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Rectifier valves what can I use ? (Read 17523 times)

davewhit58

Ex Member

Rectifier valves what can I use ?
01/02/10 at 13:59:50

had my amplifer a few days and its fantastic even out the box not yet run it it sings

like others i will soon be tempted to try different valves now it came with 5U4G which a quick web search tells me is the same as a GZ34

Yet on another forum users of this amp tell me they have tried GZ32 valves
one long term user says it says here that you can use GZ32 ( not yet found said post)

has anyone a list of all valves that can be used in this great amp ?

thanks in advance

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Lon

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Philip K. Dick

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Munson Township, OH

Re: Rectifier valves what can I use ?
Reply #1 - 01/02/10 at 16:09:10

On the Decware site main page for this amp, Steve wrote:

The rectifier is a 5U4G and can be substituted with a 5AR4 or compatible rectifier. Many owners of this amp like using the 274B. Each rectifier change will also make audible differences in the sound and performance of the amplifier.

Personally of those type listed that I've heard I always like the 5U4G best.

HR-1,ZBIT,ZROCK3,SEWE300B,Dynagrid Jr;Rega RP3+all GrooveTracer mods;PSAudio:PST+DSD DAC Mk II,NPC,PowerBases,AC-12 pwr cbls, Reference spkrcbls,GCHA;Mapleshade SamsonV3;VeraFi Audio cpts VooDoo:Stradivarius interconnects;Stack EQ; phones:Sennheiser HD800S,ZMF Ori

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veryoldcat

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Re: Rectifier valves what can I use ?
Reply #2 - 01/03/10 at 03:11:41

Yes, the GZ32 will work great.

I'm terribly addicted to the Mullard GZ32 (but haven't tried the 274b's).

Another rectifier that's more reasonable in cost than the GZ32 is the electrically similar 5V4, which is my second best favorite.

It could be that preferences are somewhat speaker specific. I need to revisit the 5U4 since switching my speakers around this last year, for example.

Karl

SE84CS (vcapped), CSP, zbox, Dec685, ZP 1.0, Sota tt/Well-Tempered Arm/V15XMR, Parker 98's, Parker Audio *Power Chords*, cat 6 wires, OSX; a garage sale of other stuff...

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Lon Seasoned Member Offline "Love without guts is worthless!" Philip K. Dick Posts: 28755 Munson Township, OH	Re: Rectifier valves what can I use ? Reply #3 - 01/03/10 at 03:39:53 Hi Karl, I didn't know the 5V4 would work in that amp. I used that in my Select, an RCA, loved it.
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Rivieraranch Seasoned Member Offline Posts: 2162 x0\|Ft. Lauderdale\|USA\|\|0\|0\|FL,Florida	Re: Rectifier valves what can I use ? Reply #4 - 01/04/10 at 12:10:11 5Y3; 5Y3GT; 5Y3WGTA; 6087; 6106; 5U4; 5U4G; 5U4GB; 5931 to name a few.
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davewhit58 Ex Member	Re: Rectifier valves what can I use ? Reply #5 - 01/04/10 at 18:40:27 have ordered a brand new NOS GZ32 original box Mullard brand new :)
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veryoldcat Seasoned Member Offline damed if you do, and damed if you don't Posts: 373 San Francisco Bay Area	Re: Rectifier valves what can I use ? Reply #6 - 01/05/10 at 03:08:23 That one's gonna sound nice. To my ear, very liquid; not as hard sounding as the 5U4x family. To add to the confusion, I use the Mullard CV593 which is the military numbering system, although exactly identical to the GZ32. Karl
Back to top	SE84CS (vcapped), CSP, zbox, Dec685, ZP 1.0, Sota tt/Well-Tempered Arm/V15XMR, Parker 98's, Parker Audio Power Chords, cat 6 wires, OSX; a garage sale of other stuff... IP Logged Share: Likes:

Rivieraranch Seasoned Member Offline Posts: 2162 x0\|Ft. Lauderdale\|USA\|\|0\|0\|FL,Florida	Re: Rectifier valves what can I use ? Reply #7 - 01/05/10 at 13:16:18 We're in a world where tubes can cost more than the gear.
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davewhit58 Ex Member	Re: Rectifier valves what can I use ? Reply #8 - 01/05/10 at 14:35:13 1950 price 20 shillings plus purcahse tax rear http://www.davewhitter.pwp.blueyonder.co.uk/rear25.jpg 1950 price 20 shillings plus purcahse tax rear
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Lacee Verified Member Offline Posts: 20 Welland Ont Canada	Re: Rectifier valves what can I use ? Reply #9 - 02/09/11 at 18:05:34 I just purchased the following tubes-all are 5u4GB,one Sylvania, one Westinghouse, and one Raytheon. Before I start rolling I would like some input,what's the front runner amongst this trio? Thank you, Lacee
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