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TDA1541A Diy Pcb - "Distinction-1541 v2"
TDA1541A Diy Pcb - "Distinction-1541 v2"
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Old 18th September 2015, 07:16 AM   #21
ryanj is offline ryanj  Australia
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TDA1541A Diy Pcb - "Distinction-1541 v2"
Thanks Walter,

Yeah, I'll keep my V1.0 board populated for a comparison even though it will be like comparing apples to oranges - still it will show just how different the 1541 can sound when implemented differently. Although it's always had a certain level of musical pizazz about it regardlessly.

Ryan
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Old 30th September 2015, 01:08 PM   #22
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TDA1541A Diy Pcb - "Distinction-1541 v2"
Default Update

Prototype ordered!

Made a few amendments, and went over the schematics and pin outs a few more times this week just to make sure before I made the order. Although changes can and probably will be made before the final run. For the prototype I had to change the stripline thickness to suit the standard stackup the manufacturer offered to get correct impedance. Should be about 2 weeks or so till they arrive. Time to order some parts.



Ryan
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Old 30th September 2015, 01:26 PM   #23
Peterma is offline Peterma  Australia
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great really looking forward to try it
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Old 30th September 2015, 01:31 PM   #24
ryanj is offline ryanj  Australia
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TDA1541A Diy Pcb - "Distinction-1541 v2"
Hi Peterma,

Me too, still a bit of work ahead though. I'll keep you posted.

Ryan
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Old 30th September 2015, 07:53 PM   #25
Luke is offline Luke  New Zealand
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hi Ryan, nice work. Can you post an updated schematic, and a BOM? I would like to order some parts.
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Old 1st October 2015, 09:06 AM   #26
ryanj is offline ryanj  Australia
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TDA1541A Diy Pcb - "Distinction-1541 v2"
Hi Luke,

Once I've tested the design and all is well, I'll finalise the schematics and BOM. The shunt regs are basically what I posted earlier though. Recently I added the 2220 pads for the 22uF films and 1812 pads for the 10uF films (Rubycon ST). Also added the inductor with DC resistance of about 9 ohms, 3.3mH in place of the current sensing resistor in the CCS.

Cheers.
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Old 1st October 2015, 09:30 AM   #27
Luke is offline Luke  New Zealand
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Well hurry up, my dollars declining and its gonna hurt when I finally get this order out
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Old 1st October 2015, 09:53 AM   #28
ryanj is offline ryanj  Australia
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TDA1541A Diy Pcb - "Distinction-1541 v2"
I feel your pain! It will still be worth it though.
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Old 1st October 2015, 10:33 AM   #29
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I've subscribed to this thread and will be eagerly awaiting the board official release. Have fair few 1541's that need to find home. Once they settle-in and unpack, I am pretty sure there will be people I know who'll appreciate the sound (paired with WaveIO...maybe...)

Nick
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Old 1st October 2015, 10:41 AM   #30
ryanj is offline ryanj  Australia
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TDA1541A Diy Pcb - "Distinction-1541 v2"
Hi Nick,

WaveIO is definitely a good option. I would recommend getting your hands on Ian Canada's I2S to PCM converter if you can. Running the 1541 in simultaneous mode only improves things.

Cheers
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