{"product_id":"palmer-main-passive-2-channel-line-merger","title":"Palmer Main- Passive 2-Channel Line Merger","description":"\u003ch5\u003eOverview\u003c\/h5\u003e\n\u003cp\u003eSometimes it is necessary to send two stereo signals to one device, for example, when two mixing consoles have to drive a stereo power amplifier. In practice, this is rarely possible without ground loops occurring. The Palmer\u003cspan\u003e \u003c\/span\u003e\u003cem\u003emain\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003esolves this type of problem. It mixes two stereo input signals via a resistor matrix, whereby the input pair A is galvanically isolated by a transformer in order to avoid ground loops.\u003c\/p\u003e\n\u003cp\u003eThe Palmer\u003cspan\u003e \u003c\/span\u003e\u003cem\u003emain\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eworks purely passively. The result is a particularly low noise floor and a neutral sound. Thanks to large transformers, it can handle high-level signals up to +20 dBu without distortion. The transformers also make it possible to assign the input pair A unbalanced while the output signal remains balanced.\u003c\/p\u003e\n\u003cp\u003eThe passive mode of operation without a power supply makes the Palmer\u003cspan\u003e \u003c\/span\u003e\u003cem\u003emain\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eparticularly reliable and failure-proof. The aluminium\/steel housing and XLR sockets are also best suited to the rough everyday life on stage. The Palmer\u003cspan\u003e \u003c\/span\u003e\u003cem\u003emain\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003emerge box solves typical sound reinforcement problems in the simplest way with uncompromised sound quality.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMerge two stereo signals on one output pair\u003c\/li\u003e\n\u003cli\u003eAllows the combination of two devices, e.g. two mixers to a PA System\u003c\/li\u003e\n\u003cli\u003eGalvanic transformer isolation of outputs\u003c\/li\u003e\n\u003cli\u003eSwitchable ground lift to isolate ground loop hum\u003c\/li\u003e\n\u003cli\u003eNeutral sound\u003c\/li\u003e\n\u003cli\u003eHigh headroom (+20 dBu max. input level)\u003c\/li\u003e\n\u003cli\u003ePassive construction, no power supply required\u003c\/li\u003e\n\u003cli\u003eExtremely fail-safe\u003c\/li\u003e\n\u003cli\u003eSolid casing made of aluminium and steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/iMmU7OquGF0?si=kbEd8d8WGX0sEQkN\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLine summing unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epassive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransformer isolated\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003einput type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ebalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput connectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXLR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ebalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput connectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXLR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGround lift switch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminium continuous casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimension (H\/W\/D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140 x 50 x 128 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0,8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient temperature during operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 - 70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 80 %, not condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccessories (included)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInscription label (tour label)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccessories (included)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003erubber feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eAudio\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. input level (\u0026lt; 1% THD, 20 Hz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+20 dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. input level (\u0026lt; 1% THD, 1 kHz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+ 32 dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency response (±1 dB, relative 1 kHz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 Hz - 80 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput impedance (1 kHz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.3 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput impedance (1 kHz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600 Ohm(s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTHD (30 Hz, +4 dBu, unity, unweighted)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0,9 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTHD (1 kHz, +4 dBu, unity, unweighted)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0,02 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIMD (SMPTE) (60 Hz \/ 7 kHz, 4:1, +4 dBu)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0,015 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransformer ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 : 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eShipping \u0026amp; Returns\u003c\/h5\u003e\n\u003cp\u003eThis product includes FREE SHIPPING Australia Wide and an easy 30 day return policy.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you decide you want to return an item for any reason within 30 days you can send it back and receive a full refund of the purchase price, just pay the return shipping cost.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFor additional information see our full Shipping and Returns policy by clicking\u003cspan\u003e \u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003e\u003ca href=\"https:\/\/refinermusic.com.au\/pages\/shipping\" title=\"Shipping and Returns\" rel=\"noopener\" target=\"_blank\"\u003ehere.\u003c\/a\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eWhy Buy from Us?\u003c\/h5\u003e\n\u003cp\u003eWith so many online retailers to choose from, we appreciate you considering Refiner Music. Here's what sets us apart:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFREE SHIPPING on purchases over $70 Australia Wide.\u003c\/li\u003e\n\u003cli\u003ePrice match guarantee. We provide the best online prices guaranteed.\u003c\/li\u003e\n\u003cli\u003e30 day easy returns. Not happy with your purchase? We'll take it back, no questions asked.\u003c\/li\u003e\n\u003cli\u003eWe give back. 10% of Refiner Music's profits are donated to up and coming Australian artists in the music industry.\u003c\/li\u003e\n\u003cli\u003eAustralian owned and operated. Our mission as an Australian company is to get behind and grow the Australian music industry by not just supporting Australian brands, but Australian musicians alike.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Palmer","offers":[{"title":"Default Title","offer_id":43816975171674,"sku":"PAL-PMAIN","price":349.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9037\/0906\/files\/4_f66a5ac7-f2e5-400a-9ef2-6714b23b40da.png?v=1786338479","url":"https:\/\/refinermusic.com.au\/products\/palmer-main-passive-2-channel-line-merger","provider":"Refiner Music","version":"1.0","type":"link"}