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Try a type 80 globe rectifier in your super zen (Read 6029 times)
doukhobar
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Re: Try a type 80 globe rectifier in your super zen
Reply #50 - 01/29/18 at 14:43:36
 
Hi there, are the X280 and X380 globes, type 80 rectifiers? Thanks everyone!
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will
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Re: Try a type 80 globe rectifier in your super zen
Reply #51 - 01/29/18 at 16:38:28
 
Yes they are. The ones I have labelled 80 are medium sized coke bottle shape, whereas, x280 and x380 are globes.
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Tapatrick
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Re: Try a type 80 globe rectifier in your super zen
Reply #52 - 01/31/18 at 22:23:24
 
Thank you Kevin for alerting me to the RCA Radiotron Type 80's. I'm running a couple in on my SE84UFO3 mono blocks and they are very sweet indeed. I'm entering the world of serious rolling... much fun lies ahead. Smiley Smiley Smiley Smiley
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Acetone
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Re: Try a type 80 globe rectifier in your super zen
Reply #53 - 02/02/18 at 16:24:12
 
Tried ST type 80's in the Zen-CKC.
I like the RCA's best, next the "made for RCA /Cunningham's", The NU came in last. When all said and done the Mullard & Mitsubishi GZ34 are my faves with 5R4GYS Phillips and RCA's just behind. RCA 5U4's next.
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Showme
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Re: Try a type 80 globe rectifier in your super zen
Reply #54 - 02/11/18 at 19:17:45
 
What sort of price should I expect to pay for a Mullard GZ32 ?
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alper_yilmaz
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Re: Try a type 80 globe rectifier in your super zen
Reply #55 - 02/11/18 at 19:51:08
 
Around $125 or so...

Alper
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Showme
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Re: Try a type 80 globe rectifier in your super zen
Reply #56 - 02/11/18 at 20:54:53
 
Thanks, that's exactly the price I found one. Being new to buying tubes just wanted to know if that was within reason.
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Lon
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Re: Try a type 80 globe rectifier in your super zen
Reply #57 - 02/13/18 at 13:12:01
 
I'm beginning to dip my toes into the Type 80 rectifier tube pool. I now have four to play with: an Arcturus/Crosley globe, a pair of RCA small bottle type, and a bottle type RCA.

So far I've just used the globe. . . and really like what I'm hearing.
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alper_yilmaz
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Re: Try a type 80 globe rectifier in your super zen
Reply #58 - 02/13/18 at 17:27:13
 
Hi Showme,

I believe at the moment the most reliable source for NOS Mullard GZ32's is a company in Ontario which sells over eBay, and that is the price they ask for (plus S&H).  I believe they are a retailer for the SME tone arms as well.  I have dealt with them twice and they are pretty good to do business with.

Best,

Alper
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Lon
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Re: Try a type 80 globe rectifier in your super zen
Reply #59 - 02/13/18 at 17:51:54
 
The Arcturus globe is a really nice rectifier. Warm and sweet. I can be very happy with this  one.

Now I have the bottle-shaped RCA in. This one has the same bass balance and yet is more detailed in spatial cues and more dynamic. It's only been in an hour or so . .  if this keeps up it may become glued into the Taboo Mk IV.

I'm using the RCA 12AU7 (?} that Steve sent with the ZROCK2 in the ZROCK2, and a Sylvania 7308 in the Taboo Mk IV as well as Svetlana SV82 and the Type 80 RCA. I'm leaving this tube complement in for a while, really nice sound.
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JOMAN
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Re: Try a type 80 globe rectifier in your super zen
Reply #60 - 02/14/18 at 11:06:10
 
Iíve had the Sophia Electric 274B in my UFO2 for some time now so I believe it is now burned in to the point that I decided to roll the Mullard GZ32/CV593, Cunningham CX-380 Globe, Majestic Type 80 Globe and the AWV type 80 ST.

