May be wrong but what I saw is a single channel 30W Class A amplifier, 2 required for Stereo, plus larger power transformer and *huge* heatsink, maybe a fan too.
Not too guitar friendly.
Not too guitar friendly.
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Show posts MenuQuote from: g1 on September 29, 2017, 01:37:22 PM
Yes, heat.
In this case, the heat is a result of the power going to the speaker. Voltage squared, divided by the resistance of the voice coil.
Why does the power from DC burn the coil, when AC voltage usually does not?
DC is constant polarity, so the coil sits in place. The usual heatsinking of the magnet and polepiece when the coil is moving from AC does not take place.
Often the DC is even big enough to push part of the coil out of the gap, and that part will burn first.
QuoteJM can you please clarify this. When data sheets (and I quote the LM3886 here) says things like:They are speaking with the Dictionary in hand, which is fine with me.
"68W cont-avg-output power into 4 ohms" or "38W cont-avg-output power into 8 ohms"
what does the term "cont-avg-output power" mean?
is that their way of saying 68w RMS or 38 RMS?
Quotecont-avg-output poweris what average people on the street (and thousands of brohures, magazine articles, user manuals and probably even some books) calls "RMS power".
Quote from: zadmight on September 11, 2017, 03:52:03 AMOuch !!!
I did it but the result wasn't what I expected ... the sound is still pretty "cold"
I roll back and then start building a Guitar Tube Pedal... Hope to get some more warm sound this way