This bass booster preamp is from an English publication (1966). We can mount it with more modern equivalent transistors. C5 and C7 may have values in the range of 1 to 47 nF, depending on the desired reinforcement.
This bass booster preamp is from an English publication (1966). We can mount it with more modern equivalent transistors. C5 and C7 may have values in the range of 1 to 47 nF, depending on the desired reinforcement.