The objective was to see if there would be an immediate discernible difference since I am now used to the Aqua 274B.  Therefore, this is not an exhaustive review of the tubes.

It was very obvious and the Aqua 274B is now my rectifier of choice in the UFO2 but not the CSP3.  The best way I can summarize the difference is that each of the others have their own strengths, a little more detail vs a little more warmth vs a little more dynamic.  The Aqua has it all with great balanced of each of the qualities.  In addition the scale of presentation is larger and the separation between instruments and vocals far more obvious.  The Mullard would be my runner up.

But it all comes at a price.  So if budget is a consideration the type 80 are great alternatives.  In a case where budget is a consideration do not try the Aqua 274B.  If you get used to that one thereís no going back.  

I would emphasize that this is in the context of my system and tube complement.  I did try the Aqua 274B in both the CSP3 and UFO2, I have two, I always keep a spare.  I did not care for that combo so I have it in the UFO2 only.
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Lon
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Re: Try a type 80 globe rectifier in your super zen
Reply #61 - 02/15/18 at 17:27:33
 
I'm hesitant about the Aqua for several reasons, chief among them that I really am not a big fan of the Valve Arts 274B and suspect this tube may hold similar traits. I could be wrong, and when I've had the SE84UFO3-25 Monoblocks I've ordered in hand and broken in I may consider investing in a pair.

Right now I'm enjoying the three different Type 80 that I have purchased, each has their charm and I'm hard-pressed to name a favorite. The small straight ones being a matched pair will get a trial in the Monoblocks when they arrive and have a very compact and detailed, warm sound. The Crosley/Arcturus globe has a big resonant sound. The RCA ST-type shares a lot of the characteristics of the globe but with more spatial cues, seemingly more "resonant." Great tubes to have. I'll be keeping an eye out for different types in pairs while waiting for the Monoblocks.
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JOMAN
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Re: Try a type 80 globe rectifier in your super zen
Reply #62 - 02/15/18 at 20:00:05
 
This is terrible Lon.  I donít have an Arcturus Type 80 to compare and Iíve blown the tube acquisition budget.  Youíll just have to get an Aqua so we can know the difference between it and the Arcturus, right??? Wink
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Lon
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Re: Try a type 80 globe rectifier in your super zen
Reply #63 - 02/15/18 at 20:04:30
 
Ha, we'll see. I bet it sounds like one of the tubes you have. All three of these types sound pretty similar, with distinguished characteristics separating them. . . but much more similar than different.

I'm thinking I'm going to want a matched pair of globes to try in the Monoblocks. . . that will be my first target.
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« Last Edit: 02/15/18 at 20:56:36 by Lon »  

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alper_yilmaz
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Re: Try a type 80 globe rectifier in your super zen
Reply #64 - 02/15/18 at 22:36:10
 
Hey John,

How would you compare the Sophia Electric 274B to NOS Mullard GZ32?  I am in love with the latter, yet the GAS never goes away!  :)

Best,

Alper
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JOMAN
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Re: Try a type 80 globe rectifier in your super zen
Reply #65 - 02/15/18 at 23:42:36
 
Hey Alper,

I would need to spend more time comparing the two.  Iíll see if I can spend some time tonight or tomorrow and get back on this.

Now if only we could get Lon to compare with the Arcturus Roll Eyes.
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JOMAN
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Re: Try a type 80 globe rectifier in your super zen
Reply #66 - 02/16/18 at 03:26:16
 
First, thanks for asking Alper as Iíve enjoyed an evening of music which I desperately needed.

The difference between the the GZ32/CV593 and the Aqua 274B was readily evident and itís not that small.  The Aqua has more prescence in the mids and comes across as more complete more coherent across the frequency band, although sometimes a touch heavy on the mids, depending on the recording.

This makes the Aqua more engaging, more organic.  For the first time I found myself trying to sing along with the singer(s) (kind of embarrassing for me but there it is).

