Genuine Mullard CV378 (GZ37) rectifiers for sale x4 - diyAudio
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Old 31st January 2009, 12:55 PM   #1
Fanuc is offline Fanuc  United Kingdom
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Default Genuine Mullard CV378 (GZ37) rectifiers for sale x4

Hello,

I have recently moved house and am trying to clear out alot of stuff I don't need or are unlikely to use. These are NOS mullards. Military versions I believe and there in the boxes. They have not been used. I originally got 4 of them to make a full wave rectifier after seeing a schematic for an Audionote Ongaku amp! . I heard rave reviews about it and I was still a novice with electronics. The OPT is the key part plus the caps and construction. (how naive I was at the time!).

So yeah they could be used for SE Triode amps 211, 845 etc with large HT rails.

Anyway here is a link I come across yesterday.

http://www.mullardtubes.com/MullardRectifierTubes.aspx

To quote from the above website - "Without a doubt the finest GZ-37 available today only exceeded by the High Wycombe CV378 "Fat Glass"

I took these pictures about an hour ago.
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File Type: jpg cv378-1.jpg (59.2 KB, 465 views)
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Old 31st January 2009, 12:58 PM   #2
Fanuc is offline Fanuc  United Kingdom
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Picture 2
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Old 31st January 2009, 01:01 PM   #3
Fanuc is offline Fanuc  United Kingdom
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Picture 3 showing some of the original boxes
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File Type: jpg cv368-3.jpg (34.1 KB, 417 views)
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Old 31st January 2009, 02:25 PM   #4
limono is offline limono  United States
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and the price is??
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Old 31st January 2009, 03:19 PM   #5
Fanuc is offline Fanuc  United Kingdom
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Quote:
Originally posted by limono
and the price is??
Having a good look around I am looking for 180 for the four ie. $265.00. This is pretty cheap if you look at some other sites.

http://www.mullardtubes.com/Mullard-...&ProductID=150

nearly $150 a tube or this one

https://www.tubeworld.com/gz37.htm

Between $100-$150 per tube. That site has some good information on it regarding the valve. I don't know enough about getters etc.

Lastly I forgot to mention that all four tubes have the same date codes YE. Mid 60's I think. As you can see from that link just above, the internal construction has changed over time. So it's a mix and match affair.

PS. Ignore delivery costs. I have stuff (palettes) going to virginia at work all the time and it will be well packed.

Best Regards

Kevin
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Old 1st February 2009, 08:19 AM   #6
Fanuc is offline Fanuc  United Kingdom
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Quote:
Originally posted by limono
and the price is??
I may knock the cost down to $200 for the Quad. And cheap delivery to USA.
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Old 1st February 2009, 09:59 PM   #7
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email sent

RC
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Old 1st February 2009, 10:04 PM   #8
Fanuc is offline Fanuc  United Kingdom
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Just sent you one back! Literally about about a minute ago!

Unless it's a new one

I will take paypal.

Kevin
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Old 2nd February 2009, 01:34 PM   #9
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Got it, thanks!

I'm hoping we can work something out.

Thanks, RC
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Old 3rd March 2009, 11:47 PM   #10
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Just thought that I should follow up on this. I spoke with Kevin and we worked out a deal on the GZ37 rectifiers.

I received them last week and everything is looking great. I'm pretty excited to use these in my 300b project.

Thanks much Kevin!
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