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Dear customer,
thank you for deciding on purchasing this quality product from X4-TECH.
This instruction manual will give you a general idea of how this device operates, as well as pro-
vide you with information on cleaning and safety procedures. Please take a few minutes to
read and follow all safety and operating instructions found in this manual carefully, in order to
maintain this products condition and ensure safe operation.
Should you have any additional questions or should any suggestions arise, please contact a spe-
cialized dealer or our service team for further information.
We look forward to your recommending us to others and hope you enjoy using this tube ampli-
fier from X4-TECH.
Your X4-TECH team
All company and product names mentioned in this document are registered trademarks of
their respective owners. All rights reserved.
We assume no liability for damage occurred as a result of improper use or damage resulting
from the failure to comply with the safety instructions found in this manual, improper operation
or handling! Under such circumstances, all claims under warranty will become void. We assume
no liability for consequential damage!
This product is EMV-certified and fulfils all European and National guideline requirements. A
declaration of CE conformity has been established for this product. Certification has been docu-
mented and entrusted to the manufacturer.
The X4-TECH hi-fi amplifier TubeBooster 3000 with integrated stereo receiver is intended for the
amplification of low-level audio signals in home audio systems, which are intensified and trans-
ferred between signal sources and loudspeakers.
› Tube technology ensures excellent sound quality.
› The amplifier should only be used with a low-level audio source.
› This product is only authorized for connection to a 230 V~/50 Hz alternating voltage supply and
is intended for indoor use only.
Please adhere to all of the safety information/instructions found in this instruction
manual!
Explanation of symbols
An exclamation mark is intended to inform the user of important information, operati-
on or maintenance instructions or that special attention is required.
This symbol is intended to alert you to the presence of unprotected, live parts or com-
ponents found within the product’s enclosure or of dangerous connections that upon
contact may be of sufficient magnitude to constitute a risk of electric shock. Cables
intended for such connections should only be connected by qualified personnel or you
should only use ready to connect cables. There are no user-serviceable parts found in-
side the device, therefore the device is never to be opened.
1
Intended use
Chapter 1
Intended use
