Helios Type 69 3-Band EQ PCBs - Ian Thompson-Bell DIY Unpopulated Stereo Pair (Mint) is a used item in excellent condition, listed on Reverb. The asking price is £56. It is offered by Gear4Gear through Reverb. It is in our Accessories & Parts category. Used Gear Hunter first saw this listing on 28 September 2026 and last saw it on 9 November 2026. It has been seen 32 times in our scans. Prices are converted from the seller's currency when we scan the listing, so the amount you pay may differ slightly. The seller sets shipping, and import duty or VAT may apply, so check the final cost and the item's details on Reverb before buying.

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Note for Builders: This listing includes the matching stereo pair of 3-band EQ PCBs only. Best suited for an experienced builder looking for replacement boards or someone capable of sourcing/building the legacy custom support power rails. Condition: Mint / Pristine (New, Unpopulated PCBs) Up for sale is a rare, out-of-print matching stereo pair of unpopulated 3-Band Helios Type 69 EQ Circuit Boards designed by legendary boutique audio engineer Ian Thompson-Bell (Ruff Records / Custom Tube Consoles). The Helios Type 69 Legacy: Original vintage Helios consoles are legendary artifacts of rock history, used to track iconic albums by Led Zeppelin, Jimi Hendrix, and the Rolling Stones. These PCBs feature Ian's premium, layout-optimized design engineered to reproduce that exact musical, punchy, and forward inductor-based midrange characteristics. Board Specifications & Layout Features: Design Version: Ian Thompson-Bell 3-Band Helios 69 EQ Evolution Quantity: 2x Matching Boards (Perfect for a dedicated Stereo Pair configuration) Controls Supported: Independent High, Mid, and Low rotary switch/potentiometer networks Form Factor Constraints: Laid out precisely to utilize standard, high-reliability Greyhill rotary switches and components Build Support: Full schematics, component bills of materials (BOM), and interactive community build logs are actively hosted and supported by the DIY audio community on the GroupDIY forums Condition Note: Both boards are in 100% pristine, showroom condition. The trace layers are perfect, there is zero edge-chipping, and the silkscreen labeling is completely crisp and readable. Kept strictly in anti-static storage sleeves inside a smoke-free, climate-controlled facility. Please review all high-resolution macro photos showing the immaculate condition of the boards before purchasing. Sold "As-Described" with no returns due to the boutique, DIY nature of electronics project boards. Shipped fast and securely packed with full tracking.

Helios Type 69 3-Band EQ PCBs - Ian Thompson-Bell DIY Unpopulated Stereo Pair (Mint)

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