Blackstar U250 User Manual

Blackstar Amplification Ltd, Beckett House, 14 Billing Road, Northampton, NN1 5AW, UK
For the latest information go to: www.blackstaramps.com
Whilst the information contained herein is correct at the time of publication, due to our policy of constant improvement
and development, Blackstar Amplification Ltd reserves the right to alter specifications without prior notice.
Designed and Engineered by
Blackstar Amplification UK
152421M-1 03/18
Owner’s Manual
PRO BASS SYSTEM
THE
NEW
FACE
OF
BASS
U250, U500 & U250ACT

Blackstar U250 Specifications

General

Brand	Blackstar
Model	U250
Category	Amplifier
Language	English

Summary

Important Safety Instructions

Front Panel Controls (U250/U500)

Input and Gain Stage

Controls for bass guitar input, clipping indicator, pad switch, and gain.

Voice, EQ, and Response Selection

Select preamp voicing, adjust EQ, and tailor power amp response.

Drive and Effects

Compressor and Master Volume

Adjust compressor settings and overall amplifier output volume.

Rear Panel Connections (U250/U500)

Power and Footswitch

Mains power input, power switch, and footswitch connection.

Audio and Data Inputs

MP3/Line In and USB connections for audio playback and computer interface.

Line Outputs and Effects Loop

Headphones, Line Out, Emulated/DI, XLR Out, and Effects Loop I/O.

Unity Pro Bass U250ACT Active Cabinet

U250ACT Rear Panel Connections

Power and Input

Volume and Speaker Input