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MiriDIY / Indeed Hi Fi Tube Headphone Amp / Pre-Amp / Buffer

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Miridiy G3 – Class A Hybrid Headphone/Pre-amp



Miridiy Class A Hybrid Headphone/Pre-Amplifier

It is a high value and cute headphone amplifier hook up to your PC / Mp3 /MP4/ ipod / any stereo device. You can have a powerful, dynamic and sweet TUBE SOUND from your headphone ! You’ll be astounded at the improvement in sound quality, dynamic range, meticulous transparency, completely demonstrate its high performance and analytical ability, it can also connect with power amplifier such as a high performance pre amplifier to improve your Hi Fi system.

It a prefect match with the mini power amp Miu Audio MKP-1 as well as to all other mini integrated amplifier of your choice. Pre-amp helps to give extra gain to the power of your amplifier should you think their power is not enough

Pure Class A Headphone Amplifier & Pre Amplifier

Hybrid ! Valve & MOS-FET in Use!!

Without any OP amp IC inside!!!

Audiophile Performance Design Absolutely!!!

G3, it has improve from last version which was OEM to Indeed-Hi Fi (G2 Valve Class A Hybrid Headphone/Pre-Amplifier). And alot of copy and similar product following them, so they are also keep a distance with our technical skill.We have modified to generation III now, so that we call it G3.

Easy to change the tubes with jumper on PCB (bias adjust is necessary), 6 series for 6DJ8/6922/ECC88/6N11/6N23P; 12 series for ECC82/12AU7/12AT7/6N4……

Selling at $150 (standard EH6922 tube), $165 (with Gold EH6922 tube)




MiriDIY B5 Tube Buffer


Transform your CD player to be a Tube CD player! Transform your DAC to be a Tube DAC! Give the extra warmness to the sounding. Affordable Tube buffer and Fun to play!


Connection : CD / DAC / other audio source -> B5 Buffer – > Amplifier

B5 tube buffer / gall preamp gain is approximately equal to 0dB.

It has very low distortion , so that your system has a very clean sound and better dynamic range

Can effectively filter out the remaining digital audio signal and give comfortable smooth sweet and mellow warm sounding

a) Changeable with series for 6DJ8/6922/ECC88/6N11/6N23P (plug and play);

12 series for ECC82/12AU7/12AT7/6N4 (with changing of jumper and need professional equipment to adjust the voltage if change to 12 series)

Selling at $145 (with standard EH6922 Tube, $160 (with Gold EH6922 tube)

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