PA5 Review by Daschund

[WileeCoyote]

A dogs ear doesn't lie. Looks like the Topping PA5+E50 stack is putting out detail she has never heard before

 

[iLoveCats]

Thats funny, I replaced a NAD M10 that the dogs have been listening to for years with a Topping D90SE and PA5. I also saw the same behavior initially. The Pomeranian ignores it now but it was different enough to acknowledge.

 

[Rewind]

Must be the new switching supply noise only detectable by canines.

 

[staticV3]

Must be the new switching supply noise only detectable by canines.

At 600kHz, unlikely.

 

[MRC01]

Some switching supplies are in the 100 kHz range, which bats can hear.

 

[Rewind]

I can hear it, but that could be coil whine.

 

[Doodski]

Some switching supplies are in the 100 kHz range, which bats can hear.

I've worked on thousands of PWM power supplies that switched around 50kHz +/-. It's not or was not uncommon.

 

[Rewind]

«The average adult human cannot hear sounds above 20,000 Hertz (Hz), although young children can hear higher. (Hertz is a measure of the frequency of a sound, and the higher the frequency, the higher pitched the sound.) Dogs, on the other hand, can hear sounds as high as 47,000 to 65,000 Hz. These are sounds far too high-pitched for us.

In addition, at high frequencies dogs can detect much softer sounds than we can. The loudness or intensity of a sound is measured in decibels (dB) with 0 dB being the average intensity of a sound that can just barely be heard by a young human. So, sounds too quiet for humans to hear are given a negative decibel rating.» -A kennel association

 

[egellings]

A dogs ear doesn't lie. Looks like the Topping PA5+E50 stack is putting out detail she has never heard before

Nice wiener.

 

[andrewjohn007]

Maybe the dog is picking up on the subtle, yet developing left channel problems?

 

[WileeCoyote]

Maybe the dog is picking up on the subtle, yet developing left channel problems?

Been 3 months all good so far… I’ll report again in another 3 months

 

[Adis]

Dachshund, not Daschund.