Stereo 2 + Quadradial 4 Receiver 4270
Marantz (Sound United LLC); Vista, CA
- Land
- USA
- Hersteller / Marke
- Marantz (Sound United LLC); Vista, CA
- Jahr
- 1973–1977
- Kategorie
- Rundfunkempfänger (Radio - oder Tuner nach WW2)
- Radiomuseum.org ID
- 230465
- Anzahl Transistoren
- Halbleiter vorhanden.
- Halbleiter
- Hauptprinzip
- Superhet allgemein; ZF/IF 455/10700 kHz
- Wellenbereiche
- Mittelwelle und UKW (FM).
- Spezialitäten
- Fernbed/-steuerung (Radio etc.)
- Betriebsart / Volt
- Wechselstromspeisung / 110; 120; 220; 240 Volt
- Lautsprecher
- - Dieses Modell benötigt externe(n) Lautsprecher.
- Belastbarkeit / Leistung
- 140 W (sinus/unverzerrt)
- Material
- Metallausführung
- von Radiomuseum.org
- Modell: Stereo 2 + Quadradial 4 Receiver 4270 - Marantz Sound United LLC;
- Form
- Regalgerät wie HiFi-Komponente für Bücherwand.
- Abmessungen (BHT)
- 440 x 137 x 365 mm / 17.3 x 5.4 x 14.4 inch
- Bemerkung
-
A stereo/quadradial receiver with an AM/FM tuner and integrated amplifier with power output of 2 x 70 watts RMS into 8 ohms or 4 x 25 watts RMS into 8 ohms, housed in a metal case (a wooden case an optional extra). Preamplifier and Power amplifier sections can be separated. With a "Vari-Matrix" circuit which simulates 4 channel sound from 2 channel stereo sound and will reproduce any discrete 4 channel program as well as stereo and mono. Also optional plug-in SQ decoders for any specific matrix system eg: the Marantz SQA-1 SQ Adaptor for the CBS SQ system. PLL FM stereo MPX decoder. Built-in 2 channel Dolby unit. Meters for Signal Strength/Dolby output Level and FM Tuning, gyro-touch tuning wheel, Bass, Mid and Treble rotary tone controls. On the rear, a DIN socket for optional RC-4 wired remote control, terminals for AM and FM antennae, an AM ferrite rod aerial, input sockets for Phono, Tape 1, Tape 2 and CD-4 Aux, a Power Mode switch for 2 x 70 watts stereo or 4 x 25 watts quadrophonic output, 16 terminals for 8 pairs of loudspeakers, (4 Front, 4 Rear), two jacks for Headphones, front and rear, etc.
Specification FM Section Tuning Frequency Range 88-108MHz IHFM Usable Sensitivity 2.3µV IHF Selectivity 60dB Capture Ratio 1.6dB Image Rejection Ratio at 106MHz 70dB Signal to Noise Ratio 70dB (Mono), 60dB (Stereo) Total Harmonic Distortion 0.2% (Mono), 0.3% (Stereo) Frequency Response 30Hz-15kHz ±1dB Stereo Separation at 1KHz 40dB Quadradial Output (400Hz 75kHz dev.) 300mV AM Section Tuning Frequency Range 540-1605kHz Usable Sensitivity 30µV Selectivity 26dB Image Rejection Ratio at 1400kHz 70dB Signal to Noise Ratio 45dB Frequency Response (-6dB) 50Hz-3.5kHz Total Harmonic Distortion 1% Audio Section Rated Continuous (RMS) Output
all channels driven at 40Hz-20kHz
for Less than 0.3% harmonic distortion25W into 8Ω
25W into 4Ω
13W into 16ΩIntermodulation distortion Less than 0.3% harmonic distortion Input Impedance/Sensitivity Phono
Line47kΩ/2.2mV for 25W output
100kΩ/150mV for 25W outputFrequency Response 20Hz-20kHz ±1.0dB at 1W output Damping Factor More than 45 at 8Ω Versions/Power requirements
120V AC 50/60Hz
220V AC 50Hz
110/120/220/240V AC 50/60Hz with voltage selectorPower consumption: 400 watts
Designed in USA, Produced in Japan
Dauerleistung 2 x 70 Watt oder (wahlweise) 4 x 25 Watt (20 - 20.000Hz an 8 Ohm).
- Nettogewicht
- 18.6 kg / 40 lb 15.5 oz (40.969 lb)
- Literaturnachweis
- -- Original prospect or advert (1976-77 Hauptkatalog and two 1977 Marantz catalogues)
- Literatur/Schema (1)
- - - Manufacturers Literature (Service manual Marantz 4270)
- Literatur/Schema (2)
- Funk-Technik (FT) (21/1973, S. 798 / Neuvorstellung, Messe Berlin)
- Literatur/Schema (3)
- - - Manufacturers Literature (Handbook of Instructions Marantz 4270)
- Autor
- Modellseite von Peter Hoddow angelegt. Siehe bei "Änderungsvorschlag" für weitere Mitarbeit.
- Weitere Modelle
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Sammlungen
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