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Everything In Music Since 1958
Everything In Music Since 1958

API 565 Discrete Filter Bank

Out of Stock
Original price $595.00
Original price $595.00 - Original price $595.00
Original price $595.00
Current price $565.25
$565.25 - $565.25
Current price $565.25
About Inventory Status

Call or text us at 301-946-8808.

In stock: It is in stock and available to ship or pickup. Apparel must be shipped from another location and is not available for in-store pickup. We can usually ship or have these items available for pickup by the next business day if they don't require inspection, special handling, or setup. Our pickup location is 11151 Veirs Mill Rd. Silver Spring, MD 20902.

📆 Preorder: It is on the way to our warehouse. We can't predict when preorder items will arrive due to current supply chain issues. If you place an order for one of these items someone will contact you to estimate the delivery date.

Out of stock: We don't currently have it available but you're not out of luck yet. We still may be able to get it. If you order one of these items we will contact you with an estimated fulfillment date. You have the option to cancel the order if you change your mind.

Special order: The item is so special that it needs to be custom ordered for you. Some of these items are works of art and have to be made individually. Orders for special order items must be prepaid and we cannot accept cancellations or refunds.

█ Sold out: We don't think we can get this item because it was either discontinued by the manufacturer or was limited in quantity. If you want or need this item call or text us. Sometimes we can help you track down the item through other sources or help you find something similar.

About Item Conditions

Call or text us at 301-946-8808.

New: The item is brand new as received from the manufacturer with a full manufacturer warranty. Instruments such as guitars, snare drums, drum kits, brass and woodwind instruments may be opened for photography and quality control inspection and may not be in a factory sealed box.

Mint or Open Box: The item may have been opened and tested but has been repackaged. The original packaging may have superficial issues but the item itself and any originally included accessories are in perfect, like new condition.

Display Model: These items are so cool that we put them on display in our legendary shop. The condition is brand new as received from the manufacturer with manufacturer warranty. Rest assured, these items undergo a very careful inspection before shipping.

Demo: These items have been on our sales floor for demo purposes and will likely show signs of use. The original packaging may no longer be included, but you can be assured that you are receiving an awesome item and an awesome price.

Used: The item is used. These item may have varying degrees of wear. Please read the description for information about the condition of the item. Used items do not carry a warranty.

B or C Stock: Factory refurbished. These items were purchased from the manufacturer in a refurbished condition. They will show some cosmetic issues, but nothing that would impact performance. Being that these are sealed from the manufacturer, we generally do not open these to photograph the cosmetic issues. They are guaranteed to work and may have a limited warranty or you may purchase an extended warranty in some cases. Please see the listing description for item specific information.

The API 565 Discrete Filter Bank Delivers the Filtering Circuitry of Large Consoles in an Accessible 500 Series Package

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 (500 Hz to 20 kHz, -6 or -12 dB slope)
  • Sweepable high-pass filter (20 Hz to 400 Hz, -12 or -18 dB slope)
  • Variable notch filter with adjustable Q (fully sweepable between 20 Hz and 20 kHz)
  • Individual bypass switches for each filter section
  • Transformer Balanced Output to +28 dBu
  • Traditional API fully discrete circuit design
  • Uses API 2520 and 2510 Op-Amps as well as the same discrete transistor buffers used in the famous 550 series equalizers


  • Number of Bands: Three
  • Filter Types
    • Sweepable Shelf Low Pass
    • Sweepable Shelf High Pass
    • Adjustable Active Twin-T Notch
  • Filter Frequencies
    • Low Pass: 500 Hz to 20 kHz
    • High Pass: 20 Hz to 600 Hz
    • Notch: 20 Hz to 20 kHz (3 selectable ranges)
  • Notch Filter Q: Variable from 0.95 to 15.3
  • Notch Filter Cut: Greater than 40 dB at minimum Q setting
  • Input Impedance: Greater than 20 kOhms, Balanced
  • Output Impedance: 75 Ohms, Transformer Coupled, Balanced
  • Nominal Levels: -15 dBu to +15 dBu
  • Clipping Level: +28 dBu
  • Frequency Response: +.2, -.4, 20 Hz to 20 kHz
  • THD+N: 0.02% (+4 dBu output @ 2 kHz)
  • Connector: 15 position .156-inch sp. edge connector
  • Power Consumption: +/-16VDC, 100mA max at +24 dBu out
  • Size: 1.5 x 5.25 x 6.75 inches / 38 x 133 x 171 mm

Manufacturer: Automated Processes Inc
Model: 565
SKU: I384065-N-0-WHXA

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