Thomastik-Infeld
Power-Bright 系列弦線採用高活性鋼與防鏽黃銅塗層獨家工法製作，能產生更響亮和強硬的音質。
延音和音量相對會比INFELD系列更長，適合harmonics, tapping 等彈奏技巧。
適合用於錄音。
弦徑:
PB109 - .009 .011 .016 .024 .032 .042
PB110 - .010 .013 .017 .026 .035 .045
PB111 - .011 .014 .018 .028 .037 .046
 
Power-Bright series using Round wound Magnecore alloy on a flexible hexcore for a bright aggressive tone, extra long sustain and reduced playing effort.
Designed to enhance harmonics and percussive effects like tapping.
High output plus a boost in the high frequencies drive effects to their limits.
POWER-BRIGHTS love distortion!
Suitable for using in recording session.
 
Gauge:
PB109 - .009 .011 .016 .024 .032 .042
PB110 - .010 .013 .017 .026 .035 .045
PB111 - .011 .014 .018 .028 .037 .046