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| − | __NOTOC__
| + | {{Löschkandidat}} |
| − | == Data ==
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| − | {{navigation}} | |
| − | '''General'''
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| − | * Manufacturer: [[Marantz]]
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| − | * Model: 4230
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| − | * Type: Stereo / Quadro receiver
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| − | * Years of manufacture: 1973 - 1978
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| − | * Made in: Japan
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| − | * Color: Silver / Brown
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| − | * Remote control: RC4 Remote Control
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| − | * Power consumption: full load 650W, idle 50W
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| − | * Dimensions: 441 x 137 x 385 mm (WxHxD)
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| − | * Weight: 15 kg
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| − | * Original price approx.: 1'798 DM
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| − | * New price remote control RC4: 200 DM
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| − | '''Connections'''
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| − | * Number of inputs:
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| − | ** 2*Tape (150mV/100kOhm)
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| − | 1*Aux (150mV/100kOhm)
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| − | ** 1*Phono (2mV/47kOhm)
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| − | * Number of outputs:
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| − | ** 2*Tape (1V in 47kOhm).
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| − | ** 1*pre-out (900Ohm)
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| − | ** 2*Headphones (6,3mm jack)
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| − | ** 4 pairs of speakers
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| − | '''Technical Specifications'''
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| − | ''Audio''
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| − | * Output power (at distortion)
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| − | Stereo: 2*35W / 0,15%
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| − | Quadrophonic: 4*17W / 0,15%
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| − | * Attenuation factor: 50
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| − | * Frequency response: 20 - 20'000 Hz, ±1 dB
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| − | * Distortion factor: 0.5%
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| − | * Signal-to-noise ratio:
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| − | * Tone control:
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| − | ** Bass: ±10dB at 50Hz
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| − | ** Mid: ±10dB at 700Hz
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| − | Treble: ±10dB at 15kHz
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| − | * Loudness: 7dB at 100Hz, 4dB at 10kHz
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| − | * High Filter: 10kHz, 6dB per octave
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| − | * Low Filter: 100Hz, 6dB per octave
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| − | * Mute: -
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| − | ''Sound Formats''
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| − | * Dolby
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| − | * DolbyFM
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| − | ''Tuner''
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| − | * Reception: (FM/MW)
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| − | * Frequencies:
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| − | ** FM: 88-108MHz
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| − | ** MW: 540-1602kHz
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| − | * Frequency response:
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| − | * Input sensitivity: 1.9µV
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| − | Distortion: 0.3% (stereo), 0.2% (mono)
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| − | Signal to Noise Ratio: greater than 90dB
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| − | * Channel separation: greater than 40dB
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| − | * Selectivity: greater than 75dB
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| − | * Co-wave selection: 70dB
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| − | * Spurious selection: 90dB
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| − | * Image frequency attenuation: 90dB
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| − | * IF attenuation: 100dB
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| − | * AM suppression: 50dB
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| − | '''Special Features'''
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| − | * SQ Decoder other systems by means of external decoder
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| − | == Remarks ==
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| − | * Other models in the same series:
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| − | * [[Marantz 4025]]
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| − | * [[Marantz 4220]]
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| − | * [[Marantz 4230]]
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| − | * [[Marantz 4240]]
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| − | * [[Marantz 4270]]
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| − | * [[Marantz 4400]]
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| − | * [[Marantz 4415]]
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| − | * [[Marantz 4420]]
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| − | * [[Marantz 4430]]
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| − | == Pictures ==
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| − | * Picture: Marantz 4230
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| | http://www.mtk-physio.de/4230.jpg | | http://www.mtk-physio.de/4230.jpg |
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| − | * Picture: Marantz cable remote control RC-4
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| − | [[File:Marantz RC-4-Prospekt-1.jpg]]
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| − | == Reports ==
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| − | * Report at "Hifi-Museum" [http://www.hifimuseum.de/quadro-receiver-1974.html?&no_cache=1&sword_list[]=quadro]
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| − | == Links ==
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| − |
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| − | [[Category:Receiver]]
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