Goldmund TELOS 350 Bedienungsanleitung
USER MANUAL
GOLDMUND TELOS 350
Universal Power Amplifier
GOLDMUND TELOS 350 - Universal Power Amplifier - 2
Thank you for purchasing the GOLDMUND TELOS 350.
You have acquired the best Universal Power Amplifier ever made for professional and
domestic uses.
Please take some time to read this manual. It will provide you with useful information to
make your pleasure of listening to the TELOS 350 even higher.
INTRODU TION
GOLDMUND TELOS 350 – Universal Power Amplifier
Goldmund was founded in 1978 and has ever since been dedicated to the accurate
reproduction of sound and image.
At Goldmund, we strive to lead in the creation, development and manufacture of the
industry’s most advanced technologies, including audio and video systems, home -
networking and music distribution.
The guiding principle at Goldmund is to produce a precise sound with the least possible
loss of quality through the different stages. Goldmund will never adopt a technology before
it is sufficiently developed to satisfy the high quality standards we set. This is why
Goldmund has often rejected mainstream technologies and developed its own.
GOLDMUND TELOS 350 - Universal Power Amplifier - 3
Table of ontents
1 UNPA KING 4
1 UNPA KING 5
2 AMPLIFIER LO ATION & OOLING 6
3 LINE VOLTAGE ADJUSTMENTS 7
4 ONNE TIONS 8
5 AMPLIFIER ONTROLS 9
6 SAFETY FEAT U R E S 12
7 MAINTENAN E 13
8 TE HNI AL DATA 14
GOLDMUND TELOS 350 - Universal Power Amplifier - 4
W A R
W A R W A R
W A R N I
N I N I
N I N
N N
N G !
G ! G !
G !
No connection or manipulation must be done
before reading these instructions. Damage to
the amplifier may result if the following
instructions are not consciously understood
and applied.
These extremely high quality amplifiers
possess new technical features which are a
necessity for accurate sound reproduction in
the best audio systems.
Only careful installation and use can provide
the satisfaction you are expecting.
The installation instructions must be carried
out in full and the mentioned precautions
taken to get the expected result and to avoid
impairing the amplifier’s performance.
GOLDMUND TELOS 350 - Universal Power Amplifier - 5
1 UNPA KING
You will find in the GOLDMUND TELOS 350 box:
- The amplifier
- The power cord
- This manual
Please keep the packaging in case you need to transport the amplifier at a later date.
ATTENTION
ATTENTIONATTENTION
ATTENTION
IF YOU NEED TO RETURN THE TELOS 350 TO THE FACTORY OR TO YOUR LOCAL
REPRESENTATIVE FOR A WARRANTY REPAIR, PLEASE NOTE THAT IT MUST BE
REPACKED IN THE ORIGINAL PACKAGING.
THIS PACKAGING HAS BEEN DESIGNED SPECIFICALLY TO PROTECT YOUR TELOS
350 IN TRANSIT.
USE OF ALTERNATIVE PACKAGING IS LIKELY TO RESULT IN DAMAGE,
INVALIDATING WARRANTY COVER.
GOLDMUND TELOS 350 - Universal Power Amplifier - 6
2 AMPLIFIER LO ATION & OOLING
The GOLDMUND TELOS 350 amplifier, as all high quality amplifiers, generates a large
amount of heat when driven at high levels and must be vented properly. It is mandatory to
allow a proper cooling of the heat sinks. Do not put temperature sensitive equipment on top
of the amplifier.
Due to its weight, and to maximize the effect of the built-in "Mechanical Grounding"
construction, the TELOS 350 can be located on the floor or on other very strong supports if
they offer rigid transmission to the floor.
The TELOS 350 is built on four rubber feet to ensure proper the amplifier support. This
avoids all detrimental vibrations inside the amplifier, following the famous GOLDMUND
"Mechanical Grounding" principle.
If you use more than one TELOS 350 at any location, you may decide to stack them. You
may stack up to 3 amps provided extra care is taken to ensure proper air circulation vents
the side heat-sinks.
GOLDMUND TELOS 350 - Universal Power Amplifier - 7
3 LINE VOLTAGE ADJUSTMENTS
A voltage selection is provided inside the amplifier.
If your line voltage is not adapted to the voltage indicated on the serial plate of the
amplifier, please consult your local GOLDMUND dealer for internal adjustment.
