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Little Dot 2++ Tube Rolling - Page 3

post #31 of 658
Thread Starter 
Ok, a small update...ive been listening to the Mullard CV4015's now for a few days and I am still totally impressed. I have never heard my CD player (640C) or my HD650 sound as good. The soundstage is just 'quality' in my opinion, K T Tunstall's - Eye to the Telescope album has become so clearly layered between lead and backing vocals, and guitars and drums have found their own space, im finding myself saying 'awsome!'...a lot!
Im loving vocals with these tubes, on some tracks im hearing 'the room' in which the recording is being made, I have listened to the K T album many many times and it feels like ive just heard it properly for the first.
Im not sure how these tubes would sound on other headphones but so far for me they are the best tubes I have heard on the LD2++ with the HD650, when I can face it I will see how my old DT831 do..
The Mullard CV4015's still partnered with original power tubes have given me a different insight to all the music I have listened to, so much in fact that I had to check I had put the correct CD in once as it sounded so different in character. I hope others try these soon and can remark (or criticise) with their findings....for me though..Yey!
post #32 of 658
I guess I should put some impression of my Marconi W77 tube.

Got them nos from ebay

Those are early impression. With the sovtek 6C19 PI and compared to the mullards EF92. Driving Beyer DT990 '05

First impression there is a big low mid bump. Second impression there is much less detail than the mullards. If you switch from the Marconi to the mullard you can immediately feel the high open up and be more airy with the mullard. There is kind of a high end magic with the mullard that make them very seductive. The Marconi seem roll off in contrast.

Quick A/B with mullard is apparent that the mullard is the more refine tube.
But then almost I forgot my golden rules of A/B: Quick switching with critical listening only give me headache and I miss most of the difference and see only the sound signature difference. The key is long listening period to get to know the sound.

So I leave the marconi in. My impression now: Fun tube. The low mid boost increase the presence of the music. And they have much more attack. The mullards seem too polite in contrast. The marconi might be roll off and less detail but they make you tap your foot at the beat. You feel the drums, the attacks and good transient when the music get loud. The problem is that when you switch to the mullard you hear the high end detail and and the marconi seem to be lacking but after a while I start to the punch of the marconi. It's hard to decide because the marconi really seem to lack refinement in direct comparison but they are fun tubes

I'll will post more impression when I receive the CV4015
post #33 of 658
Quote:
Originally Posted by DanT View Post
I guess I should put some impression of my Marconi W77 tube.

Got them nos from ebay
Just grabbed a pair. Thanks for the link.
post #34 of 658
By the way those who want to try to find different tube here a post about the LD2+ EF92 which should held true for the LD2++

http://www6.head-fi.org/forums/showp...9&postcount=10
Quote:
Originally Posted by tbonner1 View Post
RE: Tube rolling: Mr. Yang has confirmed the CV131 as being equivalent to the EF92. This is the only one he has tested extensively, but other tubes that should be directly swappable include the 6065, U/S 6CQ6, Brimar 9D6, CV131, V884, VP6, W77, and the M8161 which is a high quality version of the EF92. Some of these are fairly difficult to acquire in China so they have not been fully tested and guranteed to work, but that being said, they should all theoretically work
For new tube untested on the LD2++ I would at least try to find a datasheet to see if there are indeed the same spec.
post #35 of 658
Quote:
Originally Posted by DanT View Post
By the way those who want to try to find different tube here a post about the LD2+ EF92 which should held true for the LD2++

http://www6.head-fi.org/forums/showp...9&postcount=10


For new tube untested on the LD2++ I would at least try to find a datasheet to see if there are indeed the same spec.
No idea what these two are (V884, VP6), but I would like to get some Brimars. Here are two pics of them.



post #36 of 658
Thread Starter 
Quote:
Originally Posted by DanT View Post
I guess I should put some impression of my Marconi W77 tube.
Thanks for the link, I snapped up the last two . What source are you using out of interest?
post #37 of 658
Quote:
Originally Posted by rain_uk View Post
[...]What source are you using out of interest?
The $800 PCDP. Well I got mine for much less when it was still expensive but not that ridiculous

My next step is to get a better source. Maybe a dac or someting.
post #38 of 658
dammit! you guys keep buying all the good tubes b4 i can jump on them. I got 2 mullard cv131's un-opened in box if anyone wants to trade.
post #39 of 658
Anybody who don't like the Ediswan EF92 want to sell them to me?
post #40 of 658
Thread Starter 
Has ANYBODY received their CV4015 yet? I'm so looking for another opinion.. On my source and the 650's I feel this LD2++ is punching so far above its weight, I wish I had some more expensive amps to compare with. Im now ordering another set of these tubes as a backup pair..
post #41 of 658
Thread Starter 
anyone?
post #42 of 658
I just received my new ++ a few days ago. Had some problems with my first one. Little Dot sent me a new amp (didn't even pay for shipping), no questions asked. Right out of the box, it sounds much better than my first one, which was bright and harsh. Have only listened to it a few times, each time with stock tubes. I also have the Sovteks and 4015s, and have a pair of W77s on the way. I did order a pair of Mullard EF92s from a seller on Ebay, but they never arrived. The seller seems to hope that I just go away (stopped responding to emails). That transaction looks like it will end poorly (negative feedback and no tubes).

Probably won't have time to listen to other tubes until after the holidays, but I will be sure to post some impressions (eventually). Until then, I'm just enjoying the music. So far, I think this amp is a good bargain at $200 and a solid entry level tube amp. Would love to hear how it compares to a Raptor or SLAM. That would tell you pretty much where this amp stands within the spectrum of quality, high performance tube amps.

Getting back on point, I'm sure other people have have tube rolled. Post away!!!
post #43 of 658
Thread Starter 
Good to hear that you have a working 2++ now..looking forwards to your impressions..
post #44 of 658
Quote:
Originally Posted by DanT View Post
(click on the arrow beside my name for original tread)
I guess I should put some impression of my Marconi W77 tube.

Got them nos from Ebay
Quote:
Originally Posted by pelayostyle View Post
dammit! you guys keep buying all the good tubes b4 i can jump on them.
Some more W77 has been re-listed from the same seller for anyone still interested and missed them on the first attempt.

http://cgi.ebay.ca/NEW-IN-BOX-MWT-W7...QQcmdZViewItem

Don't expect superb performing tube, they are not. It's just they have more punch and mid than the mullard so music that is aggressive can take advantage of them. I still like them a lot and I still find them to be a lot of fun but they are not suitable to every taste. I'm still waiting for my cv4015 so I'll post more impression later.
post #45 of 658
Thanks for the heads up!
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