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David_M's latest activity
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David_M
replied to the thread
Topping A30Pro Review (Balanced Headphone Amp)
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There is no buzz or other kinds of noise on my A30 Pro. It's a very powerful and extremely clean headphone amplifier, able to handle...
Yesterday at 4:26 AM
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David_M
reacted to
HornetMaX's post
in the thread
SMSL DO400 Fully Balanced Audio Decoder & Headphone Amplifier
with
Like
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I'm interested too in knowing if the DO400 HA is balanced or not. Is the Loxjie D40 Pro HA balanced ? In Amirm review of the D40 Pro...
Feb 22, 2024
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David_M
reacted to
trl's post
in the thread
Topping A90 Discrete (A90D) - Teardown and personal thoughts
with
Like
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Thank you Kevin, so @amirm was right in his review that each NFCA module is having 39 transistors inside...I just counted them all now...
Feb 22, 2024
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David_M
reacted to
MRC01's post
in the thread
Topping A90 Discrete (A90D) - Teardown and personal thoughts
with
Like
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Indeed, that is why I mentioned it. A while back I was reviewing & testing some new prototype gear, discovered a spurious 65 kHz tone...
Feb 22, 2024
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David_M
replied to the thread
SMSL DO400 Fully Balanced Audio Decoder & Headphone Amplifier
.
Was thinking of HA specs, which aren't clear if they are for balanced or unbalanced HA output.
Feb 12, 2024
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David_M
reacted to
sailor2005's post
in the thread
SMSL DO400 Fully Balanced Audio Decoder & Headphone Amplifier
with
Like
.
Did you check the SMSL DO400 page? THD+N measurements are listed separately for XLR and RCA outputs. The person claiming the output was...
Feb 12, 2024
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David_M
replied to the thread
SMSL DO400 Fully Balanced Audio Decoder & Headphone Amplifier
.
That explains why the THDN specs don't specify if they are measured from balanced or unbalanced outputs. But many audio devices have...
Feb 8, 2024
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David_M
reacted to
doctor55's post
in the thread
SMSL DO400 Fully Balanced Audio Decoder & Headphone Amplifier
with
Like
.
Good morning everyone, I recently bought the DO400 and I connected to the outputs in both balanced and unbalanced. I expected that in...
Feb 8, 2024
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David_M
reacted to
Scott Lanterman's post
in the thread
Poll: Audio Science Review in the World (2024)
with
Like
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Silicon Valley. It was called the Valley of Hearts Delight around 60 years ago, as shown below. Santa Clara was all small farms and...
Feb 8, 2024
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David_M
replied to the thread
Poll: Audio Science Review in the World (2024)
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A transplant from California (and never to return!) ... but I came here (UML) to start and finish up my PhD in Biomedical Engineering...
Jan 28, 2024
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David_M
reacted to
GeorgeWalk's post
in the thread
Poll: Audio Science Review in the World (2024)
with
Like
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I lived there and went to school there.
Jan 28, 2024
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David_M
reacted to
Hg201's post
in the thread
Poll: Audio Science Review in the World (2024)
with
Like
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New Hampshire, USA
Jan 28, 2024
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David_M
replied to the thread
Poll: Audio Science Review in the World (2024)
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Lowell, Massachusetts (45 - 60 minutes north of Boston), USA
Jan 21, 2024
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David_M
replied to the thread
SMSL DO400 Fully Balanced Audio Decoder & Headphone Amplifier
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1. What is the impedance of your headphones? The DO400 HA provides 6 Watts per channel into 32ohms at ultralow distortion. It can drive...
Jan 7, 2024
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David_M
replied to the thread
Benchmark AHB2 Review (Updated Measurements)
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Finally...an amp that is able to play 20Hz signals at full power without shutting down. Its unfortunate I have to say this but I'm still...
Jan 4, 2024
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