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#1 |
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diyAudio Member
Join Date: Dec 2005
Location: Shropshire
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On a TEAC VRDS 10
Is it feasable to take the output from the dacs which feed pins 2 & 3 on the Op Amps. Feed this into one OPA627 and use it's output, with a minimum of extra components, to feed a line imput on amplifier? Any suggestions? Also there seems to be a feedback to test 2&3 on the SA7350AGP On the data sheet these are shown as not connected? Thanks |
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#2 |
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diyAudio Member
Join Date: Dec 2002
Location: greece
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if memory serves me right, vrds 10 has two ad1862?.. anyway.. you should find the datasheet of the dac used and implement on a new board the suggested out stage with the 627 *****(take care however; the opa627 IS NO EASY opamp to implement in any layout, much more in a dac...).. i believe, that in an other case, its not sure that you will even reach the performance of the initial dac stage...
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i am currently using 60,000 uF of capacitance in my preamplifier.. |
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#3 |
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DIY !
diyAudio Member
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- has 2 x TDA 1547, (VRDS-25 has 4 x AD1862)
Arne K
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Ars longa, vita brevis |
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