Difference between revisions of "Marantz 2250B"
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__NOTOC__ | __NOTOC__ | ||
− | == | + | == Data == |
− | {{ | + | {{navigation}} |
− | ''' | + | '''General''' |
− | * | + | * Manufacturer: [[Marantz]] |
− | * | + | * Model: 2250 B |
− | * | + | * Type: Receiver |
− | * | + | * Years of manufacture: 1976 - 1977 |
− | * | + | * Made in: Japan |
− | * | + | * Color: Black or silver |
− | * | + | * Remote control: no |
− | * | + | * Power consumption: 330 W |
− | * | + | * Dimensions: 440 x 137 x 365 mm (WxHxD) |
− | * | + | * Weight: 15.4 kg |
+ | * New price approx.: 550 $, corresponds to about 1'800 DM | ||
− | ''' | + | '''Connections''' |
− | * | + | * Number of inputs: |
** Tape In, Aux: 180 mV / 100 kOhm | ** Tape In, Aux: 180 mV / 100 kOhm | ||
− | + | Phono: 1.8 mV / 47 kOhm | |
− | ** | + | ** Antenna FM (75/300 Ohm) / MW |
** Dubbing in | ** Dubbing in | ||
** Main In: 1 V / 75 kOhm | ** Main In: 1 V / 75 kOhm | ||
− | * | + | * Number of outputs: |
** Tape Out: 200 Ohm | ** Tape Out: 200 Ohm | ||
− | + | FM Quadradial | |
** Dubbing out | ** Dubbing out | ||
− | + | Pre Out: 900 Ohm | |
− | ** | + | ** Headphones (6.3 mm jack, front) |
− | ** 2 | + | ** 2 pairs of speakers |
− | ''' | + | '''Technical Data''' |
− | '' | + | ''Amplifier'' |
− | * | + | * Continuous power (at distortion): |
** 8 Ohm: 2x 50 W | ** 8 Ohm: 2x 50 W | ||
** 4 Ohm: | ** 4 Ohm: | ||
− | * | + | * Dynamic power: |
** 8 Ohm: | ** 8 Ohm: | ||
** 4 Ohm: | ** 4 Ohm: | ||
− | * | + | * Total harmonic distortion: 0.25% |
− | * | + | * Attenuation factor: 55 (8 Ohm, 1 kHz) |
− | * | + | * Frequency response: |
− | ** 20 - 20 | + | ** 20 - 20,000 Hz (±0.2 dB). |
** Phono: RIAA ±1 dB | ** Phono: RIAA ±1 dB | ||
− | * | + | * Signal-to-noise ratio: |
− | * | + | * Stereo channel separation: |
− | * | + | * Tone control: (each L/R separate) |
− | + | Bass: ±12 dB (50 Hz), Turnover: 250 / 500 Hz | |
− | ** | + | ** Mid: ±6 dB (700 Hz) |
− | + | Treble: ±12 dB (15 kHz), Turnover: 2 / 4 kHz | |
− | * Loudness: | + | * Loudness: yes |
− | * High Filter: | + | * High Filter: yes |
− | * Low Filter (Subsonic): | + | * Low Filter (Subsonic): yes |
− | * Mute: | + | * Mute: no |
− | * Direct/Line-Straight: | + | * Direct/Line-Straight: yes |
''Tuner'' | ''Tuner'' | ||
− | * | + | * Reception: FM/MW |
− | * | + | * Frequencies: |
− | ** | + | ** FM: 87.5 - 108 Mhz |
− | ** MW: 540 - 1 | + | ** MW: 540 - 1,605 kHz |
− | * | + | * Frequency response: 30 - 15,000 Hz (±1.5 dB, stereo) |
− | * | + | * Input sensitivity: |
− | ** | + | ** FM: 1.9 µV |
− | + | MW: 20 µV | |
− | + | Distortion factor: (1000 µV, 65.2 dBf, 1 kHz) | |
− | ** | + | ** FM: 0.3% (mono), 0.4% (stereo) |
− | * | + | * Signal-to-noise ratio: |
− | ** | + | ** FM: 70 dB (mono), 60 dB (stereo) |
− | * | + | * Channel separation: |
− | ** | + | ** FM: 40 dB (at 1 kHz). |
− | * | + | * Selectivity: |
− | * | + | * Common wave selection: (1000 µV, 65.2 dBf). |
− | + | FM: 1.5 dB | |
− | * | + | * Spurious wave selection: |
− | ** | + | ** FM: 65 dB |
