[quote name='Beer of the Bass' timestamp='1319970109' post='1420558']
Cheers for the real-world perspective - most speaker reviews I can find are from people using higher powered solid state heads,. We probably have different standards of "loud" though - no Doom required here!
I'm loud enough with my current 1x15, so the main thing is not to be less sensitive than that. As far as I can gather from playing around with WinISD, the Kappa 15 in my enclosure has pretty decent efficiency for a 1x15 (around 100dB 1w/1m IIRC), I'd just like it to weigh less. I'm also the only driver in the band, so if I had something like a 2x15", we'd have to rent a van for every gig rather than using a car. As it is, we can squeeze into an estate car.
The only efficiency specs I can find for the cabs listed above are 95dB for the Laney NX115 and 100dB for the GK212MBE.
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WinISD only tells you useful stuff below 200hz, lots of 'loudness' is above 200hz, so have to be cautious there. I think the Kappa is pretty close to a woofer driver and doesn't have much in the higher regions, so other stuff might seem a lot louder. DB rating on cabs are a bit dodge, sice htere are so many variables they don't mention.