Difference between revisions of "Akai GX-747-DBX"
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__NOTOC__ | __NOTOC__ | ||
− | == | + | == Data == |
− | {{ | + | {{navigation}} |
− | ''' | + | '''General''' |
− | * | + | * Manufacturer: [[Akai]] |
− | * | + | * Model: GX-747 DBX |
− | * | + | * Type: Tape machine |
− | * | + | * Years of manufacture: 1982 - 1984 |
− | * | + | * Made in: Japan |
− | * | + | * Color: Silver, Black |
− | * | + | * Remote control: yes, either cable remote control RC-21 or infrared RC-90 |
− | * | + | * Power consumption: 80 W |
− | * | + | * Dimensions: 440 x 493 x 256 mm (WxHxD) |
− | * | + | * Weight: 23,2 kg |
− | * | + | * Original price approx.: 3'100 DM |
− | * | + | * Optional accessories: |
− | ** RC-21 | + | ** RC-21 wired remote control: 6'000 Yen (Japan, 1982), equivalent to about 90 DM |
− | ** DC-635 | + | ** RC-90 Infrared remote control: 18'000 Yen (Japan, 1982), equals about 270 DM |
− | ** RH-12-J NAB | + | DC-635 hood: |
− | ** AH-15-J | + | ** RH-12-J NAB adapter: |
− | ** OR-100 Rack: | + | ** AH-15-J Head Demagnetizer: |
+ | ** OR-100 Rack: | ||
− | ''' | + | '''Connectors''' |
− | * | + | * Number of outputs: |
− | ** Line 0 | + | ** Line 0.775 V at 0 VU |
− | + | DIN 0.3 V | |
− | ** | + | ** Headphone 6,3 mm jack |
− | * | + | * Number of inputs: |
− | ** | + | ** Microphone 0.25 mV (5.0 kohm) 2x 6.3 jack |
** Line 70 mV | ** Line 70 mV | ||
− | ** DIN 2 | + | ** DIN 2.0 mV |
− | ''' | + | '''Technical Data''' |
− | * Max. | + | * Max. coil diameter: 26,8 cm |
− | * | + | * Drive: 3 motors |
− | + | AC Servo Motor for Capstan-drive 1x | |
− | + | AC Eddy current Motor for Reel 2x | |
− | * | + | * Heads: 6x |
− | + | 2x GX heads recording | |
− | ** 2x GX | + | ** 2x GX heads playback |
− | ** 2x | + | ** 2x erase heads |
− | * | + | * Tracks: Quarter track, 2-channel, stereo |
− | * | + | * Tape speeds: |
− | ** 19 | + | ** 19.0 cm/ s ± 0.8 % |
** 9,5 cm/ s ± 1,0 % | ** 9,5 cm/ s ± 1,0 % | ||
− | * | + | * Synchronisation fluctuations: |
− | ** | + | ** <0.03 % WRMS, 0.07 % DIN 45500 at 19.0 cm/ s |
− | ** | + | ** <0.04 % WRMS, 0.09 % DIN 45500 at 9.5 cm/ s |
− | * | + | * Frequency response: |
− | ** 25 - 33 | + | ** 25 - 33,000 Hz ± 3 dB at 19.0 cm/ s |
− | + | 25 - 26,000 Hz ± 3 dB (0 VU) | |
− | ** 25 - 25 | + | ** 25 - 25,000 Hz ± 3 dB at 9.5 cm/ s |
− | ** 25 - 15 | + | ** 25 - 15,000 Hz ± 3 dB (0 VU) |
− | * | + | * Signal-to-noise ratio: |
− | ** DBX | + | ** DBX Off: > 63 dB (19cm/s |
− | ** DBX | + | ** DBX On: > 100 dB (19cm/s) |
− | ** DBX | + | ** DBX On: > 128 dB (19cm/s, 1Khz) |
− | * | + | * External voltage spacing: ~60 dB |
− | * | + | * Distortion: <0.4% at 19.0 cm/ s |
− | * | + | * Equalization: |
− | * | + | * Crosstalk attenuation: |
− | * | + | * Cancellation attenuation: |
− | * | + | * Premagnetization and extinction frequency: |
− | ''' | + | '''Special Features''' |
