![]() ![]() The AF-9 features Mechanical True Bypass switching via a Fujisoku 4PDT switch. After the filter network the signal is run through a unity gain buffer to provide a low impedance output. The AF-9’s Range is selected by changing the gain structure of the filters. FOR SALE Up for sale is a vintage AF-9 Ibanez pedal made by Maxon. These filters are triggered by the CdS cell side of the previously mentioned photocouplers. The effected portion of the circuit split goes into a three Op Amp filter network that is almost identical to the Mu-Tron’s, right down to the Low Pass, Band Pass, and High Pass switch that selects which portion of the filter network is used. This control signal then travels to a series of two photocouplers The control circuit is shaped by the Sensitivity pot and amplified by an Op Amp. The Maxon AF9 Auto Filter takes the most desirable auto-wah and swept filter effects and. The AF9 starts with a unity gain buffer Op Amp and then splits the signal into control and effected circuits. While change may be inevitable, if it aint broke, then dont fix it. These items aside, the basic structures of the two circuits are very similar. In addition, the III had a Gain pot which controlled the output level of the pedal as well as the Threshold of the Filter – this was an awkward design, as it prevented increasing the filter sensitivity without raising the output volume of the pedal. The biggest difference between the two circuits is that the AF-9 runs on a single 9V supply while the Mu-Tron ran at 18V. ![]() The AF-9 is Maxon’s version of the venerable Mu-Tron III envelope filter circuit (original version, not HAZ reissue). Three selectable filter types (Low Pass, Band Pass, and Hi Pass) and a frequency range of 100 Hz – 4 kHz allow the AF9 to function with virtually any instrument or input signal. Threshold and Peak sliders control the degree of effect while Range and Drive switches determine range and direction of the filter sweep. Opto-coupler circuitry produces the shimmering, watery filtering of legendary vintage units. Their products are designed to improve productivity and safety for the end user.The Maxon AF9 Auto Filter takes the most desirable auto-wah and swept filter effects and offers them up in a compact, user-friendly package. Tommy GateĪ manufacturer of hydraulic liftgates for pickup trucks, service bodies, and box trucks. They offer a range of products with different weight capacities and platform sizes. ![]() Leyman LiftgatesĪ company that produces hydraulic liftgates for commercial trucks and trailers. They are known for their lightweight and durable products. Their products are used by a wide range of industries including grocery delivery, waste management, and emergency services.įirst product was a hydraulic liftgate for pickup trucksĮxpanded to international markets in the 2000sīrands Similar to Maxon Auto Corporation Anthony LiftgatesĪ company that designs and manufactures liftgates for commercial vehicles. Maxon Auto Corporation is an American company that specializes in designing, manufacturing, and installing liftgates for commercial vehicles. Like the one of the most coveted early auto-wah pedals, the Mutron III, the AF-9 creates its effect via a CdS Photocoupler rather than a VCA, giving it a wa. Get almost unlimited variety of effects as you can easily control the centre frequency of this Maxon Wah pedal by playing dynamics. The Maxon AF-9 Auto Filter is an analog envelope follower pedal that creates an automatic wah effect based on the players pick attack. Free Shipping Details Gift Certificates Questions Call: 800.348.5003 Educators Call: 800.346.4448 Woodwind & Brasswind. Explore About Maxon Auto Corporation & Its Products 8 product ratings About this product About this product Product Information Play your guitar with the AF-9 Auto Filter pedal that provides the most desirable swept filters in a compact body. site8prod155058 155058 Maxon AF-9 Auto Filter Effects Pedal Skip to main content Skip to footer. ![]()
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