Jump to content
The Klipsch Audio Community

Production log information for Klipschorn # 242 and #1720 and # 1721

Recommended Posts

Hello, I wonder if you would be so kind as to provide me with the productions scans for Klipsch Music Reproducers  # 242 and 1720 & 1721

Share this post

Link to post
Share on other sites

Got me to doing some research! 


Nov. 18, 1961 the W5 was changed to W6 with the 5 mH choke changing to 2.5 mH. 


In early 1964 all designations were changed to reflect TYPE_____ (fill in the blank). 

"1" was for Khorn & LaScala.

"2" for Cornwall, Shorthorn 12", and Model H as a center

"3" for Shorthorn 15"

"4" for Model H

"5" adopted later in 1964 for Khorn and LaScala


Then on Oct. 9, 1964, EV tweeters were found to be variable in output.  1R was for 3dB low tweeters, 1Q for 6dB, and 1S for 9 dB!  


On Oct. 1, 1965, they discontinued the use of the L2 choke, so a further suffix was added.  1RB and so on.  



Share this post

Link to post
Share on other sites

Thanks Jim!...that is some really good info...invaluable for originality verification and restoration purposes of these vintage heritage models.

Share this post

Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...