Legacy AXS API
+12dB of boost or -12dB of cut
Decibels are indicated in white numbers
LF (Low-Frequency): Peaking/Shelving Switch: Selects between peaking and shelving EQ curves for
the low-frequency band.
560 10-Band Graphic Equalizer
Features
• 10 bands of API proprietary equalization
• Familiar graphics operation on one octave centers
• 12dB of boost/cut per band
• "Proportional Q" narrows filter Q at extremes
• Additional resolution within the ±4dB region
• Center detent for reliable reset
• Silent bypass button
• Based on the original 1969 API 560 EQ
Originally conceived for use in API consoles of the '60s and '70s, the 560 is a unique
device designed to accomplish tasks that no other EQ can. Extremely fast to set
and reset using accurate zero detents, the curve shaping potential of the 560
remains unmatched. With a wide range of 500 mounting options, from racks to
consoles, the 560 proves an invaluable asset to all critical performance
applications. Based on API's original 560 EQ, the current production 560 has
improved resolution in the ±4 dB area and possesses our exclusive circuitry and
proprietary components, including the API 2520 Op Amp.
The extraordinary headroom made possible with the 2520 offers consistent analog
performance even when using radical EQ curves. Of course, the 2520's ability to
drive low impedance loads is key when it is paired with API's custom output
transformers. The results are quite audible with better low frequency reproduction
and tighter imaging, which gives you that legendary API "punch in your gut" sound.
The 10 precision EQ bands make the 560 ideal for signal sweetening and room
tuning. A great companion to a parametric EQ, the 560 utilizes API's unique "Proportional Q" design
introduced during the '60s. This design intuitively widens the filter bandwidth at lower boost/cut levels
and narrows it at higher settings. Additionally, boost and cut characteristics are identical, allowing
previous actions to be undone if desired.
Reliable, durable and uniform, the API 560 EQ delivers that "one-of-a-kind API sound" with precision
easy set filtering and high headroom in a compact package. If you want the sound of classic American
music in an easy-to-set graphic EQ package, you want the API 560.
10-Bands with the following center frequencies:
• 31Hz
• 63Hz
• 125Hz
• 250Hz
• 500Hz
• 1kHz
• 2kHz
• 4kHz
• 8kHz
• 16kHz
The controls for the 560 10-Band Graphic EQ function as follows:
IN (in/out switch): Activates the channel EQ
Hard bypass when not engaged
A LED indicator illuminates when engaged
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