ECC88, E88CC, 6DJ8, CV2492, CV2493, CCa, 6922, 7308, PCC88, 7DJ8, SMALL SIGNAL, B9A

The ECC88, 6DJ8, CV 2492 are high performance valves that have passed rigorous military specification tests regarding ruggedness, heat and shock resistance, and heater longevity. Like their civilian/industrial counterparts, they have the four moulded seams on the top, heavily plated gold pins, a halo top getter with a sputter shield below which gives rigidity and lower microphonics.

There is also the 7V 300mA heater version of the ECC88, designed for RF usage, the PCC88 or 7DJ8.

Mullard describe the E88CC as being for use in cascode circuits and as a multivibrator and cathode follower in computers. The special quality in this case referred to its long service life and not, as normal, to its being a ruggedised version. The ECC88 and the special quality gold pinned variants find use in many pre amplifiers and a surprising range of exotica use them.

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ECC88, ZAERIX, RFT 1970'S MANUFACTURE NOS BOXED, 6DJ8

E88CC, VALVO BADGED, PHILIPS MINIWATT, , HEERLEN FEBRUARY 1968 PRODUCTION

E88CC, VALVO BADGED, PHILIPS MINIWATT, WHITE PRINT FACTORY CODE, 7L9 A8B4 , HEERLEN FEBRUARY 1968 PRODUCTION

CV2492, MIL SPEC E88CC, MULLARD, GOLD PIN , WHITE PRINT, MITCHAM MAY 1967 MANUFACTURE, E88CC

CV2492, MIL SPEC E88CC, MULLARD, GOLD PIN , WHITE PRINT, MITCHAM MARCH 1963 MANUFACTURE, E88CC

PCC88, TUNGSRAM, 7DJ8, NEW BOXED, PLAIN WHITE PRINT, 1960S MANUFACTURE,

PCC88, MULLARD, 7DJ8, NEW BOXED, PLAIN WHITE PRINT, Dj1 B1G, BLACKBURN 1961 MANUFACTURE,

6922, CVC ECC88, RFT MANUFACTURE

ECC88, RFT, WHITE GENERIC PRINT, IK DATE CODE

CV5358, MULLARD, MIL SPEC ECC88, 6DJ8, , WHITE PRINT, BLACKBURN FEBRUARY 1968 MANUFACTURE, 6A2 B8B4

CV5358, MULLARD, MIL SPEC ECC88, 6DJ8, , WHITE PRINT, HERLEEN 1972 MANUFACTURE A2G4

ECC88, MULLARD, 6DJ8, HERLEEN, Ga7 A2F3, JUNE 1963 MANUFACTURE

ECC88, BRIMAR, 6DJ8, WHITE PRINT

PCC189, ULTRON, NIB, 7ES8, POTENTIAL ECC88 SUBSTITUTE

EC86, TELEFUNKEN, 6CM4, NOS

EC88, TELEFUNKEN, 6DL4, NOS

EC88, SIEMENS, 6DL4, NOS

EC88, VALVO, 6DL4, NOS

ECC88, HEWLETT PACKARD BADGED AMPEREX, FAINT WHITE PRINT, FACTORY CODE, GA7 A2F3 HEERLEN 1962 PRODUCTION

ECC88, HEWLETT PACKARD BADGED AMPEREX, WHITE PRINT, JULY 1961 DATE CODE