The two Joseph Grado cables. Some HP1-2-3 also came with a blank cable though, which is weird...
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devouringone3
The two Joseph Grado cables. Some HP1-2-3 also came with a blank cable though, which is weird and uncommon.

Standard is more bassy. Ultra-wide bandwidth is more detailed. Know one really knows which is best or which was first. There was hypothesis that Standard was a response because the Ultra-Wide was too bright, and that Ultra-Wide came after, as an upgrade and to go inside the HPA-1-2 amplifiers. Both are contradicting themselves.

I don't know much myself about the geometry of the Standard cable, I think it's plain twisted copper stranded conductors, twisted together. Both are four conductors, but HP1-2-3i comes with a dual Ultra-Wide cable, which make it 8 conductors. Stay tuned for pictures of the geometry of Ultra-Wide Bandwidth.

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