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I have here 4 Sovtek 12AX7LP ECC83 valves and 6 Teslovac 12AX7 E83CCS valves. Most, possibly all, are unused. All come from a set of spare valves supplied by Aesthetic 25 or so years ago and never used. I am unable to test or match them so no warranty is given as to condition or use. I will refund any complete duds. Available as a job lot but willing to sell in pairs, or multiples thereof. but not singles. Make me an offer. Postage not included in the price. Buyers to reimburse PayPal fees. Bank transfers welcome.
This is an ambitious ask, because £200 sits right at the top of your recent comparable set and well above the £64 median and £27 lower quartile. Against those 5 GBP listings, it’s not a bargain; it’s priced at the premium end, so I’d only call it good value if this pair has a strong test result, matched sections, or clearly standout provenance.
What makes it worth considering is the reputation of this family of small-signal valves: buyers usually want them for a touch more warmth, texture, and musicality in a phono stage or preamp, and good examples can be genuinely satisfying in the right circuit. The “excellent” condition helps, but at this level I’d want confidence on test readings and low noise before paying up, because the upside here is in sound quality and matching rather than collectability alone.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Sovtek emerged in 1988 under the vision of Mike Matthews, the American innovator behind Electro-Harmonix effects pedals and a former Jimi Hendrix promoter. Leveraging his connections in Soviet electronics, Matthews established the brand to tap into Russia's military-grade manufacturing, particularly vacuum tube production in Saratov factories. The company's debut product, the MIG-50 amplifier released in 1991, was designed by New York amp builder Tony Bruno and assembled in former Soviet military facilities, marking a bold fusion of Western design and Eastern engineering amid the USSR's collapse.
Sovtek focused primarily on guitar amplifiers and vacuum tubes, such as the rugged 5881 (originally 6P3S-E for military aircraft and vehicles), prized for their durability and tone. Early offerings like the MIG-50 50-watt head embodied this niche, incorporating abundant military-spec components for reliable high-gain performance. While not venturing into speakers, turntables, DACs, headphones, or cables, Sovtek's tube lineup briefly extended to replacements for hi-fi and guitar applications.
Today, Sovtek holds vintage-collector status in the guitar amp market, celebrated for its quirky Cold War heritage and sought-after Soviet tubes, though production ceased years ago due to manufacturing challenges. Discontinued amps command premium prices among tone chasers, positioning the brand as a cult niche rather than active high-end or mid-tier contender. Knowledgeable buyers value its historical edge, but obscurity limits widespread availability.
See all Sovtek listings on RADAR.
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