Difference between revisions of "Akai GX-75"

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__NOTOC__
 
__NOTOC__
== Daten ==
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== Data ==
{{Navigation}}
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{{navigation}}
'''Allgemein'''
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'''General'''
* Hersteller: [[Akai]]
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* Manufacturer: [[Akai]]
* Modell: GX-75
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* Model: GX-75
* Typ: Stereo
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* Type: Cassette Tape Deck
* Baujahre: ca. 1990
+
* Years of manufacture: 1988 - 1990
* Hergestellt in: Japan
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* Made in: Japan
* Farbe: schwarz
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* Color: Black
* Fernbedienung: optional
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* Remote control: optional (RC-G95)
* Leistungsaufnahme:
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* Dimensions: 425 x 154 x 350 mm (WxHxD)
* Abmessungen: 425 x 154 x 350 mm
+
* Weight: 9.2 kg
* Gewicht: 9,2kg
+
* Original price approx.: DM 999,- (€ 500,-)
* Neupreis ca.: €500.-
 
  
  
'''Anschlüsse'''
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'''Connections'''
* Anzahl der Eingänge:  
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* Number of inputs:  
** LINE: 70mV / 47kΩ
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** LINE: 70 mV / 47 kOhm
** CD/DAT DIRECT IN: 240mV / 47kΩ
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CD/DAT DIRECT IN: 240 mV / 47 kOhm
* Anzahl der Ausgänge:  
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* Number of outputs:  
** LINE: 388mV / 150Ω
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** LINE: 388 mV / 150 kOhm
** Kopfhörer: 1,3mV (8Ω)
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** Headphones: 1.3 mV (8 Ohm)
  
  
'''Technische Daten'''
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'''Specifications'''
* Tonköpfe:
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* Tone heads:
** LC-OFC Super GX-Tonkopf für die Wiedergabe x1
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** 1x LC-OFC Super GX sound head for playback.
** LC-OFC Super GX-Tonkopf für die Aufnahme x1
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** 1x LC-OFC Super GX sound head for recording
** Löschkopf x1
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** 1x erase head
* Motoren:
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* motors:
** FG Servo DD elektronisch geschwindigkeitsgesteuert Gleichstrommotor für Antriebswellen-Antrieb x1
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** 1x FG Servo DD electronically speed controlled DC motor for drive shaft drive.
** Gleichstrommotor für Spulenantrieb x1
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** 1x DC motor for coil drive
** Gleichstrommotor für Nockenantrieb und für Bandauswurf/Laden x1
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** 1x DC motor for cam drive and for belt ejection/loading
* Gleichlaufschwankungen: 0,025% WRMS, 0,04% (DIN)
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* Synchronization fluctuations: 0.025% WRMS, 0.04% (DIN)
* Bandarten: Normal, CrO₂ und Metall
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* Belt types: Normal, CrO₂ and Metal.
* Frequenzgang:
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* Frequency response:
** Normal 20Hz bis 19kHz ±3dB
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** Normal: 20 to 19,000 Hz ±3dB.
** CrO₂ 20Hz bis 20kHz ±3dB
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** CrO₂: 20 to 20,000 Hz ±3dB
** Metall 20Hz bis 21kHz ±3dB
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Metal: 20 to 21,000 Hz ±3dB
* Klirrfaktor: <0,6% (bei Metall)
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* Distortion factor: &lt; 0.6 % (for metal)
* Signalrauschabstand:
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* Signal-to-noise ratio:
** 59dB (über Band mit Aufnahmespitzenpegel gemessen)
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** 59 dB (measured over tape at recording peak level).
** Dolby NR Type B eingeschaltet: verbessert um 5dB bei 1kHz, 10dB über 5kHz
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** Dolby™ NR Type B on: improved by 5 dB at 1 kHz, 10 dB above 5 kHz.
** Dolby NR Type C eingeschaltet: verbessert um 15dB bei 500Hz, 20dB bei 1kHz bis 10kHz
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** Dolby™ NR Type C on: improved by 15 dB at 500 Hz, 20 dB at 1 kHz to 10 kHz.
* Auto-Reverse: nein
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* Auto Reverse: no
* Titelsuchlauf: 16 Titel IPSS-Funktion
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* Title search: 16 titles with IPSS function.
* Dolby: B, C und HX PRO
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* Dolby™: B, C and HX PRO.
* MPX-Filter: ja
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* MPX filter: yes
* Fader: nein
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* Fader: no
* Pitch-Kontrolle:
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* Pitch control:
* CD-Synchro-Aufnahme: nein
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* CD synchro recording: no
  
