Dangerous Music 2-Bus Manual - Halaman 10

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Sometimes problems that sound like ground loops are caused by other situations. These

require trouble shooting beyond the scope of this section and a qualified technician may

have to make a visit if help is needed.

Expansion Inputs and Connector Pin-Outs

The 2-Bus has an expansion input port that allows connecting other 2-Buses and 2-Bus

LT's, to increase the system size and capability. The 25-way 'D' connector on the rear

panel labeled REM/EXP is used for this purpose. The REM/EXP port is wired according

to the following chart. A pre wired expansion adapter for the 2-Bus is available when

multiple units are bought or additional units are ordered for a facility already using one.

Pin#

function

right +

right –

right shield

left +

left –

left shield

All the XLR connectors are pin 2 hot.

Pin 1 shield

Pin 2 + signal

Pin 3 - signal

So far, we have not seen Pin 1 hot (+), except after too many drinks...

The AC Mains cable

The mains cable uses a standard IEC connector. Please check the mains voltage

selector (the little red window next to the IEC connector on the power supply) to

make sure that it is correct for your location. The fuses for the voltage selection block

are _ ampere, fast blow AGC type.

RATING IN THE BLOCK!

or replacing a fuse. If a fuse blows repeatedly, this is a sign from Mother Nature that

something is wrong and the factory should be contacted for help at the link provided on

the Specifications page.

Please use pre-wired AC cables for this device unless a technically qualified person

makes the connections to a mains plug. In this case, use only high quality mains plugs

like Hubbel, Thomas & Betts, or similar. Remember, in America, Black is hot, White is

neutral, and Green is ground. In Europe, Brown is hot, Blue is Neutral, and Green with a

Yellow stripe is ground. It is critical to get this correct. Double check that it is!

Dangerous Music 2-Bus Manual

PLEASE DON'T PUT A FUSE OF LARGER

Disconnect the mains cable before changing the voltage