Stereo 2 + Quadradial 4 Receiver 4240
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Marantz Sound United: Stereo 2 + Quadradial 4 Receiver 4240 [Radio] ID = 792675 900x425
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| Year: 1973–1976 ? | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Semiconductors (the count is only for transistors) | Semiconductors present. |
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| Main principle | Superheterodyne (common) |
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| Wave bands | Broadcast (BC) and FM or UHF. |
| Details | Other Combination - see Notes |
| Power type and voltage | Alternating Current supply (AC) / 110; 120; 220; 240 Volt |
| Loudspeaker | - This model requires external speaker(s). |
| Power out | 200 W (unknown quality) |
| from Radiomuseum.org | Model: Stereo 2 + Quadradial 4 Receiver 4240 - Marantz Sound United LLC; |
| Material | Metal case |
| Shape | Chassis only or for «building in» |
| Dimensions (WHD) | 441 x 137 x 385 mm / 17.4 x 5.4 x 15.2 inch |
| Notes | The Marantz Model 4240 is a high quality stereo + quadradial receiver. The model 4240 incorporates Marantz's exclusive Vari-matrix circuit which simulates 4-channel sound from normal 2-channel stereo programs, and is capable or reproducing 4-channel sound from any matrix encoded source. The 4240 will also reproduce any discrete 4-channel program as well as regular stereo and monaural programs. An optional plug-in decoder adapts the 4240 for any specific matrix system such as Columbias SQ. Specifications: FM tuning range: 88 to 108 MHz, AM tuning range: 540 to 1605 KHz, Power output: 68 watts into 8 ohms (17 watts x 4), Damping factor: 20 (2 channel), 40 (4 channel). |
| Net weight (2.2 lb = 1 kg) | 15.1 kg / 33 lb 4.2 oz (33.26 lb) |
| Price in first year of sale | 1'200.00 DM |
| Source of data | - - Data from my own collection |
| Mentioned in | Funk-Technik (FT) (21/1973, S. 798 / Neuvorstellung, Messe Berlin) |
Model page created by Karlheinz Fischer. 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.
