{"product_id":"koch-63-od-301019","title":"63'od","description":"\u003ch3\u003eA \"63\" Spirit: Tube Warmth and Vintage Overdrive in a Modern Format\u003c\/h3\u003e\u003cp\u003eThe Koch 63'OD was designed as a \u003cstrong\u003etube guitar preamp\u003c\/strong\u003e capable of capturing the legendary grain of vintage saturations: \u003cstrong\u003ethick mids\u003c\/strong\u003e, \u003cstrong\u003enatural compression\u003c\/strong\u003e, and that organic \"push\" feel that defined the 60s and 70s. Its name clearly evokes this golden era, but the approach is decidedly modern: you retain the authenticity of the tube circuit while benefiting from comprehensive connectivity adapted to modern rigs (console, recording, monitoring, power amp).\u003c\/p\u003e\u003cp\u003eAt the heart of the unit, a \u003cstrong\u003e12AX7 tube\u003c\/strong\u003e operates at high internal voltage to deliver dynamic response and progressive saturation. The result: an overdrive that reacts to your attack, guitar volume, and pickup choice, while remaining controllable in very different setups.\u003c\/p\u003e\u003ch3\u003eFor Whom and For What: From Plug-and-Play Pedalboard to Touring Rig\u003c\/h3\u003e\u003cp\u003eThe 63'OD is aimed at guitarists who want to \u003cstrong\u003etake their sound\u003c\/strong\u003e everywhere without relying on a specific amp. In rehearsals, it becomes a reliable nerve center: plug in, select your channel, and immediately find your familiar settings. In the studio, the DI XLR with speaker simulation provides a ready-to-use signal while preserving the feel of a tube. On stage, it can feed a power amp, a monitor, a monitoring system, or directly the front of house.\u003c\/p\u003e\u003cp\u003eIn terms of styles, it naturally excels in \u003cstrong\u003eblues\u003c\/strong\u003e, \u003cstrong\u003erock\u003c\/strong\u003e, classic rock, and all aesthetics seeking a singing overdrive and present mids. The Clean channel, focused on clarity and full-band response, is also very suitable for ambient, modulation, or delay pedals, maintaining a clean and readable foundation.\u003c\/p\u003e\u003ch3\u003eControls, Loops, and Connectivity: Ergonomics Designed \"Like a Real Preamp\"\u003c\/h3\u003e\u003cp\u003eThe Koch 63'OD offers \u003cstrong\u003etwo channels\u003c\/strong\u003e with a shared \u003cstrong\u003e3-band EQ\u003c\/strong\u003e. The Clean channel has a dedicated \u003cstrong\u003eVolume\u003c\/strong\u003e, while the Overdrive channel features \u003cstrong\u003eGain\u003c\/strong\u003e and \u003cstrong\u003eVolume\u003c\/strong\u003e to separately adjust saturation level and output level. An \u003cstrong\u003eOD Boost switch\u003c\/strong\u003e adds an extra gain stage to thicken the drive, make a solo stand out, or switch to a more aggressive register without changing your base setting.\u003c\/p\u003e\u003cp\u003eTo perfectly integrate your effects, you have \u003cstrong\u003etwo distinct loops\u003c\/strong\u003e : the \u003cstrong\u003ePre-FX Loop\u003c\/strong\u003e (unbuffered) is ideal for placing shaping pedals before the preamp, while the \u003cstrong\u003ePost-FX Loop\u003c\/strong\u003e (fully buffered) secures the end of the chain for delays, reverbs, and modulations, with a stable and coherent signal. Switching is announced as \u003cstrong\u003esilent (no click)\u003c\/strong\u003e and accompanied by \u003cstrong\u003eLED indicators\u003c\/strong\u003e, a real plus live.\u003c\/p\u003e\u003cp\u003eFinally, the 63'OD takes care of integration in advanced rigs: a \u003cstrong\u003eRemote Control input\u003c\/strong\u003e allows the use of a MIDI switcher or external switching system. And to power some essential pedals, a \u003cstrong\u003e9VDC output\u003c\/strong\u003e is available (up to \u003cstrong\u003e200 mA\u003c\/strong\u003e ) with short-circuit protection.\u003c\/p\u003e\u003ch3\u003eThe Sound\u003c\/h3\u003e\u003cp\u003eThe Clean channel aims for a \u003cstrong\u003eclear, balanced, and spacious\u003c\/strong\u003e reproduction, ideal for preserving your guitar's character and serving as a platform for pedals. The Overdrive channel delivers what is expected from a vintage-oriented tube preamp: \u003cstrong\u003edense mids\u003c\/strong\u003e, \u003cstrong\u003eprogressive saturation\u003c\/strong\u003e, and a natural sustain feel without losing articulation. The behavior is expressive: lowering the guitar volume often yields a milder clean-crunch, and playing harder thickens the grain with typically \"tube\" compression.\u003c\/p\u003e\u003cp\u003eWith the OD Boost, the 63'OD easily shifts from bluesy to more driven rock, maintaining a clear attack and controlled high end. The speaker simulation on the DI XLR output provides a coloration designed for recording and PA, to achieve a more \"finished\" sound than a raw line output.