{"product_id":"avm-ovation-sa-8-3-s-stereo-power-amplifier","title":"AVM Ovation SA 8.3 S Stereo Power Amplifier","description":"\u003cp\u003eThe AVM Ovation SA 8.3 S is a Class A\/AB stereo power amplifier with AVM's new anode-follower tube input stage. AVM's technical data rates it at more than 420 W per channel into 4 ohms and more than 230 W into 8 ohms, from two 1,000 VA toroidal transformers, 24 MOSFETs per channel and 270,000 µF of filter capacitance per channel.\u003c\/p\u003e\n\u003cp\u003eThe SA 8.3 S is a stereo power amplifier in AVM's Ovation S line, and the stereo sibling of the MA 8.3 S monoblocks. Its analog circuit is fully DC-coupled, and it is delivered in a flight case.\u003c\/p\u003e\n\n\u003ch5\u003eKey Features of the AVM Ovation SA 8.3 S\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTube Input Stage:\u003c\/b\u003e A new anode-follower tube input stage for ultra-wideband frequency response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOver 420 W Per Channel Into 4 Ohms:\u003c\/b\u003e More than 230 W into 8 ohms and more than 700 W into 2 ohms, in Class A\/AB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwo 1,000 VA Transformers:\u003c\/b\u003e Two low-stray toroidal transformers for channel separation, with 24 MOSFETs and 270,000 µF per channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFully DC-Coupled:\u003c\/b\u003e No coupling capacitors in the signal path, with automatic offset compensation and current-source-stabilized output stages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual Differential Input Stage:\u003c\/b\u003e With RCA and XLR high-level inputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated Power Filtering:\u003c\/b\u003e Across all relevant voltage ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOLED Display and Triggers:\u003c\/b\u003e A dimmable OLED graphic display, a 5 to 20 V DC trigger input and AVM's AIR trigger.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eWhat Does the Tube Input Stage Do?\u003c\/h5\u003e\n\u003cp\u003eThe SA 8.3 S uses a new anode-follower tube input stage, designed for an ultra-wideband frequency response. AVM credits it with a fine musical fluency, combined with high operational reliability and a modern circuit design.\u003c\/p\u003e\n\u003cp\u003eThe SA 8.3 S also has dual differential input stages, and the entire analog circuit is DC-coupled to keep coupling capacitors out of the signal path, with automatic offset compensation and current-source-stabilized output stages.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/avm-ovation-sa-8-3-s-inline-silver-elevated-front.jpg?v=1793118779\" alt=\"AVM Ovation SA 8.3 S Stereo Power Amplifier, Silver, elevated front view\" style=\"width:100%;max-width:1000px;height:auto;border-radius:12px;margin:16px 0;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003ePower and Measured Performance\u003c\/h5\u003e\n\u003cp\u003eAVM's technical data rates the SA 8.3 S at more than 230 W per channel into 8 ohms, more than 420 W into 4 ohms and more than 700 W into 2 ohms. Two low-stray 1,000 VA toroidal transformers serve near-perfect channel separation, with 24 MOSFETs and 270,000 µF of filter capacitance per channel.\u003c\/p\u003e\n\u003cp\u003eAVM rates distortion below 0.02% and intermodulation below 0.01% at 25 W into 4 ohms, with a signal-to-noise ratio above 94 dB(A). The frequency response runs from below 1 Hz to above 100 kHz (-3 dB), the slew rate is above 15 V\/µs and the damping factor is above 400.\u003c\/p\u003e\n\n\u003ch5\u003eInputs, Control and Finishes\u003c\/h5\u003e\n\u003cp\u003eThe SA 8.3 S has RCA and XLR high-level inputs, with an input sensitivity of 1.25 V (for 350 W into 4 ohms) and input impedances of 20 kohm and 40 kohm. A trigger input takes 5 to 20 V DC, and AVM's AIR trigger (AVM Intelligent Remote) is built in. It has a dimmable OLED graphic display.\u003c\/p\u003e\n\u003cp\u003eThe aluminum enclosure comes in silver, brushed black, or the Cellini version with a chrome fascia, and the SA 8.3 S is delivered in a flight case.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/avm-ovation-sa-8-3-s-inline-black-front.jpg?v=1793118782\" alt=\"AVM Ovation SA 8.3 S Stereo Power Amplifier, Black, front view\" style=\"width:100%;max-width:1000px;height:auto;border-radius:12px;margin:16px 0;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eWho Is AVM?