Revision as of 17:27, 15 December 2006

Testing Speakers

Speakers are tested for functionality and good tone. The good ones are then distributed throughout the building (Build, Thrift Store, or Infrastructure.) The ones that don't make the cut are recycled.

   TO RECYCLE SPEAKERS:
   Cut off the cord and put it in the shopping cart with other cords.
   Remove batteries if included.
   Place speakers in CBM recycling.

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How to Find a Power Adaptor

If you find power information on the speakers (voltage and maybe amperage), select a power adaptor that matches
If you cannot find power information, try any one that fits to test. If the plug is still not the right voltage or amperage for the speakers, a buzzing sound will happen when you turn the speakers on.

To Test Speakers

Find a set of speakers with corresponding power adaptor
Plug in the speakers to the headphones jack on the stereo system and plug the power adaptor into the power strip.
Set the dial to your favorite radio station.
Listen for quality of tone, crackling, buzzing, etc.
- If the speakers sound good, place a gizmo id sticker on each speaker AND the power adaptor, and then put everything in a plastic bag.
- If the speakers do not sound good, then recycle them!

@@ Line 1: / Line 1: @@
-The primary goal of ''speaker testing'' is to weed out broken speakers and pair working speakers with thier appropriate power bricks to send off to the [[Build_Workshop]].
+=Testing Speakers=
-==Quick Guide==
+Speakers are tested for functionality and good tone.  The good ones are then distributed throughout the building (Build, Thrift Store, or Infrastructure.)  The ones that don't make the cut are recycled.
-*Find a pair of matching speakers on the shelf.
-*Look on the back of the main speaker and try to find power information.
-**If you find power information (voltage and maybe amperage), select a power brick that matches.
-**If you cannot find power information, take one of the tester bricks (should be in one of the outlets) and go through until you get a plug to fit. If the plug is still not the right voltage or amperage for the speakers, a buzzing sound will happen when you turn the speakers on.
-*Once you have paired a power brick with matching speakers, plug the speakers into the stereo headphone jack and plug the power brick into the outlet. Tune into your favorite radio station and see if everything sounds right.
-*If the sound isn't distorted, put a matching gizmo id on each speaker and the power brick if there is one. Bag them up and put them in a basket to take back to the [[Build_Workshop]].
-==Power Brick Sorting==
+    '''TO RECYCLE SPEAKERS:'''
-We get a lot of power bricks in reciving and most of them all look the same. If they are simply dumped into bins unorganized, it can take quite a long time to find the right brick for a pair of speakers. One of the tasks of reciving / speaker testing is sorting power bricks into proper voltage bins. Once the bricks are in the right bins, speaker testing can process speakers much faster.
+    Cut off the cord and put it in the shopping cart with other cords.
+    Remove batteries if included.
+    Place speakers in CBM recycling.
-Currently we have four different organized bins. This system probably needs to be revised as we see how many bricks of a specific voltage we get (there may not be enough 6 volt bricks to justify a separate bin). One possibility is to have a bin for "Under 10 volts" another bin for "above 20 volts" etc.
+<graphviz>
+digraph{
-===Current Bins===
-*6 Volt AC/DC
-*9 Volt AC/DC
-*12 Volt AC/DC
-*15 Volt AC/DC
+start [label="START HERE", shape="box", fontsize="12"]
+aesthetic  [label="Are the speakers old, dingy, yellowed,\n dirty, or visibly broken?", fontsize="12"]
+RECYCLE [label="RECYCLE!!!", fontsize="12"]
+poweradaptor [label="Do the speakers need a power adaptor\n (i.e. need to be plugged into an outlet)?", fontsize="12"]
+findpower [label="Find a corresponding power adaptor\n(they're organized by voltage)", fontsize="12")
-[[Category:Howto]]
-[[Category:Hardware_Testing]]
+test [label="Plug it in and\n TEST IT!!!", fontsize="12"]
+start -> aesthetic
+aesthetic -> RECYCLE[label="YES"]
+aesthetic -> poweradaptor[label="NO"]
+poweradaptor ->findpower[label="YES"]
+poweradaptor ->test[label="NO"]
+</graphviz>
+==How to Find a Power Adaptor==
+* If you find power information on the speakers (voltage and maybe amperage), select a power adaptor that matches
+* If you cannot find power information, try any one that fits to test. If the plug is still not the right voltage or amperage for the speakers, a buzzing sound will happen when you turn the speakers on.
+==To Test Speakers==
+#Find a set of speakers with corresponding power adaptor
+#Plug in the speakers to the headphones jack on the stereo system and plug the power adaptor into the power strip.
+#Set the dial to your favorite radio station.
+#Listen for quality of tone, crackling, buzzing, etc.
+#*If the speakers sound good, place a gizmo id sticker on each speaker AND the power adaptor, and then put everything in a plastic bag.
+#*If the speakers do not sound good, then recycle them!

Difference between revisions of "Speaker Testing"

Revision as of 17:27, 15 December 2006

Testing Speakers

How to Find a Power Adaptor

To Test Speakers

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