Geek Pulse: Geek desktop DAC/AMP by Light Harmonics
Jul 17, 2016 at 6:51 PM Post #11,507 of 13,800
The repairs bother me but not as much as the cost of these repairs outside of warranty. Does anyone have any data on that? I feel like we are at or near the point where the Pulse products that were initially shipped with a 2 year warranty will have their warranties expire. I received my first Pulse product (LPS4) in Jan of 2015.


I don't think they've got a great track record with dying items, my Revive just died yesterday, sent the Pulse DAC once and the Go V2+ twice. Their QC process stinks, they should burn those properly before shipping. DACs faulting is a very rare occurrence but not with them. The Geek Blue fortunately still works. I find their 12 Volt supply without proper grounding a bit disconcerting. Once in a while just waving close to those two units creates interference. Weird. I am very worried about more complicated hardware like the Source and Wave. So far their failure rate seems to be too high, likelihood of failing passed the warranty is disconcerting. I don't have a lot of faith in their viability if they keep this high failure rate.
 
Jul 18, 2016 at 2:49 AM Post #11,508 of 13,800
I don't think they've got a great track record with dying items, my Revive just died yesterday, sent the Pulse DAC once and the Go V2+ twice. Their QC process stinks, they should burn those properly before shipping. DACs faulting is a very rare occurrence but not with them. The Geek Blue fortunately still works. I find their 12 Volt supply without proper grounding a bit disconcerting. Once in a while just waving close to those two units creates interference. Weird. I am very worried about more complicated hardware like the Source and Wave. So far their failure rate seems to be too high, likelihood of failing passed the warranty is disconcerting. I don't have a lot of faith in their viability if they keep this high failure rate.

 
Wow...reading this from you surprises me since you were always one of the most vocal "fan boys". This is really not meant to offend you but LHL should use this also as food for thought if even their loyal "backers" start turning their backs on them .....
 
I was told once from LHL that their failure rate is very, very low...minimal. Well....my Pulse Xfi was RMA'ed twice followed by one for my ViDac SS.
So maybe I was one of the unluckies who faced this low failure rate but honestly I doubt it.
 
From my point of view it would be really interesting to know who from the current/past LHL backers/owners would buy anythinig again from them. 
Based on my experience I won´t. Can´t complain from the sound but the bugs hit my nerve.
 
My nightmare is still not over because I also backed the Source and the Wave. And I´m with you, musicheaven, I´m worried again and expect the worst (UI feeling for instance).
 
Jul 18, 2016 at 4:08 AM Post #11,509 of 13,800
Wow...reading this from you surprises me since you were always one of the most vocal "fan boys". This is really not meant to offend you but LHL should use this also as food for thought if even their loyal "backers" start turning their backs on them .....

I was told once from LHL that their failure rate is very, very low...minimal. Well....my Pulse Xfi was RMA'ed twice followed by one for my ViDac SS.
So maybe I was one of the unluckies who faced this low failure rate but honestly I doubt it.

From my point of view it would be really interesting to know who from the current/past LHL backers/owners would buy anythinig again from them. 
Based on my experience I won´t. Can´t complain from the sound but the bugs hit my nerve.

My nightmare is still not over because I also backed the Source and the Wave. And I´m with you, musicheaven, I´m worried again and expect the worst (UI feeling for instance).


I look at it as a wake up call, I still believe in their ability but things will have to change since other vendors seem to be better at releasing more reliable hardware. I can't say much about their software ability since I don't have much from them. By the way the failures are not drastic they are just annoying since you have to be disabled music wise for a little while.

By the way Larry is a brilliant engineer but what I think he's good with are one off. Doing it on a large scale is more complicated, there are a lot of moving parts and some of those parts they have very little control. It requires master mind manufacturing gurus to drive a tight and reliable ship.
 
Jul 18, 2016 at 9:27 AM Post #11,510 of 13,800
+1 Ive been lucky I have not had any issues with their products, but would not buy from them again. Not so much for the reliability, but for all the wait and wait and wait....I am also waiting on the wave and 2 mono amps. I saw the email on the revive and I just deleted.  In my opinion LHL reputation took a nose dive but hopefully over time they get things right.  I am really happy with my XFI.  Does anybody know about their analog line. My god it is crazy, how much longer?
 
Jul 18, 2016 at 10:03 AM Post #11,511 of 13,800
I bought my Pulse Infinity from another member here a few months ago, and it arrived DOA.  Either of us thought it was no big deal because the equipment was under warranty.  I reached out to LHLabs and they said to send it back, and they will even cover shipping up to $40USD, so I did.
 
I sent it in, had it fixed, and sent back to me, and I asked them about the $40 shipping.  It turned out that since I bought mine off somebody else, the warranty is voided, and since they didn't ask the first time, they just waived the fees and fixed it for free for me on a one time exceptions basis (grateful for that).
 
