I know this is a long shot, but I have come into possession of a Radiosophy HD100 -- minus AC adapter. They are out of business, I find no active links to a website that would sell them. AND it appears to be a very proprietary 4 prong connector with a rating of 800mA @ 5V dc and 1200mA @ 10.5V (according to posts I've read about it). And apparently the brick gets really piping hot!
Anyone know how I can get one, make one, or simulate one? Or am I better off giving up now and sending it to e-recycling?
Thanks for checking! You'll probably have a lot easier time finding an AC Adapter for that Multistream than I will for this one. It looks like there were two versions of the HD100 (actually it's HD101....mine says both on it). There is a 4 pronged one and 3 pronged one. So weird!
Universal travel ac adapter allows one to charge up his/her gears. In different countries different types of converters are used. But the universal ones are made in such a way so that people can use it anywhere, despite of which country you are heading for (100V-250V-50/60Hz). This is probably the reason why the Universal Travel Adapters are so popular.
The beauty about buying a universal power adapter for your laptop is that when you decide to upgrade to a new laptop, you wont have to worry about having spare incompatible power supply's laying around. You will already have a replacement chord! If you wanted to, you could keep a chord in your car, and one at home. Having a universal power supply will cut down on the wear and tear of future laptops as well!
I have one of these radios and use it daily. It has fallen 6 feet onto a tile floor at least three times, but still looks and sounds fine. I'd like to get another one for the workshop. Today, I had to open it and resolder the pins on the power connector because I keep it pushed up against a wall. Not Radiosophy's fault. The factory supplied adapter does get somewhat hot even with the radio off, so I turn it ON/OFF externally with a wall switch. The radio turns on as soon as AC is applied.
Your best hope is to find someone who can solder and build simple circuits. An old PC power supply could provide 5 and 12 volts. The 12 volt output could be converted to 10.5 with an adjustable 3 terminal regulator. Alternately, a couple of diodes in series would drop the voltage close enough to work. If the 10.5 is only used for the audio amplifier, then it may even work fine on 12 volts. The wires could be run directly to the circuit board- bypassing the power connector.
BTW, the connector looks like a mini-din, but the pins are bigger. It is made by Kycon. Mouser has it for about $6. http://www.mouser.com/ProductDetail/Kycon/KPPX-4P/?qs=Y0vc5luVLxJNKFay3ZyJLw==