Metasonix Announces TS-21 Hellfire Modulator
November 17, 1999
Metasonix has introduced an interesting new tube-based
signal processor, the TS-21 Hellfire Modulator, that could be a very powerful
tool for warping, twisting, and otherwise mangling audio waveforms. The TS-21
would be right at home with a modular synth and useful for sound design, but can
be used with any audio signal you choose.
The TS-21 consists of three processing circuits:
- A pentode tube preamp, which can also be used as a VCA, allowing integration
with modular synthesizers
- A unique all-tube pulse-width modulation circuit, which uses positive feedback
to achieve metastable operation - it can be used to "sharpen" pulse
waveforms, or to add bursts of noise to waveforms
- Finally, a very unique distortion/analog switch based on an obscure television
tube called a "Sheet-Beam Modulator". This circuit allows adjustable
distortion, plus adjustable waveform folding, plus the ability to convert a monophonic
audio signal into a stereo signal (the two outputs provide slightly different
distortion effects simultaneously). Yes, that's right, TS-21 has a monophonic
input and a stereophonic output.
The beam modulator has a built-in LFO - it can be enabled to switch the output
signal back and forth between the two outputs at adjustable rates of from 1 Hz
to about 15 Hz.
The TS-21 use more readily-available tubes for ease of maintenance, and is
handmade in the USA. It comes packaged in a two space rackmount case, and carries
a one year warranty, including tubes.
For more information, visit Metasonix on the web at www.metasonix.com.
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