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Description
analog filter pedal Maxon 9 Series AF-9 Auto Filter Pedal – Geargas StoreOriginally introduced as a key component of analog synthesizers, envelope controlled filters came into prominence in the early 1970s with the release of the legendary Mutron III. Envelope filters are wah wah type sliding filters that are triggered by an input voltage. Unlike standard wah pedals whose center frequency is controlled by moving a treadle, an envelope filter's center frequency is controlled by playing dynamics, allowing for an almost
Originally introduced as a key component of analog synthesizers, envelope controlled filters came into prominence in the early 1970s with the release of the legendary Mutron III. Envelope filters are wah-wah type sliding filters that are triggered by an input voltage. Unlike standard wah pedals whose center frequency is controlled by moving a treadle, an envelope filter's center frequency is controlled by playing dynamics, allowing for an almost unlimited variety of effects based on expressive nuances in a player's performance.
The AF-9 Auto Filter represents the state-of-the art in analog filtering. Like the original Mutron III, the AF-9 uses a CdS Photocoupler (HTV #P873) rather than a VCA at the heart of its circuit. The unique sound of Photocoupler circuitry provides a liquid, shimmering, vowel-like filtering that cannot be produced with other components, giving the AF-9 superior sound quality with lower noise levels than the competition.
The AF-9's Threshold control determines when the effect will trigger, while the Peak control boosts the center frequency for more dramatic filtering (like a Resonance control on a synthesizer). Selectable Range control (Hi/Low) determines the overall tone of the AF-9, while the Drive (Up/Down) control determines the direction of the filter sweep. Three selectable Filter types (Hi Pass, Band Pass, and Low Pass) and a frequency range of 100 Hz Ð 4 KHz allow the AF-9 to function with virtually any instrument or input signal.
From simple wah-wah's to outer-space noises, the AF-9 provides the most desirable swept filter effects in a compact, user-friendly package.
Maxon AF-9 Auto Filter Features
- The coolest aspects of auto-wah and swept filter effects
- Opto-coupler circuitry produces vintage shimmering, watery filtering effects
- Threshold and peak sliders control the degree of effect
- Range and drive switches determine range and direction of filter sweeps
- 3 selectable filter types: Lo Pass, Band Pass, and Hi Pass
- 100Hz-4kHz range for staggering effects with any instrument or input signal
- True bypass
- Die-cast zinc case
- 3-year warranty
- AC/DC operation (order optional Maxon AC210N adapter)
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4.3 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
I loved this book.
I read this book for my book club and I thought it was beautifully written. It has stayed with me for weeks now. I love when a book does that. I'm glad I wasn't swayed by controversy. I had no problem with the fact that the author was white and using a black voice(maybe because I'm white - but I do like when an author gets the voice right and I thought Styron did that). I didn't understand the charges of racism after reading the book. Sometimes I wonder if, what some people find uncomfortable, they label as racist or sexist or whatever. Anyway, I would encourage everyone to read this book because it gave me a fresh awareness of a huge part of U.S. history, it reminded me that there are always gray areas to consider and it was a great novel. You might think so too.
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Reviewed in the United States on February 8, 2007
★★★★★ 5
great read
I enjoyed this book. As a person who enjoys history this book was a great read for me and the author gives an in depth vision on the trial.
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Reviewed in the United States on September 14, 2023
★★★★★ 3
Nat Turner was NOT happy
I think Mr Styron may have took some liberties with Nat Turner's "orientation" without the research or data to support his opinion.
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Reviewed in the United States on October 20, 2016
★★★★★ 5
A book for the ages...historically concise and horrific at once
William Styron, a gifted writer outdid himself with this book. His concise detail gives us an inside view on the depth of feeling employed by the subject of this book. The book while concise and tender pulls us in as these events take place. As Mailer delves deeper into the mind of Nat Turner, we cannot help but feel a sense of the suffering this man endured and this is what gives us perspective into this tragedy as it unfolds. A compelling masterpiece of literature.
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Reviewed in the United States on December 20, 2012
★★★★★ 5
Amazing Read and Crucial to Black Empowerment in America
Format: Paperback
This book should be in every black home in America, it shows in clear and evident words the flaws in America towards African Americans even into the modern day, as well as the reasons for the various obstacles to progress and change for the Black Community. An all around well-rounded read for any Black soul that is a must have to understand the reality they will endure and how they can achieve the reality they deserve.
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Reviewed in the United States on January 12, 2025