Unison Research S6 Black Edition (Open Box)
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Delivery and Shipping
Delivery and Shipping
Free shipping for most items over $100! Local delivery up to 500 miles more with minimum qualifying purchase.
Items not in stock may take 5-8 weeks depending on the manufacturer build time. See our shipping policies for details. We will contact you after your order.
The Unison Research S6 Black Edition brings a bold new aesthetic to a revered tube amplifier design, delivering the warmth and musicality that made the original a standout. Featuring six EL34 tubes in a parallel single-ended configuration, the S6 produces 30W per channel of rich, harmonically dense sound with the natural midrange that tube lovers crave. The upgraded Black Edition boasts refinements in internal components and a striking matte black finish, offering both sonic and visual sophistication.
For full specs and details, check out the standard Unison Research S6 Black Edition listing here.
Open-box availability is extremely limited—once they’re gone, they’re gone!
