Altmann BYOB Informationen für Kunden - Seite 3
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OPERATIONAL & SAFETY INSTRUCTIONS
Checklist:
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If you barely know the difference between a plus pole and a minus pole, let someone help you to do the job.
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A car battery is a very powerful device. Please never short circuit the plus and minus pole of your battery, as it
may become very hot, or even explode. Keep any metal objects that are not needed for operation away from
the battery. Keep the battery out of the reach of children.
•
Please use only a 12V car battery. Do not use a 24 Volt truck battery.
•
Please use only a car battery charger that is designed to charge 12 V car batteries.
•
Before connecting a battery charger to the battery, disconnect the power cable from the BYOB amplifier.
Reconnect only after disconnecting the battery charger from the battery.
•
The blue LED of the BYOB amplifier indicates the battery charge. It lights bright when the battery is fully
charged (12V). If it lights dim, the battery charge is about 10..11 Volt. The blue LED goes off, when the battery
charge is below 10 Volt. Please charge the battery, when the blue LED is off or dim or if it softly blinks with the
music being played.
•
Every Altmann BYOB product needs to be connected with the proper polarity. Each BYOB amp comes with a
battery cable, that is tested together with your BYOB amp before shipping, and is in the right polarity. The
battery cable has a red (+, plus) wire and a black (-, minus, ground) wire. The red wire is connected to the plus
battery pole clamp, which has a large pole diameter. The black wire is connected to the minus battery pole
clamp, which has a small pole diameter. This way, when connecting the clamps to a standard car battery, you
cannot change the polarity since the large pole clamp only fits the large diameter plus-pole of the battery, and
vice versa. The other end of the supplied battery cable is screwed to the byob connector in the right
polarity, and can only be plugged into the amp with the right polarity. So unless you behave very stupid, you
cannot do anything wrong. If, for any reason, you change or modify the battery cable and reverse the polarity,
you will smoke your BYOB amp immediately. This is not covered by the guarantee.
•
Any Altmann BYOB product is sensible to humidity and fluids. If it comes in contact with any fluid (i.e. water,
beer, wine, oil, etc.) it may fail. This is not covered by the guarantee.
•
Any Altmann BYOB product is sensible to overvoltage. The maximum voltage is 18 Volt. This is especially
important, when you charge the battery. Always, before you connect a charger to the battery, disconnect the
BYOB. Reconnect the BYOB only after having disconnected the charger.
•
Do never connect or touch the speaker output posts with any cable that is not a speaker cable, as all speaker
posts may carry voltage (half of the supply voltage) with respect to battery ground (because of the bridged
operation of the amplifier). A simple rule to prevent this: Always switch the BYOB amplifier OFF, when you
want to connect or disconnect something.
•
Do not connect any part of the circuit board with any cable or metal object.
•
If you remove or loosen any of the screws that fix the BYOB circuit to the spruce board, the guarantee is void.
•
If you fail to observe the above precautions, and fry your BYOB, I will try to repair it at a reasonable cost.
•
If the output sounds distorted for any time, please turn the volume down, in order to prevent damage to your speakers.
The amp may clip, when the battery is weak or not charged, or you are simply too loud, or your speakers efficiency is
very low. Don't panic. You can attain crazy levels of volume and sound quality with the right speaker.
Connection Sequence: Toggle BYOB power switch in the OFF-position. Connect the speakers to the BYOB amp's speaker
posts. Speaker polarity is indicated. Connect the RCA input to the BYOB's RCA inputs. Connect the battery pole clamps of the
power cable to the battery. Connect the other end of the power cable to the BYOB's power input socket. Turn volume fully down
(anti-clock-wise). Toggle BYOB power switch in the ON-position -> blue LED lights up. Start source (i.e. CD, tape, phono). Turn
volume up a little. Enjoy...
DIPL.-ING. CHARLES ALTMANN · AM MÜHLENBUSCH 57 · 42781 HAAN · GERMANY · PHONE +49-2129-54 260
AMM reserves the right to make changes without further notice to any products herein to improve reliability, function or design.
ALTMANN
MICRO MACHINES