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Sabaj D5 - Owners' Thread

i did al that
Kenny_Z said:
There is a power selector in the back. It's usually covered by a sticker. Most likely the selector is in the right position but still check it.
Click to expand...
i did all of that nothing helps . did check fuse too its acting like a dead brick
 
Just circling back on the issue that @georgek558 was experiencing with the Sabaj D5. Turns out it was a blown fuse.
For anyone else that might run into this problem: the Sabaj D5 uses 0.5 Amp / 250V fuses.
 
Glad he got it working.. How can a brand new product have a blown fuse tho
 
i have another problem tho it seems that i cant get full power from xlr output my headphones are hifiman edition xs which is 92 db 18 ohm and sabaj has more than enough power to drive them but it fails also there is not much difference from using 6.35mm output
 
My D5 drives a pair of HiFiMan HE400i's, the 2015 version. Comparing the key specs:

Impedance​
Sensitivity​
FR​
HE400i (v2015)
35Ω​
93dB​
20Hz-35KHz​
Edition XS
18Ω​
92dB​
8Hz-50kHz​

From my experience I can just barely drive my HE400i's to full volume (for my ears at least) when using PEQ via the 1/4 headphone jack. If I really want ear-splitting levels I have to switch over to the XLR headphone out.

That said I don't know much about headphone specs, so I don't know if your Edition XS's -- because of the differences in impedance and sensitivity -- are somehow that much harder to drive than a pair of HE400i's. Or if the power required to drive these two is not that much different, then is there potentially an issue with your D5, your power source, your XLR cable, etc?

Obviously some of the best headphone amps that Amir has reviewed deliver significantly more power than the D5; it's not a standout amp in that regard. The Monoprice THX 887, for example, can drive 3.7 watts (50 Ohm load via XLR, on High gain). That's almost triple what the D5 can do for a 50 Ohm load via XLR.

887vsD5.png
 
RickSanchez said:
My D5 drives a pair of HiFiMan HE400i's, the 2015 version. Comparing the key specs:

Impedance​
Sensitivity​
FR​
HE400i (v2015)
35Ω​
93dB​
20Hz-35KHz​
Edition XS
18Ω​
92dB​
8Hz-50kHz​

From my experience I can just barely drive my HE400i's to full volume (for my ears at least) when using PEQ via the 1/4 headphone jack. If I really want ear-splitting levels I have to switch over to the XLR headphone out.

That said I don't know much about headphone specs, so I don't know if your Edition XS's -- because of the differences in impedance and sensitivity -- are somehow that much harder to drive than a pair of HE400i's. Or if the power required to drive these two is not that much different, then is there potentially an issue with your D5, your power source, your XLR cable, etc?

Obviously some of the best headphone amps that Amir has reviewed deliver significantly more power than the D5; it's not a standout amp in that regard. The Monoprice THX 887, for example, can drive 3.7 watts (50 Ohm load via XLR, on High gain). That's almost triple what the D5 can do for a 50 Ohm load via XLR.

View attachment 176554
Click to expand...
ok thanks if buy amp can i use d5 as dac only
 
georgek558 said:
ok thanks if buy amp can i use d5 as dac only
Click to expand...

Yes, easily. If you go that route one consideration is to get an amp with balanced (XLR) inputs, and use XLR interconnects between the D5 and the headphone amp. You certainly don’t have to do this, but using balanced connections between the two devices can help resolve ground loop issues that might exist.
 
RickSanchez said:
Yes, easily. If you go that route one consideration is to get an amp with balanced (XLR) inputs, and use XLR interconnects between the D5 and the headphone amp. You certainly don’t have to do this, but using balanced connections between the two devices can help resolve ground loop issues that might exist.
Click to expand...
thank you i will write if i will buy amp
 
You may need to open a separate thread and/or research how reconstruction filters work in DACs. It is well beyond my technical expertise but there are many folks on ASR that can help. A couple places to start:
Some things to consider:
  • For some (many?) of us the use of one filter vs. another would not make an audible difference. The audio content we're listening to may not have much -- if any -- energy above, say, 18kHz. And most people don't have "golden ears" where they can hear up to 20kHz, or anywhere close to that.
  • To be safe you'll probably want to use a filter that is flat to 20kHz. Otherwise the drop off may be audible because it's in the audible band.
  • Again, not my area of expertise but I believe the "best" filters are the ones that roll off to a level of ~90dB down by the 22.05kHz point.
For me personally I use the "Apodizing" filter (the one in dark blue below) because it seems to be the most accurate from a measurement perspective: mostly flat to 20kHz and then a steep rolloff to 22.05kHz. That said I can't hear the difference between the filters.

1641305365309.png
 
RickSanchez said:
Just circling back on the issue that @georgek558 was experiencing with the Sabaj D5. Turns out it was a blown fuse.
For anyone else that might run into this problem: the Sabaj D5 uses 0.5 Amp / 250V fuses.
Click to expand...
Something so simple that sometimes we just forget it exists.
Any chance this unit was plugged on the 220V while set to 110V?
 
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