MESA BOOGIE
Mesa Boogie 12AT7 Preamp Tube
- SKU:
- 12AT7
- UPC:
- 809404059115
- Condition:
- New
- Availability:
- Usually Ships with 24 hours
- Shipping Weight:
- 0.08 LBS
- Shipping:
- Free Shipping
Available Now at Northeast Music Center!
MESA/Boogie 12AT7 Preamp Tube
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.
KEY FEATURES:
• 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
LOWER GAIN — DIFFERENT RESPONSE
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.
COMMON MESA APPLICATIONS
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-SELECTED PERFORMANCE
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.
WHY BUY FROM NORTHEAST MUSIC CENTER?
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.
Shipping
We can ship to virtually any address in the world however our Website is optimized for USA sales. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based as well as Distance based and now Dimensional weight based (the actual size of the shipping box) . The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound. Please note that some shipping companies ship by Box Size
We ship primarily through UPS, but can also ship through the United States Postal Service or FedEx at the buyer’s request. For any Worldwide shipments we use UPS or USPS. The shipping price you are charged covers transit, insurance, proper packing, and tracking. If you prefer another shipping method please let us know so we can accommodate your needs. In the event of damage in transit we will help facilitate a claim with the shipping company to ensure full refund.
Returns Policy
We offer a 72 hour approval period on all guitars, amplifiers, and pedals from the date of purchase for in store transactions or date of delivery for internet orders. This approval period is for the buyer to make sure that the instrument is in the condition and originality we advertised. In the event of any return the buyer pays all shipping and insurance costs, both to and from, as well as any other fees associated with the transaction.
You should expect to receive your refund within 2 business days of us receiving your package from the return shipper. This time period does not include the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (1 to 3 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
PLEASE CALL US FIRST at (570) 909-9216 If you need to return an item, You can then simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
For logistical reasons we are unable to accept returns or cancellations on any item that was special ordered. All returns must be approved by phone or email and must be returned in the exact condition they left our store. Any item returned not in the same condition it left our store is subject to a 20% restocking fee at our sole discretion. For logistical reasons we are unable to accept returns on any transaction involving a trade, both in store and online. Unauthorized returns will be refused and returned at customer's expense. Please know we go to great lengths to ensure with 100% confidence that you are getting the exact item you purchased in the condition and originality described. We strive to earn your business.
Layaway
We offer a 60 day layaway program for all items in our store. A 20% non-refundable deposit is required and hold the item for up to 60 days. In the event of layaway cancellation, the 20% deposit will be forfeited.
Accepted Methods of Payment
Cash, Visa, Mastercard, Discover, American Express, PayPal and Wire Transfer. If you have any questions regarding payment please ask.
