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3) You can use it with a low wattage integrated or tube amplifier in a stand-
alone system for higher output current
There will be occasions where the loudspeaker load is too low for optimal
performance from a flea watt, and in this case you can consider F4's for the
purpose of getting as much as 100 watts into 2 ohms per mono-block. In this
arrangement you can also load the flea watt amp (not shown here) with a resistive
or other load which elicits the best performance from it.
Setup
The initial setup of the amplifier is very straight-forward. Place the amplifier in a
well-ventilated location, as it draws about 160 watts during operation and requires
as much opportunity to cool itself as possible. You should be able to put your
hands on the heat sink during operation. If you can't do this for 5 seconds or so,
they need more ventilation.
On the front panel there are two blue LED lights, one for each channel (or each
half of a mono-block), indicating power to the channel. On the rear panel you will
find a pair of RCA inputs, and XLR balanced input, speaker outputs, a fuse holder,
an AC power receptacle, and on/off switch.
The label will indicate a serial number and also what AC line voltage the amplifier
is set for. If the voltage is 120 VAC, then the fuse value will be a 3AG slow blow
fuse rated at 2.5 amps. If the voltage is 240 VAC, then the fuse will be rated at
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