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Old 23rd March 2014, 08:33 AM   #1
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Default 1543 8x

Hi I wonder if anyone has experience with this DAC from Rainbow on ebay? I just ordered it and will start building and wonder if anyone has had experience.

DAC Kit AD1865N K 1 0k | eBay

What sort of iv stage would be suggested for use on this Dac?
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Old 23rd March 2014, 08:40 AM   #2
ishiru is offline ishiru  Indonesia
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i use passive I/V for my 1545.

or you can use opamp based I/V as stated per datasheet
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Old 23rd March 2014, 08:42 AM   #3
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Sorry, link given above was wrong, It was for DAC TDA1543 8.0U WM8805 NOS DAC Kit
it was taken off ebay when I purchased it, so I assume I purchased the last one in stock: Anyway here are details from Rainbow.

DAC TDA1543 8.0U WM8805 NOS DAC Kit

A traditional design for TDA1543 DAC’s
NOS (non oversampling) and Digital-filter-less Concept

1.) NOS (non oversampling) design, no digital filter
2.) Used 8x TDA1543 chips paralleled with high output to discrete passive I/V conversion circuit
3.) No op-amp will be used as output driver as it's sound clearly indicated
4.) Using WM8805 as digital input receiver
5.) Multi-input with select switch (software control)
BNC (coaxial), USB, optical, and I2S data signal (256fs)
6.) 2 individual regulated power supply for digital and analog section
7.) Short signal path
8.) Power Supply: 0-9.0Vac x 2, 1A
9.) PCB Dimension: 178mm x 105mm x 1.5mm
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Old 23rd March 2014, 08:43 AM   #4
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Thanks, I wonder if Aleph 1.7 preamp board would work as IV stage. I have boards for this already.
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