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Crack;Bottlehead OTL - Page 180

post #2686 of 4685

Hey guys and gals, quick question... When going for tubes which should receive my priority, for example... Say i have $150 to spend and i'm going to put $100 of it toward one of the tubes and $50 to the other, which tube should get the larger investment, the power tube or the input?


Edited by Nowhere - 9/19/13 at 4:01pm
post #2687 of 4685
Quote:
Originally Posted by brunk View Post
 

 

I believe the original lightspeed cost around $700.

 

Hi all, I manufacture the original Lightspeed Attenuator MkII, and some one pointed me to this pricing misquote.

The Lightspeed Attenuator is $490 aud (Australian Dollars) this is the shipped price world wide.

For more info email me at georgehifi@Xoptusnet.com.au please delete the X

 

Cheers George

post #2688 of 4685

The output tube (6080/6AS7G/5998 and variants) produces the biggest difference in sound quality IMO, but the best ones aren't cheap.

 

If you have $150.00 here are my recommendations (in order of preference) :

 

1. GEC 6AS7G brown base and an RCA 12AU7A clear top.  Others here have tried and loved the combination. 

 

2. A second option would be a Tung Sol 7236 (computer rated 5998 that sounds tighter/faster), again driven by an RCA cleartop

 

3. 5998 driven by (you guessed it) RCA clear top

 

4. Bendix slotted graphite plate 6080WB driven by early 60s Mullard ECC82

 

The best bang for buck driver tube is the RCA 12AU7 clear top.

 

Send me a PM if these combinations interest you - I may be able to find some for you in my stockpile  :D 


Edited by W0lfd0g - 9/19/13 at 7:08pm
post #2689 of 4685
I swore I wouldnt do it, but my curiosity got the best of me and so I just bought a NOS brown base GEC 6AS7G.

I personally cant imagine hearing a difference, but after so many positive comments, I decided to see for myself.
post #2690 of 4685

Curiosity can be an expensive habit!

post #2691 of 4685
Quote:
Originally Posted by W0lfd0g View Post
 

The output tube (6080/6AS7G/5998 and variants) produces the biggest difference in sound quality IMO, but the best ones aren't cheap.

 

If you have $150.00 here are my recommendations (in order of preference) :

 

1. GEC 6AS7G brown base and an RCA 12AU7A clear top.  Others here have tried and loved the combination. 

 

2. A second option would be a Tung Sol 7236 (computer rated 5998 that sounds tighter/faster), again driven by an RCA cleartop

 

3. 5998 driven by (you guessed it) RCA clear top

 

4. Bendix slotted graphite plate 6080WB driven by early 60s Mullard ECC82

 

The best bang for buck driver tube is the RCA 12AU7 clear top.

 

Send me a PM if these combinations interest you - I may be able to find some for you in my stockpile  :D 

 

I agree with the Cleartop being great bang for buck. I'm split though on which tube has the most potential impact and would probably call it equal between the 2, meaning that I'd buy the best tube I can with the available budget regardless of whether it's an input or power tube.

 

Either that, or see if you can pick up 2 good tubes for your money. For example, my previous favourite combo was a Mullard 6080WA paired with the RCA Cleartop 12AU7, all comfortably <$150.

 

I can recommend chatting with Wolfdog to see what he might have that fits in your budget - his taste in tubes is excellent and he was great to deal with when I purchased from him.

post #2692 of 4685
Quote:
Originally Posted by W0lfd0g View Post
 

The output tube (6080/6AS7G/5998 and variants) produces the biggest difference in sound quality IMO, but the best ones aren't cheap.

 

If you have $150.00 here are my recommendations (in order of preference) :

 

1. GEC 6AS7G brown base and an RCA 12AU7A clear top.  Others here have tried and loved the combination. 

 

2. A second option would be a Tung Sol 7236 (computer rated 5998 that sounds tighter/faster), again driven by an RCA cleartop

 

3. 5998 driven by (you guessed it) RCA clear top

 

4. Bendix slotted graphite plate 6080WB driven by early 60s Mullard ECC82

 

The best bang for buck driver tube is the RCA 12AU7 clear top.

 

Send me a PM if these combinations interest you - I may be able to find some for you in my stockpile  :D 

 

That sounds great except it won't be right now, i'm sort of doing some recon at the moment in preperation. I'm currently using two rca unmarked tubes that came with my unit but i want to make sure to have a back up plan.

So... I figure i'll try and buy 2 new decent ones and store these away as a backup if anything happens...but it won't be for weeks.

 

If you're still around at that time i'll PM ya. :D

post #2693 of 4685

Wise to do your research first.  

post #2694 of 4685
Hi Guys,need some help.
Have just purchased a Crack with SB but have to use it with a stepdown transformer as I live in New Zealand and we are running 240V instead of 110V.
To get the matching transformer I need to know the power rating of the Crack but can't find any info online.
Any ideas?Thanks for your help!regular_smile%20.gif
post #2695 of 4685

You know that you can order the crack with a 240 V transformer? It's a few bucks extra, but cheaper than the option you are suggesting.

post #2696 of 4685
Yes,I know but I just bought one from an american HeadFier which is naturally the US version.
post #2697 of 4685
Quote:
Originally Posted by silversurfer616 View Post

Yes,I know but I just bought one from an american HeadFier which is naturally the US version.

 

You could email Bottlehead and just buy the transformer to add to your kit. I'm sure they'd sell it separately.

post #2698 of 4685
Might do that,thanks!
post #2699 of 4685
We're happy to sell you a 240V power transformer, but the reality is it's kind of a PITA to change out because of the number of things that need to be disconnected and reconnected under the chassis. So a step down transformer might be the easiest approach. A 100VA step down should be ample.
post #2700 of 4685
Quote:
Originally Posted by palmfish View Post

I swore I wouldnt do it, but my curiosity got the best of me and so I just bought a NOS brown base GEC 6AS7G.

I personally cant imagine hearing a difference, but after so many positive comments, I decided to see for myself.


Did your GEC arrive? If so, how are the differences between the GEC and your previous power tube?

 

Looking forward to hearing from you. Because my curiosity is becoming the same as yours :p

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