When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
This kit will replace the original Dynaco driver circuit and printed circuit board, using the excellent sounding 6SN7 triode. Tubes are NOT included with the kit! The benefits of upgrading your Dynaco ST-70 amp with our Dynaco ST-70 AB kit are.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.