Mesa Boogie's SPAX7's are a premium grade substitute for the standard 12AX7 - They are a "Special Requirement Preamp Tube" that possess an even higher standard of overall performance than their high-quality 12AX7 due to their incredibly low sensitivity to microphonic noise. This is the ultimate preamp tube to use in all critical gain stage positions - The absolute best of the best!
Substitute preamp tube in select, critical stages of MESA/Boogie Guitar & Bass Amps, Preamps, Power Amps, V1 & V-Twin Pedals.
We are open Tuesday-Saturday from 10am until 6pm CDT.
Any order placed before 3pm CDT Tuesday through Saturday is processed for shipment the same day. Orders placed Sunday-Monday will be processed for shipment the following Tuesday.
For Free Shipping items, Effects pedals and small goods items are generally shipped via USPS Priority Mail, and Guitars and Amplifiers are generally shipped via UPS Ground.
Due to our central location in the middle of the US, most orders will be delivered within 1-3 days delivery time.
Other shipping methods are available (at an additional cost), including next day air.
Please call us directly at (972)540-6420 if you have any questions regarding shipping for your order.