But because of how fragile their equipment seemed to be, especially after reading about the experiences of others here, I will be handling the Infinity with velvet gloves from this point on, and won't even bring it to meets.  It's a shame because the Pulse Infinity sounds really good, especially on my HE500 and even as a DAC/preamp to the KGSS-->SR007, and can really open this brand to my local area headphone enthusiasts (not in US, so I haven't really seen any LHLabs equipment in any of the meets before).
 
They sound great, but given how expensive it is, I am sort of nervous using the equipment now.
 
Jul 18, 2016 at 11:04 AM Post #11,512 of 13,800
I bought my infinity v2.0 from another head-fi member too but I guess this one is one of the better units out there. It was sent from Canada to SF and I brought it to the plane from SF to Jakarta. It runs perfectly without any problem whatsoever, hopefully it will stay like this for many years to come.
 
Jul 18, 2016 at 2:00 PM Post #11,513 of 13,800
My Infinity has been fine, it's my LPS4 that had to be repaired. Wouldn't have guessed that given the relatively simpler circuitry of a PS...
 
Jul 18, 2016 at 2:34 PM Post #11,514 of 13,800
  +1 Ive been lucky I have not had any issues with their products, but would not buy from them again. Not so much for the reliability, but for all the wait and wait and wait....I am also waiting on the wave and 2 mono amps. I saw the email on the revive and I just deleted.  In my opinion LHL reputation took a nose dive but hopefully over time they get things right.  I am really happy with my XFI.  Does anybody know about their analog line. My god it is crazy, how much longer?

 
Latest Analog Update: https:www.indiegogo.com/projects/pulse-analog-audio-components-pre-order#/updates
 
Jul 19, 2016 at 1:24 AM Post #11,516 of 13,800
My Infinity has been fine, it's my LPS4 that had to be repaired. Wouldn't have guessed that given the relatively simpler circuitry of a PS...


Sorry for those who have constant issues, but mines yet to fail. Except for the 2 GO1K, I'm using my Infinity+LPS4+Revive almost everyday.
 
Jul 19, 2016 at 5:20 AM Post #11,517 of 13,800
LPS-4 (DOA twice, transformer issue the third time) -I now have a new unit

GO V2(RMA'ed once)

Revive (no longer allows external drives the connect)
 
Jul 21, 2016 at 2:28 AM Post #11,518 of 13,800
Hm, an interesting comparison.


I'll write up my impressions later, but I slightly prefer the iDAC-6 over the Pulse X Infinity+LPS. The AK4490 implementation in this DAC makes the 9018AQ2M Sabre glare pretty apparent when compared next to one another. They're both really good DACs though, among the best I've heard in my years of this hobby.
 
Jul 22, 2016 at 7:38 AM Post #11,520 of 13,800
It's been over 8 months since I've written off this company and it's products but a friend has brought my attention back to this thread in light of all the defects going on.  Mr. Ho says the failure rate for his products are extremely low but from personal experience and what everyone else has posted, I really beg to differ and I'd like someone from LH to define what 'extremely low failure rates' actually mean.  As a backer from the 2013 campaign and part of the original 1500er group, I'd like to know why my 3 infinities all don't work.  That is a 100% failure rate.
 
Problems:
1) Infinities don't work until you power cycle it X number of times
2) Infinity buzzes/crashes randomly when you plug in a single-ended headphone (I'm glad my headphones still work because the manual says to plug in headphones with the unit ON)
    Maybe this is a feature for the sake of sound quality since the signal path is unprotected and killing headphones is acceptable since this is head-fi.  Sorry about your wallet. 
3) Display doesn't update even when using a 1GB microsd card formatted with FAT16 (yes I still have a 1GB microsd card)
4) Infinity firmware update fails even when following the instructions exactly as stated and needed a number of tries to get the upgrade to work (lucky I didn't brick the thing)
5) Even with the latest firmware, power cycling the unit randomly mutes the volume and there's no sound until you turn the volume knob 
6) Lack of mu-metal shield over the clocks which is unacceptable since this was something that replaced the spdif out
 
It'd be interesting to know how many of the original backers are kept in the dark without the mu-metal shield.
 
More importantly, I don't trust LH engineering/design because the Pulse has too many show stopping bugs/problems from my personal experience.  I'd like to refer all the LH supporters/fanboys back to problem #2 if they think I'm crazy.
 
For everyone else that's waiting for their stuff, I'm honestly praying for you guys and wish you the best of luck.  As for me, I paid for an expensive lesson since like everyone else, I believed Mr. Ho knows how to design a working DAC.  Three years later, I don't believe he does.
 
P.S. Even the 12V wall wart was DOA.  If I didn't have an LPS that was sitting as a paperweight, I would've thought the Infinity itself was DOA.
 

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