{"product_id":"heathkit-ma-12-vintage-mono-valve-tube-hi-fi-power-amplifier-serviced-tubes-replaced","title":"Heathkit – MA-12 – Vintage Mono Valve \/ Tube Hi-Fi Power Amplifier – Serviced (Tubes Replaced)","description":"\u003cp\u003eFor sale: a Heathkit – MA-12 mono valve power amplifier, manufactured by Daystrom Ltd. in Gloucester, England.\u003c\/p\u003e\n\u003cp\u003eThe MA-12 is a compact British-built tube amplifier from the classic Heathkit era, using a push-pull pair of EL84 output valves. It was designed as a high-fidelity mono power amplifier and could also be used as part of a stereo system when paired with a second MA-12. The original specification rates it at 10 watts RMS \/ 12 watts maximum. \u003ca href=\"https:\/\/www.manualslib.com\/manual\/4066492\/Heathkit-Daystrom-Ma-12.html?utm_source=chatgpt.com\"\u003eManualsLib\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThis example has recently been serviced and tested.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e''Please ask us for a shipping quote for the best shipping rates. Shown costs might be incorrect, or we can offer better services''\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eCosmetic condition:\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eUsed vintage condition with visible signs of age and previous use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eScratches, marks and small paint chips on the chassis\u003c\/li\u003e\n\u003cli\u003eAge-related wear to the transformers, metalwork and valve bases\u003c\/li\u003e\n\u003cli\u003eSome components and transformer sections have previously been wrapped\/taped\u003c\/li\u003e\n\u003cli\u003eOverall appearance is original and unrestored rather than cosmetically refinished\u003c\/li\u003e\n\u003cli\u003ePlease inspect the photos carefully for the exact cosmetic condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWorking Condition\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTested and working\u003c\/li\u003e\n\u003cli\u003eValves power up normally\u003c\/li\u003e\n\u003cli\u003eHum balance has been adjusted\u003c\/li\u003e\n\u003cli\u003eAmplifier passed its recent functional test\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eService Preformed:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 output valves replaced\u003c\/li\u003e\n\u003cli\u003eHum adjusted\u003c\/li\u003e\n\u003cli\u003eTested: OK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpecs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower output: 10 watts into 8Ω (mono)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20Hz to 30kHz\u003c\/li\u003e\n\u003cli\u003eTotal harmonic distortion: 0.15%\u003c\/li\u003e\n\u003cli\u003eDamping factor: 30\u003c\/li\u003e\n\u003cli\u003eInput sensitivity: 0.12V\u003c\/li\u003e\n\u003cli\u003eSignal to noise ratio: 85dB\u003c\/li\u003e\n\u003cli\u003eValve complement: 1 x EF86, 1 x ECC83, 2 x EL84, 1 x GZ34\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDimensions (LxWxH): \u003cspan\u003e11-1\/8 x 6-3\/4 x 5-3\/4 inches\u003c\/span\u003e\u003cbr\u003eWeight: 8 Kg\u003cbr\u003eVolts: 100-240v (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":58614309224792,"sku":"OBDM-16058671628632-ZV18","price":1250.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/1987\/8232\/files\/image00001_21651636-0e21-46dc-ab15-ac931f4e6b7c.jpg?v=1790929937","url":"https:\/\/www.odnd.nl\/nl\/products\/heathkit-ma-12-vintage-mono-valve-tube-hi-fi-power-amplifier-serviced-tubes-replaced","provider":"ODND Vintage Audio Dreams","version":"1.0","type":"link"}