Can I put a 15 watt speaker in a TA-15?

geetarplayer

Member
Messages
1,131
The Mesa TA-15 has settings that go up to 25W. I'd like to put a Alnico Blue in there, and they seem to be rated at 15W. Is that OK, or do I need to go to a 50W Alnico Gold?

Would there be desirable side effects to a lower wattage speaker?
 

Phletch

Senior Member
Messages
9,896
Desirable side effects? I guess that depends on your idea of "desirable." If you're cranking the amp on 25W (or even 15W) a speaker rated for 15W is not the best way to go.

The "conventional" wisdom from what I've read is that a speaker should be rated for roughly 2x the wattage it will be receiving.
 

GCDEF

Silver Supporting Member
Messages
28,245
The speaker handles 15 watts safely. The amp puts out 25. That kind of says all you need to know.
 

gearscrubs

Member
Messages
4,204
Can you do it? Yes, provided you're not cranking the amp to full volume.

Benefits - earlier speaker break-up, if that's what you want

Potential risk - blowing the speaker, which can get expensive.

I use a single G12M greenback with my TA-15. It is rated at 25 watts, but at full-tilt, the TA-15 probably puts out closer to 50 watts, which could potentially blow it. I just never turn the amp up that high, anyway, since I'm mostly using for recording.
 

sleewell

Senior Member
Messages
10,593
I would not do this. mesas are notoriously underrated in terms of wattage. if you plan to use drive pedals or crank it up you might fry the speaker.
 

dayn

Silver Supporting Member
Messages
1,874
Sure, just keep it in 5 or 15 watt mode and don't crank it.

And/or use an attenuator on one or two clicks down.
 






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