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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@Xoverman I cannot attest solely to the sonic differences of only the 1.3v regs versus the 1.2v regs. I made the voltage change to...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@leondikim Yes, I have been running at 1.3v using the Belleson regulators. I think I've got a couple of months on the modifications...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@b0bb - I'm assuming that cset cap value is at the lower end (0.47uF) with a start up time of under 50ms (3.3v instead of 5V). LT3042...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@b0bb Just for clarification, the LT3042 (200ma) [regulator "B"] supplies 3.3V to the XO (120ma for Pulsar XO) and supplies 3.3v to the...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@b0bb * Does the LT1963A/LT1764A (A) only supply power to the XO regulator (B)? * What supplies power to the LT1963A/LT1764A...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@leondikim - If I'm understanding correctly, you changed components A and B (circled in yellow) of the photo below to LT1431. I believe...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@b0bb, Did you electrically isolate the 1.3v regulators from the heatsinks? Do you happen to know the width (mm) of the heatsinks you...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@b0bb, Did you change back to the copper heat sinks for the 1.3 regulators or is this an older photo?
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@b0bb - How did you connect the input on the Gen1 board?
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@b0bb - Would you recommend moving the C3/C4 input bypass smd caps onto the Belleson board at the input or would it just be of marginal...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@b0bb - A few questions regarding upgrading to 1.3v on the Gen2 board: 1) Any reason to leave the C1/R1, C2/R2 pairs on the board after...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.I replaced the inductors but didn't do an A/B comparison prior to upgrading the power supply section.
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@b0bb - What series FP cap did you use for the 47uf? RNS or RNU? Is the 68uf RR7 too much output capacitance for the Belleson...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.@b0bb I might replace the 1.5" heat sinks with 2" heat sinks to add surface area. I haven't been able to find any good copper...
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Monolithic replied to the thread L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?.Those are the 1.1A @ 120mOhms that I originally listed. They are 60% the height of the original inductors (0.5mm vs 0.9mm). Also take...
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