{"product_id":"graaf-gm-20-otl-vacuum-tube-class-a-amplifier-with-6c33c-spare-tubes-serviced","title":"GRAAF GM 20 OTL Vacuum Tube Class A Amplifier with 6C33c Spare Tubes - Serviced","description":"\u003cp\u003eFor sale: GRAAF GM 20 OTL Vacuum Tube Power Amplifier with 4x6C33c Spare Tubes - Fully Serviced\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e \u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003e'' Due to the weight being 20\/30KG or above, please ask us for a shipping quote before buying to get the best rates and options, currently shown shipping is estimated''\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e \u003cbr\u003e\u003cbr\u003eCondition: Tested and fully working. Fully serviced with new tubes and quiescent calibrated. In excellent condition with just a couple of minor scratches on the body at the rear side. Comes with installed NOS tubes and additional 2 matched pairs of 6C33c tubes as spare.  We bought spare tubes. Because these are rare. Might the tubes need to be replaced after some years. You can still enjoy the tube sounds, with the same tubes made with matching numbers.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e''Important note when tested: When we find there's either a small thing wrong, or not 100% working we offer our listings for parts or repair to avoid unwanted issues after purchase''\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003eSpecs:\u003cbr\u003e\u003cbr\u003eOutput power :    20 W + 20 W RMS\u003cbr\u003e\u003cbr\u003eOutput Impedance :    8 ÷ 16 ohms - 4 ÷ 16 ohms mono\u003cbr\u003e\u003cbr\u003eInput Sensivity :    600 mV\u003cbr\u003e\u003cbr\u003eInput Impedance :    50 Kohms\u003cbr\u003e\u003cbr\u003eTotal Harmonic Distortion(THD):    \u0026lt; 0,4% - 1 W\u003cbr\u003e\u003cbr\u003eNoise\/Signal Ratio    \u003cbr\u003e\u003cbr\u003elineare 85 dB pesato 95 dB A\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCMRR:    \u003cbr\u003e\u003cbr\u003e60 dB\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eFrequency Response :  1 Hz - 350 KHz (-3 dB)\u003cbr\u003e\u003cbr\u003eDamping Factor :    4\u003cbr\u003e\u003cbr\u003eNegative Feedback :    6 dB\u003cbr\u003e\u003cbr\u003ePower Requirements:    105 ÷ 120 \/ 210 ÷ 240 V (50 ÷ 60 Hz)\u003cbr\u003e\u003cbr\u003ePower use :    in riposo 450W\u003cbr\u003e\u003cbr\u003eDimensions (LxBxH):    35x44X22 cm\u003cbr\u003e\u003cbr\u003eWeight:    22 Kg\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eVolts: 110-240v (in case of only 230v. in USA you will need a adapter)\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003eWorking condition: Fully working  (See pictures for the cosmetic condition of this lot)\u003cbr\u003e\u003cbr\u003eMissing or damages: Minor Usage Marks \u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003eComes without fixed\/factory power cable. \u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003eWe ship worldwide.\u003cbr\u003e\u003cbr\u003e-Shipping in the EU up to 30 KG (max)\u003cbr\u003e\u003cbr\u003e-Shipping outside of the EU up to 20 KG (max)\u003cbr\u003e\u003cbr\u003e''We offer combine shipping (EU 30KG max, NON EU 20KG max) for all our listings, ask us for details''\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\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\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003ePicking up the item is also possible. It can be picked up in Alkmaar \u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003eDelivery by us is also possible in some cases. Please reach out to us for more information about deliveries \u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003eState of listing: If a listing is listed ''for parts or not working'' returns are not accepted.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eWhen we offer our products with the notice ''Serviced'' or ''Fully serviced'' that means the device is either lightly ''serviced'' with a new belt, and cleaned the pots, Or ''Fully serviced'' recapped, Quiescent current adjusted etc as expected from a full service     \u003c\/p\u003e","brand":"GRAAF","offers":[{"title":"Default Title","offer_id":56752222273880,"sku":"MTRENE-10734-BOVEN-EBR","price":3600.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/1987\/8232\/files\/gm-20-otl-vacuum-tube-power-amplifier-with-4x6c33c-spare-tubes-graaf-vacuum-tube-power-amplifier-with-2-pairs-of-spare-tubes-68dbcc744ca2d_830e8efd-b443-4cdd-97ea-7ce5386ad534.jpg?v=1779881470","url":"https:\/\/www.odnd.nl\/products\/graaf-gm-20-otl-vacuum-tube-class-a-amplifier-with-6c33c-spare-tubes-serviced","provider":"ODND Vintage Audio Dreams","version":"1.0","type":"link"}