\u003c\/h5\u003e\n\u003cp\u003eAVM Audio Video Manufaktur has built hi-fi by hand in Germany since 1986, and its products are sold in more than 50 countries. The range runs from the AVM 30.3 series through the Inspiration and Evolution lines to Ovation S.\u003c\/p\u003e\n\n\u003cstyle\u003e\n.tlr-cmp{margin:10px 0 4px;}\n.tlr-cmp h5{margin-top:30px !important;}\n.tlr-cmp .cmp-sub{margin:0 0 16px;}\n.tlr-cmp .cmp-row{border:1px solid #eee;border-radius:8px;padding:13px 14px;margin:8px 0;cursor:pointer;transition:border-color .2s ease;}\n.tlr-cmp .cmp-row:hover{border-color:#d9c6b3;}\n.tlr-cmp .cmp-cur{background:#f7f1ec;border:1px solid #ecdcca;border-left:3px solid #a3704d;}\n.tlr-cmp .cmp-cur:hover{border-left-color:#a3704d;}\n.tlr-cmp .cmp-name{font-weight:700;color:#2a2b2a;font-size:16px;line-height:1.35;text-transform:none;}\n.tlr-cmp a{color:#2a2b2a !important;text-decoration:none !important;opacity:1 !important;border-bottom:none !important;padding-bottom:2px;\n  background-image:linear-gradient(#a3704d,#a3704d),linear-gradient(#cbb9a6,#cbb9a6);\n  background-position:left 100%,left 100%;background-size:0% 2px,100% 1px;background-repeat:no-repeat;\n  transition:background-size .35s ease;}\n.tlr-cmp .cmp-row:hover .cmp-name a,\n.tlr-cmp a:hover{background-size:100% 2px,100% 1px !important;opacity:1 !important;}\n.tlr-cmp .cmp-youre{font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:#9a8e74;font-weight:700;margin-left:7px;}\n.tlr-cmp .cmp-price{color:#a3704d;font-weight:700;font-size:16px;margin:2px 0 3px;}\n.tlr-cmp .cmp-diff{color:#555;font-size:16px;line-height:1.5;}\n.tlr-cmp .cmp-verdict{margin:16px 0 4px;}\n.tlr-cmp .cmp-verdict a{color:#a3704d !important;font-weight:700;\n  background-image:linear-gradient(#a3704d,#a3704d),linear-gradient(#d8c3ac,#d8c3ac);}\n\u003c\/style\u003e\n\u003cdiv class=\"tlr-cmp\"\u003e\n\u003ch5\u003eWhere the SA 8.3 S fits in the AVM power amplifier line\u003c\/h5\u003e\n\u003cp class=\"cmp-sub\"\u003eHow the Ovation SA 8.3 S compares to AVM's other power amplifiers, and what each step adds.\u003c\/p\u003e\n\u003cdiv class=\"cmp-row\"\u003e\n\u003cdiv class=\"cmp-name\"\u003e\u003ca href=\"\/products\/avm-ovation-sa-6-3-stereo-power-amplifier\"\u003eAVM Ovation SA 6.3\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cmp-price\"\u003e$14,999\u003c\/div\u003e\n\u003cdiv class=\"cmp-diff\"\u003eA Class A\/AB MOS-FET stereo amp: 2 x 350 W into 4 ohms, a 1000 VA toroidal transformer and switchable outputs for two speaker pairs.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-row\"\u003e\n\u003cdiv class=\"cmp-name\"\u003e\u003ca href=\"\/products\/avm-ovation-sa-8-3-lite-stereo-power-amplifier\"\u003eAVM Ovation SA 8.3 Lite\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cmp-price\"\u003e$19,999\u003c\/div\u003e\n\u003cdiv class=\"cmp-diff\"\u003eA Class A\/B stereo amp with 24 MOSFETs per channel: 350 W per channel into 4 ohms, a transistor input stage and a fully DC-coupled signal path.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-row\"\u003e\n\u003cdiv class=\"cmp-name\"\u003e\u003ca href=\"\/products\/avm-ovation-ma-6-3-mono-power-amplifiers-pair\"\u003eAVM Ovation MA 6.3 (Pair)\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cmp-price\"\u003e$29,999\u003c\/div\u003e\n\u003cdiv class=\"cmp-diff\"\u003eA pair of Class A\/AB MOS-FET monoblocks: 1000 W into 4 ohms and 680 W into 8 ohms each.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-row cmp-cur\"\u003e\n\u003cdiv class=\"cmp-name\"\u003e\n\u003cspan\u003eAVM Ovation SA 8.3 S\u003c\/span\u003e \u003cspan class=\"cmp-youre\"\u003eYou're viewing\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-price\"\u003e$34,999\u003c\/div\u003e\n\u003cdiv class=\"cmp-diff\"\u003eA stereo amp with AVM's anode-follower tube input stage: over 420 W per channel into 4 ohms, two 1,000 VA transformers and 24 MOSFETs per channel.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-row\"\u003e\n\u003cdiv class=\"cmp-name\"\u003e\u003ca href=\"\/products\/avm-ovation-ma-8-3-s-mono-power-amplifiers-pair\"\u003eAVM Ovation MA 8.3 S (Pair)\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cmp-price\"\u003e$69,999\u003c\/div\u003e\n\u003cdiv class=\"cmp-diff\"\u003eA pair of bridged Class A\/AB monoblocks with the tube input stage: over 1,100 W into 4 ohms each, two 1,000 VA transformers and 48 MOSFETs per amplifier.