The 565 Filter Bank module has circuits that are true to the musical filters of the famed 215 module found in large format API consoles.
Sweepable low-pass filter (500Hz to 20kHz, -6 or -12dB slope)Sweepable high-pass filter (20Hz to 400Hz, -12 or -18dB slope)Variable notch filter with adjustable Q (fully sweepable between 20Hz and 20kHz)Individual bypass switches for each filter sectionTransformer Balanced Output to +28 dBuTraditional API fully discrete circuit designUses API 2520 and 2510 Op-Amps as well as the same discrete transistor buffers used in the famous 550 series equalizers
Specifications
Number of Bands: ThreeFilter Types: Sweepable Shelf Low PassSweepable Shelf High PassAdjustable Active Twin-T NotchFilter Frequencies: Low Pass: 500Hz to 20kHzHigh Pass: 20Hz to 600HzNotch: 20Hz to 20kHz (3 selectable ranges)Notch Filter Q: Variable from 0.95 to 15.3Notch Filter Cut: > 40dB at minimum Q settingInput Impedance: > 20K Ohms, BalancedOutput Impedance: 75 Ohms, Transformer Coupled, BalancedNominal Levels: -15dBu to +15dBuClipping Level: +28dBuFrequency Response: +.2, -.4, 20Hz to 20kHzTHD+N: 0.02% (+4dBu output @ 2kHz)Connector: 15 position .156" sp. edge connectorPower Consumption: +/-16VDC, 100mA max at +24dBu outSize: 1.5" x 5.25" x 6.75" Deep
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