{"product_id":"28mm-solid-aluminum-volume-knob-audio-amplifier-potentiometer-silver","title":"28mm Solid Aluminum Volume Knob for Audio Amplifier – Silver","description":"\n\u003ch2\u003e28mm Solid Aluminum Alloy Volume Knob for Audio Amplifiers \u0026amp; Hi-Fi Systems\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio equipment with this premium \u003cstrong\u003e28×28mm solid pure aluminum alloy volume knob\u003c\/strong\u003e. Precision CNC-machined and finished with a professional sandblasting and anodizing treatment, this potentiometer knob delivers a satisfying, tactile feel with a sleek, modern aesthetic — perfect for hi-fi amplifiers, tone control boards, preamps, and DIY audio projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolid Aluminum Construction:\u003c\/strong\u003e Pure aluminum alloy body for a substantial, premium feel and long-lasting durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC Precision Machined:\u003c\/strong\u003e Tight tolerances ensure a secure, wobble-free fit on your potentiometer shaft.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSandblasted \u0026amp; Anodized Finish:\u003c\/strong\u003e Provides a refined matte surface that resists fingerprints and corrosion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop-Side Screw Fastening:\u003c\/strong\u003e Easy to install and remove — no special tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Diameter 28mm × Height 28mm; Shank thickness 5mm; Potentiometer aperture 6mm.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Fits standard 6mm potentiometer shafts used in most audio amplifiers, mixers, preamps, and electronic hobby projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in Silver \u0026amp; Black:\u003c\/strong\u003e Choose the finish that best matches your build or chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003cth style=\"text-align:left; padding:8px; border:1px solid #ddd;\"\u003eSpec\u003c\/th\u003e\n    \u003cth style=\"text-align:left; padding:8px; border:1px solid #ddd;\"\u003eDetail\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMaterial\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSolid Aluminum Alloy\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDiameter\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e28mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eHeight\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e28mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eShank Diameter\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e5mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePotentiometer Aperture\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e6mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSurface Treatment\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSandblasting + Anodizing\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eFastening Method\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eTop screw (side fastening)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eColor Options\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSilver \/ Black\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCountry of Origin\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Aluminum Alloy Volume Knob (28×28mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Minor color variation may occur due to screen settings and lighting. Dimensional tolerance is ±1–3mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHi-Fi audio amplifiers \u0026amp; preamplifiers\u003c\/li\u003e\n  \u003cli\u003eTone control and equalizer boards\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and audio builds\u003c\/li\u003e\n  \u003cli\u003eMixers, receivers, and home theater equipment\u003c\/li\u003e\n  \u003cli\u003eTurntables and vintage audio restoration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on electronics standards and components, visit the \u003ca href=\"https:\/\/www.nist.gov\/topics\/electronics\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST) Electronics Resources\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What potentiometer shaft size does this aluminum volume knob fit?\u003c\/h4\u003e\n\u003cp\u003eA: This solid aluminum alloy volume knob is designed to fit a standard \u003cstrong\u003e6mm potentiometer aperture\u003c\/strong\u003e, which is the most common shaft size used in audio amplifiers, preamps, tone control boards, and DIY electronic projects. The side set-screw fastening ensures a secure grip on 6mm shafts.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this knob compatible with both D-shaft and round-shaft potentiometers?\u003c\/h4\u003e\n\u003cp\u003eA: This knob uses a set-screw (grub screw) fastening mechanism rather than a D-shaft press-fit, so it is compatible with \u003cstrong\u003eboth round-shaft and D-shaft potentiometers\u003c\/strong\u003e as long as the shaft diameter is 6mm. Simply tighten the side screw to lock it firmly in place.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What makes the anodized finish better than a painted finish for an audio knob?\u003c\/h4\u003e\n\u003cp\u003eA: Anodizing is an electrochemical process that creates a hard, integrated oxide layer on the aluminum surface — making it \u003cstrong\u003efar more durable, scratch-resistant, and corrosion-resistant\u003c\/strong\u003e than paint. It also provides a premium matte look that won't chip or peel over time, keeping your audio equipment looking sharp even with regular use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this knob for a tone control or bass\/treble potentiometer on an amplifier?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This 28×28mm aluminum knob is perfectly suited for \u003cstrong\u003evolume, tone, bass, treble, and balance controls\u003c\/strong\u003e on any audio amplifier or preamp that uses a standard 6mm shaft potentiometer. Its solid build and tactile grip make it a great upgrade for any hi-fi audio project.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What potentiometer shaft size does this aluminum volume knob fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This solid aluminum alloy volume knob is designed to fit a standard 6mm potentiometer aperture, which is the most common shaft size used in audio amplifiers, preamps, tone control boards, and DIY electronic projects. The side set-screw fastening ensures a secure grip on 6mm shafts.\"}}, {\"@type\": \"Question\", \"name\": \"Is this knob compatible with both D-shaft and round-shaft potentiometers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This knob uses a set-screw (grub screw) fastening mechanism rather than a D-shaft press-fit, so it is compatible with both round-shaft and D-shaft potentiometers as long as the shaft diameter is 6mm. Simply tighten the side screw to lock it firmly in place.\"}}, {\"@type\": \"Question\", \"name\": \"What makes the anodized finish better than a painted finish for an audio knob?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Anodizing is an electrochemical process that creates a hard, integrated oxide layer on the aluminum surface — making it far more durable, scratch-resistant, and corrosion-resistant than paint. It also provides a premium matte look that won't chip or peel over time, keeping your audio equipment looking sharp even with regular use.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this knob for a tone control or bass\/treble potentiometer on an amplifier?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. This 28×28mm aluminum knob is perfectly suited for volume, tone, bass, treble, and balance controls on any audio amplifier or preamp that uses a standard 6mm shaft potentiometer. Its solid build and tactile grip make it a great upgrade for any hi-fi audio project.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"28mm Solid Aluminum Volume Knob for Audio Amplifier – Silver\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/28mm-solid-aluminum-volume-knob-audio-amplifier-potentiometer-silver\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"Silver","offer_id":48753258430656,"sku":"14:350853#Silver","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/Sf05112c607ae4f6daaa7d0fd3296fd0fy.webp?v=1786277438","url":"https:\/\/vueselect.com\/products\/28mm-solid-aluminum-volume-knob-audio-amplifier-potentiometer-silver","provider":"Vue","version":"1.0","type":"link"}