Nordstrand Bass Onboard Preamp 前級電路 – 音色清晰、動態豐富、升級首選

Description

Nordstrand 不只是在Pickup上有豐富的經驗，針對Bass的低頻特性還有自家的Pickup設計出一系列Onboard Preamp，Nordstrand 在EQ的線路及頻率增益下了很多功夫，把Pickup傳送出的訊號完整精確表達，透過Carey Nordstrand多年的實驗改良，將原本的音色韻味高度還原，音色動態細節更清晰呈現，總體音色變得更加好聽! 功能性設計上，針對Bass手的專業需求提供不同的選項: Active/Passive 切換，中頻點切換，高中低頻&Balance提供更細微的調整，成為許多 high end Bass品牌愛用的前級品牌，線路簡潔、安裝容易，也是許多工房為Bass音色升級的第一選擇。

2B 系列(2段EQ: Bass/Treble)

• 2B (未焊接版本) – 2 band bass preamp with 2 eq pots
• 2B-4a – (預焊) – 2 band bass preamp with volume (pull passive), volume, bass and treble
• 2B-4b – (預焊) – 2 band bass preamp with volume (pull passive), blend, treble, and bass
• 2B-3a – (預焊) – 2 band bass preamp with volume (pull passive), treble, and bass
• 2B-3b – (預焊) – 2 band bass preamp with volume (pull passive), blend, and treble on bass (stack)
• 2B-4c – (預焊) – 2 band bass preamp with volume (pull passive), blend, tone, and treble on bass (stack)
• 頻率/增益
  • 總增益(gain) 0~15db 由電路上的可變電阻調整
  • Bass +/- 12db @ 50Hz
  • Treble +/- 12db @ 4khz

• 所有預焊的型號有附Input Jack及電池扣

2B+ 系列 (2段EQ: Bass/Treble, Boost Only)

• 2B+ (未焊接版本)– 2 band bass preamp with 2 eq pots.
• 2B+4a – (預焊) – 2 band bass preamp with volume (pull passive), volume, bass and treble.
• 2B+4b – (預焊) – 2 band bass preamp with volume (pull passive), blend, treble, and bass.
• 2B+3a – (預焊) – 2 band bass preamp with volume (pull passive), treble, and bass.
• 2B+3b – (預焊) – 2 band bass preamp with volume (pull passive), blend, and treble on bass (stack)
• 2B+4c – (預焊) – 2 band bass preamp with volume (pull passive), blend, tone, and treble on bass (stack)
• 頻率/增益
  • 總增益(gain) 0~15db 由電路上的可變電阻調整
  • Bass +/- 12db @ 50Hz
  • Treble +/- 12db @ 4khz
• 所有預焊的型號有附Input Jack及電池扣

3B 系列 (三段EQ: Bass/Mid/Treble)

• 3B(未焊接版本) – 3 band bass preamp with 3 eq pots
• 3B-5a – (預焊) – 3 band bass preamp with volume (pull passive), blend, treble, mid (pull frequency switch), and bass
• 3B-5b – (預焊) – 3 band bass preamp with volume (pull passive), blend, tone, push pull frequency selector on mid, and treble/bass stack
• 3B-4a – (預焊) – 3 band bass preamp with volume/volume stack, tone (pull passive), mid (pull frequency switch), and treble/bass stack
• 3B-4b – (預焊) – 3 band bass preamp with volume/tone stack, blend, mid (pull frequency switch), and treble/bass stack
• 3B-3 – (預焊) – 3 band bass preamp with volume (pull passive), mid (pull frequency switch), and treble/bass stack
• JC-3b – (預焊) – (與Big Blademan 拾音器搭配會有最佳效果) 3 band bass preamp with volume (pull passive), blend, treble (push/pull neck pickup – series down, parallel up), mids (1kHz down, pull up for 400Hz), bass (push/pull bridge pickup – series down, parallel up)
• 頻率/增益
  • 總增益(gain) 0~15db 由電路上的可變電阻調整
  • Bass +/- 12db @ 50Hz
  • Treble +/- 12db @ 4khz
  • Midrange +/- 12db @ 1k
• 所有預先焊接的型號有附Input Jack及電池扣

線路圖