on sale now, save $10 over usual $99 price, now $89

up for sale is the famous VTA-70 upgrade board, best selling and best performing modification for your Dynaco ST-70 ampfor the past 34+ years.   This is for a PCB plus parts kit to stuff the board, does not include the three 12AU7 tubes.

Also available as a bare PCB, or fully assembled board (see my other items)

Made and sold and shipped to USA only.