{"product_id":"hrk-us-pentode-colour-module-synthesizer-excellent","title":"HRK US Pentode - Colour Module – Synthesizer - Excellent","description":"\u003ch1\u003eHRK US Pentode - Colour Module – Synthesizer - Excellent\u003c\/h1\u003e\n\n\u003ch2\u003eWhy This One\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eExcellent condition — light signs of use, no obvious issues\u003c\/li\u003e\n  \u003cli\u003ePentode-inspired Colour module brings analog harmonic character to modular systems.\u003c\/li\u003e\n  \u003cli\u003eA compact way to add tube-style coloration without a dedicated outboard unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCondition: Excellent\u003c\/h2\u003e\n\n\u003cp\u003eThis HRK US Pentode is an excellent-condition colour module – synthesizer. This unit has not been functionally tested by our team. Please review all photos carefully, as they provide an accurate representation of the cosmetic condition of the product.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHRK US Pentode\u003c\/li\u003e\n  \u003cli\u003eNo additional accessories included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout This Model\u003c\/h2\u003e\n\u003cp\u003eThe HRK US Pentode is a Colour module designed for use in modular synthesizer systems. Colour modules are passive or semi-passive format inserts that shape the tonal character of audio passing through them, typically introducing harmonic coloration, saturation, or filtering characteristics drawn from classic circuit topologies — in this case, a pentode valve-inspired design. The US Pentode format places this kind of analog harmonic processing directly into a modular signal chain, making it a useful tool for adding warmth, grit, or vintage tube-style texture to synthesizer voices or other audio sources.\u003c\/p\u003e\n\n\u003cp\u003eA great opportunity to own a HRK US Pentode at this price point.\u003c\/p\u003e","brand":"HRK","offers":[{"title":"Default Title","offer_id":53742849130833,"sku":"LIT-1-B-3-3-6-biguovjg","price":75.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/6913\/0833\/files\/67f0aac4-5bcd-4259-b47b-5102cb3df058.jpg?v=1778488496","url":"https:\/\/www.audiotrader.co.uk\/products\/hrk-us-pentode-colour-module-synthesizer-excellent","provider":"Audio Trader","version":"1.0","type":"link"}