Preliminary, Tube replacement – Jas-Audio BRAVO 2.3SE User Manual
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Preliminary
The front panel of Bravo 2.3 features a step-less negative feedback knob that regulates amount of
signal feedback in music playing for meeting individual preferences. Signal input to 4 sets of RCA
female plugs is selectable by the selector on the right of the panel. Power switch is located on the left
of the panel.
Negative feedback knob Selector
It is important to be careful with tube installation. Please do not force anything,
easy does it! This precaution is mentioned to help you obtain pleasing results and
avoid damage! If you have any trouble replacing or changing tubes, please don’t
hesitate to call your dealer!
Tube Replacement
Caution: Make sure the amplifier has been unplugged for 30 minutes from the AC mains before
replacing the tubes. This is to avoid any risk of shock or discomfort from high temperature.
Although tube life span varies depending on the nature and degree of use, the 6C33 output tubes
and the 6J4P driver tubes should last years in the Bravo 2.3 under normal home use.
Cautionary Terms
When the following cautionary terms are used in this manual, these definitions
apply:
Electrical hazard! Misuse or failure to follow instructions properly may result
in personal injury or death!
CAUTION: No risk of personal injury; however, misuse or failure to follow
instructions may result in damage to equipment.
NOTE: No risk of personal injury or equipment damage; however, misuse or
failure to follow instructions may prevent proper performance
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