{"product_id":"heathkit-w-5m-vintage-mono-tube-power-amplifier-110v-serviced-new-tube-cleaned","title":"Heathkit – W-5M – Vintage Mono Tube Power Amplifier – 110V – Serviced (New Tube\/Cleaned)","description":"\u003cp\u003eFor sale: The Heathkit W-5M is a classic American mono tube power amplifier from the 1950s, built around a pair of KT66 output tubes and substantial transformer-based circuitry.\u003c\/p\u003e\n\u003cp\u003eWith its exposed vacuum tubes, gold-coloured chassis and heavy transformer housings, the W-5M is a distinctive example of early high-fidelity audio engineering.\u003c\/p\u003e\n\u003cp\u003eThis example has recently received servicing, including the installation of a vacuum tube and cleaning.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e''Please ask us for a shipping quote for the best shipping rates before making a purchase. Shown costs are estimated and might be incorrect. We can offer better services with different shippers by choice''\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eCosmetic Condition:\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003eUsed Vintage Condition\u003c\/p\u003e\n\u003cp\u003eThe amplifier shows cosmetic wear consistent with its age:\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003eScratches and scuffs across the chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSome paint chips and surface discolouration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWear on the transformer housings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAgeing and partially faded markings on certain vacuum tubes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOverall presentable vintage appearance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease refer to the photographs for the exact cosmetic condition.\u003c\/p\u003e\n\u003cp\u003eWorking Condition:\u003c\/p\u003e\n\u003cp\u003eFully Working - Serviced\u003c\/p\u003e\n\u003cp\u003eService Performed:\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 3 []\"\u003eServiced on October 23, 2026\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003eVacuum tube installed\/replaced.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAmplifier cleaned.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower-on operation demonstrated at 110V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpecs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower output: 25 watts into 8Ω (mono)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20Hz to 20kHz\u003c\/li\u003e\n\u003cli\u003eDamping factor: 40\u003c\/li\u003e\n\u003cli\u003eInput sensitivity: 2.2V\u003c\/li\u003e\n\u003cli\u003eSignal to noise ratio: 99dB\u003c\/li\u003e\n\u003cli\u003eSpeaker load impedance: 4Ω to 16Ω\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDimensions (LxWxH): 33 x 22 x 20 cm\u003cbr\u003eWeight: 15 Kg\u003cbr\u003eVolts: 110v (If it’s 200V or higher, you’ll need an adapter in the USA)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWe ship worldwide.\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eFor international shipping, import fee's apply. These vary per country, and are for the buyer to pay.\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e-Shipping in the EU up to 30 KG (max)\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e-Shipping outside of the EU up to 20 KG (max) Shown costs might vary. Please ask us for a shipping quote for the best rates!\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e-We kindly ask you to reach out for the best shiping rates. As rates vary per shipper, we can ask custom shipping quotes.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePlease note: ‘’Whenever an item exceeds the weight noted above. Please ask for a shipping quote before making a purchase. The shipping costs are estimated in our shop because we do not know the shipping address. \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePicking up the item is also possible. It can be picked up in Alkmaar \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eDelivery by us is also possible in some cases. Please reach out to us for more information about deliveries \u003c\/em\u003e\u003cbr\u003e\u003cem\u003eState of listing: If a listing is listed ''for parts or not working'' returns are not accepted.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen we offer our products with the notice ''Serviced'' or ''Fully serviced'' that means the device is either ''serviced'' with a new belt, and cleaned the pots, Or ''Fully serviced'' recapped, Quiescent current adjusted etc as expected from a full service\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Heathkit","offers":[{"title":"Default Title","offer_id":58932636975448,"sku":"JAN MT-16171748262232-ORB11","price":450.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/1987\/8232\/files\/image00001_eb697677-c525-43e4-89e0-8b5ee95c849a.jpg?v=1793019561","url":"https:\/\/www.odnd.nl\/nl\/products\/heathkit-w-5m-vintage-mono-tube-power-amplifier-110v-serviced-new-tube-cleaned","provider":"ODND Vintage Audio Dreams","version":"1.0","type":"link"}