I have the same cab / speakers as Crazy Joe, and for cleans ( which are all I used them for ) - they where nice. If anything a little on the bright and clear side, so compared to the Jensen C12Ns , Emminence Fender Specials - and even the mighty EVM12L Classics - they where nice and articulate at lower volumes ( which I needed ). In sound, much closer to The Jensen C12N which I chose for clarity anyway - and definately not as dark as the Emminence or EVM12Ls. In fairness to the later two speakers, they were being run at a tiny fraction of their capacity, so the cones where not even getting a chance to 'stretch their legs'.
I put the Seventy80s back in the cab after experimentation, for as a clear and general purpose extension cab ( if ever needed ) - they fit the bill just fine. For the price, they work well enough - and it did not seem worth putting much more expensive speaker drivers in a cab that was just fine as it was.
Of course I do prefer The Fenderish / clear sounds anyway - and did not use high gain ( or any gain ) through them. Just pleasant speakers for the cash - with a refreshing lift in the upper mids and top, without being harsh.
Well chosen for a solid , general purpose , affordable cab.
The only thing I would mention, is that if having to dictate the speaker choice / starting from new, I would have marginaly prefered the Celestion 'Hot 100s' ( that Twinfan introduced me to ) as better all rounders for low price - namely because the 'Hot 100' are even more neutral sounding - without that 'lift' in the upper mids and top , and my ears seem to like a relatively neutral speaker these days . :)
