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04/24/24 at 02:05:33

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Tube trouble (Read 1877 times)

Bilyeaux

Seasoned Member

Posts: 148

Tube trouble
03/26/22 at 13:49:03

I have had my new UFO2 4 months now and it is fabulous! End of Nov put the CSP3 on order…..Having my first tube issue though and this my first tube experience. Turned on the AMP this am and got a bright flash from the rectifier, and though it got hot failed to light up. Swapped it with another and powered up. All light up but no play, the meters register no voltage? What is my next step please?

ARC LS25MK2, UFO2.1 & Denafrips Pontus II DAC, PSA P300 Regen, Rega P6 w/ NEO and Rega MM Phono, Marantz CD6006, Bluesound Node 2i, Nakamitchi Cassette, Syzygy Sub, Omega JR XRS Towers & 74' Heresy rebuilt from Crites, ZWIRE speaker, DSRXLR, AQ connects

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Lon Seasoned Member "Love without guts is worthless!" Philip K. Dick Posts: 23500	Re: Tube trouble Reply #1 - 03/26/22 at 15:02:27 The next step is to open up the amp and check the fuses in the little circuit board near the rectifier tube socket. One is a 5 amp fuse that has probably blown. . . .
Back to top	HR-1,ZBIT,ZROCK2,SEWE300B,CSP3-25mod; Rega RP3 all GrooveTracer mods;PSAudio:PST+DSD, DAC Mk II, P15,NPC,PowerBases,AC-12 pwr cbls, Reference spkrcbls; Mapleshade SamsonV3; VooDoo:Cremona+Amati interconnects, IsoPods; headphones: Sennheiser HD800S,ZMF Ori,Oppo PM1 IP Logged

busterfree Seasoned Member Posts: 431	Re: Tube trouble Reply #2 - 03/26/22 at 15:02:47 Check for blown internal fuse
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Bilyeaux Seasoned Member Posts: 148	Re: Tube trouble Reply #3 - 03/26/22 at 15:16:58 Thanks try when back and let you know!
Back to top	ARC LS25MK2, UFO2.1 & Denafrips Pontus II DAC, PSA P300 Regen, Rega P6 w/ NEO and Rega MM Phono, Marantz CD6006, Bluesound Node 2i, Nakamitchi Cassette, Syzygy Sub, Omega JR XRS Towers & 74' Heresy rebuilt from Crites, ZWIRE speaker, DSRXLR, AQ connects IP Logged

Bilyeaux Seasoned Member Posts: 148	Re: Tube trouble Reply #4 - 03/27/22 at 22:35:17 Lon, Busterfree thanks guys! All it was put a 5z3 rectifier in and playing in a lovely fashion….Do I assume the original rectifier is blown as is the fuse or try it and see? Risking another fuse?
Back to top	ARC LS25MK2, UFO2.1 & Denafrips Pontus II DAC, PSA P300 Regen, Rega P6 w/ NEO and Rega MM Phono, Marantz CD6006, Bluesound Node 2i, Nakamitchi Cassette, Syzygy Sub, Omega JR XRS Towers & 74' Heresy rebuilt from Crites, ZWIRE speaker, DSRXLR, AQ connects IP Logged

Lon Seasoned Member "Love without guts is worthless!" Philip K. Dick Posts: 23500	Re: Tube trouble Reply #5 - 03/27/22 at 22:44:51 I'd assume the original rectifier is blown and not use it again. Glad it is up and running! Leave well enough alone!
Back to top	HR-1,ZBIT,ZROCK2,SEWE300B,CSP3-25mod; Rega RP3 all GrooveTracer mods;PSAudio:PST+DSD, DAC Mk II, P15,NPC,PowerBases,AC-12 pwr cbls, Reference spkrcbls; Mapleshade SamsonV3; VooDoo:Cremona+Amati interconnects, IsoPods; headphones: Sennheiser HD800S,ZMF Ori,Oppo PM1 IP Logged

hdrider Seasoned Member On the path with Decware. Posts: 695	Re: Tube trouble Reply #6 - 03/28/22 at 00:50:30 Always a good idea to have a few extra tubes, fuses etc on hand...happens once in a while. The old boy scout thing, be prepared. Happy listening, Chris.
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Bilyeaux Seasoned Member Posts: 148	Re: Tube trouble Reply #7 - 03/28/22 at 01:36:39 HD yes I ordered a complete extra set tubes, then I got the 5z3 from posts here and a 5uG. Interested in the globe 80, from recommendations here.
Back to top	ARC LS25MK2, UFO2.1 & Denafrips Pontus II DAC, PSA P300 Regen, Rega P6 w/ NEO and Rega MM Phono, Marantz CD6006, Bluesound Node 2i, Nakamitchi Cassette, Syzygy Sub, Omega JR XRS Towers & 74' Heresy rebuilt from Crites, ZWIRE speaker, DSRXLR, AQ connects IP Logged

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