Accompanying instruments are far more discernible and present.  Piano, string instruments, wind instruments are more complete never blending never competing and always presented in more evident layers.

In live recordings the venue is more evident.  Vocals are breather, strikingly present.  Some wind instruments, blues harmonica for example, came across a touch... raspier? More bluesy, made me want to find my harmonica (yes I have one and Iím not that good at it).

The GZ32/CV593 is a little more back where as the Aqua seems to surround one in a sphere of sound, not forward though.

Lons comment about the Type 80ís is right on, except that I have not heard the Arcturus and by the looks of it I will not know the difference Cry.
Of the Type 80Ē that I have the Aqua is also quite different from them.

However a word of qualification is in order here.  My associated driver tubes are Siemens and Valvo, these, as described by some, tend to be somewhat less ďwarmĒ than say Amperex or RCAís.  I do have an Amperex Buggle Boy 6DJ8 and a Mullard 6DJ8 and 7DJ8.  Going by memory, these did tend to bring more mid prescence to the GZ32/CV593 but not in the same way as the Aqua and in the case of the Mullard, a little dry for my liking.  I also have a ZR2 and that component did make a significant difference.

I guess what Iím trying to say is that my system is not the same as yours and so I cannot say that the Aqua will make the same difference in your system.  So if this causes you to acquire an Aqua and you do not like it as much as the GZ32/CV593 let me know, I have a spare NOS GZ32/CV593 Iíll swap for it.  I can always use another spare if you would want a spare as well. Cool
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Mcanaday
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Re: Try a type 80 globe rectifier in your super zen
Reply #67 - 02/18/18 at 16:48:11
 
Hi Joman - does the Sophia Electric tube require an adaptor with the Super Zen?  If so, is it the same adaptor that works with the type 80 globe rectifier?  Thanks...Margot
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busterfree
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Re: Try a type 80 globe rectifier in your super zen
Reply #68 - 02/18/18 at 18:43:00
 
No adapter is required to use the Sophia Electric Aqua 274 in a Super Zen.

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Mcanaday
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Re: Try a type 80 globe rectifier in your super zen
Reply #69 - 02/18/18 at 19:26:40
 
Thanks, Buster.  What other tubes are you using there with the Sophia Electric?

Thanks! Margot
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busterfree
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Re: Try a type 80 globe rectifier in your super zen
Reply #70 - 02/18/18 at 21:58:28
 
Original output tubes that came with the amp (less than a year of use) and an expensive Telefunken E88CC that I got from Upscale Audio. When this tube goes bust, I will not be replacing it with such an expensive tube again. It is a great tube, but I have learned my lesson. I would rather put that money into more music to listen to.
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JOMAN
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Re: Try a type 80 globe rectifier in your super zen
Reply #71 - 02/19/18 at 16:37:28
 
Iím using Siemens E88CC grey shield for the driver and NOS Svetlana SV83 for the power.  The SV83 are the ďolderĒ version.

I got the Siemens at a very reasonable price and so picked up 4 spares so that should do for quite a while.  I think I got them for about $50.00.  Last I looked they were crazy expensive.
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JOMAN
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Re: Try a type 80 globe rectifier in your super zen
Reply #72 - 02/19/18 at 16:38:45
 
Correction on my last post re: Siemens E88CC grey shield... that should read &50.00 for a pair
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Mcanaday
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Re: Try a type 80 globe rectifier in your super zen
Reply #73 - 02/21/18 at 01:40:00
 
Thanks, Buster and Joman.  The tube I have on hand is a Phillips Dario Miniwatt (Green Label) 7308.  Is it your sense this would be too rich with the Sophia Electric rectifier tube?  Thanks!  Margot
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JOMAN
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Re: Try a type 80 globe rectifier in your super zen
Reply #74 - 02/21/18 at 02:46:02
 
Couldnít say as I have had no experience with that tube.  Only one way to know for sure.  Iíve often taken the comments of others as a start.  But only first hand experience will tell for sure.
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