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General| Tape Type | Normal, CrO2, Metal |
|---|---|
| Noise Reduction | Dolby B |
| Model | C 810 |
| Track System | 4-track, 2-channel stereo |
| Power Supply | 220V, 50Hz |
Specifies the standard tape speed for the cassette deck.
Outlines acceptable variations from the standard tape speed.
Details weighted RMS and DIN measurements for speed fluctuations.
Lists frequency response for different tape types (Fe, CrO2, FeCr).
Provides SNR figures for Fe, CrO2, FeCr tapes with Dolby NR.
Specifies channel separation at 1000 Hz between stereo channels.
Details sensitivity and impedance for microphone and receiver inputs.
Lists output voltage and impedance for DIN and RCA connectors.
Specifies impedance for the headphone jack.
Indicates the time taken to fast wind a C 60 cassette.
Lists the available line voltages for operation.
States the typical power requirement in Watts.
Explains the signal path and equalization during playback.
Details signal sources and equalization for recording.
Describes how the output signal drives the VU meters.
Explains the function of the tape end and improper take-up detection.
Details the voltage regulation for electronic systems and motors.
Important preliminary steps and precautions before adjustments.
Procedure for measuring background noise with specific equipment.
Steps for adjusting the HF oscillator frequency.
How to adjust wave traps for minimum HF interference.
Procedure for setting HF bias for different tape types.
Steps to calibrate recording current and playback level.
How to check if the overall frequency response meets DIN standards.
Covers magnetic head, playback level, frequency response, and VU-meter adjustments.
How to measure and adjust tape speed accuracy using a Wow meter.
Procedure for checking and adjusting the pressure lever.
Guidance on adjusting the brake plate, especially rubber sleeves.
Details for adjusting winding torque and coupling pulley torque.
Specifies clearance requirements for fast rewind mechanism.
Procedure for adjusting the record lever for proper switch engagement.
Instructions for aligning record/playback and erase heads.
Guidelines for cleaning critical parts and lubrication requirements.
