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RCA 12AX7 LONG-BLACK-PLATE "D-GETTER" TUBE MATCHED-TRIODE AMPLITREX TESTED
RCA 12AX7 LONG-BLACK-PLATE "D-GETTER" TUBE MATCHED-TRIODE AMPLITREX TESTED
1958 RCA 12AX7 LONG-BLACK-PLATE "D-GETTER" TUBE MATCHED-TRIODE AMPLITREX TESTED
  
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Original RCA LONG-BLACK-PLATE D-GETTER 12AX7
$225.00
$175.00
$175.00
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Product Code: RCA-7025-BP
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Description
 
The old original RCA BLACK-PLATE 12AX7's are very scarce, in fact, practically nonexistent in "NOS or even suitable NOS-LIKE shape". When you do find them they are usually worn down and half-life. Here is your opportunity to source phenomenal tubes with zero gas and zero heater-to-cathode leaks! American made 12AX7 tubes by RCA, the Premier World's Best manufacturer of 12AX7 extinct never to be made again tubes... Made in USA in the 1950's RCA MATCHED-TRIODE USA HIGH QUALITY 12AX7 TUBES. Quiet 12AX7 "PHENOMENALLY QUIET LIQUID SONIC TEXTURES" LONG 17mm BLACK PLATE OLD U.S.A."D" GETTER RINGS MADE IN USA 12AX7 tubes have two (2) sides, that's why they are called "dual or twin-triodes"

There's no fooling around at the Tube Museum with meaningless claims like "tests strong!" WITHOUT SUBSTANTIATING TEST MEASUREMENTS, or some arbitrary number like "the tube test 82 with a minimum of 75" and no maximum stated! Wide gaps in mA and mA/V is not matched no matter how hard other sellers scream otherwise! Avoid those sellers! They don't show you the H-to-K (heater to cathode) leaks because they can't test for them, or hide the real facts from you! TubeMuseum tested tubes always give you the test results in clear understandable FACTORY-DATA so you can compare with the real factory data sheets in mA and mA/V, just like the original factory data sheet specifications! VERY RARELY DO YOU EVEN SEE RCA BLACK-PLATE D-GETTER 12AX7 TUBES! LUCKY YOU! Recommended in - Hi end Audiophile Preamps requiring Quiet Low-Noise 12AX7's - Milbert Amplifiers GAGA 60-watt tube head - Dumble Overdrive - Dr. Z - Vox - Marshall - Fender Amps - Deluxe Reverb, - Vibrolux Reverb - Super Reverb - Twin Reverb - Showman Reverb - Pro Reverb - Showman Reverb - compressors - Mesa Boogie's - most any 12AX7 application seeking Quieter Performance Quiet 12AX7 exhibiting a total sonic tapestry of music "PHENOMENALLY QUIET LIQUID SONIC TEXTURES" - this tube is exhibits a exceptional broad frequency spectrum, a real reference quality 12AX7 recommended for the best audio / music amps TubeMuseum tested tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be. PASSED THE AMPLITREX DIGITAL TESTS = STRONG mA & Gm and NO HEATER-TO-CATHODE LEAKS! Select one (1) for one tube. JUST ONE (1) AVAILABLE!

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