Korena
Product detailSKU #1500000450787

API525A 500 Series Compressor/Limiter

API
API 525A 500 Series Compressor/Limiter
1/8

Independent shopping perspective

The Korena take

Put hands-on dynamic control within a 500 Series format. The 525A combines compressor and limiter ratios with adjustable attack and seven release choices, allowing engineers to set how it responds across different sources. Its Ceiling control links threshold and makeup gain in one adjustment, streamlining level management. The traditional discrete audio path uses API 2510 and 2520 opamps plus a proprietary output transformer. An illuminated gain-reduction VU meter and LED keep compression activity visible during tracking or mixing.

API 525A 500 Series Compressor/Limiter product detail
Product studyAPI 525A 500 Series Compressor/Limiter
API 525A 500 Series Compressor/Limiter alternate view
Alternate view

Strong match

Who this is for

  • Tracking or mixing when attack and release response need deliberate adjustment.
  • Studio workflows that benefit from linked threshold and makeup-gain control.
  • 500 Series dynamics processing with visual gain-reduction monitoring.

What matters in use

The specifications, translated

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.

API 525A 500 Series Compressor/Limiter construction detail

Detail 01

Attack: 15 µs to 15 ms

Sets how quickly the compressor responds.

Detail 02

Release: seven modes, 0.05–2.0 seconds

Offers seven recovery-time selections.

Detail 03

2:1 compression / 20:1 limit

Provides separate compression and limiting ratios.

Detail 04

Maximum gain reduction: 25 dB

States the module's maximum listed gain reduction.

Detail 05

Hardware bypass

Provides a hardware bypass path for the signal.

Detail 06

Illuminated VU meter and LED

Shows gain reduction visually.

Final check

Know before you order

  1. 01This is a 500 Series module with an API 500 edge connector.
  2. 02Its power requirement is 3 watts and it is VPR Alliance compliant.
API 525A 500 Series Compressor/Limiter close-up

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01What does the Ceiling control do?

It adjusts threshold and makeup gain together.

02How many release settings are available?

Seven, ranging from 0.05 to 2.0 seconds.

03Can it operate as a limiter?

Yes. Its listed limit ratio is 20:1.

04How is gain reduction metered?

With an illuminated analog VU meter and a gain-reduction LED indicator.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

4 detailsOther
Category Source
detail
Tier
new
Korena Special
false
Source Id
site51500000450787