how many watts would this be?

[photios]

If I combine a 2 - Vintage 30 speaker (60 watts each) and 2 - Greenbacks (25 watts each) and I run the cab in stereo (i.e., 1 Greenback and 1 V30 per side) how many watts will the cabinet handle? Can I use a 50 watt per channel amp to drive the cab without fear of harm to the speakers or amp?

[Old Tele man]

...typical "rule-of-thumb" is speaker capacity is TWICE the wattage of the driving amp.

...so, if speakers are 60W+25W per "side/set," then each amp about 40W.

[photios]

Let me see if I understand...so if the speakers are 40W combined, then is that called the RMS wattage? And then the PEAK wattage would be roughly twice that (80W)?

If that is the case, then my 50 watt per channel amp would defintiely push the 40W per side cab hard...very hard...but (in theory) it shouldnt blow anything up, right?

[rockon1]

...typical "rule-of-thumb" is speaker capacity is TWICE the wattage of the driving amp.

...so, if speakers are 60W+25W per "side/set," then each amp about 40W.

Now why Im questioning OTM is beyond me however I always thought that if you had 2 dissimilar rated speakers the handling capacity would be twice the lower rated one? In this case 2x25 or 50 watts.

[Old Tele man]

rockon1 -- you're correct! brain fart on my end!

...I was thinking (mistakenly) about "...different impedances..." for some spaced-out reason, where the power would "spread" according to the different Z's...but that wasn't even mentioned.

...but 2x25W = 50W(spkr)...so that'd be only 25W(amp) because of the "AMP = SPKR/2"-rule.