Available Now at Northeast Music Center!
Keep your tube amplifier performing at its best with a genuine MESA/Boogie 12AT7. This premium-grade, lower-gain preamp tube is selected for stability, low noise, low microphonics, and consistent tonal performance—making it an excellent replacement for amplifiers designed around a 12AT7 or ECC81.
Available from Northeast Music Center, genuine MESA tubes are an excellent choice for maintaining the performance and reliability of your MESA/Boogie amplifier.
• Genuine MESA/Boogie 12AT7
• Premium-Grade Preamp Tube
• Lower Gain Than a 12AX7
• Equivalent to ECC81
• Selected for Low Noise & Low Microphonics
• Excellent Stability & Consistency
• Commonly Used for Reverb Driver Applications
• Commonly Used in Phase Inverter Positions
• Can Be Used in Compatible 12AX7 Positions for Lower Gain Response
• Suitable for MESA and Other Compatible Tube Amplifiers
• MESA SKU: 750230F
The 12AT7 provides lower gain than a traditional 12AX7, making it particularly useful in circuits where additional headroom and a less aggressive gain structure are desired.
MESA notes that a 12AT7 can also be substituted into certain 12AX7 gain-stage positions when a player wants to reduce gain and expand the usable range between clean, clipped, and overdriven sounds.
Always verify that the amplifier and specific tube position are appropriate for a 12AT7 before making a substitution.
MESA has used the 12AT7 in a variety of amplifier designs, particularly for reverb-driver and phase-inverter duties.
Current and recent MESA applications include models such as the California Tweed, Subway WD-800, Triple Crown TC-50 and TC-100, along with later Bass Strategy amplifiers and various earlier MESA/Boogie designs.
MESA places considerable emphasis on tube testing because tube quality directly affects amplifier performance.
Its preamp tubes are selected for tonal quality, stability, low noise, and resistance to microphonics, helping provide consistent performance in demanding amplifier circuits.
For a MESA owner, using a genuine MESA replacement also removes much of the guesswork involved in selecting an appropriate tube.
At Northeast Music Center, we understand that replacing tubes isn't simply about finding something with the same number printed on the glass.
The tube type and its position within the amplifier matter.
Whether you're maintaining a MESA amplifier, replacing a worn 12AT7, or determining which preamp tube your amplifier requires, Northeast Music Center can help you choose the correct replacement.
For players who want a genuine, factory-selected MESA replacement, the MESA/Boogie 12AT7 Preamp Tube is available from Northeast Music Center.
Northeast Music Center is a full line Music retailer located in Northeast Pennsylvania- We are an Authorized Mesa Boogie Dealer and purchase these products direct from MESA HEADQUARTERS IN PETALUMA CALIFORNIA. We do not obtain our MESA AMPLIFIERS or other MESA products from "jobbers" or other dealers. Our MESA AMPLIFIERS AND CABINETS come to you in the factory boxes with factory packing material. We will, upon request, and also randomly, open the box prior to shipping to check that all contents are included and that no damage has been found in shipping from MESA to our Store location. Northeast Music Center does reserve the right to sell these products in our store to daily walk in customers. It is our goal to always have this product in stock and if for any reason we sell out, we will reorder immediately as long as this MESA AMPLIFIER is currently produced for resale by the company. We will order the amplifier in a ample quantity to fill your order. It is our goal to make your experience a good one; We invite you to ask any and all questions about this product. Please do not purchase this item if you can not pay. This is a new Mesa with full 5 Year factory warranty to the Original Owner. 3 Year Warranty on Speakers.
