |
| − | + | 19 cm/sec: 0.14 % * Signal-to-noise ratio: > 50 dB | |
| − | * | + | * Signal-to-noise ratio: > 50 dB |
| − | * | + | * External signal-to-noise ratio: |
| − | * | + | * Distortion factor (1000Hz, "0" VU recording): < 2 %. |
| − | * | + | * Cancellation attenuation: < 70 dB |
| − | * | + | * Premagnetization and extinction frequency: 63 kHz |
| − | * | + | * Equalization: according to NARTB |
| − | * | + | * Crosstalk attenuation: |
| − | * | + | * Rewind time: 100 seconds for 350 m band |
| − | ''' | + | '''Amplifier Section Specifications''' |
| − | * | + | * Continuous power: |
| − | ** 8 Ohm: 2x | + | ** 8 Ohm: 2x 3 W |
** 4 Ohm: | ** 4 Ohm: | ||
| − | * | + | * Dynamic power: |
| − | ** 8 Ohm: | + | ** 8 Ohm: 10 W |
** 4 Ohm: | ** 4 Ohm: | ||
| − | * | + | * Tone control: |
** Bass: | ** Bass: | ||
| − | ** | + | ** Treble: |
| − | * | + | * Speakers: L/R, each 10 x 15cm oval |
| − | ''' | + | '''Special Features''' |
| − | * | + | * Model with built-in amplifier and speakers |
* Multiplay | * Multiplay | ||
* Duoplay | * Duoplay | ||
| − | * | + | * Post-band control |
| − | * | + | * Automatic limit stop |
| − | * | + | * Horizontal or vertical operation |
| − | == | + | == Remarks == |
| − | * | + | * Other models in the same series: |
** [[Akai 1721 L/W]] | ** [[Akai 1721 L/W]] | ||
** [[Akai 4000 DS]] | ** [[Akai 4000 DS]] | ||
| Line 88: | Line 86: | ||
| − | == | + | == Pictures == |
| − | * | + | * Excerpt from brochure: Akai 1721 W |
| − | [[ | + | [[File:Akai 1721 L-W-Prospekt-2.jpg]] |
| − | == | + | * Excerpt from brochure: Akai 1721 L |
| + | [[File:Akai 1721 L-W-Prospekt-1.jpg]] | ||
| + | |||
| + | |||
| + | == Reports == | ||
| Line 99: | Line 101: | ||
| − | [[ | + | [[Category:Tape machines]] |
Latest revision as of 03:55, 6 July 2018
Data
General
- Manufacturer: Akai
- Model: 1721 L/W (L=leather, W=wooden case)
- Type: Reel-to-reel tape with built-in amplifier and speakers
- Years of manufacture: 1973 - 1975
- Made in: Japan
- Color: Silver / Black, leather or wood walnut cabinet.
- Remote control:
- Power Consumption:
- Dimensions: 358 x 360 x 248 mm (WxHxD).
- Weight: 13.2 kg
- New price approx:
- 1721 L: 1'180 DM
- 1721 W: 1'237 DM
Connections
- Number of inputs:
- Microphone: 0.5 mV, 100 kOhm
Line: 150 mV, 330 kOhm
- DIN: 20 mV
- Number of outputs:
- Line: 1.23 V
- DIN: 0.7 mV
- Headphones: 30 - 40 mV at 8 Ohm
- Loudspeaker: see amplifier section
Technical data
- Max. coil diameter: 18 cm
- Drive: 1 motor
- Heads: 2 (head for recording and playback, 1 ferrite erasing head)
- Tracks: 4
- Tape speed: 9.5 / 19 cm/sec
- Overall frequency response:
- 9.5 cm/sec: 40 Hz - 13 kHz ± 3 dB.
- 19 cm/sec: 30 Hz - 18 kHz ± 3 dB
- Synchronous frequency response:
- 9.5 cm/sec: 0.18 %
19 cm/sec: 0.14 % * Signal-to-noise ratio: > 50 dB
- Signal-to-noise ratio: > 50 dB
- External signal-to-noise ratio:
- Distortion factor (1000Hz, "0" VU recording): < 2 %.
- Cancellation attenuation: < 70 dB
- Premagnetization and extinction frequency: 63 kHz
- Equalization: according to NARTB
- Crosstalk attenuation:
- Rewind time: 100 seconds for 350 m band
Amplifier Section Specifications
- Continuous power:
- 8 Ohm: 2x 3 W
- 4 Ohm:
- Dynamic power:
- 8 Ohm: 10 W
- 4 Ohm:
- Tone control:
- Bass:
- Treble:
- Speakers: L/R, each 10 x 15cm oval
Special Features
- Model with built-in amplifier and speakers
- Multiplay
- Duoplay
- Post-band control
- Automatic limit stop
- Horizontal or vertical operation
Remarks
- Other models in the same series:
Pictures
- Excerpt from brochure: Akai 1721 W
- Excerpt from brochure: Akai 1721 L
