I use p for base, ima for treble. It is a big challenge for p to play quickly...when p can play quickly, it helps a lot to play tremolo more quickly and even...usually p can not play quickly as im. So p needs practices more...
Otto Vowinkel Concert 650, Cordoba C9 650,
Paulino Bernabe Torres 645,
Juan Hernandez Torres 640, Sweet Tone 640,
German V. Rubio Concert 635, German V. Rubio Estudio 635,
Kenny Hill Performance DT (lattice) 630