Tone Block


The Tone Block is a small second-order resonant RLC filter with variable frequency and Q (resonance). The Tone Block allows you to dial in the characteristics of virtually any pickup.

At this time, the Tone Block is not available for purchase. Send an email to with your name and contact information, and we will add you to the waiting list for the next production run.

(XR Spectra preamplifier required)

Learn more >
XR Spectra User’s Manual >

You can enjoy discounts when purchasing sets of 2, sets of 3, or sets of 4 variations.


Add-ons total:


SKU: TBLK Category: Tag:







Weight 0.068 kg
Dimensions 12.1 × 6 × 3.3 cm

Single unit, Set of 2, Set of 3, Set of 4


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