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CARVER site! » The Chain » Preamplifiers » Sunfire preamps » Phono stage

Phono stage

Guest		#1 Posted: Friday, June 26, 2009 9:58:11 AM(UTC)
Rank: Guest Groups: Joined: 12/20/2008(UTC) Posts: 5,036 Was thanked: 1 time(s) in 1 post(s)		Hey Fellow audiophiles, new member. new to sunfire that is. Recently aquired a classic tube pre matched with signature 600-2 driving maggies 3.6R's. The gentlemen I purchased them from was a phono guy, I am not(yet). I am am also new to tubes. He had installed the phono board with upgraded tubes. I was wondering since I will be enjoying this almost daily but not using the phono stage. should I disconnect the phono board to extend the life of the tubes? thank you in advance.
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RichP714		#2 Posted: Friday, June 26, 2009 10:38:42 AM(UTC)
Medals: Rank: Vendor Groups: Member Joined: 12/20/2008(UTC) Posts: 5,400 Location: Gretna, NE Was thanked: 454 time(s) in 337 post(s) Gave Thanks: 322 times		Welcome rtu........tubes aren't my dept, but hopefully someone who knows will pipe in. Enjoy! - ------http://zeropointe.thecarversite.com----------------------http://carvermk2.com---------------
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BillD		#3 Posted: Friday, June 26, 2009 11:37:37 AM(UTC)
Medals: Rank: TO-3 Member Groups: Administration, Search Party, Moderator Joined: 12/21/2008(UTC) Posts: 4,103 Location: Scottsdale, AZ Was thanked: 168 time(s) in 139 post(s) Gave Thanks: 2 times		See my post replying to your other post of the same subject. It should sound like it isn't there. There is a difference between hearing and listening... Making life enjoyable through expensive electronics. __________________________________________________________________________ Carver: C-4000 & C-1 preamps, PSC-60 preamp/tuner, TX-11a tuner, C-500, M-1.0t, M-400 (2), M-500, M-500-t+, M-500t Mk.II, A-500x, AL-III loudspeakers (2 pr) Sunfire: Theater Grand III processor, Ultimate Receiver, Cinema Grand Signature 400 ~ seven, True Subwoofer Mk. II, D-10 Subwoofer
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BillD		#4 Posted: Friday, June 26, 2009 11:39:29 AM(UTC)
Medals: Rank: TO-3 Member Groups: Administration, Search Party, Moderator Joined: 12/21/2008(UTC) Posts: 4,103 Location: Scottsdale, AZ Was thanked: 168 time(s) in 139 post(s) Gave Thanks: 2 times		See my post replying to your other post of the same subject. It should sound like it isn't there. There is a difference between hearing and listening... Making life enjoyable through expensive electronics. __________________________________________________________________________ Carver: C-4000 & C-1 preamps, PSC-60 preamp/tuner, TX-11a tuner, C-500, M-1.0t, M-400 (2), M-500, M-500-t+, M-500t Mk.II, A-500x, AL-III loudspeakers (2 pr) Sunfire: Theater Grand III processor, Ultimate Receiver, Cinema Grand Signature 400 ~ seven, True Subwoofer Mk. II, D-10 Subwoofer
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Balok		#5 Posted: Friday, June 26, 2009 12:31:40 PM(UTC)
Medals: Rank: TO-247L Member Groups: Member Joined: 1/31/2009(UTC) Posts: 1,789 Location: Alberta, Canada Was thanked: 47 time(s) in 42 post(s) Gave Thanks: 23 times		Bill, your accidental "double post" regarding rtu0894's post in TWO areas struck me as funny. Of course, i have been drinking............:dd "ALL THINGS MUST PASS"
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BillD		#6 Posted: Friday, June 26, 2009 2:43:42 PM(UTC)
Medals: Rank: TO-3 Member Groups: Administration, Search Party, Moderator Joined: 12/21/2008(UTC) Posts: 4,103 Location: Scottsdale, AZ Was thanked: 168 time(s) in 139 post(s) Gave Thanks: 2 times		You mean you thought I didn't do that on purpose? It should sound like it isn't there. There is a difference between hearing and listening... Making life enjoyable through expensive electronics. __________________________________________________________________________ Carver: C-4000 & C-1 preamps, PSC-60 preamp/tuner, TX-11a tuner, C-500, M-1.0t, M-400 (2), M-500, M-500-t+, M-500t Mk.II, A-500x, AL-III loudspeakers (2 pr) Sunfire: Theater Grand III processor, Ultimate Receiver, Cinema Grand Signature 400 ~ seven, True Subwoofer Mk. II, D-10 Subwoofer
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Guest		#7 Posted: Sunday, June 28, 2009 6:01:24 PM(UTC)
Rank: Guest Groups: Joined: 12/20/2008(UTC) Posts: 5,036 Was thanked: 1 time(s) in 1 post(s)		to answer your question, I did try the RIAA reverse phono loop, but I can not give and accurate review just yet because I changed to many things at once. I just started using the SD/A-490t cd player, which has its own tube buffer. Howerver, I happen to be bypassing this as well through the digital out. I've already become acustom to the Musical Fidelity X-series (PSU, DAC, 10, the X-10 of which is an output tube buffer as well). I also agree that I need to take advantage of the phono section with an actual turntable. but at this point I don't own one or know much about them. And due to the fact that my LP collection consists of zero! I fugure I will not be using the phono section for a while. This brings me to the original question: If the phono stage is not going to be used, should I remove it to save tube life. Or do they not wear out runining idle?
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OBI56		#8 Posted: Sunday, June 28, 2009 6:17:58 PM(UTC)
Medals: Rank: TO-220 Member Groups: Member Joined: 1/13/2009(UTC) Posts: 728 Was thanked: 22 time(s) in 16 post(s) Gave Thanks: 2 times		Welcome to the forum rtu0894. AFAIK tubes used in preamps and CDPs are usually stressed very little; so little in fact that they should usually outlive their owner as well as the equipment they are in. Tubes used in power amplifiers are another story entirely, usually lasting anywhere from a few years to a decade or more. I wouldn't worry about the longevity of the tube life in the phone section as the chassis of the Classic Tube Preamp has plenty of space in it and ventilation is not a problem. On the other hand, removing it won't harm anything as long as you replace the chassis mounting plate with the original one to get your CD input back.
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Guest		#9 Posted: Sunday, June 28, 2009 7:11:47 PM(UTC)
Rank: Guest Groups: Joined: 12/20/2008(UTC) Posts: 5,036 Was thanked: 1 time(s) in 1 post(s)		Thanks for the tube info.
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