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In Reply to: RE: Harbeth 40 clone posted by fstein on April 18, 2017 at 09:11:24
Not if you want it to sound like the Harbeth. You could use similar drivers but to get them close to the Harbeth you'd need to use a computer so each driver in its enclosure and with its crossover(s) have the same transfer function) not just the same frequency response of the 3 drivers together. That's complex and needs a good designer with a good computer program and it will probably only get close.
You might try other British BBC type speakers like the Spendor SP100R2 but you may spend as much or more and the sound will still only be in the family but not the same.
Another guess is a cheaper 2 way Harbeth with a Sub woofer that has similar bass response and crossed over low. That may give you the Harbeth mid range and treble for less money.
And finally you could try to find a well cared for used one.
Edits: 04/18/17Follow Ups:
Just to add to your excellent advice, even if the OP could replicate drivers and crossover he would also have to build an enclosure in BBC damped thin wall fashion. Knowing the dimensions and materials used is not sufficient as, for example, the way that the panels are fixed to each other or to a frame also affects the resultant sound. In any case one of the major ingredients in the Harbeth sound is the use of their proprietory " Radial" coned drivers. Not available as OEM or hobbyist items AFAIK.
As I mentioned in a thread on a similar subject recently, he could check the UK price and fly to the UK from USA, buy a pair, given a willing dealer, and return home with them. He would get the VAT refunded on departure and the cost of whole trip plus speakers may possibly still save him money. Trouble is although I know that this has been done with bookshelf sized speakers the Harbeth 40s are big and heavy.
If he ran into trouble though a further consideration is whether or not the local Harbeth distributor would then honour the warranty.
Still it might be worth looking into if the price differential is sufficient. It is after all the same in essence as his thought of buying a pair from Canada (if he were to ship them to USA - I think he may also have a Canadian domicile) but with the possibilty of greater savings.
OP is never going to replicate them "at home".
For one thing the drivers are usually custom ordered. Then getting the time alignment, phase and transfer function correct is sometimes tweaked more to a taste then a perfect chart function.
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