Difference between revisions of "JVC CF-7070"

 
(4 intermediate revisions by the same user not shown)
Line 1: Line 1:
 
__NOTOC__
 
__NOTOC__
== Daten ==
+
== Data ==
{{Navigation}}
+
{{navigation}}
'''Allgemein:'''
+
'''General:'''
* Hersteller: Victor ([[JVC]])
+
* Manufacturer: Victor ([[JVC]])
* Modell: CF-7070
+
* Model: CF-7070
* Modellreihe: Laboratory
+
* Model series: Laboratory
* Typ: Aktive Frequenzweiche
+
* Type: Active crossover
* Baujahre: 1977 - 1980
+
* Years of manufacture: 1977 - 1980
* Hergestellt in: Japan
+
* Made in: Japan
* Farbe: Silber
+
* Color: Silver
* Fernbedienung: -
+
* Remote control: -
* Leistungsaufnahme: 15 W
+
* Power consumption: 15 W
* Abmessungen: 420 x 61 x 348 mm
+
* Dimensions: 420 x 61 x 348 mm
* Gewicht: 6 kg
+
* Weight: 6 kg
* Neupreis ca.: 105'000 Yen (Japan, 1977), 1'600 DM
+
* Original price approx.: 105'000 Yen (Japan, 1977), 1'600 DM
** Optionale Rackgriffe BH-50: 3'500 Yen, 50 DM
+
** Optional rack handles BH-50: 3'500 Yen, 50 DM
  
  
'''Anschlüsse'''
+
'''Technical Data'''
* Anzahl der Eingänge: 1
+
* Filter modes: LPF-HPF, BPF, 3D 
** Line: 100kOhm
+
* Crossover frequencies: 90, 180, 300, 500, 800, 1.2 k, 2 k, 3.5 k, 5 k, 8 k, 12 k Hz (independent of selection LPF, HPF)
* Anzahl der Ausgänge: 4
+
* In AUX position any frequency setting is possible
** Low: 190 Ohm
+
* Slope characteristics: 12 dB / octave, OFF, PASS (independent of LPF, HPF selection)
** Mid-Low: 90 Ohm
+
* 3D position switchable: 6 dB / octave, 12 dB / octave, 24 dB / octave
** Mid-High: 90 Ohm
+
* Q characteristics: 0.7, 0.5 (independent of LPF, HPF selection)
** High: 70 Ohm
+
* Phase shift switchable: 180°.
* Max. Ausgangsspannung: 10 V
+
* Level control: 0 to -30 dB continuously adjustable (L / R independent) 
* Max. Ausgangsimpedanz: 4 kOhm
+
* Input selectable: LPF, HPF, phase shifting
 +
* Input impedance: 330 kOhm
 +
** LPF and HPF inputs can be connected internally via input mode switch
 +
* Output voltage: 2 V, max. 10 V
 +
* Output impedance:  
 +
** Fixed: 270 ohms
 +
Variable: max. 2.5 kOhm
 +
* Frequency response: 10 Hz - 100 kHz, + 0 - 1 dB
 +
* Harmonic distortion: 0.003 % (at 2 V)
 +
* Noise margin: 105 dB (IHF-A, input short-circuited, 2 V output voltage) 
  
  
'''Technische Daten'''
+
== Notes ==
* Frequenzgang: 10Hz - 100Khz (+0 / -1dB)
+
* Other models in the same series:
* Klirrfaktor: 0,005% (20Hz - 20Khz bei 1V)
+
* Preamplifier:
* Signalrauschabstand: 100dB (1V Output)
 
* Stereokanaltrennung: 50,5dB (High Outputs)
 
* Klangregelung Einstellmöglichkeiten:
 
** LOW & MID-LOW Übergangsfrequenzen: 63 / 80 / 100 / 125 / 160 / 200 / 250 / 320 / 400 / 500 / 630Hz
 
** MID-LOW & MID-HIGH Übergangsfrequenzen: 320 / 400 / 500 / 630 / 800 / 1k / 1,25k / 1,6k / 2k / 2,5k / 3,2Khz
 
** MID-HIGH & HIGH Übergangsfrequenzen: 1,6k / 2k / 2,5k / 3,2k / 4k / 5k / 6k / 8k / 10k / 12,5k / 16Khz
 
** Flankensteilheit wählbar: 6 oder 12 oder 18dB per Oktave
 
 
 
 
 
'''Besondere Ausstattungen'''
 
* In Schalterstellung „Flat“ lassen sich die Tief-Mittelton- und Mittel-Hochton-Teilbereiche überbrücken, so dass man dann eine 3-Weg oder 2-Weg-Frequenzweiche erhält
 
 
 
 
 
== Bemerkungen ==
 
* Weitere Modelle der gleichen Serie:
 
* Vorverstärker:
 
 
* [[JVC JP-S7]]
 
* [[JVC JP-S7]]
 
* [[JVC P-1100]]
 
