In a session
The real screen in a Pro Tools session: turning DRIVE and swapping parts. No sound. Filmed in the developer build of Pro Tools.
Five drawers
TUBE, POWER, IRON, SOLID STATE and TAPE. Click one and the real screen changes.

Try the 14-day demo
Every feature, no account needed.
Download for MacBuy $49₩69,000 in Korea, tax included
Features
- 38 parts: tubes, power tubes, transformers, solid state and tape
- Run slots A and B in series or parallel, swap them, blend with BALANCE
- DRIVE, MIX and OUTPUT knobs
- VU meter with calibration (CAL −18 to −4 dBFS)
- 46 factory presets plus your own
- Changing presets leaves OUTPUT alone
- Resizable window
OKS and OKS Free
| OKS | OKS Free | |
|---|---|---|
| Parts | 38 | 5 |
| Slots | 2 (A, B) | 1 |
| Factory presets | 46 | 8 |
| Price | $49 (₩69,000 in Korea, tax included) | Free |
Technical specifications
- macOS 11 or later, Apple Silicon and Intel
- AU, VST3 and AAX (Pro Tools)
- No iLok
- After you buy, use it on 2 computers
- Internet needed only when you first enter the key
- Windows follows after the Mac release
