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Hypex Nilai DIY500 Stereo Modifications
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May 25, 2025 5:56 pm
(@patreon_78578097)
New Member
Joined: 2 years ago
Nord Acoustics also has some nice build options.
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May 20, 2026 4:34 pm
(@carmol)
New Member
Joined: 1 month ago
Very interesting !
I am planning to do this upgrade soon,
as soon as I take courage to drill the bottom plate 🙂
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1 Reply
May 24, 2026 1:21 pm
(@marcella-van-kraaij)
Active Member
Joined: 5 years ago
I use two Nilai 500 mono blocks to drive my sub‑low section (2 × 18‑inch Volt bass drivers per side).
Because I use bi‑amping, and my other mono (audio Note) power amplifiers are truly balanced 300B units, I modified the Nilai by installing 1:1 Audio Note input transformers. This makes the input signal fully balanced.
The galvanic isolation has a significant impact on sound quality.
Highly recommended if you want to get the best out of your Nilai amplifiers.
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@marcella-van-kraaij : can you please show us (photo/scheme) what you exactly did? Thanks in advance.
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