* [[JVC P-1100]]
 
* [[JVC P-2020]]
 
* [[JVC P-2020]]
 
* [[JVC P-3030]]
 
* [[JVC P-3030]]
* [[JVC P-7070]]
 
  
  
* Endverstärker:
+
* [[power amplifier]]
 
* [[JVC M-1100]]
 
* [[JVC M-1100]]
 
* [[JVC M-2020]]
 
* [[JVC M-2020]]
Line 64: Line 56:
  
  
* Tuner:
+
* [[tuner]]
 
* [[JVC T-2020]]
 
* [[JVC T-2020]]
 
* [[JVC T-3030]]
 
* [[JVC T-3030]]
Line 70: Line 62:
  
  
* Equalizer:
+
* [[equalizer]]
 
* [[JVC SEA-7070]]
 
* [[JVC SEA-7070]]
  
  
* Phono Vorverstärker:
+
* Phono preamplifier:
 
* [[JVC EQ-7070]]
 
* [[JVC EQ-7070]]
  
  
* Frequenzweiche:
+
* Crossover:
 
* [[JVC CF-380]]
 
* [[JVC CF-380]]
 
* [[JVC CF-7070]]
 
* [[JVC CF-7070]]
  
  
* Anzeigeinstrument:
+
* Display instrument:
 
* [[JVC DS-7070]]
 
* [[JVC DS-7070]]
  
  
 
* Tape Deck:
 
* Tape Deck:
* [[JVC KD-2020]] (baugleich mit [[JVC KD-75]])
+
* [[JVC KD-2020]] (identical in construction to [[JVC KD-75]])
* [[JVC KD-3030]] (baugleich mit [[JVC KD-95]])
+
* [[JVC KD-3030]] (identical in construction with [[JVC KD-95]])
  
  
* Elcaset Modell:
+
* Elcaset model:
 
* [[JVC LD-777]]
 
* [[JVC LD-777]]
  
  
* Plattenspieler:
+
* Record player:
 
* [[JVC QL-7]]
 
* [[JVC QL-7]]
 
* [[JVC QL-10]]
 
* [[JVC QL-10]]
  
  
* Plattenspieler Laufwerke:
+
* Turntable drives:
 
* [[JVC TT-71]]
 
* [[JVC TT-71]]
 
* [[JVC TT-81]]
 
* [[JVC TT-81]]
Line 108: Line 100:
  
  
== Bilder ==
+
== Pictures ==
* Auszug aus Prospekt: JVC / Victor CF-7070
+
* Extract from brochure: JVC / Victor CF-7070
[[Datei:JVC CF-7070-1977.jpg]]
+
[[File:JVC CF-7070-Prospekt-1978.jpg]]
  
  
== Berichte ==
+
== Reports ==
  
  
Line 119: Line 111:
  
  
[[Kategorie:Aktive Frequenzweichen]]
+
[[Category:Active crossovers]]

Latest revision as of 10:59, 27 November 2020

Data[edit]

General:

  • Manufacturer: Victor (JVC)
  • Model: CF-7070
  • Model series: Laboratory
  • Type: Active crossover
  • Years of manufacture: 1977 - 1980
  • Made in: Japan
  • Color: Silver
  • Remote control: -
  • Power consumption: 15 W
  • Dimensions: 420 x 61 x 348 mm
  • Weight: 6 kg
  • Original price approx.: 105'000 Yen (Japan, 1977), 1'600 DM
    • Optional rack handles BH-50: 3'500 Yen, 50 DM


Technical Data

  • Filter modes: LPF-HPF, BPF, 3D
  • Crossover frequencies: 90, 180, 300, 500, 800, 1.2 k, 2 k, 3.5 k, 5 k, 8 k, 12 k Hz (independent of selection LPF, HPF)
  • In AUX position any frequency setting is possible
  • Slope characteristics: 12 dB / octave, OFF, PASS (independent of LPF, HPF selection)
  • 3D position switchable: 6 dB / octave, 12 dB / octave, 24 dB / octave
  • Q characteristics: 0.7, 0.5 (independent of LPF, HPF selection)
  • Phase shift switchable: 180°.
  • Level control: 0 to -30 dB continuously adjustable (L / R independent)
  • Input selectable: LPF, HPF, phase shifting
  • Input impedance: 330 kOhm
    • LPF and HPF inputs can be connected internally via input mode switch
  • Output voltage: 2 V, max. 10 V
  • Output impedance:
    • Fixed: 270 ohms

Variable: max. 2.5 kOhm

  • Frequency response: 10 Hz - 100 kHz, + 0 - 1 dB
  • Harmonic distortion: 0.003 % (at 2 V)
  • Noise margin: 105 dB (IHF-A, input short-circuited, 2 V output voltage)


Notes[edit]












Pictures[edit]

  • Extract from brochure: JVC / Victor CF-7070

JVC CF-7070-Prospekt-1978.jpg


Reports[edit]

Links[edit]