{"product_id":"peerless-by-tymphany-stw-350f-188pr01-04-subwoofer","title":"STW-350F-188PR01-04","description":"\u003cp\u003eThe STW-350F-188PR01-04 is a 15 inch (38 cm) Subwoofer from Peerless by Tymphany with dual 8-Ohm voice coils (D8) and a voice coil diameter of 188 mm. The internal, FEA-optimized ferrite magnet structure, two large aluminum short-circuit rings, and extensive voice coil ventilation are key design features. The performance specifications include 3,500 Watts RMS and 5,000 Watts maximum, with a sensitivity of 88.7 dB (2.83 V\/1 m) and a frequency response of 10 to 500 Hz. Mechanical parameters include a maximum linear excursion of ±10.4 mm and a mechanical excursion of over 90 mm peak-to-peak; the magnet gap is 36 mm long, the voice coil is 57 mm, with 45.5 mm excursion before significant BL loss. The construction uses a diaphragm made of paper\/carbon fiber, a rubber surround, copper voice coil wire, and a fiberglass former in an aluminum die-cast basket with a ferrite magnet. For mounting, there are front and rear mounting points with M6 x 30 threads. The dimensions are 38 cm overall outer diameter, 23.3 cm overall depth, and 34.8 cm cutout for the baffle with 8 mounting holes.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e15 inch (38 cm) Subwoofer\u003c\/li\u003e\n\u003cli\u003eRMS power 3,500 Watts\u003c\/li\u003e\n\u003cli\u003eMaximum load capacity 5,000 Watts\u003c\/li\u003e\n\u003cli\u003eImpedance D8 (2x 8 Ohm)\u003c\/li\u003e\n\u003cli\u003eSensitivity 88.7 dB (2.83 V\/1 m)\u003c\/li\u003e\n\u003cli\u003eFrequency response 10 to 500 Hz\u003c\/li\u003e\n\u003cli\u003eVoice coil diameter 188 mm\u003c\/li\u003e\n\u003cli\u003eInternal ferrite magnet structure\u003c\/li\u003e\n\u003cli\u003eFEA-optimized motor\u003c\/li\u003e\n\u003cli\u003e2 aluminum short-circuit rings\u003c\/li\u003e\n\u003cli\u003eDual voice coil\u003c\/li\u003e\n\u003cli\u003eExtensive voice coil ventilation\u003c\/li\u003e\n\u003cli\u003eMechanical excursion over 90 mm (peak-to-peak)\u003c\/li\u003e\n\u003cli\u003eMaximum linear excursion Xmax ±10.4 mm\u003c\/li\u003e\n\u003cli\u003eDiaphragm paper\/carbon fiber, surround rubber\u003c\/li\u003e\n\u003cli\u003eVoice coil wire copper, voice coil former fiberglass\u003c\/li\u003e\n\u003cli\u003eBasket aluminum die-cast, magnet material ferrite\u003c\/li\u003e\n\u003cli\u003eFront and rear mounting points, thread M6 x 30\u003c\/li\u003e\n\u003cli\u003eOverall outer diameter 38 cm\u003c\/li\u003e\n\u003cli\u003eOverall depth 23.3 cm\u003c\/li\u003e\n\u003cli\u003eCutout for baffle 34.8 cm\u003c\/li\u003e\n\u003cli\u003eMounting holes 8\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eDC resistance Re 3.2 Ohm\u003c\/li\u003e\n\u003cli\u003eVoice coil inductance Le 3.31 mH\u003c\/li\u003e\n\u003cli\u003eResonance frequency Fs 25.3 Hz\u003c\/li\u003e\n\u003cli\u003eMechanical quality factor Qms 11.39\u003c\/li\u003e\n\u003cli\u003eElectrical quality factor Qes 0.5\u003c\/li\u003e\n\u003cli\u003eTotal quality factor Qts 0.48\u003c\/li\u003e\n\u003cli\u003eMoving mass Mms 576.8 g\u003c\/li\u003e\n\u003cli\u003eMechanical compliance Cms 0.068 mm\/N\u003c\/li\u003e\n\u003cli\u003eDiaphragm area Sd 774.4 cm²\u003c\/li\u003e\n\u003cli\u003eBL product 24.18 Tm\u003c\/li\u003e\n\u003cli\u003eEquivalent volume Vas 58 l\u003c\/li\u003e\n\u003cli\u003eMagnet gap length 36 mm\u003c\/li\u003e\n\u003cli\u003eVoice coil length 57 mm\u003c\/li\u003e\n\u003cli\u003eExcursion 45.5 mm before significant BL loss\u003c\/li\u003e\n\u003cli\u003eEnclosure recommendation sealed 56 l, lower cutoff frequency -3 dB: 42 Hz\u003c\/li\u003e\n\u003cli\u003eEnclosure recommendation vented 82 l, port 200 cm² and 70 cm length, lower cutoff frequency -3 dB: 24.2 Hz\u003c\/li\u003e\n\u003cli\u003eEnclosure recommendation vented 130 l, port 180 cm² and 90 cm length, lower cutoff frequency -3 dB: 20 Hz\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Peerless by Tymphany","offers":[{"title":"Default Title","offer_id":33336784748679,"sku":"STW-350F-188PR01-04","price":699.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/peerless-by-tymphany-stw-350f-188pr01-04-15-38cm-subwoofer-masori-kaufen.webp?v=1747869648","url":"https:\/\/masprori.com\/en\/products\/peerless-by-tymphany-stw-350f-188pr01-04-15-inch-subwoofer","provider":"Masori | Shop","version":"1.0","type":"link"}