[HomeBrew] Low power sine wave inverter circuit?

[Ray LaRue]

My station includes a Rane audio mixer and a small SS audio amplifier 
which only requires 120 VAC at about 15 watts max. The rest of my 
station is on a large battery bank, which is kept recharged. The mixer 
and audio PA circuits require + an - 15 VDC. I could modify them with 
external + and - 15 volt power supplies, but think I would prefer to not 
do so and use a single small external DC to AC inverter for both of them.

So, am looking for a _low power 12 VDC to 120 VAC sine wave inverter 
circuit_ to build up, as I do not find a suitable inverter for sale 
online, that after talking with the tech supports reps, doesn't consume 
8 to 10 X that for the inverter's idling current (for 120 to 150 watt 
units).

Anyone know of a suitable answer to the problem?

Your attention is appreciated.
Ray, W4BYG

-- 
"If you want to build a strong house, I'll give you my engineer's number.
If you want to build a strong life, I'll introduce you to my carpenter."
   Lebron and Heather Lackey


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