CARL MARTIN [Autumn SUPER SALE] Ottawa Vintage Optical Envelope (Carl Martin) Auto Wah/Envelope Filter

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The Carl Martin Ottawa is an optical envelope filter and auto-wah that is a miniaturized version of the Classic Optical Envelope, which was once popular in the Vintage Series. In t he Classic Optical Envelope, two foot switches were used to switch between high-pass, band-pass, and low-pass filters, but with the miniaturization of the S Series, this was changed to pin switches. In addition to the control section, which includes a "Q" that adjusts tone, level, and frequency, the new "Attack" control allows you to adjust sensitivity to picking. Ottawa is an auto-wah with an envelope filter that mimics the sound of a wah pedal depending on the strength of your picking attack, without the need to step on a wah pedal or manually adjust the frequency. Even if you're not interested in the psychedelic sounds of the 60s and 70s disco or other music that requires this unique sound, this pedal is perfect for solos and rhythm work, so I highly recommend giving it a try. There are three controls - high, band, low pass filter, bandwidth and attack adjustment, level and tone - which you can adjust to find a more unique and original sound. It has a smooth, comfortable feel and can be used for a wide range of purposes, from standard use as an auto-wah sound to creating tricky tones. Attack knob: Adjusts the sensitivity of the auto-wah effect. Tone knob: Adjusts the tone quality with a high-cut filter. Level knob: Adjusts the effect level. Q knob: Adjusts the filter bandwidth. Filter switch: Selects the filter type. HP: High-pass filter BP: Band-pass filter LP: Low-pass filter Input jack: 1/4" TS phone, 1MΩ impedance Output jack: 1/4" TS phone, 330Ω impedance Signal-to-Noise ratio: 56dB AC adapter jack: φ2.1 mm, center negative Dimensions: 60 (W) x 115 (D) x 50 (H) mm Weight: 340g・9V DC adapter (minimum 30mA) Show more