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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.
We do air shipping worldwide at US$5.00.
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| Brand : | Unbranded/Generic |
| MPN : | Does not apply |
| UPC : | Does not apply |
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Electronics
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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. Dimension : 96mm x 72mm
Board thickness : 2mm. Copper thickness : 70um - 4 times of normal board copper thickness ! We provide schematic and part list to buyers by EMAIL. We do air shipping worldwide at US$5.00.
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