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Home Theater => Audio => Tubes => Topic started by: oweidah on Jul 31, 2006 at 10:04 AM
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sirs....
any feedback on GE 5751 tubes?...i believe 12ax7 substitute ito..
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ricky,
i read your post sa 12au7 thread.
marami NOS ge5751, sylvania5751 & 1pr.@ of nec12ax7 & toshiba 12ax7 tubes sa Spin electronics
you may wanna check it out :)
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bro, it is not really a "direct" substitute as they have different construction and lower gain...however fro some people they use it as a "replacement"...in my case, instead of the 12ax7 for my tube CDP, i'm using sylvania triple mica 5751...thanks!
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by the way, i've used also rca blackplates 5751 before...lesser detailed as compared to the sylvania IMHO but has a "blacker" background...this is with my CDP ha, thanks!
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by the way, i've used also rca blackplates 5751 before...lesser detailed as compared to the sylvania IMHO but has a "blacker" background...this is with my CDP ha, thanks!
tnx...saw nos ge & sylvania 5751s....
ok pla yung rca blackplate? hmmm ;D
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sirs....
any feedback on GE 5751 tubes?...i believe 12ax7 substitute ito..
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ricky,
i read your post sa 12au7 thread.
may NOS ge5751, sylvania,5751 nec & toshiba 12ax7 tubes sa Spin.
you may wanna check it out :)
While 5751s and 12ax7s have the same parameters, 5751 has a gain of 70 only compared to the 12ax7's 100. Superman is correct, the 5751 can replace a 12ax7 but may not work the other way around.
Hope this helps
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While 5751s and 12ax7s have the same parameters, 5751 has a gain of 70 only compared to the 12ax7's 100. Superman is correct, the 5751 can replace a 12ax7 but may not work the other way around.
Hope this helps
jagner,
tnx. very helpful info indeed. esp.for future projects. :)
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rene,
yun 5751 pang-giyera sa afghanistan, irag, kuwait, lebanon....yung 12ax7 pang peaceful countries. ;D
kidding aside, the 5751 is a milspec of 12ax7 family with a lower gain as cited by my friend Superman. in some set-up, the 5751 excels than the 12ax7. in short, find out for yourself in your system.
btw, thanks for the spy tips...alam mo na yun.
regards!
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rene,
yun 5751 pang-giyera sa afghanistan, irag, kuwait, lebanon....yung 12ax7 pang peaceful countries. ;D
kidding aside, the 5751 is a milspec of 12ax7 family with a lower gain as cited by my friend Superman. in some set-up, the 5751 excels than the 12ax7. in short, find out for yourself in your system.
btw, thanks for the spy tips...alam mo na yun.
regards!
joel, tnx bro. you're a very knowledgeable person in terms of tube experience.
hope to hear your reference system. ;D
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bro, it is not really a "direct" substitute as they have different construction and lower gain...however fro some people they use it as a "replacement"...in my case, instead of the 12ax7 for my tube CDP, i'm using sylvania triple mica 5751...thanks!
masubukan nga sa phono stage ko at makapunta sa spin. ...at makatube roll baka "Blacker bckgrnd nga 5751.tnx for the info.
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hehehehe! kaw talaga ha!...yan eh based sa aking experience...blacker background...kasi blackplate eh...try the grey plate, malamang greyish background, joke lang...
for my CDP, mas bagay ang 5751 vs. the 12ax7...especially the triple micas...
bro. oweidah, kelan ba ang balik mo dun?? wala kasi ako spare time, baka pwede magpabili...sige na! :D :D :D
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superman,
sir...paano malaman kung GE5751 ay 5-star series? tnx :)
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As of yesterday 5:30 pm, only Hitachi and NEC 12ax7's are left at Spin Electronics.
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As of yesterday 5:30 pm, only Hitachi and NEC 12ax7's are left at Spin Electronics.
huh???? may kumana ng NOS GE 5751 at sylvania 5751 - dalawang kahon yun~30+pcs! ??? ???
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As of yesterday 5:30 pm, only Hitachi and NEC 12ax7's are left at Spin Electronics.
matzter,
sir just got info....madami pa NOS sylvania 5751......at meron 1pr. NEC12ax7 at 1pr.toshiba12ax7 .....no more GE5751... :)
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Ok, yun kasi sabi ng saleslady kahapon.
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Ok, yun kasi sabi ng saleslady kahapon.
baka nagmamadali lang umuwi..530pm na.
anyways, nos sylvania5751 looks ok for tube rollers ;D
***meron din ilang nos ge12**7 di ko kabisado. short fat tubes ::) ::) ::)
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oweidah
bro saan itong "spin electronics"? and me number ka? thanks.
