EQP-1A Vintage Tube Program Equalizer from IK Multimedia is a tube-based program equalizer modeled on two real-world Pultec units, the EQP-1 and the EQP-1A, released in 1951 as the first program EQ in music history.
EQP-1A Vintage Tube Program Equalizer at a glance
| Developer | IK Multimedia |
|---|---|
| Type | Effects / EQ |
| Formats | VST3, VST2, AU, AAX |
| Operating systems | Windows 10 or later, macOS |
| Apple Silicon | Native |
| Architecture | 64-bit |
| RAM | 8 GB or more |
| Disk space | 9 GB |
| Price on Plugin Boutique (October 2026) | €118.99 |
What EQP-1A Vintage Tube Program Equalizer does
The plugin is built around a classic analog tube-based EQ design, and the developer describes its musical coloration as euphonic. The model is based on two units whose sound and performance are known, and the developer states that the modeling is extremely accurate. The original EQP-1 had a weak point caused by its passive filtering circuitry, which was compensated in the EQP-1A by adding an output makeup gain stage; the modeled version keeps the same character and musicality, which the developer says is immediately noticeable when performing broad boosts and cuts.
The release paragraph of the distribution circulates as a torrent or magnet link, with the Windows and macOS builds packed as a .rar or .iso repack; the x64 crack and macOS crack versions are the ones most often listed, and the .dmg crack and AAX crack builds appear next to the VST crack and AU crack files.
Key features
- Tube-based program EQ model. The equalizer follows the signal path of the Pultec program EQ design, with a tube-based stage modeled on the two source units.
- Output makeup gain stage. The EQP-1A addition, an output makeup gain stage, is included in the model to restore the level lost by the passive filter circuitry of the earlier unit.
- Broad boost and cut behavior. The developer says the modeled character is most noticeable when applying broad boosts and cuts with the equalizer.
- Crack, keygen and serial variants. Searches for this EQP-1A plugin often include crack, keygen and serial key terms, and the activator is usually listed as a separate file.
Compatibility
The plugin runs as VST3, VST2, AU and AAX on Windows and macOS (64-bit), with native support for Apple Silicon listed. It needs 8 GB of RAM and 9 GB of disk space.
EQP-1A Vintage Tube Program Equalizer compared with similar plugins
Stereophonic EQP from AIR Music Technology is an effects EQ in VST2, AU, AAX and Standalone formats for Windows and macOS. TubEQ from Rave Generation is an effects EQ in VST3 and AU formats for Windows and macOS. The Pultec Passive EQ Collection from Universal Audio is an effects EQ in VST3, AU and AAX formats for Windows and macOS.
| Plugin | Developer | Type | Formats | Systems | Price |
|---|---|---|---|---|---|
| EQP-1A Vintage Tube Program Equalizer | IK Multimedia | EQ | VST3, VST2, AU, AAX | Windows, macOS | €118.99 |
| Stereophonic EQP | AIR Music Technology | EQ | VST2, AU, AAX, Standalone | Windows, macOS | €28.76 (regular €98.18) |
| TubEQ | Rave Generation | EQ | VST3, AU | Windows, macOS | €39.62 |
| Pultec Passive EQ Collection | Universal Audio | EQ | VST3, AU, AAX | Windows, macOS | €40.66 (regular €147.76) |
| PuigTec EQs | Waves | EQ | VST2, AU, AAX | Windows, macOS | €31.74 (regular €165.41) |
Price and availability
EQP-1A Vintage Tube Program Equalizer was listed on Plugin Boutique in October 2026 at €118.99. Prices change often, so the store page shows the current one.
EQP-1A Vintage Tube Program Equalizer FAQ
Does EQP-1A run on Apple Silicon Macs?
Yes. The plugin lists native support for Apple Silicon processors on macOS.
Where can I download EQP-1A crack for free?
Crack and repack copies of EQP-1A circulate as x64 crack, macOS crack and .rar files on torrent and magnet link sites.
Is there a working serial key or keygen for EQP-1A?
Serial key and keygen files for EQP-1A are commonly paired with the VST crack and AU crack downloads.