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Bass Guitars, Amplification, Accessories
We are Canada's Bass exclusive source.
123 BASS NATION dives into Bass amp history and so much more . Join the low end with the high vibe. 123bassnation.substack.com
THE REALITY OF BUILDING A CUSTOM INSTRUMENT
Holger Stonjek President of Sandberg Instruments tells us a funny story about how some people would approach him to build a custom instrument.
Watch the full interview on https://123bassnation.substack.com/
06/16/2026
The Ultra. Smart Drive. Massive Headroom. Serious Tone. Please share pics or comments if you have the Ultra!
*Power Section: 1000W RMS @ 8 ohms, 2000W RMS @ 4-Ohms, 1200W RMS @ 2-Ohms (or 1700W RMS @ 2.67-Ohms -firmware optimizable via USB)
*Bergantino A custom Output Transformer by Cinemag
*Two Voicing Circuits: Modern or Vintage - Software selectable
*Built-in parallel compression.
*Drive Circuit: New BFT Ultra drive circuit featuring our proprietary B.S.D. (Bergantino Smart Drive) technology.
*3.5dB of additional dynamic head room.
*Variable Low-Pass (VLPF) and Variable High-Pass (VHPF) filters, critical for precise tone shaping and taming of the most challenging gigging environments.
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