Mission Cyrus Discmaster/Dacmaster

Data

General - Drive

  • Manufacturer: Mission Cyrus
  • Model: Discmaster
  • Years of manufacture: 1994 - 1996
  • Made in: [1] England, Huntingdon
  • Colour: Black
  • Remote control: yes
  • Power consumption:
  • Dimensions: 78 x 215 x 360 mm (HxWxD).
  • Weight:
  • Original price approx.: 2700.- DM (1994).

optional external power supply PSX-R: 850.- DM (1994) today 950.- €

General - Digital Analog Converter

  • Manufacturer: Mission Precision Instrument
  • Model: Dacmaster
  • Years of manufacture: 1994 - 1996
  • Made in: [2] England, Huntingdon
  • Colour: Black
  • Remote control: no
  • Power consumption:
  • Dimensions: 78 x 215 x 360 mm (HxWxD).
  • Weight:
  • Original price approx.: 2700.- DM (1994).

optional external power supply PSX-R: 850.- DM (1994) today 950.- €

Connections

Connections - Drive

  • number of inputs: 2
    • internal (Cyrus specific):
      • MC bus (Cyrus - component connection for remote control).
      • PSX-R (External additional power supply).
  • Number of outputs:
    • internal (Cyrus specific):
      • MC-Bus (Cyrus - component connection for remote control).
      • Comms (Cyrus: Pro-Out - clock alignment with Dacmaster) DIN 240° 6-pin
    • external:
      • Digital Out: SPDIF (Chinch)
      • Digital Out: AES/EBU (for connection to Dacmaster)

Connections - Digital to Analog Converter

  • Number of inputs: 4
    • internal (Cyrus specific):
      • MC-Bus (Cyrus - component connection for remote control).
      • Comms (Cyrus: Pro-In - clock alignment Soft Lock with Discmaster) DIN 240° 6-pin
      • PSX-R (External additional power supply)
    • external:
      • Digital In: SPDIF (Chinch) for 44.1 kHz sampling frequency (Jitter 100 psec / Jitter 115 psec with additional Comms connection).
      • Digital In: DT (Chinch) for 26 kHz to 52 kHz sampling frequency (Jitter 60 psec)
      • Digital In: AES/EBU 44.1 kHz (for connection to Discmaster)
      • Optical In:
  • Number of outputs: 5
    • Internal (Cyrus specific):
      • MC Bus (Cyrus - component connection for remote control).
    • external
      • Digital Out: SPDIF (chinch)
      • Analog Out: SPDIF (chinch)
      • Analog Out: R/L chinch
      • Analog Out: R/L XLR balanced

Technical data

Technical Data - Drive

  • Drive: Phillips CDM-9/44 Pro
  • CD-Text: no
  • MP3 support: no
  • Pitch control:
  • Auto play: no
  • Shuffle: no
  • Title programming: no
  • Repeat: no
  • Plays CD-R/CD-RW/HDCD: yes

Specifications - Digital Analog Converter

  • Converter:
    • Input: Crystal-8412-CP
    • Digital filter: NPC 8-fold oversampling
    • D/A Converter: 20 Bit Converter Analog Device
  • Frequency Response:
  • Dynamic Range:
  • Signal-to-noise ratio: -
  • Distortion Factor:
  • Channel Separation:

images

bild:CyrusdAD7_2.jpg

Figure 1: CYRUS Discmaster

Additional information

CD drive and DA converter combination. Both devices can also be operated on third-party equipment, but form a single unit. The Cyrus dAD7 combines Disc- and Dacmaster in one unit (according to Hifi Exlusiv 09/1994)

Special equipment'

  • top loader
  • important accessories: Comms cable (see above)

Optional Equipment

  • additional external power supply PSX-R for drive Discmaster
    • separation of power supply between drive control and remaining digital section(?).
  • additional external power supply PSX-R for D/A converter Dacmaster
    • Separation of power supply between analog and digital section. The PSX-R takes over the digital power supply, the Dacmaster internal power supply then only the analog circuits.

Source:

  • Hifi Exclusiv 09/1994 page 64 -70: Test Disc- and Dacmaster with 2 PSX-R

Recommendation: use at least the Dacmaster with additional PSX-R. When used with additional PSX-R for Discmaster this combination (comparison with Wadia 3200 and Wadia X-32) is hard to beat (according to test report).

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