try this link (sorry)
https://drive.google.com/open?id=173B-rF26ekvNM2_ltGC_xgA8WhJrrSjX
https://drive.google.com/open?id=173B-rF26ekvNM2_ltGC_xgA8WhJrrSjX
Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Tubes4hifi VTA tube amp and preamp kits and all Dynakitparts.com products