Musical stereo headphone amplifier RA-1 PCB 1piece !

Musical stereo headphone amplifier RA-1 PCB 1piece !
Musical stereo headphone amplifier RA-1 PCB 1piece !
Musical stereo headphone amplifier RA-1 PCB 1piece !
Musical stereo headphone amplifier RA-1 PCB 1piece !

Musical stereo headphone amplifier RA-1 PCB 1piece !

Musical stereo headphone amplifier RA-1 PCB 1piece ! This is a bare board of a very musical headphone amplifier. The amplifier circuit is based on the famous and popular Grado RA-1. The circuit was designed around a high current opamp NJM4556AD. We have done more than one incarnation of this circuit, and for this board it is designed with sufficient space for diyers to work on and tweak the sound to their preference.. Condition:: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions : Brand: : Unbranded/Generic , MPN: : Does not apply: UPC: : Does not apply .

Musical stereo headphone amplifier RA-1 PCB 1piece !

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