Coppersound BufferMaker: Coppersound Model: Buffer Condition: New Description: At its core, a buffers job is to combat capacitance, a naturally occuring trait, specifically when using long stretches of cable (over 18. 5 to be precise!). . Your guitars high frequencies become attenuated as the signal travels over such long distances of unbalanced instrument cable, on its way to your amplifier. A buffer reinforces your signal, maintaining your high frequencies, and