Denon DN-M991R Service Manual

Specifications and Main Features

  • Nom e: MiniDisc Recorder
  • Discs: Recordable MDs and pre-mastered MDs.
  • Recording system: Magneto-optical overwriting system (Magnetic field modulation)
  • Compression technology: ATRAC (Adaptive transform acoustic coding) 4.0 version
  • Rotational Speed: Approximate value between 400 to 900 rpm
  • Recording Time and Play: Stereo: Approx 74 mins and Mono: 148 mins
  • Multi-Channel: 2 channels Stereo and 1 channel Mono
  • Sampling Frequency: 44.1kHz
  • A/D and D/A converter bits: 16 for A/D, and 18 for D/A
  • Response Frequency: 20-20,000Hz and (+1.0 dB)
  • THD: Ranging from 0.015% to 0.035% (Playing A filter -0.015% and recording A filter- 0.035%)
  • Ratio: Above 100db (Playing A filter) and above 84db for recording A filter
  • Seperation: Play back A filter is >=90db while recording A filter is >=8od.
  • Analog output connector type: XLR connector
  • Output level: +18 dBs with 600 Q
  • Monitor output: >20mW and 30-40 O
  • Analog input connector type: XLR
  • Input level: +18 dBs and 10k Q
  • Digital output connector type: XLR
  • Signal format: AES/EBU or IEC-958 Type I
  • Output level: Greater than or equal to 3 Vp-p or greater, 110Ω
  • XLR Connector is used as a Digital Input Connector.
  • The Signal Format is defined by AES/EBU or IEC-958 Type I.
  • The standard Input Level stated can go from 3 to 10Vp-p means 110 ohms as well.
  • There is a possible control of Variable pitch (+8).
  • The Audio Start-up Time is quite quick as it is 0.03 seconds or less.
  • As far as the frame search accuracy is concerned it is 1 frame in 1/86 seconds.
  • The unit itself is 144 (W) x 133 (H) x 401(D) in millimeters and this is without the feet.
  • However with the feet the dimensions change to 144 (W) x 146 (H) x 401(D) in millimeters
  • The weight of this device is measured through a scale and that comes to 5.0 kilograms or around 11.02 pounds.
  • The Power consumption is stated maximum as 22W.
  • The Power Supply required is quite simple as well as one supply will suffice in all United States & Canada and the other in Asia Europe and other countries.
  • A 5 Degree Celsius to 35 Degree Celsius Temperature is ideal for the device to function so it's Operating Temperature** is stated accordingly.
  • For the device to function in humidity of 25 to 85 percent with zero condensation is stated.
  • The likely best temperature for this device to be stored in is between -20 Degree Celsius to 60 Degree Celsius.

Frequently Asked Questions

Q1: What type of discs can the DN-M991R play?

A1: It can play both recordable MD’s and pre master MD’s.

Q2: What is the recording system used in the DN-M991R?

A2: The Recording System used in this device is Magneto optical overwriting system.

Q3: What is the maximum recording time on a stereo MD?

A3: Maximum recording time in stereo would be around 74 minutes.

Q4: What is the level of energy consumption for the DN-M991R?

A4: The device operates on a power of 22W.

Q5: How much does the device weigh?

A5: The DN-M991R weights approximately 5.0 kg (11.02 lbs).

Q6: What is the temperature operating range for this device?

A6: The device is able to function between the temperatures of +5 °C to 35 °C.

Q7: What sort of output sockets does the DN-M991R have?

A7: There are analog and digital XLR output sockets on this device.

User Manual

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Denon DN-M991R Service Manual
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