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cstyle\u003e@media(max-width:632px){table[data-wb-spec]{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}table[data-wb-spec] colgroup{display:none}table[data-wb-spec] tbody,table[data-wb-spec] tr{display:contents}table[data-wb-spec] td{display:block;overflow-wrap:anywhere;grid-row:var(--wb-l);background-color:var(--wb-lb)}table[data-wb-spec] td[data-r]{grid-row:var(--wb-r);background-color:var(--wb-rb)}table[data-wb-spec] td[colspan=\"2\"]{grid-column:1\/-1}table[data-wb-spec] td:empty{display:none}}\u003c\/style\u003e\n\u003ctable data-wb-spec style=\"width:100%;table-layout:fixed\"\u003e\n\u003ccolgroup\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003c\/colgroup\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:1;--wb-r:6;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eelectric preamp\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eNumber of channels\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e2\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:2;--wb-r:7;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eTubes\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eEQ\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e3 channels\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:3;--wb-r:8;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003ePedal\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eHeadphone output\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eNo\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:4;--wb-r:9;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eEffects loop\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eYes\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eBrown\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:5;--wb-r:10;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003ePre-amp tubes\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e12AX7\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003ePower output\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e9 W\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable data-wb-spec style=\"width:100%;table-layout:fixed\"\u003e\n\u003ccolgroup\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003c\/colgroup\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:1;--wb-r:10;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003ePreamp tube\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e1 x 12AX7\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eSymmetrical DI XLR output REC\/PA\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eline level, speaker simulation, ground lift\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:2;--wb-r:11;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eTube operating voltage\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e285 VDC\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003ePower input\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e12VAC\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:3;--wb-r:12;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003e2 channels\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eClean and Overdrive\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eAccessory power output\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e9VDC up to 200 mA, short-circuit protected\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:4;--wb-r:13;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eClean channel\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eVolume\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eChassis\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003ealuminum, roadworthy design\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:5;--wb-r:14;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eOverdrive channel\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eGain and Volume\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eDimensions (W x D x H)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e13.2 cm x 20.5 cm x 6.4 cm\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:6;--wb-r:15;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eShared EQ\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e3-band EQ\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e1.2 kg\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:7;--wb-r:16;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003ePre-FX Loop\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eunbuffered\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eRequired power supply\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e12VAC\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:8;--wb-r:17;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003ePost-FX Loop\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003efully buffered\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003ePedal power output\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e9VDC, up to 200 mA\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:9;--wb-r:18;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eMonitor output with switchable levels\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e0 dBV (power amp), -10 dBV (FX return), re-amp (to Clean channel input)\u003c\/td\u003e\u003ctd data-r colspan=\"2\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":54360842109203,"sku":"301019","price":329.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0872\/6803\/files\/637cc50fecffdc08be1ef5d69591575f54a057d0_KOCH_63OD.jpg?v=1792624522","url":"https:\/\/woodbrass.shop\/products\/koch-63-od-301019","provider":"Woodbrass.com","version":"1.0","type":"link"}