Manufacturer and factory: ELEKTRONSKA INDUSTRIJA
Year of production: 1980's
Structure's features: LONG SMOOTH PLATE, ring getter
Rating : 1
Original package : yes
Who proposes it on the web claims that this 83 is identical to the almost unattainable ECC83 Telefunken Smooth Plate.
In fact, when the Berlin factory stopped producing tubes, the original machinery was sold to Yugoslavian ELEKTRONSKA INDUSTRIJA, which continued to produce as well as itself for Telefunken, Siemens, AEG, Philips and probably other minor brands.
The internal structure compared to the Telefunken of the 60s in fact differs for very few minor details and when i tested on two different preamps the impression is that it behaves sonically in an almost identical way, it remains a slight one, but we really speak of nuance, greater softness on the extreme sharp, so from direct experience I can not help but recommend this EI which sounds 95% as a Telefunken but costs less than half.
This couple had the SIEMENS brand
PRICE FOR PAIR IN PERFECT MATCHING 5% BETWEEN FOUR SECTIONS
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