In case anyone wants to know my Sonic Bronco’s Ceramic pickup has a 6.03K Ohm reading. The Meter was set to 20k Ohms.
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The new sonic series Bronco has a four saddle bridge, making intonation make accurate, improved tuners and different colour options to the older ones, which came in Black or Red, new ones you can still have Black but now with a laurel fingerboard or Tahitian Coral, White and a Purple.What is the differences in the older Broncos beside the saddles? I see the 2 saddle Broncs selling used for about $40 less than the new ones.

My Bronco-Stang, half Bronco half Mustang.
Sonic bronco body, neck and bridge, Mustang pickguard, pickup and tuners, rewired with CTS pots and switchcraft jack, homemade chrome control cover, to cover the larger cavity of the bronco body.View attachment 5191466 View attachment 5191465
Love the design work she did on the body!Well, I thought I was the only one with a "Broncostang" bass. Isn't there a saying about "great minds thinking alike?"
It is a parts bass my daughter painted. Squier Mustang body/bridge, Sentell pickups, Squier Bronco (original) neck with hipshot tuners, strung with D'addarrio chrome flats. The same daughter that painted it made the custom headstock sticker on her cricut.
View attachment 5193217 View attachment 5193218
Love the design work she did on the body!
4 saddle bridge and better tuners as others have mentioned but also it has an actual 1.5 nut , fender always had it at 1.5 (38.1mm) inch spec on their website for broncos except it has alway been 1.64inches or 41.9mm. Noticeable difference.What is the differences in the older Broncos beside the saddles? I see the 2 saddle Broncs selling used for about $40 less than the new ones.
The 2009 bronco's has slightly different hole spacing. The spacing has been consistent after that , my 2019 bronco has same spacing as current broncos and sonic ones according to the measurements I have seen.There’s an eBay pick guard seller who’s latest sale listing says the new Squier Sonic guard is a perfect match of the most recent Squier Affinity guards. That seller doesn’t seem to offer a split P pickup guard.
There’s another eBay seller who offers 3 very slightly different versions of Bronco guards with differing dimensions (for example screw hole locations vary slightly), so apparently there has been some variance in the Affinity Bronco guards over the years. That seller does offer a split P pickup guard option, you just have to figure out which “version” of the pick guard dimensions matches the new Sonic series. Maybe some Sonic series owner will do the measurements and post results here… I’ll have one in hand some time next week and will try to figure it out if no one else has by then.
What’s the string spacing at the bridge?The 2009 bronco's has slightly different hole spacing. The spacing has been consistent after that , my 2019 bronco has same spacing as current broncos and sonic ones according to the measurements I have seen.
I was referring to hole spacings on the pickguard as for some reason the 2009 broncos have different hole spacing than previous and future years. All the last gen broncos have same string spacing at bridge around 51ish mm.I used 4 17mm saddles when I machined my broncos bridges to4 saddles it lined up perfect with string holes.What’s the string spacing at the bridge?
If you have the skills you could use your stang" pickguard as template and stretch it just a tad to accomodate existing screw holes etc but retain the overal style/shape of the stang guard with of course a control plate to match.My Bronco-Stang, half Bronco half Mustang.
Sonic bronco body, neck and bridge, Mustang pickguard, pickup and tuners, rewired with CTS pots and switchcraft jack, homemade chrome control cover, to cover the larger cavity of the bronco body.View attachment 5191466 View attachment 5191465
Very nice looking!If you have the skills you could use your stang" pickguard as template and stretch it just a tad to accomodate existing screw holes etc but retain the overal style/shape of the stang guard with of course a control plate to match.![]()
I was referring to hole spacings on the pickguard as for some reason the 2009 broncos have different hole spacing than previous and future years. All the last gen broncos have same string spacing at bridge around 51ish mm.I used 4 17mm saddles when I machined my broncos bridges to4 saddles it lined up perfect with string holes.
Older broncos are 17mm. Sonic broncos are 18mmThanks for the information.
According to your comments, both Bronco (previous ones) and Sonic Bronco bridges have a string spacing of 17mm, right?
Thanks.
Older broncos are 17mm. Sonic broncos are 18mm
Sorry that is incorrect If I said that I mispoke. The sonic bronco have 18mm spacing , affinity broncos 17mm spacing. I machine my bronco bridges to take 4x17mm saddles that I found a source for last year.Thanks for the information.
According to your comments, both Bronco (previous ones) and Sonic Bronco bridges have a string spacing of 17mm, right?
Thanks.