Specifications:
Manufacturer    Creative Labs Inc.
Model    Sound Blaster AWE64 Value CT4520
Bus interface    ISA 16
Games compatibility    Sound Blaster, Sound Blaster Pro, Sound Blaster 16, Sound Blaster AWE32
Audio inputs/outputs    line in jack; microphone in jack; line out jack; speaker out jack, joystick/MIDI port
Wavetable synthesizer    Emu Systems EMU8000 wave-table synthesizer; 32-voice polyphony and multi-timbral capability; 16 MIDI channels
MIDI interface    joystick/MIDI interface (adapter required)
Microphone type(s) supported    non-powered
Memory
Onboard RAM    512 KB; expandable up to 24 MB with memory upgrade modules
Audio Performance
Signal-to-noise ratio     better than 80 db (A weighted)
Frequency response    20 Hz 22 kHz (+/1 1 dB)
Sampling rate for playback/ recording (stereo)    5 kHz 44.1 kHz
Digital audio processor    EMU8000
Dimensions
Card size    7 3/16 in x 4 1/16 in

Electrical
Microphone impedance    600 Ohms
Line-in impedance    47 KOhms
CD audio-in impedance    50 KOhms
Microphone sensitivity    10 200 mVpp
Line-in sensitivity    0 2 Vpp
CD audio-in sensitivity    0 2 Vpp
AD/DA resolution    16 bits
Output power (max.)    4 watts @ 4 Ohms PMPO (Amp out)
MTBF    >60,000 hours

Overview

The Sound Blaster AWE64 Value (Model CT4520) is a Plug and Play 16-bit ISA audio board.
Features

Features of the advanced WavEffects synthesizer include the following:

    64-voice polyphony
    16 parts multi-timbral
    1 MB ROM of general MIDI samples
    512 KB built-in DRAM

Features of the stereo music synthesizer include the following:

    4-operator 11-voice or 2-operator 20-voice stereo music synthesizer
    Compatible with previous Sound Blaster music synthesizer chips

Features of the stereo digitized voice channel include the following:

    Full duplex
    16-bit and 8-bit digitizing in stereo and mono modes
    Programmable sampling rates, 5 kHz to 44.1 kHz in linear steps. Your audio applications may support only selected ranges of sampling rates.
    High and low DMA channels using a single interrupt for audio playback and recording
    Dynamic filtering for digital audio recording and playback

Features of the built-in digital/analog mixer include the following:

    Mixes sources from digitized voice and inputs from MIDI devices, CD Audio, Line In, Microphone, and PC Speaker
    Selectable input source or mixing of various audio sources for recording

Features of the volume control include the following:

    Software volume control of master volume, digitized voice, and inputs from MIDI device, CD audio, line in, microphone, and PC speaker
    Master volume at 28 levels in 2 dB steps
    Digitized voice and inputs from MIDI device at 26 levels in 2 dB steps
    All other sources at 32 levels in 2 dB steps
    Treble/bass control at 15 levels from -14 dB to 14 dB in 2 dB steps
    Full software control of fade-in, fade-out, and panning

Features of the built-in stereo power amplifier include the following:

    Six watts RMS per channel with four ohms stereo output
    Internal or external audio output amplifier

Features of the 3D stereo enhancement technology include the following:

    Increased depth and breadth in perceived audio
    Enhances mono and stereo audio output
    Independent of speaker quality
    Independent of setup configuration (for example, placement and alignment of speakers with the listener)

The sound card works with the following standards:

    Microsoft Windows 95, 98, ME, 2000, XP (Home and Professional)
    Microsoft Windows NT
    Microsoft Windows 3.1
    Microsoft MS-DOS 5.0 or higher
    General MIDI
    MPC3
    Plug and Play