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multimeter (DMM). If you are not comfortable with using a DMM, either have an experienced friend
help you, or learn how by watching some YouTube videos on using a multimeter.
The Percolator is available wired for either 115-120VAC / 60hz OR for 230-235VAC / 50hz. You
must use the model appropriate to your region. If the power cord furnished with the Percolator has the
wrong plug for the type of receptacle used in your area, you must go to the hardware or electronics
store and obtain the appropriate GROUNDED adapter! Never defeat the grounding of the power
cord.
Amplifiers handle HIGH VOLTAGES, higher than what comes out of the wall outlet. If you do not know
what you are doing or you screw up this project, you could expose yourself or others to DEADLY HIGH
VOLTAGE! Amplifiers have devices in them called capacitors. Capacitors (or caps) store high-voltage
electricity for a long time, hours after the unit is turned off. If you do not know what you are doing,
and you handle the capacitors recklessly, YOU COULD KILL YOURSELF OR THE GUY NEXT TO YOU!
Zeppelin Design Labs LLC takes no responsibility for any harm that may come to anyone or anything
through this product.
This instruction guide is full of CAUTIONS, WARNINGS, and DANGERS. These are actually three
distinct things:
1. CAUTION indicates a potentially hazardous situation that, if not avoided, could result in minor
or moderate injury, like cutting or burning your finger.
2. WARNING indicates a potentially hazardous situation that, if not avoided, could result in
death or serious injury, like shocking yourself at a wall receptacle.
3. DANGER indicates an imminently hazardous situation that, if not avoided, will result in death
or serious injury. This word is limited to use in the most extreme situations.
Once your amp is complete and safely installed in its cabinet, it is no more dangerous than a toaster.
There is a warning label on the chassis reminding you and others of the hazards typical to any electric
appliance; but while under construction, with the chassis open and the components exposed, this
manual contains the warnings you need to stay safe!
BUILDING THE AMPLIFIER
WHAT YOU WILL NEED
Your Combo consists of three major assemblies: the Amplifier, the Cabinet, and the Baffle Board.
Following is a complete list of all the tools and supplies you will need to build the three assemblies.
Note that there are a variety of ways to build and finish a simple wood cabinet. These instructions will
show you how to build the cabinet the way we do it here in the Lab. If you prefer a different method, go
for it. Thus, the tools and supplies you end up using may be slightly different from what we show here.
TOOLS
1. Digital Multimeter, able to measure DC voltage, AC voltage, and Resistance
2. Screw Drivers (a cordless screw gun is handy but will not always be appropriate;
you will need these hand tools)
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