− | * | + | * Image frequency attenuation: |
− | ** | + | ** VHF: 70 dB |
− | * | + | * IF attenuation: |
− | ** | + | ** FM: 100 dB |
− | * AM | + | * AM suppression: 60 dB |
− | * | + | * Output level: |
− | * RDS: | + | * RDS: no |
− | * | + | * Station memory: no |
− | * Multipath: | + | * Multipath: yes |
− | * Hi Blend: | + | * Hi Blend: yes |
− | ''' | + | '''Special Features''' |
− | * | + | * Pre- and power stage separable (Main In/Pre Out) |
− | * Dolby FM | + | * Dolby FM decoding |
− | == | + | == Remarks == |
− | * | + | * Other models in the same series: |
+ | * [[Marantz 2235]] | ||
* [[Marantz 2250B]] | * [[Marantz 2250B]] | ||
* [[Marantz 2275]] | * [[Marantz 2275]] | ||
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− | == | + | == Pictures == |
+ | * Image: Marantz 2250 B | ||
+ | [[File:Marantz 2250 B-1.jpg]] | ||
+ | |||
+ | |||
+ | == Reviews == | ||
− | |||
== Links == | == Links == | ||
− | [[ | + | |
+ | [[Category:Receiver]] |
Latest revision as of 02:47, 29 April 2019
Data[edit]
General
- Manufacturer: Marantz
- Model: 2250 B
- Type: Receiver
- Years of manufacture: 1976 - 1977
- Made in: Japan
- Color: Black or silver
- Remote control: no
- Power consumption: 330 W
- Dimensions: 440 x 137 x 365 mm (WxHxD)
- Weight: 15.4 kg
- New price approx.: 550 $, corresponds to about 1'800 DM
Connections
- Number of inputs:
- Tape In, Aux: 180 mV / 100 kOhm
Phono: 1.8 mV / 47 kOhm
- Antenna FM (75/300 Ohm) / MW
- Dubbing in
- Main In: 1 V / 75 kOhm
- Number of outputs:
- Tape Out: 200 Ohm
FM Quadradial
- Dubbing out
Pre Out: 900 Ohm
- Headphones (6.3 mm jack, front)
- 2 pairs of speakers
Technical Data
Amplifier
- Continuous power (at distortion):
- 8 Ohm: 2x 50 W
- 4 Ohm:
- Dynamic power:
- 8 Ohm:
- 4 Ohm:
- Total harmonic distortion: 0.25%
- Attenuation factor: 55 (8 Ohm, 1 kHz)
- Frequency response:
- 20 - 20,000 Hz (±0.2 dB).
- Phono: RIAA ±1 dB
- Signal-to-noise ratio:
- Stereo channel separation:
- Tone control: (each L/R separate)
Bass: ±12 dB (50 Hz), Turnover: 250 / 500 Hz
- Mid: ±6 dB (700 Hz)
Treble: ±12 dB (15 kHz), Turnover: 2 / 4 kHz
- Loudness: yes
- High Filter: yes
- Low Filter (Subsonic): yes
- Mute: no
- Direct/Line-Straight: yes
Tuner
- Reception: FM/MW
- Frequencies:
- FM: 87.5 - 108 Mhz
- MW: 540 - 1,605 kHz
- Frequency response: 30 - 15,000 Hz (±1.5 dB, stereo)
- Input sensitivity:
- FM: 1.9 µV
MW: 20 µV Distortion factor: (1000 µV, 65.2 dBf, 1 kHz)
- FM: 0.3% (mono), 0.4% (stereo)
- Signal-to-noise ratio:
- FM: 70 dB (mono), 60 dB (stereo)
- Channel separation:
- FM: 40 dB (at 1 kHz).
- Selectivity:
- Common wave selection: (1000 µV, 65.2 dBf).
FM: 1.5 dB
- Spurious wave selection:
- FM: 65 dB
- Image frequency attenuation:
- VHF: 70 dB
- IF attenuation:
- FM: 100 dB
- AM suppression: 60 dB
- Output level:
- RDS: no
- Station memory: no
- Multipath: yes
- Hi Blend: yes
Special Features
- Pre- and power stage separable (Main In/Pre Out)
- Dolby FM decoding
Remarks[edit]
- Other models in the same series:
- Marantz 2235
- Marantz 2250B
- Marantz 2275
- Marantz 2325
Pictures[edit]
- Image: Marantz 2250 B