Difference between revisions of "Marantz 4270"
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__NOTOC__ | __NOTOC__ | ||
| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Marantz]] |
| − | * | + | * Model: 4270 |
| − | * | + | * Type: Quadrophonic Receiver |
| − | * | + | * Years of manufacture: 1973 - 1978 |
| − | * | + | * Manufactured in: Japan |
| − | * | + | * Color: Silver / Brown |
| − | * | + | * Remote control: RC4 Remote Control |
| − | * | + | * Power consumption: 400 W max. idle 45 W |
| − | * | + | * Dimensions: 441 x 137 x 400 mm (WxHxD) |
| − | * | + | * Weight: 18.2 kg |
| − | * | + | * Original price approx.: 1'998 DM |
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: |
| − | ** 2 | + | ** Phono: 2.2 mV / 47 kOhm |
| − | + | Aux: 150 mV / 100 kOhm | |
| − | ** | + | ** Tape Play 1, 2: 150 mV / 100 kOhm |
| − | * | + | ** Main In: |
| − | ** | + | * Number of Outputs: |
| − | * | + | ** Tape Rec 1, 2: 1 V / 47 kOhm |
| − | ** 2 | + | ** Pre-Out: 1 V, 900 Ohm |
| − | ** 4 | + | ** Headphones 1, 2: (6,3mm jack) |
| + | ** 4 speaker pairs | ||
| − | ''' | + | '''Technical Data''' |
''Audio'' | ''Audio'' | ||
| − | * | + | * Output power (at harmonic distortion) |
| − | + | Stereo: 2x 70 W / 0.3 % | |
| − | + | Quadrophony: 4x 40 W / 0.3 % | |
| − | * | + | * Attenuation factor: 45 |
| − | * | + | * Frequency response: 7 - 70'000Hz |
| − | * | + | * Signal-to-noise ratio: |
| − | * | + | * Stereo channel separation: |
| − | * | + | * Tone control: |
| − | ** Bass: ±10dB | + | ** Bass: ±10dB at 50Hz |
| − | + | Mids: ±10dB at 700Hz | |
| − | + | Treble: ±10dB at 15kHz | |
| − | * Loudness: 7dB | + | * Loudness: 7dB at 100Hz, 4dB at 10kHz |
| − | * High Filter: 10kHz, 6dB | + | * High Filter: 10kHz, 6dB per octave |
| − | * Low Filter: 100Hz, 6dB | + | * Low Filter: 100Hz, 6dB per octave |
* Mute: - | * Mute: - | ||
| − | '' | + | ''Sound Formats'' |
* Dolby | * Dolby | ||
* DolbyFM | * DolbyFM | ||
| Line 54: | Line 55: | ||
''Tuner'' | ''Tuner'' | ||
| − | * | + | * Reception: FM, MW |
| − | * | + | * Frequencies: |
| − | ** | + | ** FM: 88 - 108 MHz |
| − | + | MW: 540 - 1602 kHz | |
| − | * | + | * Frequency response: 30 Hz - 15 kHz, ± 1 dB |
| − | * | + | * Input sensitivity: 2.2 µV |
| − | * | + | * Distortion factor: 0.4 % (stereo), 0.3 % (mono) |
| − | * | + | * Signal-to-noise ratio: > 90 dB |
| − | * | + | * Channel separation: greater than 40 dB |
| − | * | + | * selectivity: > 60 dB |
| − | * | + | * Co-wave selection: 70 dB |
| − | * | + | * Spurious wave selection: 90 dB |
| − | * | + | * Image frequency attenuation: 90 dB |
| − | * | + | * IF attenuation: 100 dB |
| − | * AM | + | * AM suppression: 50 dB |
| − | ''' | + | '''Special Features''' |
| − | * | + | * Built-in Dolby system |
* Quadradial Output | * Quadradial Output | ||
| − | * 2x | + | * 2x headphone jack for four channel |
| − | == | + | == Notes == |
| − | * | + | * Other models in the same series: |
* [[Marantz 4025]] | * [[Marantz 4025]] | ||
* [[Marantz 4220]] | * [[Marantz 4220]] | ||
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| − | == | + | == Pictures == |
| − | * | + | * Image: Marantz 4270 |
| − | [[ | + | [[File:Marantz 4270-1.jpg]] |
| − | + | == Reports == | |
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
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| − | == | ||
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| − | [[ | + | [[Category:Receiver]] |
Latest revision as of 10:05, 11 September 2018
Data[edit]
General
- Manufacturer: Marantz
- Model: 4270
- Type: Quadrophonic Receiver
- Years of manufacture: 1973 - 1978
- Manufactured in: Japan
- Color: Silver / Brown
- Remote control: RC4 Remote Control
- Power consumption: 400 W max. idle 45 W
- Dimensions: 441 x 137 x 400 mm (WxHxD)
- Weight: 18.2 kg
- Original price approx.: 1'998 DM
Connections
- Number of inputs:
- Phono: 2.2 mV / 47 kOhm
Aux: 150 mV / 100 kOhm
- Tape Play 1, 2: 150 mV / 100 kOhm
- Main In:
- Number of Outputs:
- Tape Rec 1, 2: 1 V / 47 kOhm
- Pre-Out: 1 V, 900 Ohm
- Headphones 1, 2: (6,3mm jack)
- 4 speaker pairs
Technical Data
Audio
- Output power (at harmonic distortion)
Stereo: 2x 70 W / 0.3 % Quadrophony: 4x 40 W / 0.3 %
- Attenuation factor: 45
- Frequency response: 7 - 70'000Hz
- Signal-to-noise ratio:
- Stereo channel separation:
- Tone control:
- Bass: ±10dB at 50Hz
Mids: ±10dB at 700Hz Treble: ±10dB at 15kHz
- Loudness: 7dB at 100Hz, 4dB at 10kHz
- High Filter: 10kHz, 6dB per octave
- Low Filter: 100Hz, 6dB per octave
- Mute: -
Sound Formats
- Dolby
- DolbyFM
Tuner
- Reception: FM, MW
- Frequencies:
- FM: 88 - 108 MHz
MW: 540 - 1602 kHz
- Frequency response: 30 Hz - 15 kHz, ± 1 dB
- Input sensitivity: 2.2 µV
- Distortion factor: 0.4 % (stereo), 0.3 % (mono)
- Signal-to-noise ratio: > 90 dB
- Channel separation: greater than 40 dB
- selectivity: > 60 dB
- Co-wave selection: 70 dB
- Spurious wave selection: 90 dB
- Image frequency attenuation: 90 dB
- IF attenuation: 100 dB
- AM suppression: 50 dB
Special Features
- Built-in Dolby system
- Quadradial Output
- 2x headphone jack for four channel
Notes[edit]
- Other models in the same series:
- Marantz 4025
- Marantz 4220
- Marantz 4230
- Marantz 4240
- Marantz 4270
- Marantz 4400
- Marantz 4415
- Marantz 4420
- Marantz 4430
Pictures[edit]
- Image: Marantz 4270
