Blackface Phase Inverter Blueprint F & T Electorlytic caps We also offer M150 and

We also offer M150 and 6PS Orange Drop signal cap upgrades in our plus kits

Add mods & upgrades available at discounted prices with purchase of our overhaul  kits

Aging resistors can affect this

Only a few things changed circuit-wise from the blackface to silverface models

and the quality of this one cap has a significant impact on the tone and performance of the entire amp

Blackface Phase Inverter Blueprint F & T Electorlytic caps We also offer M150 andThis kit was designed to restore optimum performance to your blackface amplifier by blueprinting the phase inverter. Many of these resistors have drifted over time, and returning to spec (along with balancing where important) restores your vintage blackface amp and brings it to another level regarding tone and performance, sounding as good (or better!) than ever. NOT COMPATIBLE WITH: AB165 BASSMAN PRINCETON REVERB PRINCETON CHAMP VIBRO CHAMP