Instructions for ROLLS models including: DB425, DB425 4 Channel DI Passive Stereo Direct Interface, 4 Channel DI Passive Stereo Direct Interface, DI Passive Stereo Direct Interface, Passive Stereo Direct Interface, Stereo Direct Interface, Direct Interface, Interface

Manual

Rolls Corporation - Real Sound

PDF preview unavailable. Download the PDF instead.

manual DB425
The DB425 employs an exclusive, specially crafted audio transformer to transform signals from devices operating at either line or instrument levels into a finely balanced XLR output that aligns with professional standards. The incorporated ground/lift switches provide you with comprehensive authority over signal noise, enabling effective management of ground loops directly at the source.
What's in the box?
1 - Made in USA DB425
1 - This owners manual
Rolls Corporation Salt Lake City, UT 8/23

DB425 4 Channel DI

SPECIFICATIONS Input Impedance: Frequency Response: Output Impedance: Max Output Level: Connectors: Controls:
Weight: Dimensions:

20k Ohms 35 - 20kHz +/- 3 dB 600 Ohms +4 dBm 4 - XLR Male, 8; 1/4" Jacks 4 - Instrument/Line, 30 dB attenuation 4- Ground Lift switch 2.1 lb.
6.75" w x 4" d x 1.7" h

- Home - Studio - Broadcast ... Anywhere you need a professional 4 Ch. direct interface.

Connection guide

Channels 1 - 4 are identical in operation and features

XLR balanced output for connection to any
XLR mic input on a PA, mixer board or other device.

Ground - Lift switch for each output XLR.

GND LIFT

GND LIFT

GND LIFT

GND LIFT

OUTPUT 4 DB425 OUTPUT 3

OUTPUT 2

OUTPUT 1

DB425 INST

INST

INST

INST

LINE

LINE

LINE

LINE

INPUTS 1

INPUTS 2

INPUTS 3

Dual 1/4" inputs. These inputs are converted to mono so any stereo input will work along with any mono signal.

Switch to select input level. Instrument or line level.

INPUTS 4

Introducing the DB425 Audio Presenter DI: Your Ultimate Audio Solution. Experience seamless audio con-
nectivity with the DB425 Audio Direct Interface. This ingenious adapter offers a direct input, employing custom made fully potted balanced nickel laminated transformers for exceptional studio signal quality. Unlike active models, the DB425 is a passive device, eliminating the need for power, ensuring hassle-free integration
into your setup. Crafted with precision, the DB425 ensures optimal performance by offering a balanced XLR output. Seamlessly toggle between instrument and line modes with the dedicated switch, adding versatility to your audio connections. The built-in ground lift switch further enhances your audio fidelity by mitigating unwanted ground loop interference and hum. Designed to exceed the most stringent standards, the DB425
DI guarantees longevity and dependable service. Its rugged build and meticulous engineering make it the perfect impedance matching solution, facilitating the connection of unbalanced signals to balanced systems effortlessly. Elevate your audio experience with the DB425 ­ where quality and reliability converge.


Adobe PDF Library 9.0 Adobe InDesign CS4 (6.0)