I use a jumbo 1000 since 1971 it never fails, the only drawback is its weight, and the era as the price, but there was a VAT of 33.33 and r cupra well kiss that was the price, I have also from the same period a amp a little more rare is a jumbo half a mono amp 500watts into 8 homs name SOLO 12 not very robust and particularity fan when it works for a while is really hot but no problem running, I had also a 4500 and 2080 with a mixer 403 where a re c'tait no problem but happiness