darTZeel Audio CTH-8550 User Manual
CTH-8550 Integrated Amplifier
User Manual
Table of contents
1. Preliminary notes _______________________________________________________ 5
2. Introduction ___________________________________________________________ 5
3. Brief description ________________________________________________________ 5
4. Warranty ______________________________________________________________ 6
5. Installation ____________________________________________________________ 6
5.1. Unpacking _______________________________________________________________________ 6
5.2. Location ________________________________________________________________________ 6
5.3. Connections______________________________________________________________________ 6
6. The CTH-8550 in detail __________________________________________________ 7
6.1. Front panel ______________________________________________________________________ 7
6.2. Rear panel _______________________________________________________________________8
6.2.1 Fuse and voltage settings__________________________________________________________ 8
6.3. Remote control ___________________________________________________________________ 8
7. Activation key procedure _________________________________________________ 9
8. User parameters ________________________________________________________ 9
8.1. Main features_____________________________________________________________________ 9
9. How to set everything ____________________________________________________ 9
9.1. Power-on sequence _______________________________________________________________10
10. Full configuration and settings ___________________________________________ 10
11. Some advice and tips ___________________________________________________ 14
11.1. Cleaning and upkeep____________________________________________________________14
11.2. What not to do_________________________________________________________________ 14
12. Assistance ____________________________________________________________ 14
13. Technical data ________________________________________________________ 15
darTZeel CTH-8550 User Manual, version 1.0 Page 3 of 15
darTZeel CTH-8550 integrated amplifier
User Manual
1. Preliminary notes
Your CTH-8550 comes with a USB activation key
to provide the required identification data to your
CTH-8550‘s internal CPU.
You must use the USB activation key to “unlock”
your CTH-8550 the first time you operate it.
Until you complete its registration, your CTH-8550
will operate only for the 15 minutes following each
new powering on.
As part of the registration process, your dealer will
send to you the appropriate data file by e-mail.
Please refer to chapter 7, “Activation key
procedure” (page 9), for how to obtain your USB
activation-key data file.
Please read this user manual in its entirety.
We did our best to avoid making you fall asleep. We
hope to be successful in that regard… .
The CTH-8550 requires about 170 hours of playing
time before it approaches its full potential.
2. Introduction
Congratulations on your purchase of a darTZeel
CTH-8550.
The darTZeel CTH-8550 is the most advanced
analogue integrated amplifier yet designed.
This new musical component directly benefits from
our past experience in audio; yet, it has plenty of
innovative features, as you will discover while
reading this (we hope entertaining) user manual.
Designed for user-friendly operation, the CTH-8550
will provide you many years of absorbing pleasure,
as you listen to your favorite music.
The new fluorescent display’s comprehensive
menus greatly simplify setup and operation.
The CTH-8550‘s intuitive menu structure has
allowed us to keep this user manual comparatively
brief.
3. Brief description
Your CTH-8550 represents the culmination of all
the research and development we have brought to
the audio industry over the past decades.
Our passion and love for music and its reproduction
have been embodied in the CTH-8550.
The challenging goals we set for ourselves were to
design and then build a “no compromise, all-in-one
music machine.”
You will experience the result very soon, when you
listen to your favorite records.
With no fewer than nine inputs–including optional
phono inputs–and two preamp outputs, the
darTZeel CTH-8550 is the ideal modern integrated
amplifier to fit into any high-end audio system.
Thanks to its newly-developed output stages,
driving any real-world loudspeaker load will be just
another day at the office for the CTH-8550.
With the CTH-8550’s more than 200 watts into 8
ohms, and close to 350 watts into 4 ohms, even lowsensitivity speakers will put out plenty of volume
during your most demanding—dynamically
speaking—listening sessions.
The new power circuits use only three junctions in
the signal path, offering truly musical, fast,
transparent reproduction.
Furthermore, in those “green” days, we are proud to
say the CTH-8550 runs very cool, saving on your
electrical bill.
This integrated amplifier actually marks a new
milestone in darTZeel history, by introducing
features you will not find elsewhere.
Hey, this is a darTZeel machine, isn’t it?
From the technical point of view, there is no doubt
that the CTH-8550 is a very special machine.
As for the most important thing you can ask for, and
we obviously mean the music, you will simply find
it… Enthralling.
Sometimes it is possible to deliver high technology,
while at the same time saving some trees... .
darTZeel CTH-8550 User Manual, version 1.0 Page 5 of 15
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