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API AUDIO 525 500-Series Compressor Module
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API AUDIO 525 500-Series Compressor Module

API AUDIO 525 500-Series Compressor Module

API AUDIO 525 Overview

Offering an exact reissue of the famed original from the early '70s, the API Audio 525 is a peak-detecting feedback-style compressor and limiter module for 500-series racks. Sporting variable threshold and output levels, an analog VU meter for monitoring gain reduction, and a unique Ceiling control, which combines key functions, the 525 is a versatile vintage dynamics processor.

The unit sports a compression/limit switch, which sets the compression ratio to either 2:1 or 20:1. The attack time is as fast as 15Ā ?s and is fixed, in order to catch the fastest peaks and avoid the pumping effect. Four auto-release modes can be selected via two switches, and a de-ess function can be used to quash excessive sibilance and vocal pops. The 525 also features a hardwired bypass switch and balanced input and output. You can link two or more 525 modules for stereo processing and multichannel compression.

Reissue of a Classic
The API 525 is an exact reissue of the original 525 discrete compressor released in the early 1970s. It artfully combines API's proprietary transformers and the 2510 and 2520 op-amps while exhibiting the reliability, long life, and uniformity which is characteristic of all API products.
Dynamic Controls
An input (threshold) control and output (make-up gain) control are provided, along with an additional Ceiling fine-tune function which can increase gain reduction (lower threshold) while simultaneously raising the output level to match, so the user can alter dynamics on the fly without level changes. Four auto release modes are offered via two switches: 0.1, 0.5, 1.5, and 2.0 seconds.
Fine-Tuned Operation
Release times vary with frequency. High-frequency and full bandwidth content is released faster than lower frequencies, for natural envelope tracking. Attack time is fixed, chosen to catch the fastest peaks without pumping. Equally useful as a tracking, mixdown, or program compressor/limiter, the 525 utilizes vintage dynamics control and an easy to use multifunction control set.

Items Included

  • API AUDIO 525 500-Series Compressor Module
  • Limited 5-Year Manufacturer Warranty

Not Included

Additional Resources

    API AUDIO 525 Specs

    General
    Input Impedance
    60 Kilohms (Balanced)
    Output Impedance
    75 Ohms (Transformer Coupled, Balanced)
    Maximum Input Level
    +27 dBu
    Maximum Output Level
    +28 dBu
    Attack Time
    15us
    Release Time
    0.1, 0.5, 2, and 2.5s
    Frequency Response
    20 Hz to 40 kHz (?0.5 dB)
    Signal-to-Noise Ratio
    112 dB
    Power
    Power Source
    Proprietary Interface
    Power Consumption
    3 W
    Physical
    Mounting
    Front: 2xĀ 500 Series Rack Screw
    Color
    Black
    Material of Construction
    Metal
    Dimensions
    7 x 5.25 x 1.5" / 17.8 x 13.34 x 3.8Ā cm
    Weight
    1.8Ā lb / 0.8Ā kg

    All product and company names are trademarksā„¢ or registeredĀ® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
    $672.81

    Original: $2,242.70

    -70%
    API AUDIO 525 500-Series Compressor Moduleā€”

    $2,242.70

    $672.81

    API AUDIO 525 500-Series Compressor Module

    API AUDIO 525 Overview

    Offering an exact reissue of the famed original from the early '70s, the API Audio 525 is a peak-detecting feedback-style compressor and limiter module for 500-series racks. Sporting variable threshold and output levels, an analog VU meter for monitoring gain reduction, and a unique Ceiling control, which combines key functions, the 525 is a versatile vintage dynamics processor.

    The unit sports a compression/limit switch, which sets the compression ratio to either 2:1 or 20:1. The attack time is as fast as 15Ā ?s and is fixed, in order to catch the fastest peaks and avoid the pumping effect. Four auto-release modes can be selected via two switches, and a de-ess function can be used to quash excessive sibilance and vocal pops. The 525 also features a hardwired bypass switch and balanced input and output. You can link two or more 525 modules for stereo processing and multichannel compression.

    Reissue of a Classic
    The API 525 is an exact reissue of the original 525 discrete compressor released in the early 1970s. It artfully combines API's proprietary transformers and the 2510 and 2520 op-amps while exhibiting the reliability, long life, and uniformity which is characteristic of all API products.
    Dynamic Controls
    An input (threshold) control and output (make-up gain) control are provided, along with an additional Ceiling fine-tune function which can increase gain reduction (lower threshold) while simultaneously raising the output level to match, so the user can alter dynamics on the fly without level changes. Four auto release modes are offered via two switches: 0.1, 0.5, 1.5, and 2.0 seconds.
    Fine-Tuned Operation
    Release times vary with frequency. High-frequency and full bandwidth content is released faster than lower frequencies, for natural envelope tracking. Attack time is fixed, chosen to catch the fastest peaks without pumping. Equally useful as a tracking, mixdown, or program compressor/limiter, the 525 utilizes vintage dynamics control and an easy to use multifunction control set.

