• Carl Martin Ottawa Envelope Filter Guitar Pedal - Open Box Sale
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Carl

Carl Martin Ottawa Optical Envelope Filter Guitar Pedal - Open Box

$319.00
$319.00
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Description

SKU 57350-OBPT

Open Box/Ex Demo: This pedal has been opened for demonstration. It is in near perfect condition and includes all packaging and parts. When Carl Martin redesigned their optical envelope filter, they wanted to keep the expressive character that makes this type of effect so musical — while making it easier to control and more consistent across different guitars and playing styles. The result is Ottawa: an envelope filter that delivers classic wah-like movement without the need for a treadle. Ottawa reacts directly to how you play. Pick harder, and the filter opens up. Play lighter, and it stays subtle and controlled. That makes it equally effective for rhythmic parts and expressive lead lines, whether you’re after psychedelic textures, funky rhythm work, or more modern envelope-driven tones. At the center of the circuit is an optical envelope filter with three selectable filter modes: High Pass, Band Pass, and Low Pass. Each mode changes how the filter responds and where it focuses the frequency sweep, giving us very different tonal characters from the same pedal. The Q control adjusts the bandwidth and resonance of the filter, shaping how narrow or wide the sweep feels. Attack controls how quickly the filter responds to your picking, allowing anything from fast, percussive movement to slower, more vocal-like sweeps. A dedicated Tone control works as a high-cut filter, while Level lets us match or boost the output to suit the rest of the rig. Ottawa is built as a fully analog design, housed in a compact and rugged enclosure. Simple to dial in, highly responsive, and designed to feel like an extension of your playing rather than a preset effect. Key Features Envelope filter pedal with analog circuitry Adjustable Attack The Q knob controls the width of the Wah Low Pass, Band Pass and High Pass centre switch settings Built-in high cut and level control Responsive to pick dynamics and pickup selection Compact, rugged housing Dimensions: 60 x 115 x 50 / 2.36″ x 4.53″ x 1.97″ Weight: 0.34 kg / 0.75 lbs Specifi cations Input: 1M Ohm Output: 330 Ohm S/N Ratio: 56 dB Tone: High Cut Power consumption: max. 14mA. Power supply: 9 V DC (regulated), 30 mA minimum, 2.1 mm female plug, center negative (-)

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