Hi all,
I took a small amplifier circuit board out of something that was being thrown away and probably almost instantly lost what wrote down regarding what the wires were connected to
In the attached image you can see a circuit built around a jrc 4580dd.
The strip of wires that you can see are labeled as the following...
Cont
-15v
+15v
R
G
L
So I get the +/- 15 volts is my power in and R & L are for left and right speakers ?
Am I right in assuming G is ground and cont would run to the unocupied lugs on the left and right speakers.
I want to use this to build a little portable amp to plug my phone into I have the case design in wood all sorted but I am at this little bump and would really appreciate some help with the amp. This is my first project and ultimately want to build my own amp to fit the case probably a bit more powerful than what this circuit is capable of but im reading the jrc chip is a rather capable bit of kit, is this correct ? Also where does a ground go in a wooden case? I only ever see them screwed to a metal clip attached to a metal case, does this become void ?
Thanks for any help especially as a lot of this is probably really simple to some, I have forgotten pretty much everything bar ohms law from my electronics training 25 years ago as its a field I never went into but now need a hobby due to an illness that requires long periods of sitting around ignoring pain.
Cockney
I took a small amplifier circuit board out of something that was being thrown away and probably almost instantly lost what wrote down regarding what the wires were connected to
In the attached image you can see a circuit built around a jrc 4580dd.
The strip of wires that you can see are labeled as the following...
Cont
-15v
+15v
R
G
L
So I get the +/- 15 volts is my power in and R & L are for left and right speakers ?
Am I right in assuming G is ground and cont would run to the unocupied lugs on the left and right speakers.
I want to use this to build a little portable amp to plug my phone into I have the case design in wood all sorted but I am at this little bump and would really appreciate some help with the amp. This is my first project and ultimately want to build my own amp to fit the case probably a bit more powerful than what this circuit is capable of but im reading the jrc chip is a rather capable bit of kit, is this correct ? Also where does a ground go in a wooden case? I only ever see them screwed to a metal clip attached to a metal case, does this become void ?
Thanks for any help especially as a lot of this is probably really simple to some, I have forgotten pretty much everything bar ohms law from my electronics training 25 years ago as its a field I never went into but now need a hobby due to an illness that requires long periods of sitting around ignoring pain.
Cockney
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