Darkglass Electronics - Designed to respect the natural character of your instrument while expanding exponentially the tonal possibilities. The Tone Capsule can be installed on any type of bass (active or passive).
Tone Capsule Bass Preamp System - Sweetwater
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No longer available - Darkglass Tone Capsule w/EMG pups | TalkBass.com
Darkglass Tone Capsule - Bass Preamp
Tone Capsule – Darkglass Electronics
Darkglass+Electronics+Tone+Capsule+Onboard+Preamp for sale online | eBay
How do you turn a good bass in to an amazing bass? Swap out the original 2 band preamp and stock pickup for a Darkglass Electronics Tone Capsule and Aguilar AG 4M
Darkglass Electronics Tone Capsule Bass Preamp – Ish Guitars
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DARKGLASS TONE-CAPSULE-V2 Powered Electronics for Bass Guitar | Kytary.ie