{"product_id":"grimm-audio-uc1-universal-adda-converter","title":"Grimm Audio UC1 Universal ADDA Converter","description":"\u003cp\u003eMost USB interfaces convert audio. The Grimm Audio UC1 converts audio, controls your monitoring, handles headphones, manages multiple speaker pairs, and reclocks everything through one of the lowest-jitter oscillators in the industry. It is a 20-channel USB interface and monitor controller built into a single chassis, designed by the same team behind the LS1 loudspeaker system. If your workflow involves both tracking and mixing, the UC1 replaces an entire rack of boxes with one piece of Dutch engineering.\u003c\/p\u003e\n\n\u003ch5\u003eKey Features of the Grimm Audio UC1\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e18+2 Channel USB Audio:\u003c\/strong\u003e 18 channels on the rear USB port plus a dedicated 2-channel front \"i-put\" for iPad, iPhone, or laptop. No sample rate restrictions on the front input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference-Quality Converters:\u003c\/strong\u003e Both ADC and DAC paths use Grimm's converter topology with hybrid PLL clocking for ultra-low jitter performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Monitor Control:\u003c\/strong\u003e Source selection, speaker pair switching (A\/B), dim, mute, mono, and volume from the front panel. No separate monitor controller needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Performance Headphone Output:\u003c\/strong\u003e Dedicated headphone amplifier for critical listening and tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFoldback Monitoring:\u003c\/strong\u003e Latency-free monitoring path for recording musicians who need to hear themselves without delay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll XLR Connections:\u003c\/strong\u003e Every analog input and output uses balanced XLR connectors. No compromises on signal integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital I\/O:\u003c\/strong\u003e 4 digital inputs and 4 digital outputs (AES\/EBU) for integration with external digital equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWord Clock:\u003c\/strong\u003e Clock input and output for synchronizing with external devices. The UC1's internal oscillator can serve as master clock for a small studio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample Rates to 192 kHz:\u003c\/strong\u003e Supports 44.1, 48, 88.2, 96, 176.4, and 192 kHz for any workflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eThe \"Universal\" in UC1\u003c\/h5\u003e\n\u003cp\u003eGrimm designed the UC1 around real-world use cases, not spec-sheet features. The 18 rear USB channels split between monitoring outputs and recording inputs. Four analog outputs can feed two pairs of speakers (or one pair plus sub), so switching between nearfields and mains is a button press away. Four analog inputs handle microphones or line-level sources. The dedicated front-panel USB input was designed specifically for the modern workflow where a phone or tablet is always part of the session. Plug it in, select it as a source, and it works at any sample rate without touching the main USB configuration.\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/grimm_uc1_inline_rear_panel.jpg?v=1774033790\" alt=\"Grimm Audio UC1 rear panel showing XLR balanced and AES\/EBU connections\" style=\"display: block; margin-left: auto; margin-right: auto; max-width: 100%;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eClocking That Matters\u003c\/h5\u003e\n\u003cp\u003eThe UC1 uses Grimm's hybrid PLL clock architecture, the same approach that earned the \u003ca href=\"\/products\/grimm-audio-cc1-master-clock\"\u003eCC1 Master Clock\u003c\/a\u003e its reputation in professional studios worldwide. The converter's jitter performance is on par with dedicated outboard clocks costing as much as the UC1 itself. For studios that already own a CC1 or \u003ca href=\"\/products\/grimm-audio-cc2-master-clock\"\u003eCC2\u003c\/a\u003e, the UC1's word clock input allows it to slave to the external reference for absolute synchronization across the entire signal chain.\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/grimm_uc1_inline_pcb.jpg?v=1774033790\" alt=\"Grimm Audio UC1 internal circuit board with hybrid PLL clock architecture\" style=\"display: block; margin-left: auto; margin-right: auto; max-width: 100%;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eBuilt for the Grimm LS1 System\u003c\/h5\u003e\n\u003cp\u003eThe UC1 is the natural partner for Grimm's LS1 active loudspeakers. Connected via AES\/EBU digital output, the signal path from USB to speaker driver is entirely in the digital domain until the LS1's internal DAC and amplifiers take over. This eliminates an entire D\/A-A\/D conversion stage that conventional setups require. It also works beautifully with any analog-input active or passive speaker system.\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/grimm_uc1_inline_studio.jpg?v=1774033791\" alt=\"Grimm Audio UC1 in professional studio environment\" style=\"display: block; margin-left: auto; margin-right: auto; max-width: 100%;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eExplore the Grimm Audio System\u003c\/h5\u003e\n\u003cp\u003ePair the UC1 with the \u003ca href=\"\/products\/grimm-audio-ls1c-loudspeaker\"\u003eLS1c\u003c\/a\u003e, \u003ca href=\"\/products\/grimm-audio-ls1v2-loudspeaker\"\u003eLS1v2\u003c\/a\u003e, or \u003ca href=\"\/products\/grimm-audio-ls1a-loudspeaker\"\u003eLS1a\u003c\/a\u003e loudspeakers for a complete monitoring system. Add the \u003ca href=\"\/products\/grimm-audio-sb1-motion-feedback-subwoofer\"\u003eSB1\u003c\/a\u003e or \u003ca href=\"\/products\/grimm-audio-ls1s-subwoofer\"\u003eLS1s\u003c\/a\u003e subwoofers for full-range monitoring. For vinyl playback, the \u003ca href=\"\/products\/grimm-audio-pw1-phono-preamplifier\"\u003ePW1 Phono Preamplifier\u003c\/a\u003e connects directly to the UC1's analog inputs.\u003c\/p\u003e\n\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eWe're a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on exceptional service and relentless passion for hifi. Whether you're visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don't just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection. Our passion is helping you get the most out of your gear, with support that lasts well beyond the sale.\u003c\/p\u003e\n\n\u003ch5\u003eGrimm Audio UC1 Specifications\u003c\/h5\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f3f3f3;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left; width: 34%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left; width: 66%;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eUSB audio interface \/ monitor controller \/ ADDA converter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eUSB Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e18 rear + 2 front (\"i-put\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eAnalog Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e4+2 (XLR balanced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e4 (XLR balanced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDigital Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e4 (AES\/EBU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e4 (AES\/EBU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eHeadphone Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eYes (front panel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMonitoring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eSource selection, speaker A\/B, dim, mute, mono, volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eClock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eUltra-low jitter hybrid PLL, word clock in\/out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSample Rates\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e44.1 kHz to 192 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eConnectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eAll XLR (analog), BNC (clock), USB-B (rear), USB-A (front)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFoldback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eLatency-free monitoring path\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eNetherlands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Grimm Audio","offers":[{"title":"Default Title","offer_id":42655369494624,"sku":"GRIUC1","price":5750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/05_grimm_uc1_hero.jpg?v=1774033035","url":"https:\/\/listenroom.com\/products\/grimm-audio-uc1-universal-adda-converter","provider":"The Listening Room","version":"1.0","type":"link"}