 | 12AX7/ECC83 - JJ ElectronicsMultiple Options Available 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. It is also highly recommended for studio pre-amps and hi-fi gear. Available with gold pins.
| Starting at $10.45 | Click to read more |
 | 12AT7/ECC81 - JJ ElectronicsMultiple Options Available 9 pin miniature preamp tube (Amplification Factor = 60) R.F. DOUBLE TRIODE Medium gain pre-amplifying double triode. Can be also used as replacement for 12AX7 in many applications. Very smooth and warm sound. Very low microphonic. Good for phase inverters or reverb drivers. Available with gold pins
| Starting at $10.50 | Click to read more |
 | 12AX7 - Tung-SolMultiple Options Available Russian made reissue of the original Tungsol. The Ultimate 12AX7. Big, warm, and musical. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. Available with gold pins.
| Starting at $14.95 | Click to read more |
 | 12AU7/ECC82 - JJ ElectronicsMultiple Options Available The JJ 12AU7 is built in the same fashion as the legendary 12AX7 JJ. Solid construction and extreme attention to detail make this tube one of the best preamp tubes in production today. Available with gold pins
| Starting at $9.95 | Click to read more |
 | 12AX7/ECC83 - Electro-HarmonixThis Russian tube is full bodied and bright with a more straightforward presentation. It packs a lot of bite with its higher-than-normal gain. In overdrive, it offers a lot of crunchy fizz. High gain preamplifier tube with ultra low noise and detailed, musical tone. Unique spiral filament eliminates filament to cathode induced hum common on amplifiers that use AC on the filaments.
| $12.95 | Click to read more |
 | 12AX7/ECC83 - Mullard, Made in RussiaRussion-made Mullard Reissue 12AX7 dual triode. Large sound stage with excellent detail. Factory selected for low noise and microphonics. Great for hi-fi amps.
| $19.95 | Click to read more |
 | 12AX7 - Tube Amp Doctor, Premium Selected 9 pin miniature preamp tube (Amplification Factor =100). This is the ubiquitous Chinese 12AX7 with premium selection. The gain is high and the German Tube Amp Doctor must be filtering out the noisiest ones. Premium selected by Tube Amp Doctor, this is a quiet Chinese 12AX7 with high gain that will bring a dull sounding amp back to life.
| $16.95 | Click to read more |
 | ECC803/12AX7 - JJ Electronics, Long PlateMultiple Options Available The JJ ECC803 is a long-plate version of the standard 12AX7. The longer plates give the tube higher gain. It has a rich and full tone with creamy distortion that does well in any 12AX7 application. Spiral filament for reduced microphonics. Available with gold pins
| Starting at $13.95 | Click to read more |
 | 12AX7LPS - Sovtek9 pin miniature preamp tube (Amplification Factor = 100). This Russian tube is full bodied and well balanced. It has a high gain with a very smooth presentation. In overdrive, it is not quite as defined as the 12AX7-S-JJ, but it offers more crunchy fizz.
| $13.50 | Click to read more |
 | 7025-WA - Tube Amp Doctor, High-Grade, Premium SelectedThe TAD 7025 WA delivers full gain with smooth top end. No microphonic issues even with the most sensitive preamps. The 7025 WA supports a fat midrange and creates a bold tone with lots of overtones. Played clean the TAD 7025 WA delivers a warm liquid tone which is very responsive to dynamic playing. Overdriven the 7025 WA provides lots of sustain with well defined mid-range punch.
| $19.95 | Click to read more |
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