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Q150A Transistor Ladder Filter (VCF)

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Q150A Transistor Ladder Filter Module

The Q150A Transistor Ladder Filter is a single-wide version of our popular Q150 Filter. Both filters use the same circuitry, and they sound and operate identically. See Q150 page for details about this filter.

Convert an existing Q150 double-wide filter to a Q150A single-wide filter with our conversion kit.

The Q150A has only one attenuated input and ships with reversible frequency control. The frequency control can be changed to an attenuated control by moving the connectors on the pcb. See the datasheet for more details.

$178.00 USD
  • Jeff Wrote: What a great way to free up space in my system.
  • David Wrote: The Q150 Ladder Filter just arrived. Excellent! That 24db slope is a great complement to the Q107. The two filters do respond differently. Every one should get both.
  • Panel Size: Single width 2.125"w x 8.75"h, Dual width 4.25"w x 8.75"h.
  • Low Pass Slope: -12dB/Oct or -24dB/Oct.
  • Cutoff Frequency: 1/V per Octave and adjustable.
  • Resonance (Q): 1 to self-oscillation.
  • Frequency Range: 20hz to 20khz.
  • Waveform Levels: 10V PP.
  • Power: +15V@30ma, -15V@30ma.
  • MR Wrote: As a former Moog System 55 owner, I can say that the Q150 filter is as good as a 904a filter to my ears, it really is, and again before anyone wants to start a flame war I put them side by side... and actually Rogers was a bit "cleaner" too... so dare I say, almost better.

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