Revstar with Tonepros AVTII question

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P90_Luv
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Revstar with Tonepros AVTII question

Unread post by P90_Luv » Thu Feb 13, 2020 4:55 am

Just landed a used RS502 (billet green) and it hit all the checkmarks for a keeper. I did notice a janky saddle screw while setting her up. Thinking a quick upgrade would be the Tonepros AVTII used on the upper end Rev flavors. Distance between stud posts and metric thread size should be correct to accept the TP locking studs. The nickle studs and wrapper may be close to Yamaha's units which look satin or brushed in images. Here's the thing - the 502 has a 13.77" radius neck where the TP is 12". Wait...the radius and finish has me wondering?

>> The question. Is the AVT2G (new TP model number) the same as what ships on Revs or are they possibly a part made for Yamaha with a different spec.? I have Emails in to Yamaha and Tonepros but no one has replied. Shocking!

*We used ta make our own bridges outta wood*
Last edited by P90_Luv on Sun Feb 16, 2020 1:53 am, edited 1 time in total.
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Re: Revstar with Tonepros AVTII question

Unread post by P90_Luv » Fri Feb 14, 2020 8:03 pm

Replying to my own post is slightly off but this may turn into a Revstar bridge upgrade thread?

So after more Intraweb plodding I found Schaller offers what some are calling a "drop in" wraparound for Revstars. The interesting bit is Schaller states - String radius 12“ (usable for fretboard 10-14 inch). Okay, that's good to know for these 13.77 fret -"boards".

Here's what Tonepros replied back to my question:

"Thanks for contacting us! You are correct the AVT2 is a 12” radius that comes on Revstar models. The slight difference in neck radius will not actually matter with the proper setup. You run into issues when the radius is drastically different like say a 20” radius or a 7.5” radius. With a 13.77” radius the board will be just slightly flatter than the bridge and will still play and feel great! Hope this info helps! The exact model Yamaha uses is our AVT2M in Satin Nickel". Replied back to TP for availability as Satin Nickle is not to be found at StewMac, Reverb, etc.

Schaller offers the Signum in "Satin Chrome" that may be close to the factory satin goodness? They ship with metric locking posts and bushings. Pretty sure the Revstars are metric thread bushings where the supplied metric studs will thread in? Shaller's pre notched saddles make the drop in concept even easier. Still looking at Tonepros or a Pigtail with TP lockers. So many choices!

The prior owner managed to mess up the factory saddle height adjustments even galling out a couple allen screws with the effort. Oh yeah, the post screw heads are also mangled from mystery tools. Thinking some owners hack adjustments while the strings are under full tension to create this "relic" screw head art form? So without a radius gauge I drew a 13 3/4" circle on heavy paper and cut out a bridge shape. The bridge template revealed the prior "adjuster" arched her like a Roman doorway. It's cool that these saddles are adjustable to allow basically any radius but a fixed radius bridge is indeed safer for adjust-O-morons.
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Re: Revstar with Tonepros AVTII question

Unread post by P90_Luv » Wed Feb 19, 2020 8:32 pm

Summary for stoptail bridge fitment. Revstars use the Gibson 3.25" stud spacing where PRS is 3.20". It bugged me when I spotted a post where the owner installed a PRS, USA fixed intonation bridge on his Revstar. They fit the studs but PRS bridges are optimized for a longer scale length so they may have to be shoved far forward toward the headstock to intonate? String spacing, radius and heights seem very close across the aftermarket lineup. The materials vary from cast zinc, bell brass, 70% zinc/30% aluminum, and machined billet aluminum to pick from. Wow.

I eliminated bell brass as heavy, Tonepros are a pain to fish the strings through. Zinc? Um, no. I like the zing my LP Junior gets with its Tonepros aluminum vintage wrapper so aluminum is the pick for me. That leaves Pigtail, Schroeder and Mannmade. I ordered the Mannmade 2310 as polished aluminum, brass saddles, and polished brass studs. It will dull and patina very nicely with the Revstar's matte goodness. So why the bridge swap anyway?

The Rev is a great guitar but like many mass produced products there's a weak link. Normally the pickups and tuners are suspect but I find both of these excellent quality. The stock bridge? Not so much. They are made by Alchemy for Yamaha. It's the LT-10 "Soul to Metal, Tune-O-Matic, zinc plated zinc" according to their website. They are very light. When I switched to .009 strings, the high E wanted to "sitar" as not pinned down to the round saddle. As another poster advised, move the bridge max forward (toward headstock) basically removing the two rough adjustment allens for the posts. I needed to also remove 4 springs from the saddle screws in order to get the saddles back far enough. Moving everything back changes the break angle of the string creating more downward pressure. The high E stopped the sitar affect but the saddles still rattle and buzz. Yes, even the saddles with tension springs are buzzers. They have individual saddle height adjustment screws but the saddles are fully dropped to the deck from the factory. I found raising the two outer most adjusters (a touch) on both E's tightened spacing gaps. Unwound strings move easily back and forth in the saddle slot - that's bad. The saddles themselves also have movement side to side setting off rattles and buzz. The break angle is shallow by design so light strings have weak downward pressure. These may work for higher action setups or heavier strings but I'm not seeing much hope to eliminate bridge buzz for me.

You don't have to spend big bucks as there are many choices to be found. Pretty sure an upgrade is welcomed for tone and setup ease. The stock wrapper is fiddly when restringing. The string guide slots underneath don't really align the sting path so you have to center the string with your finger nail or they angle when wrapping around. Look for bridges that have tunnels to pass the string through not separate holes on each side to fish for.
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Re: Revstar with Tonepros AVTII question

Unread post by Quietly » Thu Feb 20, 2020 12:11 pm

I have the 620 with the wraparound bridge. Needless to say this makes an excellent read so thanks for all the detailed information. Plus I didn't want you to think you was talking to yourself LOL.

Quietly
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