which clock for analogmetric tda1541A dac kit
I have just completed the Analogmetric tda1541A dac kit ( in nos mode ), and it sounds superb.
My question is that the 11.2896 mhz crystal (shiny little metal box ! ) that came with the unit looks like a generic unit ( probably is ok tho ) and it has four pins on the underside that connect thru the pcb. Can I install something like the LC Audio clock 3..or do I need a direct replacement such as the Tent labs vcxo ??, which should slot straight in.:rolleyes:
I think you don't even need to clock in NOS according to schema on the web.
If it is a NOS DAC with SPDIF input, no, it doesn't need a clock. Clock(s) are recovered from SPDIF.
Only if it is integrated in a CD player it does.
A VCXO will not help on this, so no point adding a VCXO, unless you add the required control circuitry.
In order to make this work correctly you actually need to use clocks with high precision of the actual frequency in both transport and DAC. Where clocks are frequency adjusted by the vendor (e.g. LC Audio) rather then selected make sure the clocks come from the same batch.
The other option would be to send this clock to the transport, to slave it to the DAC.
The clock used can be any type that has the required pinout and voltage and yes, clocks that come a s one big PCB like LC Audio and others can be used.
The possibly easiest to install clock is the one I designed for diyhifisupply.com, it comes with adapters that drop in for the common sizes of clocks and crystals and replace them directly and the connected via a twisted pair wire straight to the clock module.
Is there any rule prohibiting a 12 mhz clock for the saa7 ?
( I can't figure out how to connect the transformer to the tda dac !!! , if anyone has the analogmetric transformer please help !)
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