The Fender Princeton (Blackface) uses the following tubes: 12AX7, 6V6GT, 5U4GB. Find tested NOS and modern-production replacements on TubeDealer.
Each tube position in the Fender Princeton (Blackface) links to live TubeDealer inventory filtered by that type. Browse NOS, tested-used, and modern-production options from verified sellers with condition notes, test data, and clear pricing.
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