I own 6 bows.  I tested them against each other to try to understand what to look for in a good bow.  The frog was detached and the hair washed in warm water, dried, brushed, rosined with the same rosin, brushed, and used (played) for two days.

A came with the mv650   B also came with the mv650 but the silver winding was replaced with thread.  They are brazilwood with ebony frog and Mongolian hair.  C and E came with the two Crescent Violins I have.  They are brazilwood with rosewood frogs and Mongolian hair.  D came from China ebay  with a hole in the stick, the hair was too short to allow the frog to relax tension.  F was an Ebay purchase from Yall Store.  They sell factory rejects, plastic frogs for $6.

Playing a short tune:

D Slight vibration: Ring tone on A rather than real tone, lots of bounce

E almost no vibration; good tone, but Qwerky beginning sound, lots of bounce

C  "       , very good tone; pressing hard gives lots of bounce

B  "      ,   "         ; light weight, easy to play, lots of bounce

F slight vib, good tone, heavy, some off tones, some bounce, but okay.

A No vib, tone okay, some off tones, very little bounce

Open strings:

E  did well

D one off tone

A lots of bounce

C good tone, some bounce

B very good tone, some bounce

F some off tone, some bounce

E string:

E okay but some off tone

D some off tone, but lots of vibs

B Noticed whistle, off sound at beginning of strike, little vib

A good tone, little whistle, little vib light weight

C pretty good tone, no vib, no whistle, heavy

F odd tone vibs, some whistle

G string:

D soft sound, mushy

F focused, hard, tight

B hard but has sch sound

A hard, but good tone no sch

C soft sound, sch there, not quality

E good tone no sch

My rating:

DEED

EDDF

CABB

BCAA

FBCC

AFFE