Matching Tolerance: Perfectly Matched Mutual Conductance. Scope of Match: Matched both between the tubesand between individual triode sections. These are not “bulk” tubes.
Item Tag: JTL-5687
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1960 Tung Sol JTL-5687 Closely Matched Tubes, #2
Matching Tolerance: Closely Matched Mutual Conductance. These are not “bulk” tubes. Scope of Match: Matched both between the tubesand between individual triode sections.