index

Electro-Harmonix 12AX7EH Preamp Vacuum Tube, Single

  • Regular price $28.85
  • 3 available

Availability: 3 item(s) left in stock!

Join Waitlist
Wishlist Compare

Brand: Electro-Harmonix

Sku: WBMUSB0002M72JS

UPC: 133587597974

At Emusicmart, we are committed to delivering your music gear and electronics quickly and safely. Every order is carefully packed and shipped with insurance for added protection.

Processing & Delivery Time

  • Order Processing: Orders are processed within 1–3 business days (Monday–Friday, excluding holidays).
  • Delivery Time (U.S. only): Standard delivery typically takes 3–5 business days after dispatch.
  • Please note: Delivery times are estimates only and may vary depending on your location, weather conditions, carrier delays, or other factors beyond our control.

Shipping Destinations

  • We currently ship only within the United States.

Shipping Costs

  • We are pleased to offer free standard shipping on all U.S. orders.
  • Expedited shipping options may be available at checkout (additional charges apply).

Packaging

  • All orders are shipped in plain, secure packaging for privacy and protection.
  • No product details will appear on the outside of the package.

Signature Requirements

  • For your protection, all orders valued at $250 or more may require a signature upon delivery.

Order Tracking

  • Once your order ships, you will receive an email with tracking details so you can follow your shipment.

Lost, Delayed, or Damaged Shipments

  • If your package is lost, delayed, or arrives damaged, please contact us immediately at support@emusicmart.com.
  • We will work with the carrier to resolve the issue as quickly as possible.

Security Verification

  • For your protection, we may occasionally contact you to verify payment or order details before shipping.

Questions?

For details on returns and refunds, please see our Return & Refund Policy.
If you have any questions about shipping or delivery, please contact our customer service team:
📧 support@emusicmart.com

⚠️ California Proposition 65 Warning :
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

For more information, visit www.P65Warnings.ca.gov.

Secure payment
Guarantee safe checkout

Electro-Harmonix 12AX7EH Preamp Vacuum Tube, Single

$28.85

Frequently Asked Questions

  • Q: What is the Electro-Harmonix 12AX7EH Preamp Vacuum Tube? A: The Electro-Harmonix 12AX7EH is a high-gain Twin Triode vacuum tube designed for use in amplifiers and other audio equipment, providing a detailed and musical tone.
  • Q: How does the 12AX7EH compare to other 12AX7 tubes? A: The 12AX7EH is known for its ultra-low noise performance and is considered one of the best all-around choices for replacing 12AX7/ECC83 types in various circuits.
  • Q: What are the main features of the 12AX7EH tube? A: Key features include a short plate format, ultra-low noise from its unique spiral filament design, and compatibility as an ECC83/7025 equivalent.
  • Q: Is the 12AX7EH suitable for all types of amplifiers? A: Yes, the 12AX7EH is a versatile replacement and is generally suitable for most amplifiers that require 12AX7/ECC83 tubes.
  • Q: What type of sound can I expect from the 12AX7EH? A: You can expect a detailed and musical tone, making it ideal for enhancing the sound quality of your audio equipment.
  • Q: How do I install the 12AX7EH tube in my amplifier? A: To install the 12AX7EH, ensure the amplifier is powered off and unplugged. Carefully remove the old tube and insert the new tube into the socket, ensuring proper alignment.
  • Q: What is the lifespan of the 12AX7EH vacuum tube? A: The lifespan of the 12AX7EH can vary depending on usage and conditions, but it typically lasts several hundred to a few thousand hours in standard applications.
  • Q: Can I use the 12AX7EH with a guitar amplifier? A: Yes, the 12AX7EH is commonly used in guitar amplifiers for its high gain and musical tone, making it a popular choice among musicians.
  • Q: What should I do if the 12AX7EH tube fails? A: If the tube fails, you should replace it with a new one. Look for signs like unusual noise or loss of amplification to determine if it needs replacement.
  • Q: Is there a warranty for the Electro-Harmonix 12AX7EH tube? A: Warranty details may vary by retailer, so it's best to check with the seller regarding any warranty or guarantee offered with the purchase.