RE134 TUBE PAIR TELEFUNKEN #TUBE OLDEST PRODUCTION #PRE AMPLIFIER #MATCHED PAIR #NOS # FRONT LOGO # PRE AMPLIFIER VALVE # MATCHED PAIR NOS SAME CODE LE (ON THE BASE) SAME YEAR OF PRODUCTION TEST 26 mA FOR EACH TUBE (WHERE 19mA =100%) # STRONG TUBES !! CODE TUBE 1 587 LE xfv CODE TUBE 2 807 xrz ~ L413 B409 KLANGFILM KL71401 TB09 DX804 LL413 OLDEST PRODUCTION MILITARY VERSION BIG BULB SMOKED GLASS

tube valve lampe röhre tsf 진공관 真空管 HAM RADIO audio hi-end hi-fi diy POWER AMPLIFIER Pre-Amplifier Preamp Pri stereo SE Single Ended PP Push-Pull

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