Tube Museum New York

We are IMPRESSED that other sellers are publishing our Top 5 sonic-comments as their own on their website!

The Best Sounding CCa=6922 ever made TOP 5:

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1) PRE-1960's Siemens Halske "DISC" Getters with "Gray-Plates". visibìlium òmnium Most of the internet seller's haven't even SEEN and is unseen these early 1959 "disc" Getter Siemens Halske CCa / E88CC. "THE FIRST SIEMENS E88CC "THE "ALPHA" SIEMENS FIRST-GENERATION FROM 1958" with SOLID-HALO-GETTERS"..."IF THE EARLY SIEMENS 1960'S ARE THE "HOLY-GRAIL" THEN THESE 1958's ARE THE"ELIXIR OF SONIC IMMORTALITY" to hear the Seven Sonic Heavens of the audio Universe"...- Tube Museum Review 2013

2) CCa Siemens & Halske "U" getter halo and 1960's "O" getter halo "Rarest and most sought after CCa, has "gray shield" between plates, Most realistic sounding holographic soundstage, pure seductive sonic joy, complex symphonic images emerge effortlessly"

3) CCa Telefunken West Germany 1960's "excellent neutral holographic soundstage, vast vocabulary of tone establishes remarkable layers of harmonics, very rare"

4) CCa Siemens & Halske A-FRAME construction late 1960's - early 1970's "beautiful open air holographic images, low microphonic tube construction, rare"

5) CCa LORENZ West Germany early 1960's "beautiful open air holographic images, very rare"

6) CCa VALVO Heerlen Holland 1960's "real sonic holography, extremely rare"

7) CCa Siemens Rohre A-Frame early 1973-1974

1958 was the year "1958 Miles" album by MILES DAVIS was released. 58' Vintage Siemens Halske "Telefunken Logo" painted on glass "od" & "qa" both 1958 codes. These series pre-date the acid-codes. These are HOLY tubes, Holy-Grails of the 6922 family.

Historic TubeMuseum, Tuxedo Park, New York Established in 1928 as a premier research facility in Tuxedo Park, New York, that attracted such brilliant and most visionary minds of the twentieth century - Albert Einstein, Werner Heisenberg, James Franck, Niels Bohr and Enrico Fermi to name a few. The Tuxedo Park lab attracted these top-flight scientists who experimented with audio, sound, time measurement, and radar waves.

ATTENTION : EXTREMELY RARE 1958 TUBES AHEAD! "THE FIRST SIEMENS E88CC "THE "ALPHA" SIEMENS FIRST-GENERATION FROM 1958" with SOLID-HALO-GETTERS"..."IF THE EARLY SIEMENS 1960'S ARE THE "HOLY-GRAIL" THEN THESE 1958's ARE THE "ELIXIR OF SONIC IMMORTALITY" to hear the Seven Sonic Heavens of the audio Universe"...- Tube Museum Review

Selected for Uniquely Matched Plate-Resistance (Rp) & Tube-Gain (Mu)!

These Beautiful Siemens tubes are out-of-production and were Made in Germany in 1958. Siemens E88CC are drop in replacements for all 6922/ECC88/6DJ8/E88CC/7308/CCa

1958 Factory Telefunken date painted-codes on back of tubes

SIEMENS W.GERMANY

TESTED TUBE MUSEUM QUALITY

E88CC = 6922 = CCa

Telefunken Branded "E88CC HOLY-GRAIL" 1958 6922 MATCHED PAIR

1958 PAINTED SERIAL NUMBERS "od" and "qa" (example)

FIRST-GENERATION "SOLID GETTERS" ..." I can confirm that the Bass response on these early 1958' Siemens E88CC with the "disk" getter is one octave lower than my 1963 Siemens E88CC on my D&W Aural Pleasure Phosphor Bronze, the walls are resonating, my bones are transformed into musical instruments, literally!...

55 YEAR-OLD SIEMENS & HALSKE EARLY "GRAY-PLATES"

SIEMENS E88CC 6922 GRAY-SHIELD EARLY 1958 HOLY-GRAIL MATCHED PLATINUM LOW-NOISE PAIR - RATED "BEST SOUNDING" # 6922 / E88CC / CCa EVER MADE branded for Telefunken in 1958

These have the Telefunken "2-digit" date code on the back branded by Telefunken. These are made by Siemens Halske Munich and do not have the diamond because they are not made by Telefunken. They were made FOR Telefunken BEFORE Telefunken got into the 6922 market!

