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EESL57 replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.Yes, you can measure with a decent multimeter like Fluke or similar in AC volts and check the frequency as well, here you can see it...
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EESL57 replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.In your case I would initially check if there is sound in the I/V converter resistors when you execute a test signal, for example 1khz...
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EESL57 reacted to b0bb's post in the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact? with Like.Minor mod for the RCA output. 33nF 160V 1% Vishay MKP1837 Extended foil polypropylene. PP caps improve the imaging and detail of the...
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EESL57 replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.I can assure you with knowledge and with many comparisons of dacs in the current market, that a well-tuned LKS004, is at the level $...
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EESL57 replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.B0bb you have a restless soul, you always seek to improve, thank you for sharing your new projects
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EESL57 reacted to b0bb's post in the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact? with Like.Supercap buffer prototype, uses the LTC4425 linear supercap controller, no switched mode controller. 2x15F Eaton TV-series supercap...
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EESL57 replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.I bought these, are shielded 470nH...
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EESL57 reacted to b0bb's post in the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact? with Like.4.7uF Panasonic Polypropylene. https://www.mouser.com/ProductDetail/panasonic/ecw-fd2w475jb/?qs=9JuRDuJWUh8Qp3Xb43bNnA%3D%3D
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EESL57 reacted to Xoverman's post in the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact? with Like.Great idea putting the rectifier diodes under the PCB to have space for the capacitors.
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EESL57 replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.It is in the burn-out period, the positions were corrected for the LT regulator adjustment components, 1uf / 63v capacitors installed...
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EESL57 replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.Ok thanks, I did not know about this condenser, I will install them in that place, I will have patience in the burning process.
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EESL57 reacted to b0bb's post in the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact? with Like.The large caps will take a while to settle down. Sound quality from the DAC will alternate between good and bad for a few weeks during...
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EESL57 replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.Yes, right, that resistance should be behind in smd pads, I will correct it, the capacitor is soldered on the bottom side, I will put...
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EESL57 reacted to b0bb's post in the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact? with Like.The reference resistor is high impedance, move it closer to the regulator reference pin to reduce noise pickup. Add the bypass cap in...
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EESL57 replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.Some summer upgrades before tackling the "external power supply" project, all based on B0bb's recommendations from a few months ago...
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