Margules SF 220 Manual De Instrucciones página 16

REAR PANEL: CONECTIVITY (CONT):
LEFT
CONECTIVITY:
6: Electric Power Input / Outputs
(127VAC 15 AMP MAX): The input port feeds an electric current to power the equipment. The output is to
OPERATION:
When your SF 220 is connected for the first time, it is necessary to initialize the system, this is done by pressing the input
selector button.
Check that the volume is at the minimum level to avoid a sudden bump of sound that could damage your speakers.
As long as the SF 220 is connected to the electrical supply network, the vacuum tube´s filaments will always be working, so
the ignition will be immediate. The life expectancy of the valves or vacuum tubes does not decrease due to this fact, instead
it increases since the electronic cloud of the cathode is already formed when the high voltage is applied (when it is turned
on).
Turn on the equipment using the power switch on the remote control or the front of the equipment. If the power supply is
interrupted, allow the bulbs' filaments to heat up for a few seconds.
Select the input source by pressing the selector switch on the front panel or the remote control unit. This will turn on the blue
light on the front panel indicating the selected source.
The blue light below the vacuum tubes indicates that the unit is active. Now the high voltage the preamplifier is operational.
General Comments:
The unit is always warm, so it should be placed in a ventilated area, with at least one inch of air on the top and sides of the
equipment, to allow airflow and avoid overheating.
Always place your unit on a firm platform to avoid external vibrations, or that can imprint an unwanted tonal character. You
can alter the tonal characteristics by placing the unit on different types of stands such as rubber feet, spikes, etc.
RIGHT LEFT RIGHT
connect a Magenta QR-1 or QR-2 power conditioners or other equipment that needs to
be turned on simultaneously as the SF 220. This electrical output is controlled by
turning on the equipment and has a maximum capacity of 15AMP / 1800 W. Can be
use to plug the amplifier, but not recommended, the sound quality might be affected.
Avoid connecting noisy devices (switching power supplies) into it, might change the
tonal characteristics.
STEREO TUBE PREAMPLIFIER
SF 220
Lethal Voltage Inside
RS 232
ENGLISH - 15