Vacuum Tubes #1 ONLINE Source for all NOS Vacuum Tubes
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NOS Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for NOS Vacuum Tubes
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7730=Premium low noise 12au7
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USA Made Philips PQ E180F 6688 tubes. Triple Mica gold pin construction! These are an excellent value,,,same Philips contruction only made in the USA
This is a suitable replacement for any 12AU7 tube type. Various brands available.
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