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The Electro-Harmonix 12AT7 EH is a premium single vacuum tube designed for high-fidelity audio and guitar amplifier circuits. Featuring a large plate Twin Triode format, it offers superior heat dissipation compared to vintage NOS tubes, ensuring durability and consistent performance. Perfect for driver and reverb applications, this ECC81 equivalent tube is backed by a 90-day warranty from New Sensor, making it a reliable choice for musicians and audiophiles seeking professional-grade sound enhancement.
| Amplifier Type | Tube |
| Asin | B01HT8U2BC |
| Best Sellers Rank | #43,558 in Musical Instruments (See Top 100 in Musical Instruments) #163 in Guitar Amplifier Tubes |
| Brand | Electro-Harmonix |
| Customer Reviews | 4.5 4.5 out of 5 stars (99) 4.5 out of 5 stars |
| Enclosure Material | Glass |
| Global Trade Identification Number | 00683274021768 |
| Manufacturer | New Sensor |
| Mfr Part Number | 12AT7 EH |
| Model Number | 12AT7EH |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Upc | 683274021768 844632022272 609722128308 846408004888 |
| Warranty Description | New sensor will credit or replace, at its discretion, a vacuum tube product that fails to operate due to defects in materials or workmanship for a period of 90 days from date of purchase. This applies only to original purchasers who have bought their product from amazon directly (and not through a third party seller). Replaced products will then be warranted for the unexpired portion of the original warranty term. |
User
Very Cool
This is a great tube! I bought it to try in a preamp for a warmer acoustic guitar tone, and it really made a difference. Really well made, as expected from Electro Harmonics
User
great tube!
These are a good quality tube. EH has always worked well in my amps. Can't say how long it will last since I just installed.
User
Excelente valvula
Muy buena valvula si quieres reducir la ganancia y volumen de tu amplificador de guitarra, usandola en V1.
User
Excellent in Fender Hot Rod
I replaced the 2 12AT7's with AX7's. No longer need to route the signal through a pot on the effects loop. Before that pot was installed pushing the volume on channel 1 to from 1 to 2 was deadly your ears. One AX7 made it a little better but 2 is better still.
User
Did the job
I put a pair of these in my EHX English Muff'n as my old tubes didn't sound too great, and these did the trick! Before, I had this high-frequency hiss with my pedal, but this cleaned up that obnoxious hiss and has my pedal sounding milky and good as new. Great buy.
User
Great preamp tube
I purchased this tube and an Electro-Harmonix 12AY7 EH to experiment with in one of their pedals, an LPB2UBE. The AT7 didn't actually make enough of a difference from the 12AX7 I swapped it for so I ended up using the AY7. This tube worked flawlessly however and I'll keep it safely tucked away in case I ever need it.
User
Microphonic
Mine was very microphones. Made strange noises in my amp (that were not me!) Ha!
User
8-10% tone improvement.
Tubes aren’t as magical as people will lead you to believe, but I had around a 8-10% tone improvement installing these in a Deluxe. I DID have those terrible GT tubes that comes factory installed in it, which may be why I had the bigger improvement in tone. Expect 5% better if you already have quality tubes.
User
Junk, but the junk got here quick.
Tube was microphonic and they had no replacement. Would cost what the tube was worth to send it back. Basically they took my cash, and gave me junk.Shipping was quick though, so I found out right away that I needed to buy another from somewhere else.
Trustpilot
3 weeks ago
2 months ago