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TM-6 Multimode Filter (N.O.S.)


  • $ 84900

This Metasonix TM-6 is a N.O.S. (New Old Stock) item which was discontinued in 2009. The TM-6, like all Metasonix products, was lovingly handcrafted in Lakeport, California (by fairies).

Derived from the award-winning Metasonix TM-2 filter, the TM-6 uses two carefully adjusted bandpass filters to allow its use as a low-pass filter, a bandpass filter, or as a bass-only resonant filter. A continuously adjustable FILTER TYPE knob allows the TM-6 to serve as all of the above---or to form filter types somewhere between those basic designs. This effect is rarely seen in conventional solid-state filters. The TM-6 is NOT a モstate-variableヤ filter, as often seen in vintage analog synthesizers. It is UNIQUE.

The resonant behaviors of the two filters have been adjusted to provide an excellent FOUR-POLE low-pass response, with full tunability and adjustment of resonance via control voltage inputs. And the tuning CV input can accept a standard expression pedal, allowing the guitarist or bassist to use the TM-6 as a foot-operated wah-wah.

Specifications: Frequency response less than 10 Hz to greater than 40 kHz. Distortion from less than 0.1% to greater than 20%, depending on input signal. Filter sweep range (approx): bass-only 80-200 Hz, bandpass/lowpass LOW 300-1000 Hz, HIGH 800-1900 Hz. Filter peaking from Q less than 2 to oscillation. Voltage gain approx. 1 with RESONANCE set to 9 o'clock position and INPUT LEVEL set to maximum. Hum and noise less than 0.5 mV at output.

Power input 10v AC to 12v AC, 50/60 Hz, 0.8 amp max at idle--derived from an appropriate plug-in AC adapter (included), using a 2.1mm coaxial power jack.

Inputs: 1/4" phone jacks for audio input; control-voltage inputs for filter center-frequency tuning CV, and for resonance CV.

Tuning CV jack accepts control voltage OR any industry-standard expression pedal with TRS connections (examples: Fatar VP26, Korg EXP2, Kurzweil CC1, Moogerfooger EP-1, Roland EV5, Yamaha FC7, etc.) Tuning CV input is effective over approx. 3 volt range (offsettable with the FILTER TUNE knob).

Resonance CV jack increases resonance from front-panel FILTER RESONANCE knob setting to maximum as CV input increases from approx. 1.5v to 5v.

Output: 1/4" phone jack, audio, mono, 1k ohm impedance.

Dimensions: 7 1/2" (192mm) x 4 3/8" (112mm) x 3" (77mm)
Weight: Heavy

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