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Telefunken < > Diamond CV492 Smooth Platinum BWB Tube

Telefunken < > Diamond CV492 Platinum "BWB" tube
Siemens Halske ECC83 12AX7 "LONG PLATES" mC6 NOS MATCHED PAIR 1959
email for availability

Siemens & Halske ECC83  

Characteristics:

- long plates

- double getter support

Considered the HOLY-GRAIL of the Siemens & Halske Munich West Germany tubes. This is the rerest "Long-Plate" 2-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 West German Long Plates!
Rare. Great. Made only from from 1959 to 1960.

TUBE 1: code: mC6 =/= 9I
TUBE 2: code: mC6 =/= 9J

Perfect Specifications with high mA & Gm:
Factory Spec is 1.2mA & 1,60mA/V (1,600 per triode)

Tests: 1.5mA/1.4mA (116% to 125%) and 1,98mA/V (1,910/1,900) 1.90mA/V (118 to 123) WOW!
Phenomenal Valvo or Siemens Halske ECC83 12AX7 "LONG PLATES" 1950's "D-FOIL-GETTER" NOS SINGLE TUBE OR PAIR!

Siemens Halske ECC83 12AX7 "LONG PLATES" 1950's "D-FOIL-GETTER" NOS
NOS GE USA JAN 12AX7 MILITARY 12AX7WA ECC803S NOS DIGITAL BALANCED PERFECT TRIO
NOS GE USA JAN 12AX7 MILITARY 12AX7WA ECC803S NOS DIGITAL BALANCED PERFECT TRIO

NOS GE USA JAN 12AX7 MILITARY 12AX7WA ECC803S NOS DIGITAL BALANCED PERFECT TRIO
1967 NOS GE USA JAN 12AX7 WA 7025 MILITARY ECC803S DIGITAL BALANCED PERFECT TRIO
1967 NOS GE USA JAN 12AX7 WA 7025 MILITARY ECC803S DIGITAL BALANCED PERFECT TRIO

1967 NOS GE USA JAN 12AX7 MILITARY 12AX7WA ECC803S NOS DIGITAL BALANCED PERFECT TRIO
Telefunken < > Diamond ECC83 / 12AX7 Smooth Platinum Low Noise Tube

Telefunken < > Diamond ECC83 / 12AX7 Smooth Platinum Tube
TELEFUNKEN ECC803S MATCHED PAIR

ECC803S RARE GOLD-PINS made by Telefunken ECC803S Matched Pair
NOS 1950's Telefunken EF86 6267 DIAMOND Military BWB Bundesamt "DOME-TOP" TUBES

NOS 1950's Telefunken EF86 6267 DIAMOND Military BWB Bundesamt "DOME-TOP" TUBES
SIEMENS HALSKE ECC83 12AX7 BALANCED MATCHED LOW NOISE PAIR TUBES 2-GETTER RODS
SIEMENS ≠ HALSKE ECC83 12AX7 BALANCED MATCHED LOW NOISE PAIR TUBES 2-GETTER RODS

SIEMENS HALSKE ECC83 12AX7 BALANCED MATCHED LOW NOISE PAIR TUBES 2-GETTER RODS
RCA 6072 (12AY7) TUBES for Fender Amps

NOS RCA 6072 (12AY7 12AX7 ECC83) TUBES for Fender 5F6A