Rank: Member
Groups: Member
Joined: 3/2/2010(UTC) Posts: 3
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Hi, I had made my order several days before and sent you a mail. However, no reply was noted. Please chekc your e-mail and ship my goods as soon as possible. Thank you. By the way, I have some questions about Opus DAc output stage. I want to using opus in dual-mono mode with single end output without any buffer or OP. Below is my plan. 1.Just connect +and GND with 6dB decreased, like this 2.Using Lundahl transformer. Do you have any suggestion about using transformer, about schematic? Thanks
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Rank: Administration
Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN
Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)
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Just use the DAC as a voltage source into a transformer.
No need for caps as you would have have the output of the DAC connected the GND in any way.
If you search on this forum you will see it has been done.
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Rank: Member
Groups: Member
Joined: 3/2/2010(UTC) Posts: 3
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Thanks for your quick reply. How about the condition of my order? About pictures shown the schematic of SE output without buffer, is it correct? Thank you
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Rank: Member
Groups: Member
Joined: 3/2/2010(UTC) Posts: 3
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Hi, Russ Could you answer my question about the status of my order? I had made my order on 2/26 and paid the money via paypal. However, 7 days later, no more information was available. What happened? PayPal Transaction ID#: 7BP63473SG567901P
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Rank: Administration
Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN
Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)
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Hi Jessie, Have no fear. Your order is being processed. It takes some time to put together the modules. Brian is pretty busy with the current backlog of Buffalo II orders. Please be patient. You would get better results emailing for order status. Brian would not check the forums for such things. Your schematic is not correct. You do not want to drive the outputs to GND. Simply take the in phase output and GND. Leave the anti-phase outputs floating. Cheers! Russ Edited by user Thursday, March 4, 2010 8:53:31 AM(UTC)
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Rank: Administration
Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 2,868 Location: Massachusetts, USA
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Sorry, your order is actually shipping today.
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