PLATINUM LOW-NOISE CONSTRUCTION - BEAUTIFUL GOLD-PINS

SIEMENS E88CC 6922 GRAY-SHIELD EARLY 1958 FIRST-GENERATION HOLY-GRAIL MATCHED PLATINUM LOW-NOISE PAIR - RATED "BEST SOUNDING" # 1 6922 EVER MADE

These have the solid-getter-plate-ring HAND WELDED to the upper stage and EARLY-GRAY-PLATE Frame-Grid design 1958 Vintage with Siemens Halske painted on glass front-codes.These series pre-date the acid-codes.

TESTS NOS comes with Authentic TELEFUNKEN replacement boxes, tubes with gray-plates in the pictures.

PRE-ACID CODES: THE ACID-CODES ARE NOT IN THE GLASS in THESE EARLY VERSIONS ( and of course NOT stamped on tags) THESE PRE-DATE ACID-CODES and the codes were "painted" on the front of the glass.

Mostly unheard-of Rarely seen Siemens Halske Munich West German FIRST-GENERATION 6922 with WELDED solid-getters From the Tubemuseum Vaults - A REAL Archeological find ...

1958 Siemens Halske with VERY RARE "SOLID" Getters with Gray Electro-Static Shield-Plates E88CC. "Rarest and most sought after 6922, has "gray shield" between plates, Most realistic sounding holographic soundstage, pure seductive sonic joy, complex symphonic images emerge effortlessly" - quote from the tubemuseum review.

Audiophiles vote these as the best-sounding Frame-Grid Construction 6922 - even better sounding than Telefunken made ones! These tubes are known for excellent performance, smooth highs, inner detail and overall resolution and balanced sound.

Revered by many as one of the MOST DESIRABLE E88CC / 6922 - the HOLY-GRAIL of the E88CC family and the MOST DESIRABLE 6922. CERTIFIED ULTRA-LOW-NOISE PHONO-GRADE SPECIMENS -

Manufactured in Munich Germany almost half a century ago! Low Noise early 1958 Siemens & Halske CCa = 6922 - THE BEST! Display the matching "painted on glass" early version codes: "od" and "qa" = 1958

Price is for a Balanced Matched Platinum low-noise pair.

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PAIR # 1: (SOLD!)

17,400/16,900 mA/V GM and 16,190/15,410 mA/V GM

1958 PAINTED SERIAL NUMBERS "od"- #624 top code and "qa" #485 top code

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PAIR # 2: (SOLD!)

15,800/16,020 mA/V GM and 14,900/14,800 mA/V GM

1958 PAINTED SERIAL NUMBERS "od' - #624 top code and "od' - #008 top code

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PAIR # 3: (SOLD!)

14,250/14,600 mA/V GM and 13,410/15,080 mA/V GM

1958 PAINTED SERIAL NUMBERS #625 top code and "od' - #806 top code

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No Gas, and zero (0) uA heater-to Cathode (H-to-K) zero leaks

Fixed Bias Readings tested @ 90 eP % (just like a Hickok) of the Balanced Matched, Platinum Low Noise "Best Quality" Siemens E88CC/6922

This tube is known for excellent performance, smooth highs, outstanding 3-D holographic soundstage, lots of open-air, inner detail, and overall perfect resolution and balanced sound. Improved dynamics, frequency extension accross the spectrum are immediately obvious, making the music sound much more accurate and real. A major improvement over other E88CC / 6922's

Make sure you are buying Real Siemens Halske E88CC / 6922 tubes - They have the double-stage getter frame-grid construction, Gray separator or Gray Electro-static shield, 4 seams on top and numbers in the glass between the pins.

"...If you haven't yet experienced 15mA+ (100% mA+) per triode 6922'S you don't know what you have been missing. Instruments seem to come out of the wood-work, you hear harmonies, musical energy & subtle Nuances which you haven't heard before, and without these you may never hear them ..."

Tested on the State-of-the-Art AMPLITREX AT-1000 Electron Tube Test System - AMPLITREX PLATE-CURVE CHARACTERISTICS

Tested on Amplitrex AT1000 DIGITAL ELECTRON TUBE TEST SYSTEM

This is a rare audio tube in this Quality Tested electrical condition, and Guaranteed or we will replace the tube

CERTIFIED ULTRA-LOW-NOISE SPECIMENS TubeMuseum tested tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be.

"...the proof of the (sonic) pudding!..."

Etymology sites say that the phrase originated as "the proof of the pudding is in the eating." It means that the true value or quality of something can only be judged when it's put to use. The meaning is often summed up as "results are what count."

You wouldn't eat anything without knowing the full ingredients would you? Then don't let your precious preamp or your ears eat any tubes without knowing Measurements tested @ 100eP % of the Balanced Matched, Platinum Low Noise "Best Quality" Siemens E88CC/6922 CERTIFIED ULTRA-LOW NOISE PLATINUM-GRADE TUBES

In addition, all TubeMuseum tubes have been carefully NOISE TESTED: No Noise has been detected in all tubes, very important.