Thank you for a simple and very understandable explanation! I am still confused though on the comparisons I pointed out about the Apogee speaker's voice coil compared to a multi driver cone speaker. Would you care to comment on that issue? Thanks so much, Chris H.
Help me with OHM's law and output transformers
Since I have them, I want to try stacking two pairs of Dynaco A-10's for the workshop system. They are a claimed 8 ohm speaker. So, does that make a pair of them a 4 ohm load? A sixteen ohm load? The tube amps have taps for 16, 8, and 4. Should I worry about overtaxing the amplifiers? I can understand how an inefficient speaker like an Appoge can be refered to as a dead short circuit since it has wide bands of aluminum foil connected at each end by the + and - amp output. It is almost like shorting out the amp. Does that mean that a speaker with many drivers will be very efficienct since the signal goes through many more feet of voice coil wire? Or, is it the opposite since the signal has to work harder to drive all those cones? In the early days of solid state it was known that connecting multiple speakers together could be harmfull to amps. If the amp had a speaker selection switch, it would let you choose one or the other but usually not both at the same time. Something I don't understand here, I guess I don't understand Ohms law since this seems to be contrary. While we're at it, I have often wondered which transformer tap sends the signal through the most length of wire, the 4 or 8 Ohm tap? This may all be elementary to some of you and I apologize for that, can anyone clear this up for me, Thanks, Chris