Stereophonic Receiver 2270
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| Year: 1972–1975 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Semiconductors (the count is only for transistors) | Semiconductors present. |
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| Main principle | Superheterodyne (common); ZF/IF 455/10700 kHz | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Wave bands | Broadcast (BC) and FM or UHF. | ||||||||||||||||||||||||||||||||||||||||||||||||
| Details | Hi-Fi equipment | ||||||||||||||||||||||||||||||||||||||||||||||||
| Power type and voltage | Alternating Current supply (AC) / 110; 120; 220; 240 Volt | ||||||||||||||||||||||||||||||||||||||||||||||||
| Loudspeaker | - This model requires external speaker(s). | ||||||||||||||||||||||||||||||||||||||||||||||||
| Power out | 140 W (210 W max.) | ||||||||||||||||||||||||||||||||||||||||||||||||
| from Radiomuseum.org | Model: Stereophonic Receiver 2270 - Marantz Sound United LLC; | ||||||||||||||||||||||||||||||||||||||||||||||||
| Material | Metal case | ||||||||||||||||||||||||||||||||||||||||||||||||
| Shape | Book-shelf unit. | ||||||||||||||||||||||||||||||||||||||||||||||||
| Dimensions (WHD) | 17.328 x 5.39 x 14 inch / 440 x 137 x 356 mm | ||||||||||||||||||||||||||||||||||||||||||||||||
| Notes | A hi-fi stereo receiver with an AM/FM stereo tuner with analogue dial and an integrated amplifier with power output of 2 x 70 watts RMS into 8 ohms, housed in a metal cabinet (a WC-22 walnut cabinet optional). The preamplifier and power amplifier sections can be separated. With Signal Strength and FM Tuning meters, jacks for headphones and Dubbing, Gyro Touch tuning, Bass, Mid and treble tone controls, Hi Blend, Low & Hi Filters, Loudness, Mono, Muting, Main & Remote Speakers. On the back, an AM ferrite rod antenna, AM and FM antennae terminals, RCA phono sockets for input phono1 and 2 (MM) and Aux, for input/output for 2 Tapes, for FM Quadradial output, Main In/Pre Out, terminals for 2 pairs of loudspeakers, switched and unswitched AC outlets.
Versions/Power requirements Power consumption: 500 W Das Spitzenmodell der für das Modelljahr 1972 vorgestellten 22xx Serie. Dieses Gerät wurde mit kleinen Änderungen bis 1975 gebaut. Es gab gravierte oder bedruckte, alu- oder champagnerfarbene ("gold-anodized") Frontblenden. Die Ausgangsleistung des 2270 wurde vom Hersteller, sehr konservativ, mit 2 x 70 Watt Dauerleistung bzw 2 x 105 Watt Musikleistung, nach RMS (20-20.000Hz) an 8 Ohm angegeben. Ein zeitgenössischer Test der HiFi Stereofonie vom Juli 1973 ergab eine Dauerleistung von 2 x 90 Watt an 8 Ohm. An 4 Ohm wurden, mit einem Klirrfaktor von unter 1%, 2 x 140 Watt gemessen. 3-fache, kanalgetrennte, Klangregelung, Vor und Endstufe auftrennbar, Mittenanzeige, Feldstärkeanzeige umschaltbar als Reflexionsanzeige ("Multipath") zur Einstellung einer motorbetriebenen Außenantenne. Leistungsaufnahme 500 Watt. Designed in USA, Produced in Japan |
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| Net weight (2.2 lb = 1 kg) | 38.5 lb (38 lb 8 oz) / 17.479 kg | ||||||||||||||||||||||||||||||||||||||||||||||||
| Price in first year of sale | 2'895.00 DM | ||||||||||||||||||||||||||||||||||||||||||||||||
| Mentioned in | -- Original prospect or advert (HiFi Jahrbuch 7 (1972), Bedienungsanleitung) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Literature/Schematics (1) | -- Original prospect or advert (1972 Marantz Stereo Receivers catalogue) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Literature/Schematics (2) | - - Manufacturers Literature (Service manual Marantz 2270) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Literature/Schematics (3) | - - Manufacturers Literature (Handbook of Instructions Marantz 2270) |
Model page created by Ralf Kläs. See "Data change" for further contributors.
All listed radios etc. from Marantz (Sound United LLC); Vista, CA
Here you find 539 models, 530 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
