[sdiy] Substitute for IMF-3958 ARP 4015 S/H SubModule

[rob]

Hi
2N3958's are on ebay.com at 5.95 US dollars.
2N5172 and 2N6076 are available from mouser.com

But if you need just a few, email me off list as I have them all..

Regards
rob

>>> Hi everybody,
>>> I am looking for the IMF-3958 or 2N3958 N-Channel J-FET for a ARP  
>>> 4015
>>> S/H Submodule (ARP2600). Is there a good substitute ?
>>> Also looking at the schematics from ARP-TECH's site. I don't
>>> understand what the "GUARD" means coming from the Source of the  
>>> 2N4392
>>> to the two Gates of the 2N3958.
>>> Thanks
>>> Csaba