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oweidah
bro saan itong "spin electronics"? and me number ka? thanks.
buzzliteyear,
d2 >
http://pinoydvd.com/board/index.php?topic=54505.0
:)
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matzter,
sir just got info....madami pa NOS sylvania 5751......at meron 1pr. NEC12ax7 at 1pr.toshiba12ax7 .....no more GE5751... :)
dami pang GE5751 bro. I was there this 3:30pm. I got myself a pair of 5751 Sylvania with Grey Plates and a pair of 12au7 RCA clear top. Each tube is indeed PHP 285.
Grabe, ubos na lahat ng Black Plates. Meron daw isang mama diyan na DIY na namakyaw ng Black Plates. Di ko nalang mention name niya. ;)
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dami pang GE5751 bro. I was there this 3:30pm. I got myself a pair of 5751 Sylvania Triple Mica with Grey Plates and a pair of 12au7 RCA clear top. Each tube is indeed PHP 285.
Grabe, ubos na lahat ng Black Plates. Meron daw isang mama diyan na DIY na namakyaw ng Black Plates, na araw araw naka abang doon. Di ko nalang mention name niya. ;)
Le_stat
sensia i must have gotten the wrong info-(na ubos na ge5751) ...baka yung ge5751-five stars ang ubos na? congrats you got sylvania5751 triple mica & 12au7a cleartops. enjoy!!! ;D ;D ;D
*** namesake ko daw? ;D 8) ::)
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Oweidah, baka may alam kang 6n3 na tube replacement. Yun daw ang tubes na nasa tube CDP ko.
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Oweidah, baka may alam kang 6n3 na tube replacement. Yun daw ang tubes na nasa tube CDP ko.
matzter,
6n3 ba kamo? first time i came across this tube.
let your fingers do the walking spin or better konti exercise walk to the spin ;D
btw...may tube manuals sa spin kompleto sila all list substitutes and equivalents. kilala ka naman ni neighbor digna at annie d ba? yung naka-assign sa library ang tutulong din sayo...
8)
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sensia o.t. :)
matzter,
http://www.google.com.ph/search?client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial_s&hl=tl&q=6n3+tube&meta=&btnG=Hanapin+sa+Google
http://www.echoloft.com/cgi-bin/YaBB/YaBB.cgi?board=tell&action=display&num=1108862103
5670 ?
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Oweidah, baka may alam kang 6n3 na tube replacement. Yun daw ang tubes na nasa tube CDP ko.
matt, try --- 5670 --- :)
shanling ba tube cdp mo?....padinig naman ;D
eto ba un?
(http://www.sphere.bc.ca/test/tubes10/russian-6n3-c.jpg)
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Nope, Di ko afford Shanling. Yung Bada. yan yun 8)
Daan ka lang.
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dami pang GE5751 bro. I was there this 3:30pm. I got myself a pair of 5751 Sylvania with Grey Plates and a pair of 12au7 RCA clear top. Each tube is indeed PHP 285.
Grabe, ubos na lahat ng Black Plates. Meron daw isang mama diyan na DIY na namakyaw ng Black Plates. Di ko nalang mention name niya. ;)
now really ubos na?!, congrats! ;D
nevertoo late quadro de RCAce triple mica square getter black plate red print! command series? ;D
you're the fitting heir to your uncle's throne, monsieur le_stat :)
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now really ubos na?!, congrats! ;D
nevertoo late quadro de RCAce triple mica square getter black plate red print! command series? ;D
you're the fitting heir to your uncle's throne, monsieur le_stat :)
hehehe. was just lucky i guess. it's boxed also. In the 2 pairs i got, only 1 pair was matched. There are two kinds of RCA 5751 triple mica black plates according to my research. One is the clip type and the other is the non-clip version. If you read http://www.nickdangerous.com/misc/mghead/joestubelore.htm then you would know the difference.
The 1 pair that I got matched was the RCA 5751 non-clip version. The other pair was only a double mica and a triple mica clip type - both black plates. Kinuha ko na pareho dahil alam ko na meron maliligaw parin diyan na triple mica rca black plate with square getter kahit isang piraso.
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Sirs,
Does anyone have a spare telefunken 12ax7 here? Just need 1 tube.
Thanks,
eestrera
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andrew, congratulations! why don't you post it at the member's set-up thread...you;ve gone a long-long way...hey, may nag-tip lang sa akin na may meron daw near matched quad na GE NOS 6CA7 power tubes...i'm just a text message away, hehehe!
yung 5751 mo, eto eh payong kaibigan lang naman, get a telefunken 12ax7 para mas bumilis ang amp mo...