  
'''Besondere Ausstattungen'''
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'''Special Features'''
 +
* 3-tone head system, Super GX tone heads incorporating LC-OFC (linear crystal/oxygen-free copper).
 +
* Microprocessor-controlled turntable with "Power-Eject" and extremely quiet mechanics
 +
* Closed loop double capstan shaft system by direct drive
 +
* Stable tape transport mechanism with wide tape guides
 +
* Automatic monitoring system
 +
* Automatic belt tensioning system
 +
* Partial unloading system
 +
* Useful record cancel and mute system * Repeat playback function of a section
 +
* Repeat playback function of a section between 2 points
 +
* Large concentrated FL display with indicator on/off function to reduce unwanted noise
 +
* Peak level meter with peak hold system
 +
* Recording calibration system with premagnetization and level controls
 +
* Separate block construction
 +
* Highly stable design
 +
* Remote controlable with optional remote control (RC-G95)
 +
* Timer start function
 +
* Easy-to-operate large-diameter recording level control
 +
* Digital time/tape counter
 +
* Counter memory stop system
 +
* Automatic playback system
 +
* 16-title IPSS system
 +
* Recording level indication system
 +
* Independent switch for multiplex filter
 +
* Switch and input jacks for CD/DAT Direct
 +
* Headphone jack and level control
 +
* Automatic Tape Selection System
  
saubere trennung zwischen signalteil und steuerungsteil durch horizontal aufgeteiltes doppelgehäuse
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== Notes ==
gx 75 hatte gleichlaufprobleme zwischen rechts und links gx75mkII nicht
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* Other models in the same series:
cd-direct eingang für höheren pegel aus cd-playern daher extrem sauberer klang ohne pegelabsenkung
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** [[Akai GX-R 35]]
gx75 keine fernbedienung serienmässig gx95 serienmässig mitgeliefert
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** [[Akai GX-65]]
gx75 laufwerk ohne extra andruckplatte gegen cassettenvibrationen
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** [[Akai GX-75]]
gx75mkII laufwerk mit andruckplatte
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** [[Akai GX-95]]
play geschwindigkeit lässt sich auf 50% schalten.
 
vorteil: exaktes herausschneiden von z.B. Radiosprechern durch A-B-Markierung
 
der versatz von lösch-, aufname- und wiedergabekopf wird automatisch berücksichtigt!
 
  
== Bilder ==
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== Pictures ==
 +
* [[File:Akai GX-75
 +
[[File:AKAI GX-75a.png]]
 +
 
 +
 
 +
* Image: Akai GX-75
 +
[[File:AKAI GX-75b.jpg]]
 +
 
 +
<gallery>
 +
File:RC-G95a.jpg|Picture: Akai GX-75 remote control
 +
File:Akai AM-AT-52-CD-62-GX-75-Prospectus-19891.jpg|Extract from brochure: Akai AM-52, AT-52, CD-62, GX-75
 +
</gallery>
 +
 
 +
== Reviews ==
 +
* Very good mechanics
 +
 
 +
* Audio 2/1989: Test winner 80 points = top class "4 ears".
 +
 
 +
 
 +
* Clean separation between analogue board of the signal part and the drive control by horizontally divided double housing
 +
* GX-75 had sometimes synchronisation problems between right and left, GX-75 Mk II not anymore
 +
* CD-Direct input for higher level from CD players, therefore extremely clean sound without level reduction
 +
* No remote control as standard (GX-95 supplied as standard)
 +
* GX-75 without extra pressure plate in cassette compartment (against cassette vibrations)
 +
* GX-75 MKII with pressure plate in the cassette compartment
 +
* Play speed can be switched to 50% by pressing and holding the play button. Advantage: exact cutting of e.g. radio speakers by A-B marking, the offset of erasing, recording and playback head is automatically taken into account!
  
