▁to ▁be ▁used . ▁ ▁Com parison ▁with ▁the ▁double ▁bass ▁ ▁Since ▁the ▁E UB ▁typically ▁does ▁not ▁have ▁a ▁h ollow ▁sound ▁chamber , ▁or ▁only ▁includes ▁a ▁small ▁sound ▁chamber , ▁the ▁E UB ▁is ▁less ▁pr one ▁to ▁feedback ▁than ▁the ▁double ▁bass ▁when ▁ampl ified . ▁ ▁To ▁use ▁a ▁bow ▁with ▁an ▁E UB , ▁both ▁the ▁bridge ▁and ▁finger board ▁need ▁to ▁be ▁radi uss ed ▁( g iven ▁a ▁curve ). ▁If ▁the ▁E UB ' s ▁bridge ▁and ▁finger board ▁are ▁relatively ▁flat , ▁like ▁those ▁on ▁an ▁electric ▁bass , ▁then ▁it ▁is ▁not ▁possible ▁to ▁use ▁the ▁bow ▁on ▁the ▁inner ▁strings . ▁ ▁By ▁using ▁suitable ▁( g ut ▁or ▁synth etic ▁core ) ▁strings ▁and ▁adjust ing ▁the ▁ampl ifier ▁tone ▁and ▁dist ort ion ▁controls , ▁an ▁E UB ▁can ▁em ulate ▁an ▁ac oust ic ▁double ▁bass . ▁By ▁using ▁br ighter ▁( ste el ▁core ) ▁strings , ▁tone ▁controls ▁and ▁bass ▁effects , ▁an ▁E UB ▁can ▁also ▁take ▁on ▁a ▁sound ▁similar ▁to ▁a ▁f ret less ▁bass ▁guitar . ▁ ▁Since ▁the ▁E UB ▁transm its ▁its ▁sounds ▁through ▁a ▁pick up , ▁the ▁tone ▁is ▁br ighter ▁than ▁that ▁of ▁the ▁ac oust ic ▁double ▁bass , ▁which ▁transm its ▁its ▁tone ▁via ▁the ▁sound ▁post ▁to ▁the ▁back ▁of ▁the ▁body . ▁Comp ared ▁to ▁a ▁double ▁bass , ▁the ▁tone ▁produced ▁by ▁an ▁E UB ▁is ▁much ▁less ▁modified ▁by ▁its