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"This model is discontinued as of 2009.
Original owner; purchased in 2008. The electronics are 100% intact and functional. I had it mounted in a different case and lost the original knobs in the process. The housing has some wear and tear. More pics available upon request.
Frequency response: less than 10 Hz to greater than 40 kHz
Distortion: from less than 0.1% to 100%, depending on control settings and input waveform
Hum and noise: less than 0.5 mV
Power input: 10 - 12 volts AC, 50/60 Hz, 0.8 amp at idle
Inputs: phone jacks for audio input; optional inputs for beam-tube CV, VCA CV, and ring-modulator external carrier (requires at least 20v p-p signal for full effect) Output: audio (mono)
Dimensions: 7 1/2" (192mm) x 4 3/8" (112mm) x 3" (77mm)
Weight (not including accessories): 5 pounds (2.2 kg)
From bigcitymusic.com..
'The pentode preamp gives gain and distortion; the pulser injects small pulses on top of the signal; and the beam tube gives both wavefolding and ring modulation (carrier provided by an internal wide-range oscillator, or inject your own carrier signal). The TM-1 can also be used as a self-contained pseudorandom signal generator, by patching its output back to its input. You've read about "strange attractors" and other chaotic sound generation techniques? The TM-1 is the first all-tube chaotic sound generator. The results must be heard to be believed!'"
