I live in Australia and checked the shipping, would be over half the cost, so dunno if I`ll bother, know of any similar products which work as well that i'd have better luck getting locally?
Thanks
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I live in Australia and checked the shipping, would be over half the cost, so dunno if I`ll bother, know of any similar products which work as well that i'd have better luck getting locally?
Thanks
I guess I'm stuck with the caps off, then. I am solder/circuit board challenged:)Quote:
Originally Posted by leo
Not a bad place to be, though. The OPA2132 in the line-out and NE5532 in the Headphone socket with MLC5/6 clipped is the most balanced I've had in my system.
CD
Hi, to all community of forum.
I have a couple of questions about 7520' mods.
a) If I replace the BB PCM1716 with the Wolfson 8716, the dac will be capable to play 192KHz sampling flac audio files?
b) the caiman is capable to this?
Sorry for my english...
No, it'll do up to 24/96, the Wolfson chip is rated up to 192k but the input receiver supplying the dac in the Caiman accepts up to 96
Thanks for the info.
Is there any CS8414 equivalent to achieve 192KHz? Like CS8416, BB_PCM1796 or BB_DSD1792?
Theres no pin compatible 192k receiver to the CS8414 (that I know of anyway)
Thanks for the info Leo...
Just I transfered the Wolfson DAC 8716 to my 7520!
Difficult job, but I am very happy for the result.
http://theartofsound.net/forum/attac...1&d=1255550769
My modifications to the TC-7510 and TC-7520.
I started with the opamp modification, removed the ceramic feedback capacitors, and so on.. It did improve the sound.
I read about experiments with better capacitors around the opamp. So, when there is a difference between capacitors then no capacitor should be even better. I removed the output capacitor. The output has then a DC voltage level of 5V. I checked the input circuit of my amplifier. It is directly coupled tube input. I took the risk and connected it directly to the output of the opamp. The sound improved a lot!
At the input of the opamp there is still a bad coupling capacitor! According the datasheet of the DAC, it is capable driving the amplifier directly! The only drawback is that you lose gain of 6dB, half the signal level. When that is no problem you can completely remove (skip) the opamp. That is always better then the best opamp!
If you want to play it safe then you only need one good capacitor at the output of the DAC. I have modified the output connectors and connected both, one in front of the capacitor, directly at the output of the DAC, and one after the capacitor. This way I can easily compare them. It is really a lot better without any capacitor!
Finally I replaced the PCM1716 with the WM8716.
http://img687.imageshack.us/img687/7742/p1120734.th.jpg
Hmm, I think so that is something like this (look at posts 1425, 1430 and 1432).
I have the same opinion, about this. :)
What are the characteristics of capacitors?
Be very careful with DC offsets, an amp may have input coupling caps but normally this is after the vol pot, its not recommended to have DC on the carbon tracks