Thanks for the advice, i can't use the TL074 if their min supply is 7V. So it looks like i might have to try and get hold of a decent opamp myself for use in my project then, if i want a decent output.
Well with the bridging i was thinking about doing two separate circuits, one for the left channel and one for the right channel, and inverting one of these and bridging them together to then power two speakers connected in parallel. Does this sound like a stupid idea?
As for the impedance matching, I'm sure i read that somewhere its just our lab coordinator said in the advice section of the spec to do impedance matching. I still need to do input impedance matching i suppose though.
I'm definitely going to look into using a transistor or two instead of the diodes, thanks for the advice.
The department said they will not spend more than about £1-1.50 on a speaker so it looks like I'll just have to make do with what i have, and they'll have to consider that when marking us.
I really do appreciate all the help, thank you.
Well with the bridging i was thinking about doing two separate circuits, one for the left channel and one for the right channel, and inverting one of these and bridging them together to then power two speakers connected in parallel. Does this sound like a stupid idea?
As for the impedance matching, I'm sure i read that somewhere its just our lab coordinator said in the advice section of the spec to do impedance matching. I still need to do input impedance matching i suppose though.
I'm definitely going to look into using a transistor or two instead of the diodes, thanks for the advice.
The department said they will not spend more than about £1-1.50 on a speaker so it looks like I'll just have to make do with what i have, and they'll have to consider that when marking us.
I really do appreciate all the help, thank you.