== Berichte ==
 
  
 
== Links ==
 
== Links ==
  
[[Kategorie:Kassettendecks]]
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 +
[[Category:Cassette decks]]

Latest revision as of 17:00, 3 March 2020

Data[edit]

General

  • Manufacturer: Akai
  • Model: GX-75
  • Type: Cassette Tape Deck
  • Years of manufacture: 1988 - 1990
  • Made in: Japan
  • Color: Black
  • Remote control: optional (RC-G95)
  • Dimensions: 425 x 154 x 350 mm (WxHxD)
  • Weight: 9.2 kg
  • Original price approx.: DM 999,- (€ 500,-)


Connections

  • Number of inputs:
    • LINE: 70 mV / 47 kOhm

CD/DAT DIRECT IN: 240 mV / 47 kOhm

  • Number of outputs:
    • LINE: 388 mV / 150 kOhm
    • Headphones: 1.3 mV (8 Ohm)


Specifications

  • Tone heads:
    • 1x LC-OFC Super GX sound head for playback.
    • 1x LC-OFC Super GX sound head for recording
    • 1x erase head
  • motors:
    • 1x FG Servo DD electronically speed controlled DC motor for drive shaft drive.
    • 1x DC motor for coil drive
    • 1x DC motor for cam drive and for belt ejection/loading
  • Synchronization fluctuations: 0.025% WRMS, 0.04% (DIN)
  • Belt types: Normal, CrO₂ and Metal.
  • Frequency response:
    • Normal: 20 to 19,000 Hz ±3dB.
    • CrO₂: 20 to 20,000 Hz ±3dB

Metal: 20 to 21,000 Hz ±3dB

  • Distortion factor: < 0.6 % (for metal)
  • Signal-to-noise ratio:
    • 59 dB (measured over tape at recording peak level).
    • Dolby™ NR Type B on: improved by 5 dB at 1 kHz, 10 dB above 5 kHz.
    • Dolby™ NR Type C on: improved by 15 dB at 500 Hz, 20 dB at 1 kHz to 10 kHz.
  • Auto Reverse: no
  • Title search: 16 titles with IPSS function.
  • Dolby™: B, C and HX PRO.
  • MPX filter: yes
  • Fader: no
  • Pitch control:
  • CD synchro recording: no


Special Features

  • 3-tone head system, Super GX tone heads incorporating LC-OFC (linear crystal/oxygen-free copper).
  • Microprocessor-controlled turntable with "Power-Eject" and extremely quiet mechanics
  • Closed loop double capstan shaft system by direct drive
  • Stable tape transport mechanism with wide tape guides
  • Automatic monitoring system
  • Automatic belt tensioning system
  • Partial unloading system
  • Useful record cancel and mute system * Repeat playback function of a section
  • Repeat playback function of a section between 2 points
  • Large concentrated FL display with indicator on/off function to reduce unwanted noise
  • Peak level meter with peak hold system
  • Recording calibration system with premagnetization and level controls
  • Separate block construction
  • Highly stable design
  • Remote controlable with optional remote control (RC-G95)
  • Timer start function
  • Easy-to-operate large-diameter recording level control
  • Digital time/tape counter
  • Counter memory stop system
  • Automatic playback system
  • 16-title IPSS system
  • Recording level indication system
  • Independent switch for multiplex filter
  • Switch and input jacks for CD/DAT Direct
  • Headphone jack and level control
  • Automatic Tape Selection System

Notes[edit]

Pictures[edit]

  • [[File:Akai GX-75

AKAI GX-75a.png


  • Image: Akai GX-75

AKAI GX-75b.jpg

Reviews[edit]

  • Very good mechanics
  • Audio 2/1989: Test winner 80 points = top class "4 ears".


  • Clean separation between analogue board of the signal part and the drive control by horizontally divided double housing
  • GX-75 had sometimes synchronisation problems between right and left, GX-75 Mk II not anymore
  • CD-Direct input for higher level from CD players, therefore extremely clean sound without level reduction
  • No remote control as standard (GX-95 supplied as standard)
  • GX-75 without extra pressure plate in cassette compartment (against cassette vibrations)
  • GX-75 MKII with pressure plate in the cassette compartment
  • Play speed can be switched to 50% by pressing and holding the play button. Advantage: exact cutting of e.g. radio speakers by A-B marking, the offset of erasing, recording and playback head is automatically taken into account!


Links[edit]