Difference between revisions of "Nikko Gamma I"

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'''Marke''': [[Nikko]]  
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__NOTOC__
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== Data ==
 +
{{navigation}}
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'''General'''
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* Manufacturer: [[Nikko]]
 +
* Model: Gamma I
 +
* Type: Tuner
 +
* Years of construction: 1977 - 1981
 +
* Made in: Japan
 +
* Color: black, silver, wooden case optionally available
 +
* Remote control: no
 +
* Power consumption: 18 W
 +
* Dimensions: 483 x 64 x 250 mm (WxHxD)
 +
* Weight: 5.5 kg
 +
* Original price approx.: 898 DM
 +
 
 +
 
 +
'''Connections'''
 +
* Number of inputs:
 +
** Antenna FM / MW: 75 Ohm, 300 Ohm
 +
* Number of outputs:
 +
** Line Out Fixed: 650 mV
 +
** Line Out Variable: 0 - 1'300 mV
 +
 
 +
 
 +
'''Technical Data'''
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* Reception: VHF
 +
* Frequencies:
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** VHF: 87 - 108 MHz
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* Sensitivity:
 +
** Wide E: 10.3 dBf, 1.8 µV
 +
** Narrow E: 10.3 dBf, 1.8 µV
 +
* Attenuation sensitivity of 60 dB:
 +
** Mono 14 dBf
 +
** Stereo 34 dBf
 +
* Distortion T, HZ at 65 dBf:
 +
** Mono:
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*** Wide: 0.04 %
 +
Narrow: 0.08 %
 +
Stereo:
 +
*** Wide 0.06 %
 +
Narrow 0.2
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* Frequency response: 30 to 15 kHz; + 0.4 - 0.8 dB
 +
* Input ratio:
 +
** Wide: 1.0 dB
 +
Narrow: 1.5 dB
 +
* Alternating channel selectivity (-400 kHz):
 +
** Wide: 35 dB
 +
Narrow: 80 dB
 +
* Noise reproduction ratio: 110 dB
 +
* IF Reception Ratio: 110 dB
 +
* IF Reception Ratio: 110 dB
 +
* AM rejection ratio: 60 dB
 +
* Stereo separation:
 +
** at 1 kHz:
 +
*** Wide: 55 dB
 +
Narrow: 46 dB
 +
** at 50 to 10 kHz:
 +
*** Wide: 35 dB
 +
*** Narrow: 32 dB
 +
* Subcarrier product ratio: 65 dB
 +
* Attenuation threshold: 10 dBf
 +
 
 +
 
 +
'''Special Features'''
 +
* Illuminated VU meters
 +
** Power adjustment of the VU meters in 4 steps: 0 dB, - 6 dB, - 12 dB, - 24 dB
 +
 
 +
 
 +
== Remarks ==
 +
* Preamplifiers of the same series:
 +
* [[Nikko Beta I]]
 +
* [[Nikko Beta II]]
 +
 
  
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'''Modell''': Gamma I
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* Power amplifiers of the same series:
−
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* [[Nikko Alpha I]]
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Hergestellt in: Japan
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* [[Nikko Alpha II]]
−
 
−
== Technische Daten ==
 
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*Leistungsverbrauch: 18 W
 
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*Brauchbare Empfindlichkeit:
 
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**Weite E: 10,3 dBf, 1,8 µV
 
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**Schmale E: 10,3 dBf, 1,8 µV
 
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*Dämpfempfindlichkeit von 60 dB:
 
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**Mono 14 dBf
 
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**Stereo 34 dBf
 
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*Verzerrung T, HZ bei 65 dBf:
 
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**Mono:
 
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***Weit: 0,04 %
 
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***Schmal: 0,08 %
 
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**Stereo:
 
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***Weit 0,06 %
 
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***Schmal 0,2 %
 
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*Frequenzwiedergabe: 30 bis 15 kHz; + 0,4 – 0,8 dB
 
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*Eingangsverhältnis:
 
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**Weit: 1,0 dB
 
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**Schmal: 1,5 dB
 
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*Wechselkanal-Trennschärfe (-400 kHz):
 
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**Weit: 35 dB
 
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**Schmal: 80 dB
 
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*Störwiedergabeverhältnis: 110 dB
 
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*Spiegelfrequenzempfangsverhältnis: 110 dB
 
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*IF-Empfangsverhältnis: 110 dB
 
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*AM-Unterdrückungsverhältnis: 60 dB
 
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*Stereo-Trennung:
 
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**bei 1 kHz:
 
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***Weit: 55 dB
 
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***Schmal: 46 dB
 
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**bei 50 bis 10 kHz:
 
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***Weit: 35 dB
 
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***Schmal: 32 dB
 
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*Unterträger Produktverhältnis: 65 dB
 
