Difference between revisions of "Akai GX-747-DBX"
 
(7 intermediate revisions by the same user not shown)
Line 1: Line 1:
 
__NOTOC__
 
__NOTOC__
−
== Daten ==
+
== Data ==
−
{{Navigation}}
+
{{navigation}}
−
'''Allgemein'''
+
'''General'''
−
* Hersteller: [[Akai]]
+
* Manufacturer: [[Akai]]
−
* Modell: GX-747 DBX
+
* Model: GX-747 DBX
−
* Typ: Bandmaschine
+
* Type: Tape machine
−
* Baujahre: 1982 - 1984
+
* Years of manufacture: 1982 - 1984
−
* Hergestellt in: Japan
+
* Made in: Japan
−
* Farbe: Silber, Schwarz
+
* Color: Silver, Black
−
* Fernbedienung: ja, RC-90 kabelgebunden
+
* Remote control: yes, either cable remote control RC-21 or infrared RC-90
−
* Leistungsaufnahme: 80 W
+
* Power consumption: 80 W
−
* Abmessungen: 440 x 483 x 256 mm (BxHxT)
+
* Dimensions: 440 x 493 x 256 mm (WxHxD)
−
* Gewicht: 21 kg
+
* Weight: 23,2 kg
−
* Neupreis ca.: 3'100 DM
+
* 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:
  
  
−
'''Anschlüsse'''
+
'''Connectors'''
−
* Anzahl der Ausgänge:
+
* Number of outputs:
−
** Line 0,775 V bei 0 VU
+
** Line 0.775 V at 0 VU
−
** DIN 0,3 V
+
DIN 0.3 V
−
** Kopfhörer 6,3 mm Klinke
+
** Headphone 6,3 mm jack
−
* Anzahl der Eingänge:
+
* Number of inputs:
−
** Mikrofon 0,25 mV (5,0 kohm) 2x 6,3 Klinke
+
** Microphone 0.25 mV (5.0 kohm) 2x 6.3 jack
 
** Line 70 mV
 
** Line 70 mV
−
** DIN 2,0 mV
+
** DIN 2.0 mV
  
  
−
'''Technische Daten'''
+
'''Technical Data'''
−
* Max. Spulendurchmesser: 26,8 cm
+
* Max. coil diameter: 26,8 cm
−
* Antrieb: 3 Motoren
+
* Drive: 3 motors
−
** AC Servo Motor für Capstan-drive 1x
+
AC Servo Motor for Capstan-drive 1x
−
** AC Eddy current Motor for Reel 2x  
+
AC Eddy current Motor for Reel 2x  
−
* Köpfe: 6x
+
* Heads: 6x
−
** 2x GX Köpfe Aufnahme
+
2x GX heads recording
−
** 2x GX Köpfe Wiedergabe
+
** 2x GX heads playback
−
** 2x Löschköpfe  
+
** 2x erase heads  
−
* Spuren: Viertelspur, 2-Kanal, Stereo
+
* Tracks: Quarter track, 2-channel, stereo
−
* Bandgeschwindigkeiten:
+
* Tape speeds:
−
** 19,0 cm/ s ± 0,8 %
+
** 19.0 cm/ s ± 0.8 %
 
** 9,5 cm/ s ± 1,0 %
 
** 9,5 cm/ s ± 1,0 %
−
* Gleichlaufschwankungen:
+
* Synchronisation fluctuations:
−
** <0,03 % WRMS, 0,07 % DIN 45500 bei 19,0 cm/ s
+
** &lt;0.03 % WRMS, 0.07 % DIN 45500 at 19.0 cm/ s
−
** <0,04 % WRMS, 0,09 % DIN 45500 bei 9,5 cm/ s
+
** &lt;0.04 % WRMS, 0.09 % DIN 45500 at 9.5 cm/ s
−
* Frequenzgang:
+
* Frequency response:
−
** 25 - 33.000 Hz ± 3 dB bei 19,0 cm/ s
+
** 25 - 33,000 Hz ± 3 dB at 19.0 cm/ s
−
** 25 - 26.000 Hz ± 3 dB (0 VU)
+
25 - 26,000 Hz ± 3 dB (0 VU)
−
** 25 - 25.000 Hz ± 3 dB bei 9,5 cm/ s
+
** 25 - 25,000 Hz ± 3 dB at 9.5 cm/ s
−
** 25 - 15.000 Hz ± 3 dB (0 VU)
+
** 25 - 15,000 Hz ± 3 dB (0 VU)
−
* Signalrauschabstand: <65 dB bei 19,0 cm/ s (DIN45500)
+
* Signal-to-noise ratio:  
−
* Fremdspannungsabstand: ~60 dB
+
** DBX Off: &gt; 63 dB (19cm/s
−
* Klirrfaktor: <0,4 % bei 19,0 cm/ s
+
** DBX On: &gt; 100 dB (19cm/s)
−
* Entzerrung:
+
** DBX On: &gt; 128 dB (19cm/s, 1Khz)
−
* Übersprechdämpfung:
+
* External voltage spacing: ~60 dB
−
* Löschdämpfung:
+
* Distortion: &lt;0.4% at 19.0 cm/ s
−
* Vormagnetisierungs- und Löschfrequenz:
+
* Equalization:
 +
* Crosstalk attenuation:
 +
* Cancellation attenuation:
 +
* Premagnetization and extinction frequency:
  
  
−
'''Besondere Ausstattungen'''
+
'''Special Features'''
 
* Auto-Reverse
 
* Auto-Reverse
 
* DBX
 
* DBX
Line 66: Line 76:
  
  
−
== Bemerkungen ==
+
== Remarks ==
−
* Weitere Modelle der gleichen Serie:
+
* Other models in the same series:
 
** [[Akai GX-4000 D]]
 
** [[Akai GX-4000 D]]
−
** [[Akai GX-77 D]]
+
** [[Akai GX-77]]
 
** [[Akai GX-625 D]]
 
** [[Akai GX-625 D]]
 
** [[Akai GX-636 D]]
 
** [[Akai GX-636 D]]
Line 78: Line 88:
  
  
−
== Bilder ==
+
== Pictures ==
−
* Bild: Akai GX-747 DBX
+
* Image: Akai GX-747 DBX in black
−
[[Bild:Akai GX-747 1.jpg]]
+
[[File:Akai GX-747 DBX-2.jpg]]
  
  
−
== Berichte ==
+
* Picture: Akai GX-747 DBX in Silver
 +
[[File:Akai GX-747 DBX-3.jpg]]
 +
 
 +
 
 +
== Reviews ==
  
  
 
== Links ==
 
== Links ==
−
* Externer Link zu Webseite "The Vintage Knob": [[http://www.thevintageknob.org/akai-GX-747dbx.html]]
+
* External link to website "The Vintage Knob": [[http://www.thevintageknob.org/akai-GX-747dbx.html]]
  
  
−
[[Kategorie:Bandmaschinen]]
+
[[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]


Pictures[edit]

  • Image: Akai GX-747 DBX in black

Akai GX-747 DBX-2.jpg


  • Picture: Akai GX-747 DBX in Silver

Akai GX-747 DBX-3.jpg


Reviews[edit]

Links[edit]

  • External link to website "The Vintage Knob": [[1]]
Retrieved from "https://hifi-wiki.com/index.php?title=Akai_GX-747-DBX&oldid=139610"