Cheap simple audio amplifiers.

You must have some very large sockets if something A6 size fits them.

I don't know who makes it, I bought it from Targus the computer bag making people, but it's a rebadged item, I'm fairly sure. Voltage selection and polarity is changed by changing the tip on the power lead. I have tips for my computer(s) and for my mobile phone and CD player. It saves having to cart a load of PSUs around.

It dangles. Short flexible lead to a 13A plug top.

Not a wall wart, then. Simply an external power supply.

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suitable

If you're handy witha soldering iron you could try this site:-

Believe me, it doesn't matter. Those all in one chips have thermal shutdown anyway.

I spent a large part of my life designing audio power stuff. For disco or gutauisr/keyboarsd use, yes, the bugers run em at full power contnsuoly. For PA or music uses below the level of gross distortion, teh peak to mean levels are something like 3-10:1.

I actually think that 'music power' is indeed a meaningful thing. Its possible to design an amp that may have an RMS rating of 20W, that sounds as loud for teh same distortion as a 100W true RMS amp.

It depends on what you want it for. For HiFi use I'd rather have peak power than RMS power, tho both togther are nice.

Class D sucks by and large. Not very hifi - even today.

Someone was selling a mixed bag of car radio chips on there. These are really incredibly easy to get working - just follow the manufactureres design notes. Fed from a 12v AC transformer/rectifier/capacitor (about

Second hand car radioscan be pirated as well.