Brown Studio R 4/2
Data[edit]
General
- Manufacturer: Braun
- Model: R 4/2
- Years of construction: 03/1989 - 12/1990
- Manufactured in:
- Color: black, light gray
- Remote control: with RC 1
- Power consumption: 450 W, Standby 10 W
- Dimensions: 445 x 70 x 360 mm
- Weight: 9,8 kg
- Original price approx.: 2.500 DM
Connections
- Number of inputs:
- Cinch: ? sensitivity/impedance
- Number of outputs:
- 2 pairs of speakers, headphones (? level/impedance), among others.
Technical Data
Amplifier
- continuous power (at distortion factor)
4 Ohm or 8 Ohm: 65 W at 0.07 % or 0.05 % respectively (1 kHz/DIN 90 W)
- Dynamic power
- 4 Ohm or 8 Ohm: 2x 130 W (1 kHz)
- Total harmonic distortion:
- Attenuation factor: 120 (8 Ohm) / 60 (4 Ohm).
- Frequency response: CD 5 Hz - 70 kHz, Phono 30 Hz - 20 kHz
- Signal-to-noise ratio (unweighted): CD/tape (8 ohms) 90 dB, phono MM greater than 74 dB
- Stereo channel separation:
- Tone control:
- Bass and low end.
- Treble: Yes
- Loudness: Yes
- High Filter:
- Low Filter (Subsonic): Yes
- Mute:
- Direct/Line-Straight:
Tuner (in quartz syntheziser technology).
- Reception: FM, MW
- Frequencies:
- UKW: 87.5 - 108 MHz
MW: 522 - 1611 kHz
- Frequency response: 20 Hz - 15 kHz (-1 dB)
- Input sensitivity at 75 Ohm:
- mono 0.9 µV (30 dB, 40 kHz deviation)
- stereo 28 µV (46 dB, 40 kHz deviation)
- distortion factor:
- Signal-to-noise ratio:
- channel separation:
- Selectivity:
- Co-wave selection: 1.5 dB
- Spurious selection: 105 dB
- IF attenuation:
- IF attenuation: 100 dB
- AM rejection (30 % FM, 30 % AM): 48 dB
- Output level:
- RDS: no
- Station memory: 30
Special Features
- Four cold device sockets;
- Phono MM and MC input
- Clock/calendar timer for 5 one-time or daily programs.
Remarks[edit]
Other models in the same series:
- Braun Atelier R 1
- Braun Atelier R 2
- Braun Atelier R 4
- Braun Atelier R 4²: among others 2x 130 W music power