    Items Included

    • API AUDIO 525 500-Series Compressor Module
    • Limited 5-Year Manufacturer Warranty

    Not Included

    Additional Resources

      API AUDIO 525 Specs

      General
      Input Impedance
      60 Kilohms (Balanced)
      Output Impedance
      75 Ohms (Transformer Coupled, Balanced)
      Maximum Input Level
      +27 dBu
      Maximum Output Level
      +28 dBu
      Attack Time
      15us
      Release Time
      0.1, 0.5, 2, and 2.5s
      Frequency Response
      20 Hz to 40 kHz (?0.5 dB)
      Signal-to-Noise Ratio
      112 dB
      Power
      Power Source
      Proprietary Interface
      Power Consumption
      3 W
      Physical
      Mounting
      Front: 2xĀ 500 Series Rack Screw
      Color
      Black
      Material of Construction
      Metal
      Dimensions
      7 x 5.25 x 1.5" / 17.8 x 13.34 x 3.8Ā cm
      Weight
      1.8Ā lb / 0.8Ā kg

      All product and company names are trademarksā„¢ or registeredĀ® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

      Product Information

      Shipping & Returns

      Description

      API AUDIO 525 Overview

      Offering an exact reissue of the famed original from the early '70s, the API Audio 525 is a peak-detecting feedback-style compressor and limiter module for 500-series racks. Sporting variable threshold and output levels, an analog VU meter for monitoring gain reduction, and a unique Ceiling control, which combines key functions, the 525 is a versatile vintage dynamics processor.

      The unit sports a compression/limit switch, which sets the compression ratio to either 2:1 or 20:1. The attack time is as fast as 15Ā ?s and is fixed, in order to catch the fastest peaks and avoid the pumping effect. Four auto-release modes can be selected via two switches, and a de-ess function can be used to quash excessive sibilance and vocal pops. The 525 also features a hardwired bypass switch and balanced input and output. You can link two or more 525 modules for stereo processing and multichannel compression.

      Reissue of a Classic
      The API 525 is an exact reissue of the original 525 discrete compressor released in the early 1970s. It artfully combines API's proprietary transformers and the 2510 and 2520 op-amps while exhibiting the reliability, long life, and uniformity which is characteristic of all API products.
      Dynamic Controls
      An input (threshold) control and output (make-up gain) control are provided, along with an additional Ceiling fine-tune function which can increase gain reduction (lower threshold) while simultaneously raising the output level to match, so the user can alter dynamics on the fly without level changes. Four auto release modes are offered via two switches: 0.1, 0.5, 1.5, and 2.0 seconds.
      Fine-Tuned Operation
      Release times vary with frequency. High-frequency and full bandwidth content is released faster than lower frequencies, for natural envelope tracking. Attack time is fixed, chosen to catch the fastest peaks without pumping. Equally useful as a tracking, mixdown, or program compressor/limiter, the 525 utilizes vintage dynamics control and an easy to use multifunction control set.

      Items Included

      • API AUDIO 525 500-Series Compressor Module
      • Limited 5-Year Manufacturer Warranty

      Not Included

      Additional Resources

        API AUDIO 525 Specs

        General
        Input Impedance
        60 Kilohms (Balanced)
        Output Impedance
        75 Ohms (Transformer Coupled, Balanced)
        Maximum Input Level
        +27 dBu
        Maximum Output Level
        +28 dBu
        Attack Time
        15us
        Release Time
        0.1, 0.5, 2, and 2.5s
        Frequency Response
        20 Hz to 40 kHz (?0.5 dB)
        Signal-to-Noise Ratio
        112 dB
        Power
        Power Source
        Proprietary Interface
        Power Consumption
        3 W
        Physical
        Mounting
        Front: 2xĀ 500 Series Rack Screw
        Color
        Black
        Material of Construction
        Metal
        Dimensions
        7 x 5.25 x 1.5" / 17.8 x 13.34 x 3.8Ā cm
        Weight
        1.8Ā lb / 0.8Ā kg

        All product and company names are trademarksā„¢ or registeredĀ® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
        API AUDIO 525 500-Series Compressor Module | Tanotis