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In /guitar/?bst_1r_1 :

"ST" style guitars is the models which have the similar shape and units to Fender Stratocaster. The names, "STRATOCASTAR", "STRAT", and the shape of the headstock are properties of Fender Musical Instruments Corporation. However, the ST style with three single-coil pickups and the tremolo unit is popular in the world-wide range since 1950s, and many manufactures are making guitars with ST style. Outside of the U.S., Stratocaster is imported, and expensive for young people who mainly enjoy the guitar music. In several candidates, such as Squire and Ibanez, I decided to buy Bucchus BST-1R. Note that Bucchus is the brand name of Deviser Corporation in Nagano. In view of sound, I thought all of guitars in this island, including Epiphone Les Paul with humbuckers, have brighter sound than guitars in the U.S. The sound of "fat" Stratocaster is only made in California or Mexico. I expected that BST-1R have bright sound as others, but the BST-1R shipped to me has fortunately (or unfortunately) fat sound. Even now on the IT technology, ST style guitars are played in many tunes online. Basically, the sound is bright with its unique spring reverb. The fingerboard of BST-1R is a rosewood with 22 frets and the radius is flatter than the vintage style with solid maple, and this choice means the modern ST style. I thought the modern ST style has brighter sound than the vintage style even though the fingerborad is a rosewood. However, my shallow mind is just betrayed.


Identified sizes of screws are only applied for my guitar. There are a lot of sizes for screws on the same unit among ST style guitars. Not surprisingly, even if your guitar is BST-1R, make sure that you measure actual screws and determine these sizes. Sizes of screws may be changed in the factory. Incorrect screws cause to break threaded holes.


Hmm. Like a 3D texture? I feel deja vu about this working. Besides, the wood is just poplar? Patterns of poplar woods used to be olive-colored. I guess it may be alder, because the weight is 3.7-3.9, the light heavy class. The sheet of the alder pattern (three-tone sunburst) on the alder wood. It may be the evidence that ST style is the child of mass production.


Ceramic Pickups (the neck and the middle on the picture as above). I've not measured these DC resistances, but I guess moderate power. I found out that pitches of pole pieces are different among neck, middle, and bridge pickups. It's not like pickups of Les Paul SL. The reason of the difference is the widening margins between strings from the nut to the bridge. Cases of pickups of ST style doesn't seem to be shareable with pickups on other positions. The phase of these pickups is seem to be the same as pickups of Les Paul SL. The magnetic pole of the middle pickup is reversed comparing to the neck and the bridge, and this difference helps to reduce hum noise on half positions. This effect is significant in the high-gained sound.


The bridge was "fastened" by 6 screws. However, this bridge will move. To get smoothness of moving upward and downward, I only applied 2 screws on two sides and remained other four holes. Besides, I replaced factory M3.8 25mm pot head wood screws with Yahata stainless M3.8 25mm dish head screws (JIS B 1112:1995). I identified the screw's size by checking thread pitches of screws. Dish heads also help the smoothness of moving because the shape of the heads is conical. This work helps to stabilize tuning of strings. I think that unstabilized tuning is come from a lumbering tremolo unit. You wonder its weakness of the bridge with only two screws. After tuning, the strings are pulled by approx. 50Kg, and the screws of the spring hanger and the bridge unit endure the force. I assume that the iron bridge chops axes of two screws with 100Kg force at maximum because the system of ST style guitars is just the same as a pully which endures the doubling force from both sides. The JIS standard says the screw could endure at least 100Kg force. The issue of the twin is how the wood can endure the force from screws. We can consider pushing force from the bridge to the body directly, and it would reduce the force to screws. Anyway, a basic tremolo unit should be used with 1% of your big arm power because this unit is on the woody body. I think that arming for a +- half tone seems to be good. I think that setting a tremolo bridge using 6 screws needs your tough work to get the precision for smoothness. You can draw 6 circles inline by hand, but the number of circles relates to the correctness of the straightness. 2 circles guarantee the straightness because of no other circles on the half way. In several cases, I would say only two screws in 6 screws support the bridge because of the lack of the straightness.


Let's demonstrate. I edited tunes in Audacity on Ubuntu 20.04 LTS. I just plugged BST-1R to an amp, IBZ10, and the PHONE to an ADC, UCA222. I recorded the sound around -12bB at the mid point, and the noise floor is around -50dB on touching strings for grounding in term of alternative current. Bass of IBZ10 is dialed to 0 over all recordings because of the fatness. Recent ST styles are expected to be trebly. However, the full treble causes the high frequency noise coming from resonance on electric circuits in BST-1R and the amp.

In /guitar/?bst_1r_2 :

I filed slots of the nut for 1st to 3rd strings using nut files I also used for Les Paul SL. Especially, the first string sounded like a sitar guitar, and it was resolved by making a declining slope in the slot towards tuners. The detail is just the same as the work with my Les Paul SL. However, ST style guitars have no neck angle comparing to other guitars such as Les Paul, and the neck with no angle needs slots precisely filed to reduce chattering sound. Besides, ST style guitars have no headstock angle, and 1st and 2nd strings have guides, effecting raw sound.

In /internet/?raspi_8 :

A1-11: I tested with BST-1R, a Bacchus' ST style guitar with single coil pickups which have ceramic magnets. I think that single coil pickups tends to be less power than humbuckers, and adjusting with single coil pickups would make a universal design for guitars. Note that strings were a set of Ernie Ball Regular Slinky (10-46), and the neck pickup was low to adjust powers among three pickups.

In /guitar/?lespaul_sl_7 :

Updated on 7/28/2021: To make the wire for grounding, its length should be 150mm. You adjust the length of the wire after setting the pickguard and the bridge on the body of the guitar. Note that set screws for octave tuning of the bridge on Les Paul SL is similar to set screws for adjusting heights of strings on several bridges for ST style guitars as long as these are sized as M3 and have 10mm length.

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In /guitar/ :

Bacchus' ST Style Guitar

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