API 5500 Equalizer

While it retains the classic sound and character of vintage API consoles, the 5500 is engineered for the modern studio. It features a fully balanced signal path and a true hardwire bypass, which eliminates the signal degradation often found in older, vintage console architecture.

It is excellent for both. The unit includes a unique range control specifically designed for mastering applications, allowing you to scale the gain of the EQ bands for finer, more precise adjustments without sacrificing the classic API tone.

The 5500 provides flexible I/O options with balanced XLR and 1/4-inch TRS inputs, along with XLR outputs. This makes it easy to integrate into most professional recording chains or mastering racks.

No, it is a compact 1U rack-mountable unit. Despite its small footprint, it packs a full dual-channel processor into a 19-inch wide by 11.25-inch deep chassis.

The use of high-quality discrete operational amplifiers and transformer-coupled outputs ensures exceptional headroom and a robust, clean signal. This design choice is what gives the unit its signature high-fidelity, punchy sound while maintaining signal integrity.