1964 LARGE "O" GETTERS
GRAY ELECTROSTATIC PLATES
MATCHING VR9 Δ4D3 & VR9 Δ4D3 CODES
1964 HEERLEN HOLLAND FACTORY
…"REAL E188CC = 7308 "CLASSIC ECHELON QUALITY" HOLLAND-CODES PRODUCTION E188CC MATCHED BELONGING TO THE HIGHEST-RANK OF 7308's"...
NOS 1964 LOW-NOISE E188CC "VALVO HOLLAND" = SPECIAL QUALITY GOLD PIN 7308 = E188CC. Everyone wants the VALVO PHILIPS "O" Getter 1960's tube and wants to know the REAL specifications.
With The Tube Museum's AMPLITREX DIGITAL PROOF you can be sure your getting it! TubeMuseum Tested Tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be!
BID 1 FOR THE Phenomenal Balanced & Matched Pair
VR9 Δ 4D3 and VR9 Δ 4D3 matching codes
Both tubes are "O" getter tubes with the VR9 having a "O" Getter BID 1 FOR THE MATCHED PAIR! VALVO PHILIPS low-noise frame-grid inner-construction and NOS TUBE MUSEUM QUALITY
1960's PHILIPS VALVO THE PERFECT E188CC PAIR
ACTUAL Rare NOS tubes w/ GRAY electrostatic shielded gray-plates as shown in above picture
Made in HOLLAND - The REAL "HOLY-GRAIL" and the most sought after second to "D" Getter pinched-waist
BEST GREY PLATE
FRAME-GRID DESIGN
Huge "O" Getter Rings
Phenomenal Testing & Sounding E188CC = 7308 (6922 E88CC 6DJ8 sub) Low-Noise Tubes 1960's Audio tubes made for audio! The " VR9" VALVO "O" GETTER RING version offers smooth highs, lots of open air, excellent realistic bass response and world renown highly recommended. Amperex 7308 Audio tubes typically have better section balance and lower noise and microphonics than run of the mill 6922 or E88CC. WITH VALVO Holland Boxes, Best Quality AMPLITREX DIGITALLY TESTED Vintage rarely-seen NOS select audio tubes with ZERO (0) mA Gas ! We see other tubes around with too high mA Gas! Stay away from anything higher than 0.1 to 0.2 mA Gas! ( 6mA Gas, 7Ma Gas, 8.0mA Gas = the tube is noisy and will NEVER achieve it's correct operating point!) CHOOSE WISELY and ONLY buy TUBEMUSEUM low-noise tubes!
PHILIPS / VALVO mfg. at Heerlen Holland. They don't make tubes as good as these anymore! These tubes were made in Heerlen, Holland identified by the delta
Δ tube identification symbol of Heerlen, Holland
All are pictures of the Actual tubes- notice the clean nipples with mirror-like shine - no dark deposits means never-used in an amp - not ever!
LOW-NOISE DIGITALLY TESTED!
Very Strong and QUIET!
All tubes 1960's vintage date coded
ACTUAL PICTURE of TUBES, These tubes measures like they should - NEW!
The GM spec is 12.50 mA/V or uMhos. The "MADE IN HOLLAND" version offers smooth highs, lots of open air, excellent realistic bass response
1950's Rare NOS PHILIPS VALVO BRANDED gray electrostatic shielded gray-plates and gold-pins
BE WISE - ONLY PURCHASE LOW-NOISE TUBEMUSEUM Tubes
Ask us to help you find out more about noise and how it plays a part in degradation of real true to life sound reproduction in your system.
