After I released the measurements of the Holo Audio Spring DAC, something interesting happened.
The reason was because I was wrong about the version --- I measured Spring Lv2 instead of what I thought and declared Spring 2 Lv2.When the developer found me and told me this mistake. I was surprised that Spring could have excellent measurements.And tell him: I am curious how good the measurement results of Spring 2 will be?
The developer told me very lightly: Spring2's measurement is indeed better, but you should measure my new product: May
So on this kind of cold rainy day. I received this product.
This is a commemorative prototype, and the color scheme of the shell is said to be slightly different from the official release. But the developers assured me that the quality is the same as the retail version. I also asked the developer for the price. This is an expensive product with a price of about 4000USD +
It's a split model, which means that the power box (lower) and DAC (upper) are separated. I'm talking to the developer about opening these cases to get some internal photos.
Ah how shameless—These mundane developers explain the ways in which discrete R2R measurements are bad.
They say that discrete R2R cannot be measured with measurements, yes,
But it was actually themselves, in their reckless way.
Compound their pains beyond their proper share.
Ok now this is the measurement result
Dashboard:
D-R:
Filters：
J-Test:
One more thing：
The developer told me that May's PLL is very powerful
So I did the following measurements：
I added 1KHZ sine wave jitter from 10ps to 1.5us And measure 1KHZ THD+N.Jitter without PLL will directly affect the harmonics of 2KHZ
I was surprised to see the results that were almost immune to Jitter!
How about J-Test?
I added 1us 1KHZ sine wave jitter(the green one) .
It's AWESOME！
After the PLL eliminated jitter, not only did we not see a significant increase in side lobes, even the main lobe width did not increase!
Here's what I told the developers after measuring：
“It is my pleasure to be able to measure such products, not only because of the measurement results, but also because of the effort behind these results. I always think that it is good to make a chip DAC into a chip data sheet level, but it is worthy of making products beyond the data sheet.
May is a product I consider respectable.”
The reason was because I was wrong about the version --- I measured Spring Lv2 instead of what I thought and declared Spring 2 Lv2.When the developer found me and told me this mistake. I was surprised that Spring could have excellent measurements.And tell him: I am curious how good the measurement results of Spring 2 will be?
The developer told me very lightly: Spring2's measurement is indeed better, but you should measure my new product: May
So on this kind of cold rainy day. I received this product.
This is a commemorative prototype, and the color scheme of the shell is said to be slightly different from the official release. But the developers assured me that the quality is the same as the retail version. I also asked the developer for the price. This is an expensive product with a price of about 4000USD +
It's a split model, which means that the power box (lower) and DAC (upper) are separated. I'm talking to the developer about opening these cases to get some internal photos.
Ah how shameless—These mundane developers explain the ways in which discrete R2R measurements are bad.
They say that discrete R2R cannot be measured with measurements, yes,
But it was actually themselves, in their reckless way.
Compound their pains beyond their proper share.
Ok now this is the measurement result
Dashboard:
D-R:
Filters：
J-Test:
One more thing：
The developer told me that May's PLL is very powerful
So I did the following measurements：
I added 1KHZ sine wave jitter from 10ps to 1.5us And measure 1KHZ THD+N.Jitter without PLL will directly affect the harmonics of 2KHZ
I was surprised to see the results that were almost immune to Jitter!
How about J-Test?
I added 1us 1KHZ sine wave jitter(the green one) .
It's AWESOME！
After the PLL eliminated jitter, not only did we not see a significant increase in side lobes, even the main lobe width did not increase!
Here's what I told the developers after measuring：
“It is my pleasure to be able to measure such products, not only because of the measurement results, but also because of the effort behind these results. I always think that it is good to make a chip DAC into a chip data sheet level, but it is worthy of making products beyond the data sheet.
May is a product I consider respectable.”
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Probably the best-measuring R2R DAC I've seen. Is this available for sale yet?
