That's a similar rating to mine (I can't say it's the same due to them being different manufacturers and so some discrepancy in the measurement method is guaranteed)

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One testimonial on the amp claims that his clocked 118db (that's almost one per wattRMS).
We'll probably do best to call l this one a dead heat.
EDIT: @MrBump; I assume that's for Oli?
I also neglected to mention it was a mark four custom build (as reads the legend under the neon power lamp).