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Slate Digital SD-PE1

Passive Power, Classic Character
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4.6
Rated 4.6 out of 5 stars
5 Reviews

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Description

The most unique passive equalizer ever made joins the ever-expanding lineup of processors that make up the Virtual Mix Rack ecosystem.

Meet SD-PE1!

The most unique passive equalizer ever made joins the ever-expanding lineup of processors that make up the Virtual Mix Rack ecosystem. SD-PE1 provides a realistic reproduction of a classic passive EQ while also providing unique features only possible through digital emulation and modeling. When it comes to idiosyncrasies, perhaps nothing outshines this EQ, as it does not operate like most EQs people are used to.

TOGGLE THE TUBE STAGE

A natural side effect of passive EQs is that the audio coming out of them will always be significantly quieter than the audio going in. To combat this, the original hardware featured a tube amplifier stage after the EQ. SD-PE1 makes it possible to turn this stage on and off, which means you can remove those saturation and color effects from the processed signal without a drop in output level.

MORE FLEXIBLE FREQUENCIES

On the original hardware model, frequency selection for processing was limited to what was presented on the front of the hardware. However, in addition to adding extra frequencies to each band, SD-PE1's frequency selection is both stepped and incremental. It's a tinkerer's paradise!

A PIECE OF PRODUCTION HISTORY

The piece of hardware that directly inspired this plugin has been a studio staple since it was first introduced in the early 1960s. The addition of SD-PE1 to Virtual Mix Rack's ever-expanding plugin ecosystem brings even more historic analog processing power and color right to your DAW.

Features

  • Passive program equalizer
  • Digitally modeled off legendary outboard unit
  • Additional frequencies for deeper processing
  • Stepped and incremental frequency selection
  • Toggle traditional tube-stage saturation on/off
  • Perfect for drums, bass, vocals, and mix bus

Tech Specs

macOS

  • Minimum OS: macOS Catalina (10.15) or later
  • Recommended OS: macOS Big Sur (11.x) or later
  • Processor / RAM: Intel or Apple Silicon, 4GB RAM
  • Plugin Formats: AU, VST2, AAX (64-bit host)

Windows

  • Operating System: Windows 10 or Windows 11
  • Processor / RAM: Intel or AMD Processor, 4GB RAM
  • Plugin Formats: VST2, VST3, AAX (64-bit host)


Authorization
Can be activated on an iLok 2 & 3 dongle or your local host computer (Machine-ID)

Reviews

4.6
Rated 4.6 out of 5 stars
Based on 5 reviews
Total 5 star reviews: 3 Total 4 star reviews: 2 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
5 reviews
  • SM
    Steve M.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    May 5, 2026
    Favorite Pultec

    I have several Pultec EQx and this is the best

  • YO
    yasuo o.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    Apr 30, 2026
    Powerful Low-End with Total Frequency Control

    It delivers fantastic power in the low frequencies, and the ability to freely set the exact frequency points is a huge advantage.

  • BC
    Brandon C.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    Apr 24, 2026
    Awesome

    Another fabulous plugin by Slate digital.

  • MW
    Michael W.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    Apr 23, 2026
    The best sounding Pultec emulation?

    Yes I do think so. It´s in the details and this one nails it.

  • AC
    angel c.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    Feb 14, 2026
    Must on vocals

    True!