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Project Ember Review
Jan 28, 2014 at 1:58 PM Post #182 of 1,366
gamefreak054 said:
  Sorry for the double post, but if people are looking for tube opinions I made a tube rolling thread after listening to my amp yesterday for several hours. Check it out http://www.head-fi.org/t/702826/project-ember-tube-rolling
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Nice impressions, also just so you are aware, there is another tube rolling thread that has been a bit silent for a while:
 
http://www.head-fi.org/t/641936/project-sunrise-ps2-tube-rolling-thread-and-maybe-even-project-horizon-and-project-ember
 
Jan 28, 2014 at 2:43 PM Post #183 of 1,366
Oh dang I did not see that. I directed mine towards the ember only though (obviously).
 
I also really did not want to stuff all that in one post and it be buried pretty fast. I considered just posting it on here as well.
 
Jan 29, 2014 at 3:58 AM Post #184 of 1,366
gamefreak054 said:
  Oh dang I did not see that. I directed mine towards the ember only though (obviously).
 
I also really did not want to stuff all that in one post and it be buried pretty fast. I considered just posting it on here as well.
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No worries man, it's always good to see more discussion around the Ember. I have to say that you are pretty lucky being able to listen to all the tubes your old man had. I was looking to buy a few of the ones you listed last year but damn, the pricing on some of them is just ridiculous.
 
Jan 29, 2014 at 9:24 AM Post #185 of 1,366
ninjapirate9901 said:
   
No worries man, it's always good to see more discussion around the Ember. I have to say that you are pretty lucky being able to listen to all the tubes your old man had. I was looking to buy a few of the ones you listed last year but damn, the pricing on some of them is just ridiculous.
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Yeah I know. He has been amassing his collection for quite some time now. He loves tube amps and always tells people he is never going back to solid state lol.
 
I could tell he got excited when I started playing around with it. He originally only gave me 5 or 6 tubes to try as he could not use the 12AT7s in anything he has (which means I get to keep the telefunken 
gs1000.gif
). Then I got to about the 4th one and he was like "well maybe you should try this one" and you can kinda see what that led up to. I am pretty sure he has other models, but I tried all of his best tubes.
 
Feb 28, 2014 at 5:13 PM Post #188 of 1,366
Already asked this in the Project Ember vs Schiit Lyr thread but it seems kinda dead so I'll ask again here:
 
Have their been any comparisons between Ember and Lyr based on sound quality and not functionality? I don't really plan on tube-rolling so the ease of removing them won't matter to me much. I know different tubes will change the sound for either but any comparison would be helpful.
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I'll be using one of these to pair with the HE-560 when they are released so I'm trying to decide which one to get beforehand.
 
Feb 28, 2014 at 9:33 PM Post #189 of 1,366
A post in diyah forum hopefully will help sway your decision
biggrin.gif

 
Quote:
After about a week of usage...... I've sold off my lyr without much struggle 
shocked.png
 .... I noticed I've being going more and more toward ember even when I'm using it as a pre-amp and have totally stopped using lyr. The ember as a pre-amp is surprisingly solid, it opens up the soundstage of my amp and has tighter bass control. My speakers have a "bright / sharp" characteristic sound. The ember manages to tame the "brightness / sharpness" a fair bit. (amp = belcanto c5i, speakers = usher s520). Seriously loving this with the siemens e88cc tubes. 

Now if only I can get my hands on a telefunken e88cc tubes to try...
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Read more: http://diyah.boards.net/thread/143?page=24#ixzz2ufnhid9Y
 
  1. I don't have the lyr myself but have compared the ember to other HP amps and IMHO I would take the ember over anything else, even gear costing 2 or 3 times over (SQ wise). But this is personal audio after all so YMMV as preference is still king.
 
Mar 2, 2014 at 2:17 PM Post #190 of 1,366
To digress a bit to 6 volt land:  GE 6DJ8 smoked glass vs Sylvania 6922 vs Voshkod Rocket 6H23.
 
The 6922 (Google research) is considered an upgraded 6DJ8
 
The GE 6DJ8 has a "smoked" glass, which is actually an RF shield--it IS really quiet.
 
The Rocket 6H23 is highly respected in Google research.
 
I used one pair of phones--DT880 and one song--Steely Dan's "AJA". Any SD song is good--they were "infamous" at recording studios for retakes.
 
Bottom line is that all three sounded very close--no winner! I guess part of that is that the Ember has been quoted as making "any tube sound good", however, some sound better than others. I generally prefer 12 volt tubes, but these three compete on an equal level.
 
Next pass is Pink Floyd "Wish You Were Here" and "Dark Side of the Moon" remastered.
 
Mar 8, 2014 at 4:01 AM Post #191 of 1,366
Well, I just ordered a Project Ember with the Super Charger heater option!. My Asgard 2 is great with my IEMs, but a poor match for the Beyer T90. Hopefully with its adjustable output impedance the Ember will be much better at driving the T90s, without sacrificing performance with the IEMs.
 
