ONE ultra-rare Maihak V53 amplifier serial # 121 German broadcasting complete, all original, with German branded OEM tubes, transformers all tested good. First manufactured in 1949, this amp has serial number 121, ie early production. Uses 2x EL11, 2x EZ12, EZ12 rect. No rust, just typical minor pitting on chassis, given the >70 years of age. All switches function as they should, Wiring original. Weighing 7kg net (before crating, boxing). 220 Volts 50/60Hz. This amplifier is being offered as used and sold as defect (as not used or set up before), as a historical unit its for the collector but should be great to use with a DIY power supply. The V53 came before the ingenious V69 from Telefunken. But pundits say that the V53 has more refined sound and is absolutely perfect mate for rather efficient loudspeakers. More info here: www.radiomuseum.org/r/maihak_lautsprecher_verstaerker.html Have manual for winning bidder. You only buy what you see in pics. Private sale hence no guarantee.

Programming: 1. The screen of the program is copied(.bin file) to the usb drive.  2. Insert USB Flash disk to the USB port on the board 3. Connected to the keypad, electricity again, until you see by the indicator lights on the keypad after flashing in red and green, until after the indicator light flashing, unplug the power, then pull out USB Flash disk, afresh power on.(Note that write programs do not power outages, crashing wont be able to use)   Specification: Model: LLV53 Scheme of the chip: TSUMV53 Input Interface: PC / HD-compatible / TV / USB multimedia playing Voltage: Single 12 V Screen interface: LVDS Single 6 / 8 , Double 6 / 8 Screen voltage: 3.3V / 5V / 12V Resolution: Support high screen 1920 * 1080, 15-42 inch LVDS screen Burning method: to record the screen program in the USB flash disk, USB flash disk inserted into board, plug in the keypad, electricity; About after a few seconds, press the keypad lights start alternating red and green flash, flash lights began to write programs (please do not power), light in the slow flash first, after a slow flash flash, will speed up the quick flash, long after the last until the lights stop flashing light is the program written, electricity burn with USB flash disk to complete the program. Not only USB interface can be used to upgrade programs, but also can use to play video, basically formats are supported. You can also set a boot display pictures or LOGO Notice: 1. The power requirement of 12V4A 2. Screen voltage jump line according to the working voltage of screen jump to the corresponding position 3. Use to adapt to the board of general screen line 4. The screen line not to reverse and dislocation Package included: 1 x V53 Controller Board Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement. Payment must be received within 7 business days of auction closing. No combine postage discount We will ship the package within 3 business days after the payment cleared. We ship to Ebay address, and please make sure your ebay address correct before purchase. Order placed on weekend or holiday will be shipped on Monday or next working day. 1.As the Customs clearance process is different in different countries,if such kind of goods need be collected tariff buyer needs to pay for the tariff. Anyway we will try our best to avoid this kind of thing. 2.We accept exchange/replace item within 30 days when customer receive merchandise. Buyer will pay the return shipping cost regardless any reasons. No exception. Unwanted product returns will be subject to a 15% restocking fee and merchandise must be in the unused condition only. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help Our aim is to provide Top Level Customer Service, so we will try our best to solve any problem. Please DONT leave negative or neutral feedback if you havent received item in 30 days, because we have mentioned the shipping time repeatedly. We accept return within 30 days since you received your package. Please contact us for return or refund. Our working time: Monday- Saturday (Greenwich Time 2:30A.M-11:30A.M ) ( Pacific Time:6:30P.M-3:30A.M) Please only use Ebay message to contact us (my ebay-won items-contact seller) All messages will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your email and we will reply to you as soon as possible.