Ampeg V4.com

forum

You are not logged in.

#1 2012-02-29 17:15:21

79adam79
Member
Registered: 2012-01-27
Posts: 26

7027a Tubes

Hi. I need to re-tube a V4, so I've been looking at NOS 7027a prices; they are high! So high, that I can't afford a quad.. so I've decided to just buy a pair and run the amp with that.

From what I've read, the best vintage 7027a (in terms of sound and longevity) are the tall bottles made by RCA and Sylvania. Anyone agree/disagree with this?

Just wanted to get some suggestions from people that have experience with the V4 before I make my decision.

Thanks,
-Adam

Offline

 

#2 2012-02-29 19:16:11

chrisq
New member
From: Lawrence MA
Registered: 2012-02-15
Posts: 9
Website

Re: 7027a Tubes

why not just get the JJ's? they sound pretty damn nice. or switch to 6l6gc?

Offline

 

#3 2012-02-29 19:19:03

79adam79
Member
Registered: 2012-01-27
Posts: 26

Re: 7027a Tubes

chrisq wrote:

why not just get the JJ's? they sound pretty damn nice. or switch to 6l6gc?

You're the first person I've heard say one good thing about the JJ's..

Offline

 

#4 2012-02-29 20:17:32

hangman
Banned
From: Seattle Washington
Registered: 2006-09-03
Posts: 1848

Re: 7027a Tubes

I use the JJs in v4s all the time.   I think the winged C 6L6GC works well too.
finding good NOS tubes is getting harder and harder... they're just not as plentiful these days.  so they are getting really expensive. 

although I do think the NOS is the best way to go,  i would never pay the price that is being asked for them these days.

Offline

 

#5 2012-02-29 21:02:21

79adam79
Member
Registered: 2012-01-27
Posts: 26

Re: 7027a Tubes

hangman wrote:

I use the JJs in v4s all the time.   I think the winged C 6L6GC works well too.
finding good NOS tubes is getting harder and harder... they're just not as plentiful these days.  so they are getting really expensive. 

although I do think the NOS is the best way to go,  i would never pay the price that is being asked for them these days.

Eventhough the NOS tubes are expensive, don't they last twice, maybe three times as long as the JJs do?

Offline

 

#6 2012-02-29 22:06:31

hangman
Banned
From: Seattle Washington
Registered: 2006-09-03
Posts: 1848

Re: 7027a Tubes

perhaps... no guarantee of that.   and since they cost two to three times as much it seems hard to justify.

even three years ago you could find lots of people selling matched quads of 7027s for under $200.   We're hitting the bottom of the barrel for the NOS 7027s my friends...

Offline

 

#7 2012-03-02 11:16:41

dpm309
New member
From: Phoenix, AZ
Registered: 2012-02-15
Posts: 5

Re: 7027a Tubes

You can get a matched quad of JJ 7027a for $87 plus tax and shipping.  I have used JJs in a lot of my builds and for re-tubes and have not had any problems or complaints.  AE also has some NOS but they are almost $67 each plus tube matching charge.

Offline

 

#8 2012-03-02 12:39:34

andyhightides
Member
From: Nova Scotia
Registered: 2009-08-23
Posts: 34

Re: 7027a Tubes

I have nearly 5 years on my JJ's, and they're still going strong.

Offline

 

#9 2012-06-02 18:52:43

nitraus
Member
Registered: 2012-02-22
Posts: 55

Re: 7027a Tubes

adam, check also this out: http://www.tubeampdoctor.com/de/shop_TA … tched_2826

I've never tried TAD 7027s (my V4 has 6550s) but I never had bad times with TAD tubes!

Offline

 

#10 2014-05-16 13:31:23

doug_olitsky
Member
From: Gold Coast, Long Island, NY
Registered: 2009-02-19
Posts: 45
Website

Re: 7027a Tubes

I put jj's in my v4 and my vt22

I dont notice a performance hit

my old stock  tubes still work but I pulled them to save them

Offline

 

Board footer

Powered by PunBB
© Copyright 2002–2005 Rickard Andersson