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Description
Description
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. Opto-coupler circuitry produces the shimmering, watery filtering of legendary vintage units. Threshold and Peak sliders control the degree of effect; while Range and Drive switches determine range and direction of the filter sweep. 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.
You may have noticed that the Maxon AF-9 Auto Filter has undergone a facelift.
Specifically, the Sensitivity & Peak faders have been replaced by rotary pots and the slider switches are now toggles.
This change was made out of necessity due to the discontinuation of the fader pots that had been used on this model for nearly 40 years (original release date was 1981).
While these changes may have been necessary, Maxon saw no reason to update the AF-9’s classic, watery, 3-dimensional filtering that so many players have to come to count on over the years. So, you can expect the latest version of this classic quacker to stand up to the original.
While change may be inevitable, if it ain’t broke, then don’t fix it.
Input Impedance: 500K Ohms
Input Jack: 1/4 inch standard phone jack
Output Impedance: 10K Ohms
Output Jack: 1/4 inch standard phone jack
Output: 1
Residual Noise: -95 dB or less (input shorted IHF-A weighted)
Filter Frequency: 100 Hz 2 KHz (Low) / 200 Hz 4 KHz (High)
Controls: Sensitivity, Peak
Switch: Normal/Effect (true bypass configuration), Filter LP/BP/HP, Drive Up/Down, Range High/Low
Power Supply: 9V Manganese dry cell battery (6F22) or special AC adaptor
Power Voltage: DC9 V (Battery) / DC10 V (AC-adaptor)
Current Consumption: 17 mA (9 V) / 19 mA (10 V)
AC Adaptor: AC210N (option) Input: AC120V Output: DC9V/200 mA Center - / Sleeve +)
Dimensions (whole): 74 mm (W) x 124 mm (D) x 54 mm (H)
Weight: 580 g
You may have noticed that the Maxon AF-9 Auto Filter has undergone a facelift.
Specifically, the Sensitivity & Peak faders have been replaced by rotary pots and the slider switches are now toggles.
This change was made out of necessity due to the discontinuation of the fader pots that had been used on this model for nearly 40 years (original release date was 1981).
While these changes may have been necessary, Maxon saw no reason to update the AF-9’s classic, watery, 3-dimensional filtering that so many players have to come to count on over the years. So, you can expect the latest version of this classic quacker to stand up to the original.
While change may be inevitable, if it ain’t broke, then don’t fix it.
- Optical Envelope Filter ala’ vintage Mu-Tron III
- Funky, liquid, vowel-like Wah effects
- Low Pass, Band Pass and High Pass filters
- Low and High operation ranges
- Threshold and Peak sliders
- Up/Down Drive switch
- True Bypass Switching
Input Impedance: 500K Ohms
Input Jack: 1/4 inch standard phone jack
Output Impedance: 10K Ohms
Output Jack: 1/4 inch standard phone jack
Output: 1
Residual Noise: -95 dB or less (input shorted IHF-A weighted)
Filter Frequency: 100 Hz 2 KHz (Low) / 200 Hz 4 KHz (High)
Controls: Sensitivity, Peak
Switch: Normal/Effect (true bypass configuration), Filter LP/BP/HP, Drive Up/Down, Range High/Low
Power Supply: 9V Manganese dry cell battery (6F22) or special AC adaptor
Power Voltage: DC9 V (Battery) / DC10 V (AC-adaptor)
Current Consumption: 17 mA (9 V) / 19 mA (10 V)
AC Adaptor: AC210N (option) Input: AC120V Output: DC9V/200 mA Center - / Sleeve +)
Dimensions (whole): 74 mm (W) x 124 mm (D) x 54 mm (H)
Weight: 580 g