I'd estimate 2-5W or so in Class A, which is probably 99% of what you're listening to.
I liked it, good amp with high quality components.
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Just bought an Aiwa A22 on eBay for £10 :)
Yamaha B2x power amp.
Interesting....:eek:
http://www.ebay.co.uk/itm/Two-BBC-LS...YqIpX#viTabs_0
Many decades ago I had the same Lorenz tweeters, not bad.
A bargain at £24k though:eek::eek::rfl::rfl: