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5687 Tung-Sol (Selected for Phono Use). The Original, Developed & Patented by Tung-Sol – Vintage Tube Services
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5687, Tube 5687; Röhre 5687 ID20809, Double Triode | Radiomuseum.org
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![NOS Raytheon USA JRP-5687 Black Plate Top [] GET Tall Bottle Vacuum Tube 100%+ | Reverb Italia](https://images.reverb.com/image/upload/s--xWaQ3DWG--/a_exif,c_limit,e_unsharp_mask:80,f_auto,fl_progressive,g_south,h_620,q_90,w_620/v1444413412/iixaoyg1ntnnuvru0nf7.jpg "NOS Raytheon USA JRP-5687 Black Plate Top [] GET Tall Bottle Vacuum Tube 100%+ | Reverb Italia")
NOS Raytheon USA JRP-5687 Black Plate Top [] GET Tall Bottle Vacuum Tube 100%+ | Reverb Italia
5687 @ The Valve Museum
Best 5687 Tubes - ACA
DIY 5687 Vacuum Tube Hi-Fi Preamplifier (LED Biased)
5687 GE JAN NOS E182CC 7044. Laboratorio Musicale
5687 TUBE. CEI BRAND TUBE. NOS/NIB. CRYOTREATED. CH17V33F280815. | eBay
TUNG-SOL 5687 Tube vintage N.O.S (New Old Stock) - Audiophonics
Tube Preamplifier 5687 Led Biased under Repository-circuits -36601- : Next.gr
5687 (aka CV2578) NOS/USA double triode
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5687 Aikido & Single PS Circlotron
