Denon DN-770R Service Manual
Specifications and Main Features
- Model: Vertical Band Insertion, 4-Track 2-Channel Stereo Double Cassette Deck Tape Deck
- Line Input: LINE 80 mV (-20 dBm) Maximum Level
- Recording/Playback Heads: 2 x Amorphous Tonkefpe
- Erase Head: Ferrite 2x Heads Dual Slot
- Motors:
- Tape Transport: 2 x DC Motors
- Capstan: 2 x Servo Motors
- Tape Speed: 4.80cm Second
- Fast Forward/Rewind Time: 110 Seconds For C 60
- Bias Frequency: Approx 105 Khz
- Total Harmonic Distortion: less than 3% THD
- Dolby C Noise Reduction: 74 dB or More (CCIR/ARM)
- Frequency Response: 20 Hz ~ 18 kHz ±3 dB when using metal tapes
- Channel Separation: >40 dB at 1kHz
- Wow and Flutter:
- 0.06% WRMS
- +0.14% Peak
- Total Size: 438 (W) x 134 (H) x 275 (D) mm
- Weight: 5.4 kilogram
- Power Supply: As per Rating on the data label
- Current Consumption: As per Rating on the data label
- Rack Mounted: Yes (3U)
Frequently Asked Questions
Q1: Which tape types can be used on the DN-770R?
A1: The device works best with Denon DX and HO-series metal cassette tapes as it is designed specifically for them.
Q2: What are the steps to connect the DN-770R to an audio system?
A2: Simply link the LINE OUT from the DN-770R to the audio input in the amplifier or the audio receiver.
Q3: Can you identify features which Dolby C noise reduction enhances for this device?
A3: Enhanced signal to noise ratio which permits high separation of more than 74 dB is made possible as background noise during play is minimized by the use of Dolby C noise reduction.
Q4: Am I able to mount the DN-770R on a rack?
A4: Certainly, the DN-770R is rack mountable and will occupy 3U space.
Q5: What is the threshold for recording input level?
A5: 80 mV (-20 dBm) is the maximum level permitted for recording inputs.
User Manual
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