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FTL Sound Adapter Schematic

Documentation PC
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The FTL Sound Adapter was supplied with some PC versions of Dungeon Master.

jpx72 has analyzed the adapter in order to build his own. This page contains the technical information you need if you want to build your own adapter.

Documents

Photos
FTL Sound Adapter - Printed Circuit Front
FTL Sound Adapter
Printed Circuit Front
[Credits: Paul R. Stevens]
FTL Sound Adapter - Printed Circuit Back
FTL Sound Adapter
Printed Circuit Back
[Credits: Paul R. Stevens]
Schematics
FTL Sound Adapter - Printed Circuit With Pin Numbers
FTL Sound Adapter
Printed Circuit With Pin Numbers
[Credits: jpx72]
FTL Sound Adapter -
FTL Sound Adapter
[Credits: jpx72]

Components

  • C1: Capacitor 4.7nF +/- 10% (Marking: 472K)
  • R1: Resistor 25,5 KOhms, tolerance 1%
  • RN1: Resistor Network 4610X-R2R-104. 104 means Resistance R = 10 x 10^4 = 100000 Omhs. Schematic:
    FTL Sound Adapter - Resistor Network
    FTL Sound Adapter
    Resistor Network
  • J1: DB25 male connector
  • J2: DB9 male connector
  • J3: 3.5mm jack mono connector