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les24preludes replied to the thread The Opamp thread.I have a chi-fi PCM56 DAC and I've started op-amp rolling in it. It has 2 stages of op-amps and comes with four NE5534s. I started with... -
les24preludes replied to the thread NOS DAC better than Nobsound TDA1387??.I bought an extremely cheap PCM56 board and I'm really enjoying it. It could be improved since it uses the onboard op-amp, so I ordered...
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les24preludes replied to the thread The Opamp thread.I've just tested a bunch of op-amps in the output of my V-DAC, which also has the 47uF output cap removed. The V-DAC directly feeds a 2...
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Topping got a lot of turds I'll give you that, but D10s it is not and you can roll the opamp in a snap.
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les24preludes replied to the thread The Opamp thread.Maybe for you, but not for me! My Topping lasted one day, though it was a different model. My DAC has to do classical, opera and jazz...
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les24preludes replied to the thread The Opamp thread.I've already outlined the modifications I made to my V-DAC in the "V-DAC modifications" thread, which is basically to cut out the NE5532...
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les24preludes replied to the thread V-dac modifications.I've already outlined the modifications I made to my V-DAC, which is basically to cut out the NE5532 and replace it with a DIP8 socket...
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les24preludes replied to the thread Burson V7 Classic Pro and V7 Vivid Pro - Hi-Fi audiophile solid-state op-amps.Can you say why? Have you used and listened to the list of 7 op-amps I gave as alternatives, or any of them? That would help. The thing...
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les24preludes replied to the thread Burson V7 Classic Pro and V7 Vivid Pro - Hi-Fi audiophile solid-state op-amps.Output of my Musical Fidelity V-DAC. I also removed the output 47uF capacitor because it feeds a valve stage with cap coupling.
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les24preludes replied to the thread Burson V7 Classic Pro and V7 Vivid Pro - Hi-Fi audiophile solid-state op-amps.I can't decide whether to put my money into a V7 Classic of Vivid, or a selection of the best ordinary op-amps. My selection would be...
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les24preludes replied to the thread The Reference 6J5 Thread (L63, 6C5, 12J5, 6P5, etc.).Going back to 37 and 76 tubes, I have quite a few but the real gems are the 2.5V heater ones - the 56 and the 27 mesh. I guess these...
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les24preludes replied to the thread V-dac modifications.I'm enjoying my modified V-DAC. I'm now using it with a V-Link for USB out of my Mac. Then SPDIF out into the V-DAC. I have the V-PSU at...
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les24preludes replied to the thread V-dac modifications.Some progress. Out of my Mac Pro 2012 the sound is much smoother using the Toslink out. So that's staying unless I get better results...
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les24preludes replied to the thread V-dac modifications.I removed the 47uF output caps and the sound is a bit cleaner, rather than smooth and a little dull. But the quality isn't really there...
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les24preludes replied to the thread V-dac modifications.I had a look at the PCB and measured the resistors on the output. The op-amp is JRC NE5532DD not OPA2132 as in schematic. I've added the...
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