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Stupid question


Oldgoat912

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I am the proud owner of a set of Cornwalls which I purchased in the early 1980.  They are still functioning perfectly and in excellent condition.  Type CWO and the serial numbers are 145944 and 145945,

All components remain the same that came out of the box.  LOVE them.  Unfortunately, I don't remember where the paperwork is and after 40 years I don't remember many of the specs.  I would like to know the efficiency rating of my babies.  Can anyone enlighten me?  Thanks.

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Welcome, I moved this to 2 ch because the curator of the museum which is the Historian is on a part time schedule because of covid. It will probably be seen faster and get an answer faster here.  

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On 6/14/2021 at 3:41 PM, Oldgoat912 said:

  I would like to know the efficiency rating of my babies.  Can anyone enlighten me?  Thanks.

Your Cornwalls were manufactured in 1978 ---- K33E square magnet ;k55V push pin terminals -k77 round magnet --the mids and HF have Alnico magnets

--96 db SPL -36 TO 17,000hz + - 5db  - 

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On 6/14/2021 at 3:41 PM, Oldgoat912 said:

I am the proud owner of a set of Cornwalls which I purchased in the early 1980.  They are still functioning perfectly and in excellent condition.  Type CWO and the serial numbers are 145944 and 145945,

All components remain the same that came out of the box.  LOVE them.  Unfortunately, I don't remember where the paperwork is and after 40 years I don't remember many of the specs.  I would like to know the efficiency rating of my babies.  Can anyone enlighten me?  Thanks.

welcome to the forum -

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56 minutes ago, Oldgoat912 said:

Thank you gentlemen.  Apparently my 50/50 vision did not catch the "S" that I mistook for a 5.  So, my Cornwall II speakers were manufactured in 1978.  They still sound great and were one hell of a lot more affordable then than they are now.

 

not Cornwall ll's

Cornwall 1's in 1978

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