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1957 PHILIPS MINIWATT LONG-PLATE ECC83/12AX7
"LONG PLATES" 1957 "D-FOIL-GETTER" NOS
Considered the HOLY-GRAIL of the HOLLAND tubes. This is the rarest "D-FOIL" getter support audio tubes ever made, with fast response, overwhelming detail, the most realistic bass, and overall perfection in a 12AX7 / ECC83 class of tubes. The most rare of the HOLLAND Long Plates!
Rare. Great. Made only from from 1950 to 1956.
Perfect Specifications with high mA & Gm:
Factory Spec is 1.0mA & 1,40mA/V (1,400 per triode)
Tests: 1.0mA/1.0mA and 1,40mA/V (1,400/1,400) 1.40mA/V (100% to 100%) WOW!
12AX7 AUDIOPHILE VALVE
BRING SOME SONIC-COLOR INTO YOUR AUDIO SPECTRUM ... HOLLAND MADE 1957 LONG PLATES balanced and matched liquid smooth sounding with excellent extended bass, midrange, & highs
CRYSTAL CLEAR GLASS BOTTOM 100% NOS WITH NO BURN MARKS because it's NEW NOS!
PRICED EACH! Phenomenal Testing & Sounding Siemens Long-Plate 12AX7/ECC83 Low-Noise NOS Audio tube, rare painted-glass bottom mC5 codes, made for audio! This version offers smooth highs, lots of open air, excellent realistic bass response, smooth extended midrange for audio applications, or for the guitarist get for that deep world renoun tone with high performance. Philips HOLLAND 1950's Audio tubes typically have better section balance and lower noise and microphonics than run of the mill 12AX7 or ECC83.
mC5 codes on both tubes!
LONG PLATES
FOIL-GETTERS (is a "D" getter with a FLAT-FOIL Plate)
average 1,400/1,400 GM / uMhos! WOW!
Box displayed INCLUDED in sale!
RARE MIRROR-MATCHED TRIODES! VERY RARE TO FIND!
AMPLITREX AT1000 PRECISION TESTED
19mm LONG-PLATE
The longest plate length ever made
LAST REMAINING REAL NOS SURVIVORS
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