


Since the AF-9 can switch between three filters (high pass, band pass and low pass), it's compatible with almost all instruments and works especially well with a bass guitar to bring Bootsy Collins-style funk to the stage. The AF-9 consists of Threshold and Peak sliders that let you adjust the degree of effect as well as Drive and Range switches that determine the filter sweep’s direction and range. Opto-coupler circuitry emulates the shimmering, watery filtering of iconic vintage units. In Down mode, the sound is best described as a traditional 'wah', while in Up mode, the effect is reversed and sounds like a wah-wah pedal being moved upwards. Maxon’s AF-9 Auto Filter loads the coolest auto-wah and swept filter effects into a portable, user-friendly enclosure. They are guaranteed in perfect working order with full. The filter can work both ways and drive the sound up or down. The AF-9 Auto Filter represents the state-of-the art in analog filtering. Demo units have been demoed at Sound Pure, tested, or, in some cases, returned by a customer. Using the Sensitivity control, you can decide how hard you need to strike a note before the filter responds, while the Peak control is used to boost the frequency range set using the Range switch and emphasizes the 'quack' effect of the filter - similar to the resonance parameter of a filter pedal or synth. Next to the Range switch to determine the frequency range for the effect, the AF-9 features sensitivity and peak parameters that are tweaked via two dedicated controls. Check out my other listings for more cool vintage, boutique, Maxon, Auto-Wah, and other guitar. Back Plate has been changed to a flat Aqua Audio plate which makes it so much easier to mount on a board. Range (High/Low) - Selects the frequency range of the filter. The AW-7 can generally be found for under 50.

I actually like the Ibanez AW-7 better than either of them and they are usually way cheaper. The AF-9 Auto Filter is Maxon's take on the legendary Mutron III envelope filter and, we have to admit, its organic wah-sounds live and breathe Seventies funk and soul and have a vocal-like quality. Drive (Up/Down) - Selects the direction of the filter sweep: upwards or downwards. These are combination of an AF-9 filter, CP-9 compressor & CS-9 chorus all in one pedal.
