Denon DRW-840 Service Manual
Specifications and Main Features
- Type: Vertical tape loading; 4 track 2 channel stereo double deck cassette player - midge Black M42..
- Heads: Recording playback head 2, Erase head (Double-gap ferrite) 2 .
- Motors: Capstan DC servo motor 2, Real DC motor 2 .
- Tape Speed: 4.8 cm/sec
- Fast Forward Rewind Time: Around 110 seconds with C-60 tape.
- Recording Bias: Approximately 105 kHz.
- Overall S/N Ratio at 3% THD level: Dolby C NR cpp On: greater >=74dB CCIR/ARM.
- Overall Frequency Response: 20~18,000 Hz +3dB occurred at -20 dB metal tape.
- Channel Separation: Greater than 40 dB at 1k severance.
- Wow & Flutter: 0.06% WRMS +0.14% w peak.
- Input: LINE 80 mV -20 dBm input level max; Input impedance 50 kohm unbalanced.
- Output: LINE 775mV 0dB output level maximum; PHONES 1.2mW output level maximum optimum load impedance 8 ohm ~ 1.2 kohm.
- Power Supply: 50 Hz 60Hz volt s shown in rating label.
- Power Consumption: 27W.
- Dimensions: 434 W x 124 H x 275 D mm (17 3/32” x 4 57/64" x 10 53/64")
- Weight: 4.4 Kg 9 Lbs 11 oz.
Frequently Asked Questions
- Q: What kinds of tapes are supported by the DRW-840?
A: The DRW-840 can utilize the DENON DX and HB series cassette tapes for ideal performance results.
- Q: How fast can I expect the tape to run in the DRW-840?
A: The Tape speed is of 4.8 cm/sec.
- Q: Measuring a C-60 cassette, how long will it take to fast forward and rewind?
A: A C-60 cassette will approximately take 110 seconds to fast forward or rewind.
- Q: There’s a device, would you kindly inform me its frequency response?
A: The frequency response of the device is from 20Hz-18,000H at a + 3dB with a Metal tape.
- Q: The amount of energy consumed by DRW-840 is?
A: The energy consumption is 27W.
- Q: Care to provide the measurements for the DRW-840?
A: The measurements Transverse 434 mm (W) x 124 mm (H) x 275 mm(D).
- Q: Would you mind explaining the S/N ratio? I’ve heard it gets affected by Dolby C Noise?
A: Using Dolby C noise reduction may cause the S/N to go over 74 dB.
User Manual
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