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"cmp-verdict\"\u003eEvery AVM power amplifier here uses MOS-FET output devices, and the SA 8.3 S and MA 8.3 S add AVM's anode-follower tube input stage. Browse the full \u003ca href=\"\/collections\/avm\"\u003eAVM range\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eWe don't just sell high-end audio, we provide a level of service that's as refined as the products we offer. When you invest in a power amplifier like the AVM Ovation SA 8.3 S, you deserve more than a box on your doorstep. You deserve a partner who understands the art of sound and is committed to helping you experience it at its absolute best.\u003c\/p\u003e\n\u003cp\u003eOwner Michael Hoatson will personally deliver the SA 8.3 S to your home, anywhere in the country. Not a curbside drop-off. Painstaking setup, room placement, and full system integration, from a third-generation audio family with decades of experience. That is how we bring a system to life.\u003c\/p\u003e\n\n\u003ch5\u003eAVM Ovation SA 8.3 S Specifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eType\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eStereo power amplifier, Class A\/AB, tube input stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOutput Power Per Channel\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAbove 230 W (8 ohms), above 420 W (4 ohms), above 700 W (2 ohms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAmplification Factor\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e30 (29.5 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInput Sensitivity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25 V (350 W into 4 ohms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInput Impedance\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e20 kohm (RCA), 40 kohm (XLR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDistortion (25 W \/ 4 ohms)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow 0.02%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eIntermodulation (25 W \/ 4 ohms)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow 0.01%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSignal-to-Noise (25 W \/ 4 ohms)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAbove 94 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFrequency Response (-3 dB)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow 1 Hz to above 100 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Bandwidth (25 W \/ 4 ohms)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Hz to above 50 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRise Time \/ Slew Rate\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e10 µs \/ above 15 V\/µs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDamping Factor (8 ohms)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAbove 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Supply Design\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x 1,000 VA toroidal transformers; 24 MOSFETs and 270,000 µF per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMains Supply\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e230 V \/ 50 Hz, 3,500 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eConsumption\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e120 W without signal, below 0.5 W standby\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDimensions (W x H x D)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e432 x 253 x 420 mm (17.0 x 10.0 x 16.5 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e42 kg (92.6 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFinishes\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver, Brushed Black, Cellini chrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"AVM","offers":[{"title":"Silver","offer_id":67701909487712,"sku":"AVMSA8.3SS","price":34999.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":67701909454944,"sku":"AVMSA8.3SB","price":34999.0,"currency_code":"USD","in_stock":true},{"title":"Cellini","offer_id":67701909520480,"sku":"AVMSA8.3SC","price":37999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/avm-ovation-sa-8-3-s-01.jpg?v=1793118787","url":"https:\/\/listenroom.com\/products\/avm-ovation-sa-8-3-s-stereo-power-amplifier","provider":"The Listening Room","version":"1.0","type":"link"}