Philips RK 57 S
Data[edit]
General
- Manufacturer: Philips
- Model: RK 57 S
- Type: Tube four-track stereo tape recorder with 3 tape speeds
- Years of manufacture: 1966 - 1968
- Made in: Germany
- Color: Natural / gray
- Housing: Teak wood / Polystyrene
- Remote control: Yes, EL-3984
- Power consumption: approx. 60 watts
- Dimensions (WxHxD): 430 x 335 x 165 mm
- Weight: approx. 10 kg
- New price approx:
Connections
- Number of outputs: 4
- Loudspeaker: built-in 4 W
- Outside loudspeaker: 5 W
- Line-out: 1 V
- Headphones
- Number of inputs: 3
- Microphones: 0.25 mV, 2 kOhm
- Record player: 100 mV, 500 kOhm
- Radio: 2 mV, 20 kOhm
Technical Data
- Max. coil diameter: 18 cm
- Drive: 1 asynchronous motor
- Heads: 2
- Tracks: 4
- Tape speeds: 4.75 cm/s, 9.5 cm/s, 19 cm/s
- Variation in synchronism: less than 0.25% * Variation in pitch: less than 0.25% * Variation in speed: less than 0.25
- Pitch fluctuations:
- Frequency response:
- 4.75 cm/s: 60 - 10000 Hz
- 9.5 cm/s: 60 - 15000 Hz
- 19 cm/s: 50 - 18000Hz
- Signal-to-noise ratio: > 50 dB
- External signal-to-noise ratio:
- Distortion factor:
- Equalization:
- Crosstalk attenuation:
- Cancellation attenuation:
- Premagnetization and extinction frequency:
- Output power (built-in speaker): 4 W
- Output power (external speaker): 5 W
Special Features
- Stereo playback: 1 x speaker cabinet front, 1 x speaker in removable lid
- Three tape speeds
- Stereo recording and playback
- Duoplay (with additional amplifier EL 3787)
- Multiplay (with additional amplifier EL 3787)
- Stereo playback (with additional amplifier EL 3787)
- Tape counter
- Separately adjustable recording levels for microphone and radio
- Separate treble and bass controls
- Automatic limit stop
- Level control with magic band
- Other models in the same series:
Pictures[edit]
- Picture: Brochure excerpt Philips RK-57 S
- Additional amplifier EL-3787 for duoplay, multiplay and stereo playback.
