This tube has a well balanced, colorful tone with strongly defined lows, mids and smooth highs. It allows for more clean head-room than higher gain 12AX7s. In overdrive, it is smooth and strong with well defined lows and mids. When pushed into overdrive it offers clean distortion with well balanced lows and mids. The JJ 12AX7 is well suited for all types of music and playing styles.

12AX7 vacuum tube,. U.S. Product Code 12AX7. European product Code ECC83. For guitar and Hi-Fi amplifiers,. Can be used in any preamp or microphone application.

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. Its 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..

Package of 4. The JJ Electronic 12AX7 ECC83 has quickly become a modern classic in preamp tubes. Its rugged design and rich harmonics make this tube an obvious choice for musicians who need a reliable and high quality tube at a reasonable price. The balanced tone of the JJ 12AX7 works well in any amp. This versatile tube sounds excellent in clean amps offering an amazing dynamic response while also proving itself in high gain amps with its low noise and noticeably less microphonic issues than other tubes.

Package of 5. The JJ Electronic 12AX7 ECC83 has quickly become a modern classic in preamp tubes. Its rugged design and rich harmonics make this tube an obvious choice for musicians who need a reliable and high quality tube at a reasonable price. The balanced tone of the JJ 12AX7 works well in any amp. This versatile tube sounds excellent in clean amps offering an amazing dynamic response while also proving itself in high gain amps with its low noise and noticeably less microphonic issues than other tubes.

Please pay attention before buying, We received feedback from many buyers, reflecting that Reisong A12 Amp have not enough power.Please confirm that your speaker is a bookshelf speakers with a sensitivity 89db or more. We don't think Reisong A12 work well with a floorstanding Speaker or the low sensitivity speakers.. Point to Point hand welding, preferred audiophiles, output transformer switch to the 76x40 higher end output transformer.. Reisong A12 Amp is an upgraded version of A10, could use more replacement models of tubes without convertor. Come with Tube Cage.. Vacuum Tube EL34 x 2,12AX7 ECC83 x 2,5Z4PJ x 1. If there is no sound from the machine after waiting for a few minutes, Please make sure the power is connected properly. And try pressing the Black Circle Button on the back of the machine for switching between AUX and CD modes.

Package of 2. The JJ Electronic 12AX7 ECC83 has quickly become a modern classic in preamp tubes. Its rugged design and rich harmonics make this tube an obvious choice for musicians who need a reliable and high quality tube at a reasonable price. The balanced tone of the JJ 12AX7 works well in any amp. This versatile tube sounds excellent in clean amps offering an amazing dynamic response while also proving itself in high gain amps with its low noise and noticeably less microphonic issues than other tubes.

Great tube for guitar and Hi-Fi amps. Tubes are handpicked from balanced inventory. Triodes are balanced within 3 for both gain and transconductance. Test readings will be hand written on factory box. Tube will be wrapped in bubble wrap to ensure a safe delivery.

Matched Trio. Matched for both gain and conductance. Spiraled filament allowing for reduced noise. Great value for a great sounding tube.

Smooth tone. Large plates. Matched Pair 2 tubes. Comes with factory boxes. Pair is matched within 10 for both gain and conductance.