I have an Anthem Pre 1 preamp.I'd like some advice about which of these tubes wouldyou recommend: Electro Harmonix 12AT7,Phillips NOS 12AT7,Sylvania NOS 12AT7,GE NOS 12AT7,Westinghouse NOS 12AT7. Thanks in advance for your kind attention!
Check Joe's Tube Lore at Audio Asylum where you can get a detailed description of the characteristics of the various 12AT7 tubes. Be forewarned, JOe does not like the 12AT7.
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