ATTENTION
ATTENTIONATTENTION
ATTENTION
On the 220V configuration, the GOLDMUND TELOS 350 amplifier will function properly for
main line voltage between 190V and 245V. On the 110V configuration, the main line must
deliver between 95 and 125V. If your main line is usually out of these tolerances, please
consult your GOLDMUND dealer.
Please check the value of the main line fuse. This fuse is located on the back panel of the
amplifier, above the power cord receptacles.
Use a 16A delayed fuse.
GOLDMUND TELOS 350 - Universal Power Amplifier - 8
4 ONNE TIONS
Connect the power cord to the back of the amplifier and plug it into the nearest wall plug.
Use only a 3 lugs grounded plug, for safety reasons. To get the best sound from the
amplifier, avoid any multiple plug or extension cord.
If used with an analog signal, connect the interconnect between the preamp and each
power amp and position the Analog/Digital input switch to analog.
When used with a digital input signal, connect the digital input cable to the digital input and
switch the input switch to digital. Since a digital Spdif cable carries 2 channels you may link
the digital output to the next amplifier to transfer the second channel.
Connect the speaker cable to one of the red and black terminals in the back of the
amplifier, or, if you use a Goldmund High Definition speaker cable, you can connect directly
from the speaker cable to one of the coaxial plugs on the back panel of the amplifier,
bypassing the amplifier adapter module of the speaker cable.
The 2 separate outputs (both 5 way post and coaxial) are connected internally in parallel.
They are provided to facilitate the connection in bi-wiring systems.
You may notice that the ground of the input plug and the black speaker terminal are the
same polarity. The amplifier is non-inverting in phase.
GOLDMUND TELOS 350 - Universal Power Amplifier - 9
5 AMPLIFIER ONTROLS
As soon as the amplifier is connected to AC line and the amplifier has not detected an error
previously, the yellow light on the amp front panel is ON.
The TELOS 350 may be powered on either manually (Manual Operation) or automatically
when receiving a signal (Auto-Power Operation). This is selected internally by the small
white 10-position circular selector located on the top circuit of the amplifier, close to the big
capacitors.
There is 1 position for Manual operation and 9 for Auto-Power operation. Positions 1
through 8 enable various delays to be set. This supports powering-up a quantity of
amplifiers without a big surge on the AC line.
Position 0: Manual Operation
Position 1: Power after 200ms
Position 2: Power after 400ms
Position 3: Power after 600ms
Position 4: Power after 800ms
Position 5: Power after 1s
Position 6: Power after 1.2s
Position 7: Power after 1.4s
Position 8: Power after 1.6s
Position 9: Power after 1.8s
GOLDMUND TELOS 350 - Universal Power Amplifier - 10
5 AMPLIFIER ONTROLS ( td.)
MANUAL OPERATIO
MANUAL OPERATIOMANUAL OPERATIO
MANUAL OPERATION
NN
N
On the front plate of the GOLDMUND TELOS 350 amplifier you will find one POWER
green light, one LOCKED orange light and one ERROR red light.
When first connected to mains power the 3 leds flash ones to indicate AC line detected.
The orange led will flash twice (equal time on and off) to indicate the initialization, at the
end of this sequence, the amplifier enters in STANDBY mode. The orange led flashes
slowly.
Once in STANDBY mode, a short key press (<1 second) switches the amplifier ON, the
green led will flash five times indicating the initialization in POWER UP mode. The green
led is permanently illuminated in this mode.
If the digital input is not used, the orange led is turned off, showing there is no lock and the
amp remains muted until a lock is found. With a digital input, the amp is immediately
operational and the orange led illuminated
The amp may be returned to STANDBY mode with a short key press. A long key press (>2
seconds) takes the amplifier in POWER OFF mode.
If an error is detected the red Led will be illuminated. Once the cause of the error has been
removed, the amplifier can be returned to STANDBY mode with a long key press.
These security features are provided to reduce the risk of accidental POWER ON or
POWER OFF and to protect the amplifier in ERROR mode.
Power up sequence:
•Progressive charge of high power
capacitors to limit peak current on
AC line
•Switch on high power supply on
output stage
•Wait stabilisation of high power
supply
•Unmute input
•Unmute ouput
Power down sequence:
•Mute ouput
•Mute input
•Switch off high power supply on
output stage
•Switch off main power
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