Dual Rectifier Mod
This mod will add dual rectifiers to your ST70 or ST120
And replace your quad cap with modern electrolytic caps!
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Highly recommend for ST120 tube amps! Note: If you have triode/pentode switching installed, You must either relocate the switches or remove them. |
Front view - shown with optional bias display
Top front view - shown with optional bias display
Bare PCB
fully stuffed PCB with all capacitors
wiring from bottom to top of chassis
wired board ready to mount
photo from bottom side of chassis
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DR mod - bare PCB $35 includes shipping (inside USA only) |
DR mod - complete kit Includes PCB and all parts $85 includes shipping (inside USA only) |
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send us email at: info@tubes4hifi.com
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