6 Recommendations for Optimum Use
•
Ensure that the quality of the mains supply is good enough and that it can supply the
required peak currents. In addition, good earthing is necessary to prevent noise, hum
and safety problems.
Be sure that the HE50 is built into a space with sufficient circulation of fresh air. A tem-
perature that is constantly too high leads to switching on and off of the thermal protec-
tion and considerably reducing the lifetime of the amplifier.
heated air to leave the flightcase. When more HE50s are built into one flightcase, in-
stall an extra fan in the case. Air flow of the HE50 goes from front to back.
Do not make connections to the amplifier or to any proceeding equipment with the am-
Repairs to the HE50 should only be carried out by any autorised Stage Accompany
Read this manual carefully. Tryout various functions described in this manual. In
A faulty fuse must ALWAYS be replaced by a new one of the same type and value! A
When built into a flightcase, ensure yourself that there are sufficient possibilities for the
plifier switched on
different fuse can cause permanent damage to the amplifier. All internal fuses are of
an automatic type, so they do not need to be replaced. Always disconnect the HE50
from the power supply before operating on the fuse holder! When a replaced fuse im-
mediately blows again, the amplifier is defect and should be repaired by an authorised
Stage Accompany service centre. Do not try to replace the fuse again because you
may risk further damage to the amplifier.
service centre. Never dismantle the HE50 yourself, you may risk damaging vital com-
ponents: moreover, the guarantee becomes irrevocably invalidated.
this way you will soon become familiar with the many possibilities that the HE50 of-
fers. It is just as important that your colleagues who will use the HE50 also read the
manual! With a good knowledge of the working of the HE50, it is possible to fully util-
ize its superior sound quality in every situation.
GOOD LUCK!
RECOMMENDA
T
IONS
stage accompany
R
HE50 USER MANUAL
6-1
