A CT2940 is a vintage Creative Sound Blaster 16 Value PnP internal sound card released in the mid-1990s.
Key Features and Specifications
Bus Type. 16-bit ISA interface meant for older desktop computers.
Plug and Play (PnP). Uses software-configurable settings rather than physical jumpers on the board.
Chipset. Typically features a ViBRA chip (such as the CT2502) and uses Creative's CQM synthesis or an emulated FM synthesis instead of a true Yamaha OPL-3 chip.
Connections: Includes standard 3.5mm audio jacks (line-in, line-out, microphone), a Game/MIDI port, a wavetable connector, and a 40-pin IDE CD-ROM header.
Audio Quality: Noted among retro PC enthusiasts for having a relatively clean signal-to-noise ratio compared to other Sound Blaster models.(114 150)