I just installed it on my Ibanez sz320MH instead of HB103 (Duncan Designed) original. What strikes immediately is the quality of manufacturing, particularly at the level of protection for drivers. Once you install peroit direct greater clarity, better DEFINITIONS, contrasting with the ct a little "rough draft" of the original bridge pickup. Far fewer microphones (certainly thanks to a "wax potting well executed for), which adds to the ease of use in high volume live. Try microphones is a utopia and it is mthode Reduces the "trial and error. The Seymour Duncan website contains samples fortunately very helpful (but listen to an installation dcente, if any ring toss up donkey). hesitating a moment I take SH14 but the curve frequency drives me look too empty at the midrange. I do not regret that choice and would recommend any owner of a violin scratches dcente. When my back is my second home SZ32O luthier (refrettage), I will offer him an easel in SH4 ...