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Fliptops B15N Double Baffle cab with an Ampeg PF-20T

Neither the PF-20T nor the PF-50T will fit into an unmodified B15N double baffle cabinet, due to the depth of the amplifiers. The PF-20T & PF-50T are both about 10.35" deep whereas the B15N was about 7.5" deep. Back when I was still building cabinets I built a modified double baffle cabinet for a customer with a PF-50T. In order to accommodate the amp's size I had to increase the depth of the cabinet to 16" and make a few other tweaks to the top/opening of the cabinet. It can be done but you also need to be mindful of which speaker you use, as the amp can hit the magnet if the magnet is too large. I believe the speaker shown in the drawing below is an Eminence Beta-15A, although the customer used a Weber 15A150A that he already had on hand.

Screenshot 2025-12-29 124809.png
 
Neither the PF-20T nor the PF-50T will fit into an unmodified B15N double baffle cabinet, due to the depth of the amplifiers. The PF-20T & PF-50T are both about 10.35" deep whereas the B15N was about 7.5" deep. Back when I was still building cabinets I built a modified double baffle cabinet for a customer with a PF-50T. In order to accommodate the amp's size I had to increase the depth of the cabinet to 16" and make a few other tweaks to the top/opening of the cabinet. It can be done but you also need to be mindful of which speaker you use, as the amp can hit the magnet if the magnet is too large. I believe the speaker shown in the drawing below is an Eminence Beta-15A, although the customer used a Weber 15A150A that he already had on hand.

View attachment 7398277
Thanks a ton!
 
As one who owns six, (that I can recall, I might be forgetting one here) flip-top cabinets from 1963, all the way up to the modern PF series versions, I don't use that feature at all. Among two vintage B15s, two SB12s, the enormous B12XTC, and a PF-50T, none are mounted to the lid of any of the cabinets. It may have been somewhat novel at the time, but it does not work for me.