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*Dämpfungsschwelle: 10 dBf
 
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*Antennen Impedanz: 75 Ohm und 300 Ohm
 
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*Ausgangspegel:
 
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**Veränderlich 0-1,3 V; 1 kHz: 100 %
 
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**Fester 0,65 V; 1 kHz: 100%
 
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*Maße (B x H x T): 482 x 64 x 250 mm 
 
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*Gewicht: 5,5 kg
 
  
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== Bemerkungen ==
 
−
Weitere Modelle der gleichen Serie:
 
  
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== Bilder ==
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* Tuners of the same series:
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[[Datei:Nikko Gamma I.jpg]]
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* [[Nikko Gamma I]]
−
== Testberichte ==
+
 
 +
 
 +
== Pictures ==
 +
* Image: Nikko Gamma I
 +
[[File:Nikko Gamma I.jpg]]
 +
 
 +
 
 +
* Image: Nikko Alpha I / Beta I / Gamma I in silver.
 +
[[File:Nikko Alpha-Beta-Gamma-1-1.jpg]]
 +
 
 +
 
 +
* Excerpt from US advertisement: Nikko Alpha II, Alpha V, Beta I, Beta II, Beta V, Gamma I.
 +
[[File:Nikko Alpha-Beta-I-II-Alpha-II-V-Gamma-I-Werbung-1977.jpg]]
 +
 
 +
 
 +
* Excerpt from advertisement: Nikko Alpha II / Beta I / Gamma I in black
 +
[[File:Nikko Alpha II-Beta I-Gamma I-Werbung-1.jpg]]
 +
 
 +
 
 +
== Reviews ==
 +
 
  
 
== Links ==
 
== Links ==
  
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[[Kategorie:Tuner]]
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__NOTOC__
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[[Category:Tuner]]

Latest revision as of 00:52, 16 April 2020

Data

General

  • Manufacturer: Nikko
  • Model: Gamma I
  • Type: Tuner
  • Years of construction: 1977 - 1981
  • Made in: Japan
  • Color: black, silver, wooden case optionally available
  • Remote control: no
  • Power consumption: 18 W
  • Dimensions: 483 x 64 x 250 mm (WxHxD)
  • Weight: 5.5 kg
  • Original price approx.: 898 DM


Connections

  • Number of inputs:
    • Antenna FM / MW: 75 Ohm, 300 Ohm
  • Number of outputs:
    • Line Out Fixed: 650 mV
    • Line Out Variable: 0 - 1'300 mV


Technical Data

  • Reception: VHF
  • Frequencies:
    • VHF: 87 - 108 MHz
  • Sensitivity:
    • Wide E: 10.3 dBf, 1.8 µV
    • Narrow E: 10.3 dBf, 1.8 µV
  • Attenuation sensitivity of 60 dB:
    • Mono 14 dBf
    • Stereo 34 dBf
  • Distortion T, HZ at 65 dBf:
    • Mono:
      • Wide: 0.04 %

Narrow: 0.08 % Stereo:

      • Wide 0.06 %

Narrow 0.2

  • Frequency response: 30 to 15 kHz; + 0.4 - 0.8 dB
  • Input ratio:
    • Wide: 1.0 dB

Narrow: 1.5 dB

  • Alternating channel selectivity (-400 kHz):
    • Wide: 35 dB

Narrow: 80 dB

  • Noise reproduction ratio: 110 dB
  • IF Reception Ratio: 110 dB
  • IF Reception Ratio: 110 dB
  • AM rejection ratio: 60 dB
  • Stereo separation:
    • at 1 kHz:
      • Wide: 55 dB

Narrow: 46 dB

    • at 50 to 10 kHz:
      • Wide: 35 dB
      • Narrow: 32 dB
  • Subcarrier product ratio: 65 dB
  • Attenuation threshold: 10 dBf


Special Features

  • Illuminated VU meters
    • Power adjustment of the VU meters in 4 steps: 0 dB, - 6 dB, - 12 dB, - 24 dB


Remarks




Pictures

  • Image: Nikko Gamma I

Nikko Gamma I.jpg


  • Image: Nikko Alpha I / Beta I / Gamma I in silver.

Nikko Alpha-Beta-Gamma-1-1.jpg


  • Excerpt from US advertisement: Nikko Alpha II, Alpha V, Beta I, Beta II, Beta V, Gamma I.

Nikko Alpha-Beta-I-II-Alpha-II-V-Gamma-I-Werbung-1977.jpg


  • Excerpt from advertisement: Nikko Alpha II / Beta I / Gamma I in black

Nikko Alpha II-Beta I-Gamma I-Werbung-1.jpg


Reviews

Links

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