Detail 01
Notch filter: 20Hz to 20kHz in three selectable ranges; Q from 0.95 to 15.3
Lets you choose among three notch ranges and adjust the notch’s Q setting.

Independent shopping perspective
API’s 565 is a three-band filter module built around filter circuitry associated with the 215 module in large-format API consoles. It provides high-pass, low-pass, and notch filtering, with broad frequency coverage from 20Hz through 20kHz across its available controls. The notch section offers three selectable ranges and adjustable Q, while the balanced, transformer-coupled output suits a balanced signal path. It is a dedicated module format processor with a 15-position edge connection.

Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
Lets you choose among three notch ranges and adjust the notch’s Q setting.
Detail 02
Provides separate high-pass and low-pass filter ranges for setting frequency limits.
Detail 03
The output is balanced and transformer coupled.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It has three bands.
The notch filter spans 20Hz to 20kHz across three selectable ranges, with Q adjustable from 0.95 to 15.3.
The high-pass filter runs from 20Hz to 600Hz, and the low-pass filter runs from 500Hz to 20kHz.
Reference
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