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P90's


Rookery

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Did a search of Epiphone's site and this is what they say about the P90 Pro pickups;

 

"Epiphone P-90 PRO™ single coil pickups have been designed and tooled from the ground up with new bobbins manufactured to historic dimensions, Elektrisola magnet wire, sand cast Alnico V magnets, and pole shoes manufactured using correct alloys to original classic Gibson dimensions. The new Epiphone P-90 PROs™ also have tin plated brass base plates like those used on 50s and 60s-era Gibson P-90 pickups."

Now, just how different the construction of the standard dog-ear P90s in the Casino is, is unknown to me.

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The only way to really know one from another is to know the resistance with each set of pickups with an ohm meter. Generally speaking, the higher the numbers the hotter the pickup. This is not necessarily an indication of a better pickup tho, often times very hot pickups lack subtitles that translate to better tone.

 

Also the material in the magnet (alncio verses ceramic) and the amount of windings (the small/thin copper wire that goes around the magnet) are present, and the distance from the string to the pickups, have everything to do with how a pickup sounds and performs.

 

The neck pickup is usually a bit "hotter" than the bridge, to compensate for the distance from the strings termination point. The bridge pickup being closer to the end of the string scale doesn't need to be as "sensitive" as the neck pickups. if they were the same, the bridge pickup would seem a lot louder than the neck pickup.

 

A good guy to tell you everything you ever need to know about pickups would be Searcy on this message board.

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They are very different pickups and aren't interchange.

The Casino uses a dogear pickup which has tabs that stick out the ends of the base plate. Screws go directly into the guitar top. The Casino pickups are a strange animal. The bridge pickup is tall and has 50mm pole spacing while the neck pickup is shorter, angled and has 48mm pole spacing.

The Casino also uses a chrome plated brass cover. Hot hot the pups have been has varied over the years. The last few I played of the more recent ones seemed to have fairly hot pickups.

The P90 pro uses a soapbar pickup that mounts with screws that go between the 2-3 and 4-5 pole screws. In most cases, there is a block of foam, spring or tubing to take up space and allow some height adjustability. Both pickups on my 339 read 8.0k resistance, which is a bit on the low end of the spectrum for strength for P90s. Both pickups have the modern 50mm pole spacing on both pickups. Like Gibson, they seem to be both "P90" with no distinction made between a neck& bridge model. I consider them to be the best P90 I've heard in a modern Epiphone.

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A casino style cover with height adjustment shims not screwed down. You can see it a little better.

 

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Dogear, top, has mounting tabs. No tabs on the soapbar.

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The dogear uses a bathtub baseplate with lips while the soapbar uses a flat one.

In many cases, one can swap bases and convert one to the other. As you can see, the bobbins are the same. Only the baseplate and cover distinguish them. Some dogear pickups have no holes for screws through the body, though. Those cant be changed. The 48mm spaced Casino neck pickup would be tough to change. I've never seen a 48mm flat base plate or soapbar cover.

EE1A36A6-6A33-4C16-A093-CEF52E918D6E_zpsxxqdnm8p.jpg

 

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