{"product_id":"koch-ctse12-c112","title":"Koch CTSE12\/C112 Classictone SE Guitar Amplifier – 12W Class A Combo, 12” Speaker \u0026amp; Recording Out ","description":"\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:1436c29e-083f-463b-82e1-d2a595e3025e-31\" data-testid=\"conversation-turn-64\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\n\u003cdiv class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3463a4e6-530f-4ecf-b801-38273a5b080a\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-5\" data-message-model-slug=\"gpt-4o\"\u003e\n\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\n \u003cp data-start=\"114\" data-end=\"711\"\u003eThe \u003cstrong data-start=\"144\" data-end=\"179\"\u003eKoch CTSE12\/C112 Classictone SE\u003c\/strong\u003e is a 100% \u003cstrong data-start=\"192\" data-end=\"228\"\u003eClass A single-ended tube combo\u003c\/strong\u003e with a pure and dynamic character, specially designed for the guitarist who appreciates simplicity, richness of sound, and response. This \u003cstrong data-start=\"354\" data-end=\"378\" data-is-only-node=\"\"\u003e12W tube amplifier\u003c\/strong\u003e uses only one power tube and as few components as possible, allowing the sound to be colored entirely by the tubes. Equipped as standard with an \u003cstrong data-start=\"529\" data-end=\"537\"\u003eEL34\u003c\/strong\u003e and \u003cstrong data-start=\"541\" data-end=\"550\"\u003e12AX7\u003c\/strong\u003e , this amplifier offers the possibility of using different power tubes (such as 5881) without having to re-bias, thanks to the \u003cstrong data-start=\"689\" data-end=\"710\"\u003eauto-bias system\u003c\/strong\u003e .\u003c\/p\u003e\n\n \u003cp data-start=\"713\" data-end=\"1305\"\u003eWith a single channel, controls for \u003cstrong data-start=\"744\" data-end=\"752\"\u003egain\u003c\/strong\u003e , \u003cstrong data-start=\"754\" data-end=\"762\"\u003etone\u003c\/strong\u003e , and \u003cstrong data-start=\"764\" data-end=\"774\"\u003evolume\u003c\/strong\u003e , and three voicing switches ( \u003cstrong data-start=\"801\" data-end=\"814\"\u003emid-boost\u003c\/strong\u003e , \u003cstrong data-start=\"816\" data-end=\"828\"\u003ebass-cut\u003c\/strong\u003e , and \u003cstrong data-start=\"832\" data-end=\"846\"\u003egain-boost\u003c\/strong\u003e ), you can create a wide range of tones, from sparkling clean to rich, saturated overdrive. On the rear panel, you'll find a \u003cstrong data-start=\"972\" data-end=\"1014\"\u003erecording output with speaker simulation\u003c\/strong\u003e , a \u003cstrong data-start=\"1020\" data-end=\"1031\"\u003eline-in\u003c\/strong\u003e for external preamps, a \u003cstrong data-start=\"1066\" data-end=\"1095\"\u003espeaker on\/off switch\u003c\/strong\u003e for silent recording, and a \u003cstrong data-start=\"1124\" data-end=\"1157\"\u003ethree-position power switch\u003c\/strong\u003e (12W, 4W, standby). The \u003cstrong data-start=\"1181\" data-end=\"1209\"\u003eKoch VG12-60 12\" speaker\u003c\/strong\u003e delivers a full, musical sound. This combo is perfect for home, studio, or stage.\u003c\/p\u003e\n\n \u003cp data-start=\"1307\" data-end=\"1327\"\u003e\u003cstrong data-start=\"1307\" data-end=\"1325\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli data-start=\"1330\" data-end=\"1370\"\u003e Type: Class A single-ended tube combo\u003c\/li\u003e\n\n\u003cli data-start=\"1373\" data-end=\"1417\"\u003e Power: 12W \/ 4W \/ Standby (switchable)\u003c\/li\u003e\n\n\u003cli data-start=\"1420\" data-end=\"1495\"\u003e Tubes: 1x 12AX7, 1x EL34 (interchangeable with 5881 thanks to auto-bias)\u003c\/li\u003e\n\n\u003cli data-start=\"1498\" data-end=\"1509\"\u003e Channel: 1\u003c\/li\u003e\n\n\u003cli data-start=\"1512\" data-end=\"1543\"\u003e Controls: Gain, Tone, Volume\u003c\/li\u003e\n\n\u003cli data-start=\"1546\" data-end=\"1565\"\u003e Voicing switches:\u003c\/li\u003e\n\n\u003cli data-start=\"1570\" data-end=\"1582\"\u003e Gain Boost\u003c\/li\u003e\n\n\u003cli data-start=\"1587\" data-end=\"1598\"\u003e Mid Boost\u003c\/li\u003e\n\n\u003cli data-start=\"1603\" data-end=\"1613\"\u003e Bass Cut\u003c\/li\u003e\n\n\u003cli data-start=\"1616\" data-end=\"1646\"\u003e Speaker: 1x 12” Koch VG12-60\u003c\/li\u003e\n\n\u003cli data-start=\"1649\" data-end=\"1721\"\u003e Speaker on\/off switch (with internal dummy load for silent recording)\u003c\/li\u003e\n\n\u003cli data-start=\"1724\" data-end=\"1764\"\u003e Recording output with speaker simulation\u003c\/li\u003e\n\n\u003cli data-start=\"1767\" data-end=\"1809\"\u003e Line input (0 dBV, for external preamps)\u003c\/li\u003e\n\n\u003cli data-start=\"1812\" data-end=\"1845\"\u003e Speaker outputs: 4, 8 and 16 Ohms\u003c\/li\u003e\n\n\u003cli data-start=\"1848\" data-end=\"1877\"\u003e Dimensions: 54 x 46 x 25 cm\u003c\/li\u003e\n\n\u003cli data-start=\"1880\" data-end=\"1896\"\u003e Weight: 19.8 kg \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/article\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":56080681435509,"sku":"CTSE12\/C112","price":1239.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8449\/4657\/files\/54000_54139.jpg?v=1760112873","url":"https:\/\/vdsinstrumenten.fr\/products\/koch-ctse12-c112","provider":"VDS instrumenten","version":"1.0","type":"link"}