{"product_id":"adcom-gfa-545-ii-vintage-stereo-power-amplifier","title":"Adcom GFA-545 II Vintage Stereo Power Amplifier","description":"\u003ch2 data-path-to-node=\"0\"\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"0\"\u003eVintage Adcom GFA-545 II Stereo Power Amplifier – Audiophile Classic\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"1\"\u003eBring legendary Nelson Pass-inspired design into your audio setup. The \u003cb data-path-to-node=\"1\" data-index-in-node=\"71\"\u003eAdcom GFA-545 II\u003c\/b\u003e is a celebrated high-current stereo power amplifier, famous for its ability to drive even the most demanding, low-impedance speakers with absolute ease. Delivering a conservative \u003cb data-path-to-node=\"1\" data-index-in-node=\"267\"\u003e100 watts per channel into 8 ohms\u003c\/b\u003e, this vintage powerhouse offers incredible headroom, tight bass control, and a detailed, transparent soundstage that rivals amplifiers at much higher price points.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eWhether you are building a dedicated vinyl listening station or upgrading your home studio monitoring system, the GFA-545 II delivers clean, uncolored musicality.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eProduct Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003ePower Output:\u003c\/b\u003e 100 watts per channel into 8Ω (Stereo), 150 watts into 4Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eFrequency Response:\u003c\/b\u003e 10Hz to 20kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eTotal Harmonic Distortion (THD):\u003c\/b\u003e 0.04%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eDamping Factor:\u003c\/b\u003e \u0026gt;400 (excellent woofer control)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,4,0\"\u003e\u003cb data-path-to-node=\"5,4,0\" data-index-in-node=\"0\"\u003eInput Sensitivity:\u003c\/b\u003e 1.25V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,5,0\"\u003e\u003cb data-path-to-node=\"5,5,0\" data-index-in-node=\"0\"\u003eSignal to Noise Ratio:\u003c\/b\u003e 110dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,6,0\"\u003e\u003cb data-path-to-node=\"5,6,0\" data-index-in-node=\"0\"\u003eDimensions:\u003c\/b\u003e 5.5\" x 17\" x 12.25\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,7,0\"\u003e\u003cb data-path-to-node=\"5,7,0\" data-index-in-node=\"0\"\u003eWeight:\u003c\/b\u003e 25 lbs (11.3 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eCondition Notes (Used\/Vintage)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cblockquote data-path-to-node=\"8\"\u003e\n\u003cp data-path-to-node=\"8,0\"\u003e\u003cb data-path-to-node=\"8,0\" data-index-in-node=\"3\"\u003ePlease Read:\u003c\/b\u003e This is a vintage, pre-owned piece of audio equipment. Please review the details below before purchasing.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eCosmetic Condition:\u003c\/b\u003e Very Good (8\/10). Shows minor signs of vintage wear, such as light surface scratches on the top chassis and minor scuffs near the rack edges consistent with age. The faceplate is clean, and the lettering is fully intact. (See photos for exact cosmetic details).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eFunctional Condition:\u003c\/b\u003e Fully operational. Tested thoroughly in-house. Both channels run balanced and clean, the bias has been checked, and the iconic \"Instantaneous Distortion Alert\" LEDs function perfectly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eModifications:\u003c\/b\u003e 100% stock circuit. No aftermarket modifications have been made.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eWhy Choose the GFA-545 II?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eUnlike the original Mark I version, the \u003cb data-path-to-node=\"12\" data-index-in-node=\"40\"\u003eII series\u003c\/b\u003e features upgraded circuitry that improves thermal stability, reduces distortion at high frequencies, and eliminates the \"turn-on thud\" common in earlier models. Its high-current design means it doesn't flinch when speaker impedance drops, making it a perfect match for notoriously power-hungry vintage speakers like Magnepans, Infinity Emits, or classic JBLs.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003e\u003cb data-path-to-node=\"13\" data-index-in-node=\"0\"\u003eWhat’s Included\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003eAdcom GFA-545 II Power Amplifier\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003eAttached heavy-duty power cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003ci data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003e(Note: Original box and manual are not included, but a digital PDF copy of the manual can be provided upon request).\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"16\"\u003e\u003cb data-path-to-node=\"16\" data-index-in-node=\"0\"\u003eShipping \u0026amp; Guarantee\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"17\"\u003eBecause this is a heavy piece of vintage gear (25 lbs safely packed), we take extra care in boxing. It will be wrapped in multiple layers of heavy-duty bubble wrap and shipped in a sturdy, double-walled box to ensure it arrives safely at your doorstep.\u003c\/p\u003e\n\u003cul data-path-to-node=\"18\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,0,0\"\u003e\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eTested and verified working before shipment.\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,1,0\"\u003e\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003eSecure shipping with tracking and insurance.\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adcom","offers":[{"title":"Default Title","offer_id":53820034515310,"sku":null,"price":199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/545IIM.jpg?v=1779456587","url":"https:\/\/audiolab.com\/products\/adcom-gfa-545-ii-vintage-stereo-power-amplifier","provider":"Audiolab","version":"1.0","type":"link"}