Frank,
You can certainly do this without any harm, but probably without any joy either.
You see, now you have divided the maximum voltage you can develop across each 8 ohm speaker in half.
This doesn't unfortunately divide the power dissipated in each speaker by half but by about a quarter of what the single 8 ohm speaker dissipated.
Simply put, the volume will be a lot lower and you'll have to turn it up a lot more to get the same volume. When you do this you are feeding more noise floor - not enjoyable. Why bother?
bruce
You can certainly do this without any harm, but probably without any joy either.
You see, now you have divided the maximum voltage you can develop across each 8 ohm speaker in half.
This doesn't unfortunately divide the power dissipated in each speaker by half but by about a quarter of what the single 8 ohm speaker dissipated.
Simply put, the volume will be a lot lower and you'll have to turn it up a lot more to get the same volume. When you do this you are feeding more noise floor - not enjoyable. Why bother?
bruce