CED JJ Electronic T 12AY7 JJ Vacuum Tube 12AY7 JJ Electronics P7252509CED-T-12AY7-JJ https://cdnimages.opentip.com/full/CED/CED-T-12AY7-JJ.jpg JJ Electronic T 12AY7 JJ Vacuum Tube 12AY7 JJ Electronics Manufacturer Part Number: T-12AY7-JJThe JJ Electronic 12AY7 is a low microphonic tube built in the same rugged fashion as all JJ preamp tubes. This tube offers the classic warm 12AY7 sound with rich and balanced harmonics when pushed enough to break up. It\'s a great choice for authentic tweed tones but can also help clean up amps when used in place of a 12AX7. Additionally, the JJ 12AY7 is a great replacement in 6072 microphones.Measurements and Specs Capacitance, Grid to Filament1.6 pF Capacitance, Plate0.33 pF Capacitance, grid to plate1.7 pF Cathode Current (Ik)≤ 10 mA Filament Current (If)300 / 150 mA Filament Voltage (Uf)6.3 / 12.6 V Gain (μ)40 Grid Voltage (Ug)≥ -50 V, -4 V typical Heater to Cathode Voltage (Uk/f)≤ 90 V Internal Resistance (Ri)22.8 kΩ Plate Current (Ia)3.0 mA Plate Dissipation (Wa)≤ 1.5 W Plate Voltage (Ua)≤ 300 V, 250 V typical Transconductance (S)1.75 mA/V Packaging Dimensions2.5 in. × 1 in. × 1 in. Weight (Packaging)0.03 lbs. Files Specification SheetAll Models 7252509 841358101809 0.0500lbs 0.00 0.00 0.00

JJ Electronic

19.39 2025-09-08 In Stock JJ Electronic T 12AY7 JJ Vacuum Tube 12AY7 JJ Electronics

customer review - by David Griffith, December 12, 2023

5/ 5stars

Works well and got my 1950s guitar amp working again.

customer review - by A Customer, December 12, 2023

4/ 5stars

Most tubes are pretty much the same. So no big deal getting an Electro harmonix vs JJ tube. Most tubes are just rebranded. I would just like to tell seller be aware some people do prefer one over the other. Other than that Im sure it will work for me.

customer review - by sbsstt, September 9, 2023

5/ 5stars

Put this in the volume position on my Fender Hot Rod Deluxe. Wish I di it years ago, the volume can now go to 5,6, and 7 without blowing the windows out. Not sure why Fender does not put this type in the volume from the factory.

customer review - by matteo, August 8, 2023

5/ 5stars

The valve is not noisy and it is great to tame my Fender Blues Deluxe (non reissue)

customer review - by A Customer, August 8, 2023

5/ 5stars

It worked properlyThank you

customer review - by Anonymous, March 3, 2023

5/ 5stars

customer review - by Rod, December 12, 2021

5/ 5stars

I recently had my early ‘90s ‘59 Bassman reissue serviced, and the tech replaced the original tubes with Tung-Sols. For the preamp tubes he used all 12AX7s because that's what the Fender schematic calls for, and he probably didn't stock 12AY7s. It sounded great, but it did seem to break up earlier than it used to (I had replaced the original first preamp tube with a 12AY7). I was in a local music store and they had a box of new JJ preamp tubes. I didn't think they'd have a 12AY, but lo and behold, they did, and it was cheap. I replaced the Tung-Sol 12AX7 in the first position with the JJ 12AY, and the Bassman immediately got clearer, rounder, and sweeter, with more headroom. Definitely recommended.

customer review - by John, July 7, 2020

5/ 5stars

Put it in v1 and Tamed my Fender Deville

JJ Electronic T-12AY7-JJ Vacuum Tube - 12AY7, JJ Electronics

Rating 5 | 8 reviews

Brand JJ Electronic

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UPC: 841358101809

SKU: CED-T-12AY7-JJ

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Product Description

Manufacturer Part Number: T-12AY7-JJ

The JJ Electronic 12AY7 is a low microphonic tube built in the same rugged fashion as all JJ preamp tubes. This tube offers the classic warm 12AY7 sound with rich and balanced harmonics when pushed enough to break up. It's a great choice for authentic tweed tones but can also help clean up amps when used in place of a 12AX7. Additionally, the JJ 12AY7 is a great replacement in 6072 microphones.

Measurements and Specs

Capacitance, Grid to Filament

1.6 pF

Capacitance, Plate

0.33 pF

Capacitance, grid to plate

1.7 pF

Cathode Current (I_k)

≤ 10 mA

Filament Current (I_f)

300 / 150 mA

Filament Voltage (U_f)

6.3 / 12.6 V

Gain (μ)

Grid Voltage (U_g)

≥ -50 V, -4 V typical

Heater to Cathode Voltage (U_k/f)

≤ 90 V

Internal Resistance (R_i)

22.8 kΩ

Plate Current (I_a)

3.0 mA

Plate Dissipation (W_a)

≤ 1.5 W

Plate Voltage (U_a)

≤ 300 V, 250 V typical

Transconductance (S)

1.75 mA/V

Packaging Dimensions

2.5 in. × 1 in. × 1 in.

Weight (Packaging)

0.03 lbs.

Files

Specification Sheet

All Models

Attention CA Residents: Prop 65 Warning

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

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