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Ampeg PF115HE Portaflex double baffle mod, plus some old VOX content


Chimike
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I noticed that the modern Ampeg PF 15” sealed cab has similar internal dimensions to my mid 60’s B15 cab, so when a somewhat beat up PF cab became available, I set about converting it to the double baffle arrangement that Ampeg deployed in the “old days “.

Still waiting for delivery of the correct speaker mounting bolts, but then I’ll be able to compare old and new.

I do use a sealed PF115he with a PF500 for pub  rock ‘n roll gigs, not bad cabs , but I need something “ sweeter “ for acoustic gigs.

Pics to follow, they’re on a different IPad.

Edited by Chimike
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Ok, found a way to get photo's onto my work computer !

 

First photo shows the old holes filled with blanking panels, then re cut for speaker, then slots added. tweeter and rear input panelIMG_0003.thumb.JPG.f5820ca3589654d710a673256d2258ed.JPGIMG_0004.thumb.JPG.469ae7caefa6a0d40b23f4c1651805ca.JPGIMG_0007.JPG.65b585dbffb815f9de9c063aad9a4a84.JPGIMG_0008.JPG.75f785da88fa96063d341c15afab7f25.JPGIMG_0010.JPG.4438876df9c188e3509f1be593a2afc7.JPGIMG_0011.JPG.8a2d279350fef5e13ddba16bfd9b7909.JPGIMG_0012.JPG.f393d4fedea8a0e6b09bb9b14f436ca1.JPGIMG_0013.JPG.a1ed56000396ebd79e8edc48bf2f6422.JPG is removed, and main speaker centralised.

 

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On 30/03/2023 at 17:49, Chimike said:

Ok, found a way to get photo's onto my work computer !

 

First photo shows the old holes filled with blanking panels, then re cut for speaker, then slots added. tweeter and rear input panelIMG_0003.thumb.JPG.f5820ca3589654d710a673256d2258ed.JPGIMG_0004.thumb.JPG.469ae7caefa6a0d40b23f4c1651805ca.JPGIMG_0007.JPG.65b585dbffb815f9de9c063aad9a4a84.JPGIMG_0008.JPG.75f785da88fa96063d341c15afab7f25.JPGIMG_0010.JPG.4438876df9c188e3509f1be593a2afc7.JPGIMG_0011.JPG.8a2d279350fef5e13ddba16bfd9b7909.JPGIMG_0012.JPG.f393d4fedea8a0e6b09bb9b14f436ca1.JPGIMG_0013.JPG.a1ed56000396ebd79e8edc48bf2f6422.JPG is removed, and main speaker centralised.

 

Loving that amp 👍

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  • 1 month later...

So, Fliptops recommend the Eminence Beta for the B15, and I have one in mine, but I thought I’d try a Faital pro PR15-400 in this cab, see what happens with more powerful amps. OK, so only in Pubs, so far , but Lovin’ it ! Happily copes with the extra volume, and nice and light , too.That’s encouraged me to start modding my B15r cab,( looks great ,horrible sounding cab) in the same way. Actually, much easier to do, as the front baffle simply unscrews. Pics to follow.

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  • 2 weeks later...

I've also made a false lid, and a box to hold the head, as , although I love the flip top principle, I'm 78 and can no longer lift the B.....

Again, pics to follow, when I've painted it.

PS   Also modded a couple of 60's Vox cabs, A T60, never a good sounding cab originally, now, running one Eminence neo 3015, and properly ported and braced, sounds great, has a whole new life ahead of it.

Also, a 2 x 12, maybe a defiant cab, now running an Eminence kappalite 3012LF and an Alpha 6, again properly ported and braced ,  not tried that one yet. Both look as original from the outside, all mods reversible.

Edited by Chimike
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  • Chimike changed the title to Ampeg PF115HE Portaflex double baffle mod, plus some old VOX content

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