{"product_id":"rdl-ru-sh1","title":"RDL RU-SH1 – RACK-UP Stereo Headphone Amplifier","description":"\u003ch2\u003eWhat is the RDL RU-SH1?\u003c\/h2\u003e\u003cp\u003eThe RDL RU-SH1 is a RACK-UP series stereo headphone amplifier that drives headphones of any impedance from consumer or professional sources. It accepts balanced or unbalanced left and right inputs.\u003c\/p\u003e\u003ch2\u003eHow does it work?\u003c\/h2\u003e\u003cp\u003e\u003cimg src=\"https:\/\/rdlnet.com\/wp-content\/uploads\/2024\/01\/ru-sh1_f.jpg\" alt=\"RDL RU-SH1 RACK-UP Stereo Headphone Amplifier\" style=\"max-width:100%;height:auto\" loading=\"lazy\"\u003e\u003c\/p\u003e\u003cp\u003eEach input accepts operating levels between -20 dBV and +20 dBu, and recessed rear switches set input sensitivity and stereo or mono operation. In mono mode, the left input drives both output channels. The front-panel control adjusts matched VCAs, so audio never passes through the potentiometer for long-term noise-free adjustment. The amplifier delivers more than 50 mW into high or low impedance headphones through a metal 1\/4 in. jack. It mounts in the \u003ca href=\"https:\/\/creationnetworks.net\/products\/rdl-rc-1ur\"\u003eRDL RC-1UR rack chassis\u003c\/a\u003e and runs from a 24 Vdc supply such as the \u003ca href=\"https:\/\/creationnetworks.net\/products\/rdl-ps-24ax\"\u003eRDL PS-24AX 24 Vdc power supply\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eWhat are the key features?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAny headphone impedance\u003c\/strong\u003e — The output stage drives both high and low impedance headphones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced or unbalanced inputs\u003c\/strong\u003e — Left and right inputs accept consumer or professional signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable sensitivity\u003c\/strong\u003e — A rear switch matches the input to +4 dBu or -15 dBV nominal sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStereo or mono mode\u003c\/strong\u003e — A mode switch lets the left input feed both channels in mono systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVCA level control\u003c\/strong\u003e — The long-life front control adjusts VCAs so audio never passes through the pot.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RDL","offers":[{"title":"Default Title","offer_id":68025745965292,"sku":"RU-SH1","price":228.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/ru-sh1_f.jpg?v=1793583135","url":"https:\/\/creationnetworks.net\/products\/rdl-ru-sh1","provider":"Creation Networks","version":"1.0","type":"link"}