{"product_id":"demeter-amplification-vthf-300m-tube-power-amplifier","title":"Demeter Amplification VTHF-300M Tube Power Amplifier","description":"\u003cp\u003eDesigned for heavy duty use, the \u003cstrong\u003eDemeter VTHF-300M\u003c\/strong\u003e is equally at home in the studio or on the road. Its all tube high fidelity design rivals and surpasses the sound quality of many of the so-called audiophile amplifiers, yet sells for substantially less. Its awesome power (300 W RMS pentode\/150 W triode) can run any speaker through its paces with the accuracy, definition and fullness that only tube amplifiers can deliver. Featuring a custom designed and high current bifiler audio output transformer, regulated B+ to the preamplifier section, individual output tube bias for long tube life, pentode\/triode switch, variable feedback control, heavy duty binding posts, gold plated RCA input connector (1\/4 phono and Jensen balanced 3-pin also available), optional two speed fan, toroidal power transformer, solid power supply (880 mf @ 800 volts), Demeter selected tubes, a beautiful heavy duty aluminum and steel chassis, all hand built construction in the U.S.A. using only the best quality components.\u003c\/p\u003e  \u003ch3\u003eSpecifications:\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003eOutput power: 300 watts RMS pentode \/ 150 watts RMS triode\u003c\/li\u003e \u003cli\u003eOutput impedance: 4 and 8ohms\u003c\/li\u003e \u003cli\u003eNominal input impedance: 100 kOhms\u003c\/li\u003e \u003cli\u003eTHD: Less than 0.05 @ 1 watt\u003c\/li\u003e \u003cli\u003eBandwidth: 20 HZ to 20 kHz -0.7 dB\u003c\/li\u003e \u003cli\u003ePreamp tubes: 1 - 12AX7a, 1 - 12AT7a\u003c\/li\u003e \u003cli\u003ePower tubes: 8 - Svetlana 6550c\u003c\/li\u003e \u003cli\u003eMounting: 4 space standard rack\u003c\/li\u003e \u003cli\u003eOperating voltage: 240\/120 V AC\u003c\/li\u003e \u003cli\u003eDimensions: 7\" x 19\" x 12\"\u003c\/li\u003e \u003c\/ul\u003e","brand":"Demeter Amplification","offers":[{"title":"Default Title","offer_id":44450034876519,"sku":"64332","price":2999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/demeter-vthf-300m_64332_1_6dfb72f4-326c-4dd9-aa64-7e661ea8eaf4.jpg?v=1787091416","url":"https:\/\/vintageking.mom\/products\/demeter-amplification-vthf-300m-tube-power-amplifier","provider":"Vintage King","version":"1.0","type":"link"}