I have 4 Tung-Sol EL-34B tubes for sale with very low hours. I used them for one month before changing to Mullards. They were purchased new from Upscale Audio and were matched, tested for leakage, plus noise-tested. Test results are marked on the boxes (see photos).Gm is matched within 10% across all four tubes.
Price when new... $28.95 each, $115.80 quad. USPS Priority shipping - $8.00,
No returns
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