* Auto-Reverse | * Auto-Reverse | ||
* DBX | * DBX | ||
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− | == | + | == Remarks == |
− | * | + | * Other models in the same series: |
** [[Akai GX-4000 D]] | ** [[Akai GX-4000 D]] | ||
− | ** [[Akai GX-77 | + | ** [[Akai GX-77]] |
** [[Akai GX-625 D]] | ** [[Akai GX-625 D]] | ||
** [[Akai GX-636 D]] | ** [[Akai GX-636 D]] | ||
Line 87: | Line 88: | ||
− | == | + | == Pictures == |
− | * | + | * Image: Akai GX-747 DBX in black |
− | [[ | + | [[File:Akai GX-747 DBX-2.jpg]] |
− | * | + | * Picture: Akai GX-747 DBX in Silver |
− | [[ | + | [[File:Akai GX-747 DBX-3.jpg]] |
− | == | + | == Reviews == |
== Links == | == Links == | ||
− | * | + | * External link to website "The Vintage Knob": [[http://www.thevintageknob.org/akai-GX-747dbx.html]] |
− | [[ | + | [[Category:Tape Machines]] |
Latest revision as of 00:03, 9 August 2018
Data[edit]
General
- Manufacturer: Akai
- Model: GX-747 DBX
- Type: Tape machine
- Years of manufacture: 1982 - 1984
- Made in: Japan
- Color: Silver, Black
- Remote control: yes, either cable remote control RC-21 or infrared RC-90
- Power consumption: 80 W
- Dimensions: 440 x 493 x 256 mm (WxHxD)
- Weight: 23,2 kg
- Original price approx.: 3'100 DM
- Optional accessories:
- RC-21 wired remote control: 6'000 Yen (Japan, 1982), equivalent to about 90 DM
- RC-90 Infrared remote control: 18'000 Yen (Japan, 1982), equals about 270 DM
DC-635 hood:
- RH-12-J NAB adapter:
- AH-15-J Head Demagnetizer:
- OR-100 Rack:
Connectors
- Number of outputs:
- Line 0.775 V at 0 VU
DIN 0.3 V
- Headphone 6,3 mm jack
- Number of inputs:
- Microphone 0.25 mV (5.0 kohm) 2x 6.3 jack
- Line 70 mV
- DIN 2.0 mV
Technical Data
- Max. coil diameter: 26,8 cm
- Drive: 3 motors
AC Servo Motor for Capstan-drive 1x AC Eddy current Motor for Reel 2x
- Heads: 6x
2x GX heads recording
- 2x GX heads playback
- 2x erase heads
- Tracks: Quarter track, 2-channel, stereo
- Tape speeds:
- 19.0 cm/ s ± 0.8 %
- 9,5 cm/ s ± 1,0 %
- Synchronisation fluctuations:
- <0.03 % WRMS, 0.07 % DIN 45500 at 19.0 cm/ s
- <0.04 % WRMS, 0.09 % DIN 45500 at 9.5 cm/ s
- Frequency response:
- 25 - 33,000 Hz ± 3 dB at 19.0 cm/ s
25 - 26,000 Hz ± 3 dB (0 VU)
- 25 - 25,000 Hz ± 3 dB at 9.5 cm/ s
- 25 - 15,000 Hz ± 3 dB (0 VU)
- Signal-to-noise ratio:
- DBX Off: > 63 dB (19cm/s
- DBX On: > 100 dB (19cm/s)
- DBX On: > 128 dB (19cm/s, 1Khz)
- External voltage spacing: ~60 dB
- Distortion: <0.4% at 19.0 cm/ s
- Equalization:
- Crosstalk attenuation:
- Cancellation attenuation:
- Premagnetization and extinction frequency:
Special Features
- Auto-Reverse
- DBX
- Pitch Control
- Timer Start
- Bias Adjust
- Auto Mute
Remarks[edit]
- Other models in the same series:
Pictures[edit]
- Image: Akai GX-747 DBX in black
- Picture: Akai GX-747 DBX in Silver
Reviews[edit]
Links[edit]
- External link to website "The Vintage Knob": [[1]]