Dave C

Just to complicate things.... even when you know what the amplifier can deliver into a given load, bear in mind that an "8 ohm" speaker" is probably only 8 ohms over a very small part of its operating range...

Also, the impedance curve is greatly affected by the cabinet design and loading method.

 

 

http://machineryequipmentonline.com/electric-equipment/wp-content/uploads/2016/02/Loudspeaker-Enclosures-0543.jpg

 

Simon, which text is this from please?

thanks!

Great stuff! And Thank you.

Can I ask what's your power supply voltage?

Thanks,

Dave.