SD-PE1 from Slate Digital is a passive program equalizer, digitally modeled after a well-known outboard hardware unit, with an optional tube-stage saturation section.
SD-PE1 at a glance
| Developer | Slate Digital |
|---|---|
| Type | Effects / EQ |
| Formats | VST3, VST2, AU, AAX |
| Operating systems | Windows 10 or later, macOS 13 or later |
| Apple Silicon | Native |
| Architecture | 64-bit |
| Copy protection | iLok |
| RAM | 4 GB or more |
| Price on Plugin Boutique (October 2026) | €98.18 |
What SD-PE1 does
The plugin reproduces the behavior of a classic passive EQ. The developer notes that the original hardware added a tube amplifier stage after the EQ, and SD-PE1 keeps that stage as a switch that can be toggled on or off to add or remove the saturation coloration.
The release is commonly passed around as a crack, and the Windows build is typically packed as a repack in .rar or .iso, while the macOS build is searched as a macOS crack or .dmg crack; queries for SD-PE1 often pair the name with keygen, serial key, or torrent and magnet link, and a working serial is the string most often typed.
Key features
- Passive EQ character. The EQ is modeled on a passive program equalizer, which the developer describes as operating differently from active EQs.
- Tube stage toggle. A switch enables or disables the tube-stage saturation that follows the EQ in the original hardware.
- Stepped frequency selection. Frequencies are chosen in fixed steps, with additional frequencies added to each band compared with the hardware model.
- Crack, keygen and serial variants. Queries for SD-PE1 crack, keygen and serial key are common, and the iLok-protected build is the one most often searched as an iLok bypass.
Compatibility
SD-PE1 is available as VST3, VST2, AU and AAX for Windows 10 and macOS 13 in 64-bit builds, with native Apple Silicon support listed.
Plugins similar to SD-PE1
| Plugin | Developer | Type | Formats | Systems | Price |
|---|---|---|---|---|---|
| SD-PE1 | Slate Digital | EQ | VST3, VST2, AU, AAX | Windows, macOS | €98.18 |
| EQP-1A Vintage Tube Program Equalizer | IK Multimedia | EQ | VST3, VST2, AU, AAX | Windows, macOS | €118.99 |
| Summit Audio EQF-100 | Softube | EQ | VST3, VST2, AU, AAX | Windows, macOS | €157.68 |
| Passive-Active Pack | Softube | EQ | VST3, VST2, AU, AAX | Windows, macOS | €147.76 |
| Pultec Passive EQ Collection | Universal Audio | EQ | VST3, AU, AAX | Windows, macOS | €40.66 (regular €147.76) |
Price and availability
SD-PE1 was listed on Plugin Boutique in October 2026 at €98.18. Prices change often, so the store page shows the current one.
SD-PE1 FAQ
Does SD-PE1 run on Apple Silicon Macs?
Yes. Native support for Apple Silicon is listed, on macOS 13 or later.
Is there a working serial key or keygen for SD-PE1?
A working serial key or keygen is the string most often searched, and the release is circulated as a crack, repack or patch only build.