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OPERATIONAL NOTES
SWITCHING ON
The power switch is located on the lower left hand corner of the front panel. Push the top of the
rocker switch (1) to turn on the amplifier and the bottom of the rocker to turn off the amplifier.
The LED on the right side of the front panel will illuminate indicating that the amplifier is
operating.
RUNNING
It is not recommended that you leave your amplifier permanently switched on. This only wastes
electricity and tube life. Your amplifier has solid state rectification and reaches peak operating
condition in approximately 30 minutes.
TUBE LIFE
As with all tubes, their quality degrades with age. This is due to cathode emission, a natural
process found in all tubes. We recommend that you have your amplifier checked every 3-4
years, depending on usage, usually the amplifier will require re-tubing after this time has
elapsed.
PANEL LAMP
The lamp which illuminates the front panel insert is easily replacable should it ever burn out. To
replace it use only the same type with the same or greater voltage rating. In these amplifiers, the
lamp is a FUSE LAMP STYLE 8V 0.15mA. Dimensions are 1/4" x 1 1/4". To replace the
lamp, first turn off the amplifier and unplug the power cord!
Remove the bottom cover and locate the lamp holder which sets behind the pront panel insert.
Do not touch any other components inside the amplifier as high voltages may be present even
after the amplifier is unplugged, sometimes for weeks! Carefully pry out the old lamp from the
clips and firmly replace with the new lamp of the same type and rating. Replace the bottom
cover after you are through.