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The seller must have changed the description, as there is no mention of Metrosound or electrostatic. The heading is now: "vintage type speakers goodmans elac", so I presume the drive units are by Goodmans and Elac.Quote:
Originally Posted by walpurgis
isn't that because,as geoff said he doesn't know what they are?
I wouldn't know.Quote:
Originally Posted by karma67
The speaker for sale looks very similar to the Metrosound Duplex 15:
https://i.ebayimg.com/images/g/qbwAA...VU/s-l1600.jpg,
though the one for sale looks shorter in height. I would have thought there would be a Metrosound label on the rear if it was a genuine Duplex. :scratch:
Maybe the original electrostatic tweeter was problematic and an owner fitted the Elac unit as a replacement.
I thought electrostatic speakers required mains voltage? The ebay item does not appear to have mains input.
They do and it's noted in that old advert Geoff posted. I didn't see any mains input in the pics either but they don't cover every inch of the speaker even though there's loads of them.Quote:
Originally Posted by Edward
They do seem to be a close match to the one in the Metrosound advert though. I'd never heard of them and there's not much on the web. There's a company called Metrosound doing in car audio, I wonder if it is the same firm?
There have been self-energising electrostatic headphones, but I'd think it unlikely for speakers.Quote:
Originally Posted by Edward
Perhaps somebody bought a job lot of left over Metrosound cabinets and bunged their own choice of drivers in. Hard to guess fifty years on.
That unused hole on the back was probably once where the power cable went.Quote:
Originally Posted by Edward