DBX PB-48

A 19-inch Rack Format Designed for Clean and Scalable Wiring

A patchbay is the key tool to organize a studio and avoid constantly plugging and unplugging the back of your audio interfaces, preamps, compressors, effects, or consoles. With its 48 points in 6.35 mm and 19-inch rack format, this model naturally fits into a flight case or studio rack and becomes the nerve center of your audio chain.

Its philosophy is simple: everything stays connected at the rear, and you only handle the front panel to test, reroute, insert a processor, or create a new recording chain in seconds.

Who Is It For, and What Are Its Uses?

This patchbay is aimed at musicians and sound engineers who want to save time and make their setup more reliable, from serious home studios to professional studios. It is especially suitable for environments with multiple sources and processing: vocal and instrument tracking, reamping, dynamics inserts, sends to effects, or quick comparison of processing chains.

In live settings, it is also relevant in a rack to secure connections and simplify configuration changes while maintaining immediate access to patch points.

Features and Innovations

The strength of this patchbay lies in its wiring versatility. Each 6.35 mm point accepts balanced or unbalanced connections, facilitating the integration of heterogeneous equipment (pro studio gear, pedals, synths, direct boxes, etc.). The nickel-silver contacts and self-cleaning contact system contribute to a stable connection, with fewer false contacts during repeated patching.

Normalization is user-configurable: choose half-normalled mode to maintain a "default" audio path while allowing deviations, or switch to de-normalled for completely free patching. This flexibility makes it a solid foundation for building clear, scalable routing that is quick to troubleshoot.

Technical specifications

Number of channels

48

U-height

1

Patch points	48 (2 rows of 24)	Chassis dimensions (H x W x D)	1.75 inches x 19 inches x 2.6 inches (44 mm x 482 mm x 68 mm)
Jacks	6.35 mm "phone" type, balanced or unbalanced, nickel-silver, self-cleaning contacts	Module dimensions (H x W x D)	1.4 inches x 0.6 inch x 2.6 inches (40 mm x 18 mm x 68 mm)
Normalization	half-normalled or de-normalled, user-configurable	Shipping weight	2.3 lb (1.1 kg)