| 摘要 |
This discloses various intermodulation means for the emulation and exaggeration of an aspect of vacuum tube amplifiers by solid state, digital, speaker, or other means. The intermodulation means produces intermodulation products of the input (2) and an audio signal source (4) which may be a spectrum-limited, filtered version of the input or the output or a spectrum-limited repetitive or random noise generator (8).
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