Headphone Amplifier DIY Kit Refer To Grado RA1 For Head-Fi,Classic Circuit Good Sounding

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Headphone Amplifier DIY Kit Ref Grado RA1 For Head-Fi,The circuit is composed with only few components,But the sound of the Grado RA1 is amazing.

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$16.00

Headphone Amplifier DIY Kit Refer To Grado RA1 For Head-Fi,Classic Circuit Good Sounding

Sold as DIY kit, Assembled product is available if you want.

Up for sale is a headphone amplifier DIY kit based on Gradeo RA1,The circuit is quite simple but the sound can be very good, It can be tuned according to character of headphone or personal  favor of listenning,It can be powered with DC 18V to 24V or two 9V batteries in series connection(with center tap).

 

Note:

  1. Two sets of resistor included, One is for 1DB gain for low impedance headphone from 8 Ohm to 32Ohm,Another is for high impedance headphone greater than 32 Ohm.

Packing List:

  • One headphone amplifier DIY kit refer to Gradeo RA1.

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