Unison Research Triode 25 Tube Integrated Amplifier (Open Box)
Pickup currently unavailable at The Listening Room's Storage
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Third-generation owner
Call or text: 410-239-2020Yes, that's literally his cell
Family-Owned Authorized Dealer
Family-Owned Authorized Dealer
We're an authorized dealer for every brand listed on this site, so your warranty is valid and fully supported. We're a real brick-and-mortar shop in Chestertown, MD with shelves of actual inventory, not a drop-shipper. Family-owned and run for three generations, since 1978.
Delivery and Shipping
Delivery and Shipping
Free shipping for most items over $100! Local delivery up to 500 miles more with minimum qualifying purchase.
See our shipping policies for details. We will contact you after your order.
Open Box | Cherry Only
The Unison Research Triode 25 is an EL34-based tube integrated amplifier designed to deliver the warmth, richness, and musicality that only a true Class A/B valve amplifier can provide. Featuring switchable ultralinear and triode modes, the Triode 25 offers 45W per channel in ultralinear mode and 25W per channel in triode mode, allowing you to tailor its performance to your speakers and preferences. With built-in bias monitoring, a solid-state power supply for stability, and a beautifully crafted Italian chassis, this amplifier is both a sonic and aesthetic masterpiece.
For full specs and details, check out the standard Unison Research Triode 25 listing.
Open-box availability is extremely limited—once they’re gone, they’re gone!
