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JJ 12AX7 / ECC83S

Description

Sweet and warm sounding preamp tube with high gain. We recommend this tube for guitar/bass amps.

Files:

Datasheet

Safety Information

Safety Information for Vacuum Tubes

For all electrical, electromechanical and mechanical components, the specifications and operating parameters arising from the respective type standard generally apply.
Further information, where available, can be found in the respective data sheets and product descriptions included with the product.

General Information

NOT SUITABLE FOR CHILDREN - choking hazard due to small parts
NOT SUITABLE FOR UNTRAINED PERSONS - danger to life due to high voltages
The safety and processing requirements applicable to the component must be observed
CE conformity applies only when installed professionally
Warranty becomes void in case of improper handling
The operator is responsible for proper installation
Local regulations and VDE provisions must be complied with
Never exceed the rated power
Never exceed the rated voltages and currents

Required Expertise

Use of measuring instruments (multimeter, oscilloscope) and evaluation of measurement results
Safe handling of high voltages (up to 500V and more)
Reading and understanding circuit diagrams
Selection of appropriate tools
Knowledge of electrical components and their characteristics
First-aid knowledge for electrical accidents
Knowledge of VDE regulations and safety requirements

Amplifier Tubes

Hazard due to high voltages
Hazard due to very high heat generation
Hazard due to glass breakage
Hazard due to UV radiation in case of defective tubes

Manufacturer

Herstellerinformationen | Manufacturer Information
JJ Electronic
A. Hlinku 3
022 01 ČADCA
Slowakische Republik
www.jj-electronic.com

Customer reviews (12)

Essential information about customer reviews We do not verify that the published reviews come from such consumers who have actually used or purchased the rated goods or services. All reviews, i.e. positive and negative, are published. No reviews that are unobjective, offensive or unrelated to the product will be published.

Lars K., 08/27/2019

I put these in the V2 and V3 positions of a VOXAC15C1. They sound good. For the V1 use either a 'V1' rated JJECC83S or a Tung Sol Reissue. Both sound good with the Tung Sol offering a bit more clarity and gain. Both sound good with the Tung Sol offering a bit more clarity and gain.
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Corrado, 03/02/2010

I have put it in v2,v3,v4 position of my Peavey Ultra Plus following the suggestion of TT. I don't have a lot of experience about tubes but the clean is still sparkly and I don't notify any noise.I've replaced a Sovtek 12ax7 whit this. The crunch and ultra channel aren't noisy also. I'm satisfied and my wallet also! clean is still sparkly and I don't notify any noise.I've replaced a Sovtek 12ax7 whit this. The crunch and ultra channel aren't noisy also. I'm satisfied and my wallet also!
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Customers who bought this product bought also the following products:

Kit Seriel FX-Loop LND150

Active, serial FX-Loop for a subsequent installation in an existing tube amplifier
The FX-Loop works with two LND150 in the send and in the return stage. The send and return level can be adjusted to their optimal value with two potentiometers. The Loop works with the present high voltage of the amplifier.
It has two inputs for low and high signal levels.

Input Levels:
InA: 30 - 60 Vpp, max. 65 Vpp
InB: 10 - 15 Vpp, max. 18 Vpp

The FX-Loop utilize POTENTIALLY FATAL HIGH VOLTAGES.
Seek help from a competent technician if you are in any way unfamiliar with high voltage circuits.
Use at your own risk.

Files:

Documentation

27,80 €