Original Matched Pair of transistors MP20A/B + P30 NOS ( Analog NKT275/AC125/SFT363E )
HFE And Leakage You Choose.

!!!  Attention !!! How Do I Perform Testing?

1. HFE is tested with a calibrated LCR-T4 tester.

2. Transistor leakage is measured by R.G. Keen's method from the Geofex website.

Friends, I don't take the ICEO value of the LCR-T4 into account! This figure is far from reality! More often than not, it shows something unknown...

I do everything I can to ensure that testing is accurate and physically correct!


Excellent And My Favorite Combination 
Excellent Combination Of Leakage And Gain (hfe) And Low Noise
Transistor P30 Is Rare And low-noise! ​​In the high gain section it is amazing!!
Easy To Set Up And Sound Great!

More Interesting Than AC128 / NKT275

Each Pair Is Selected Individually.

Much more transistors! I WILL CHOOSE THE HFE YOU NEED!

Actively Used in Original Analog Man and Dunlop and other Boutique Brands

Not CHINA and not Rrebranding!!!


Everything I Sell Comes With A GuaranteedI Will Answer Qestions - I Will Send Additional Photos

Thank You! Tim