• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

REAL Novar sockets inside ;<)

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Received shipment 100pcs of Big base 9 pin equipped w/ 1.0mm pin sockets ... Am ecstatic to report that they are CORRECT!
First trial fit into 12GT5 was a bit tight- but relaxed to normal after 3 insertion / removals.
To abbreviate design thesis- install Compactron pin sockets in Magnoval bases- The End...

To give credit where it's due- 'smoking amp' gave me the idea, I just followed thru and made it happen on the production side-
Pic #2 shows silver pin Magnoval (1.2mm) socket next gold pin (1.0mm) Novar hybrid. To accomplish this would seem easy, but there were hurdles-

Background:
https://www.diyaudio.com/community/threads/novar-dilemma-b9e-vs-b9d.376483/
https://www.diyaudio.com/community/threads/real-novar-sockets.370531/

Research and process-
https://www.diyaudio.com/community/threads/novar-base-list.396411/page-2#post-7300479

Received 100 count of these set up for PCB mount, pulled and tested 5 random pcs- all had w/ uniform feel...
Bit tight at first install w/ 12GT5, but loosened up after 3 insertion/ removals that feel normal to me
Need 10 pcs for 2 Grommes/Precision S100 mono block projects in que, but will put other 90 pcs up for sale marketplace section here first, next day or 2, then ebay bit later higher $
Got them for good price, so will pass on- $2.50 each + the ride to lower 48, will ship to Canada too, even tho customs dec's are PITA.
Have asked manufacturer if can make available to AliExpress vendors for world wide ship-

To be clear, these Novars are right! I'll hang my hat on them w/ money back guarantee
Jim
 

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Charlie-
These are already available: https://shop.ehx.com/item/9pinx/
WOW! they jumped in price from $5.xx when I started this project couple months ago.

I think you can use these PCB sockets for chassis app's if remove brackets from these:
https://www.ebay.com/itm/223447901457

Adds $1.85 each to socket purchase, but still a lot cheaper than $8.64 each.
Back to your Q-
Not sure if I will generate Chassis mount versions. Will have to sell out of PCB mounts before considering... takes lotsa correspondence.
Jim
 
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Have asked manufacturer if can make available to AliExpress vendors for world wide ship-

To be clear, these Novars are right! I'll hang my hat on them w/ money back guarantee
Jim


Let me understand, you actually got the manufacturer to do a special production run of these for you using 1mm pins instead of 1.2mm? And all you had to do was purchase a minimum of 100? Or did you just stumble upon a batch of Magnovals that had tight pins?