Quote:
Originally Posted by Martin Bush
Thanks Nick - I may take you up on that. I will need a cassette deck first of course (I have plans for one when we move house).
But yes, I'm not remotely scientifically minded, but I am intrigued as to how the cassette might work. They claim it does on the packaging, so you'd expect that it had to by law...
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By law? We are talking about the audio industry here...where firms can charge you hundreds for a rock that sits by your hifi, 'absorbing' stray magnetic fields...
In terms of demagnetising, for a product that must cost under £2 to make (OEM margin, distro, shop, VAT), I can't see it being effective. If people debate whether pro-grade, mains-powered demagnetisers even have an effect (in the cassette world - not studio, where they are de-facto), then will a magnet in a product that cost under £2 to make do something?
Do you have a scope + oscillator? If you record a 15KHz sine @ -10, then play it back on your walkman, pre and post usage of this device, and you see an increase in level, I will eat my hat live on Youtube.
In the 70s and 80s, cleaning tapes that contained a fabric tape, which one wetted with alcohol, were common. Personally, I always felt they were useless, and if anything, the deck sounded worse after using one. When the Allsop 3 cleaner came along it was an absolute revelation. Better than cotton buds, as it cleaned everything evenly by default.
Sorry if I'm pouring water on your fire.
NB - make sure to learn the technique before you use Nick's demag. It's very easy to damage a head with one.