02-18-2013 05:30 PM
You could just put up an ad on whatever site(s) to see if anyone local wants to swap their 8 Ohm V30 for a 16 Ohm. Might not work, but it wouldn't hurt to try. :idk:
02-18-2013 06:26 PM
You can get away with higher impedence in the speakers more than lower.
Lower allows too much signal to pass and will overheat the amp.
This is a commonly repeated myth. It is actually the other way around.
The amp will compenstae for a lower speaker load by running less efficiently (just don't go too low). But if you use a higher speaker loud, then then amp will deal with flyback voltage which can cause real damage.
So, for the OP, as already noted...NO, it is NOT ok to run a 16-ohm speaker load on a 8-ohm output trasnformer tap.
What happens if there is a mismatch?
If the speaker cabinet impedance load is higher than the amplifier rating, e.g., an eight ohm cabinet plugged into an amplifier with a minimum impedance load of four ohms, you're cool. You're not getting the amp's maximum output, but don't panic over it. (Again, this applies only to solid-state amps - if you have a tube power amp, the impedance needs to match!)
If the speaker cabinet impedance load is lower than the amplifier it is now time to panic! Don't try it!
Amplifiers can react in different ways, most contemporary good quality amps have circuitry that detects the current flow, and if it is higher than specified (the result of a speaker load below specifications) the amp will temporarily shut itself down. However, not all amps have this protection circuitry, so you may be playing with fire... literally!! Another distinct possibility is that you'll see curls of smoke escaping from the amp as you fry the output devices.
As already noted, those are solid-state directions, not tube amp directions.
02-18-2013 11:14 PM
Thanks for the info about the Vintage 30 guys!
That is really good to know and makes me glad that I didn't sell it... though I did sell the G12H30 that it was paired with to fund the WGS Retro purchase when I was broke a couple years ago!
I don't think I'll ever miss that G12H30 it is so shrill and "shouty".
But, like the Vintage 30, maybe the G12H30 is good live too.
Yes, I am totally a bedroom wanker. I haven't played live in 3 years!
Do you guys like the G12H30 or the Greenback live?
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