Mar 8, 2014 at 4:25 AM Post #192 of 1,366
Not many impression comparison between this and Vali (forget the ringing as i dont have any).
Any comparison for high impedance phones?
am I correct to say Vali is better for high impedance and Ember for low impedance orthos?
 
Mar 8, 2014 at 9:25 AM Post #193 of 1,366
Ember has settings for hi and lo gain, as well as three resistance settings that can be changed while listening without having to cut power and change setting, so it is easy to adjust the resistance to better match your phones.  I am using Senn Hd 650's and it has no trouble driving these phones.  With most tubes,  the max on the volume knob I use is about halfway, and it is plenty loud..  I have mine set at lo gain and lo resistance. These are the specs for it....http://garage1217.com/garage1217_diy_tube_headphone_amplifiers_004.htm
 
  1. Solid state output stage
  2. Non overall feedback - triode voltage gain stage
  3. Power consumption: 5W continuous, 15W peak
  4. Solid state output stage
  5. Non overall feedback - triode voltage gain stage
  6. Power consumption: 5W continuous, 15W peak
  7. Power supply: 48VDC (0.10A cont, 0.32A peak)
  8. Input Resistance: 20k or 40k depending on gain setting
  9. Input Sensitivity (6N23): 0.8V or 1.6V (dependent on gain setting and used tube)
  10. Gain: 20- 26dB (selectable and dependent on tube)
  11. Max Output voltage: 15.7Vrms at 300Ohm
  12. Output Resistance: Selectable 0.1, 35 or 120Ohm
  13. Frequency Response: 3Hz – 65 KHz (-0.5dB) with 32Ohm load
  14. Frequency Response: 1.5Hz – 190 KHz (-3dB) with 32Ohm load
  15. Signal to Noise ratio: 92dBA (dependent on tube)
  16. Crosstalk: -89dB (dependent on tube)
  17. THD: > 0.010% (dependent on tube)
  18. Suitable for: 16-600ohm Headphones
  19. Power supply: 48VDC (0.10A cont, 0.32A peak)
  20. Input Resistance: 20k or 40k depending on gain setting
  21. Input Sensitivity (6N23): 0.8V or 1.6V (dependent on gain setting and used tube)
  22. Gain: 20- 26dB (selectable and dependent on tube)
  23. Max Output voltage: 15.7Vrms at 300Ohm
  24. Output Resistance: Selectable 0.1, 35 or 120Ohm
  25. Frequency Response: 3Hz – 65 KHz (-0.5dB) with 32Ohm load
  26. Frequency Response: 1.5Hz – 190 KHz (-3dB) with 32Ohm load
  27. Signal to Noise ratio: 92dBA (dependent on tube)
  28. Crosstalk: -89dB (dependent on tube)
  29. THD: > 0.010% (dependent on tube)
  30. Suitable for: 16-600ohm Headphones
  1. Solid state output stage
  2. Solid state output stage
  3. Non overall feedback - triode voltage gain stage
  4. Power consumption: 5W continuous, 15W peak
  5. Power supply: 48VDC (0.10A cont, 0.32A peak)
  6. Input Resistance: 20k or 40k depending on gain setting
  7. Input Sensitivity (6N23): 0.8V or 1.6V (dependent on gain setting and used tube)
  8. Gain: 20- 26dB (selectable and dependent on tube)
  9. Max Output voltage: 15.7Vrms at 300Ohm
  10. Output Resistance: Selectable 0.1, 35 or 120Ohm
  11. Frequency Response: 3Hz – 65 KHz (-0.5dB) with 32Ohm load
  12. Frequency Response: 1.5Hz – 190 KHz (-3dB) with 32Ohm load
  13. Signal to Noise ratio: 92dBA (dependent on tube)
  14. Crosstalk: -89dB (dependent on tube)
  15. THD: > 0.010% (dependent on tube)
  16. Suitable for: 16-600ohm Headphones
  17. Non overall feedback - triode voltage gain stage
  18. Power consumption: 5W continuous, 15W peak
  19. Power supply: 48VDC (0.10A cont, 0.32A peak)
  20. Input Resistance: 20k or 40k depending on gain setting
  21. Input Sensitivity (6N23): 0.8V or 1.6V (dependent on gain setting and used tube)
  22. Gain: 20- 26dB (selectable and dependent on tube)
  23. Max Output voltage: 15.7Vrms at 300Ohm
  24. Output Resistance: Selectable 0.1, 35 or 120Ohm
  25. Frequency Response: 3Hz – 65 KHz (-0.5dB) with 32Ohm load
  26. Frequency Response: 1.5Hz – 190 KHz (-3dB) with 32Ohm load
  27. Signal to Noise ratio: 92dBA (dependent on tube)
  28. Crosstalk: -89dB (dependent on tube)
  29. THD: > 0.010% (dependent on tube)
  30. Suitable for: 16-600ohm Headphones

 
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