ENJOY! :D
kaya pala ang mahal netong Tele 12AX7 na to .... let me describe it as follows : more detailed, more presence, gain in master volume, and did I say detailed again? So would I prefer it over my RCA 5751 triple mica blackplates? Noooooo ! I also like it dark. Thus, I like both. ;D por keeps. ;D
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Oweidah, baka may alam kang 6n3 na tube replacement. Yun daw ang tubes na nasa tube CDP ko.
MatZer,
Pasyal ka Phasetron (AMX Maker), i think i saw some 6n3 before...
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andrew, sabi sa iyo eh...malaki difference talaga!! glad you got mike's 12ax7 telefunkens...enjoy! :D
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kaya pala ang mahal netong Tele 12AX7 na to .... let me describe it as follows : more detailed, more presence, gain in master volume, and did I say detailed again? So would I prefer it over my RCA 5751 triple mica blackplates? Noooooo ! I also like it dark. Thus, I like both. ;D por keeps. ;D
monsieur le_stat,
pareng tom, iba talaga ang nasa darkside of the moon noh?! dont you like it sunny and warm like the first rays of the sun in the morning? ;D ;D ;D
congrats you're having the best of both worlds. :)
ok talaga telefunken lalo na pag spin-priced 12au7 8)
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monsieur le_stat,
pareng tom, iba talaga ang nasa darkside of the moon noh?! dont you like it sunny and warm like the first rays of the sun in the morning? ;D ;D ;D
congrats you're having the best of both worlds. :)
ok talaga telefunken lalo na pag spin-priced 12au7 8)
hindi ko na sa Spin nakuha ang tele smooth plates 12AX7 with the Diamond logo sa ilalim. Sa kabilang site ko na binile. Sobrang bihira na kasi kaya I took the plunge na. Oh yes, best of both worlds. Light and Day. Pwede nako maging si "Blade". ;D
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sent you a PM, le stat...thanks! :D
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mga bro, meron ako dini-dispatch na bnew 1 pair 12ax7 and 1 pair 12au7 na Electro Harmonix. 1k per pair. Txt me lang. Di pa gamit becoz of tube finds sa spin na kinabit ko agad sa amp ko. 09178992631.
Pa-simple ba kasi wala pa thread sa buy n sell ? hehehe.
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galing mo bro, hehehe! :D :D :D
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Mga sirs,
sorry medyo ot to. Don't want to start another thread just for this question. Need your advise on any substitute (if there is any) for the 7247 aside from th Sylvania 12DW7? Any info would help. Pasensya ulit.
Thanks,
eestrera
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Just sharing my experience with the 5751 GE replacement I got from spin. Was kinda dissapointed at first kasi di ako umabot sa Sylvania but told myself (with sir oweidahs help) to try out the GE 5751, a somehow underrated tube in this category. I replaced the 4 telefunken 12ax7's of my fisher x-100 with the GE's, listened to it, put back the tele's, then back to GE's for about 3 times. Was a bit surprised to find out that I actually liked the sound of the GE's better. With the tele's, I've been getting a louder bass but the mids and the highs were not fantstic, sounding a bit boxy. The GE's though giving a more tempered bass, gave better highs and a marvelous midrange. Don't really know how else to compare but just through sheer listening and hearing the difference based on my personal taste.
I learned an important lesson here, don't under estimate tubes that are not so popular. Actually, medyo latak na tong nakuha ko. But so far, I'm glad I tried it otherwise I wouldn't have thought that these not so popular tubes could actually sound good. I agree that they are underrated, well at least for me and my equiptment.
Just my thoughs. Sir Oweidah, thanks for the push. :)
eestrera
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Just sharing my experience with the 5751 GE replacement I got from spin. Was kinda dissapointed at first kasi di ako umabot sa Sylvania but told myself (with sir oweidahs help) to try out the GE 5751, a somehow underrated tube in this category. I replaced the 4 telefunken 12ax7's of my fisher x-100 with the GE's, listened to it, put back the tele's, then back to GE's for about 3 times. Was a bit surprised to find out that I actually liked the sound of the GE's better. With the tele's, I've been getting a louder bass but the mids and the highs were not fantstic, sounding a bit boxy. The GE's though giving a more tempered bass, gave better highs and a marvelous midrange. Don't really know how else to compare but just through sheer listening and hearing the difference based on my personal taste.
I learned an important lesson here, don't under estimate tubes that are not so popular. Actually, medyo latak na tong nakuha ko. But so far, I'm glad I tried it otherwise I wouldn't have thought that these not so popular tubes could actually sound good. I agree that they are underrated, well at least for me and my equiptment.
Just my thoughs. Sir Oweidah, thanks for the push. :)
eestrera
earl, you're most welcome.
tapat-tapat lang yang, you're lucky the ge5751 matched well with the fisherx100's circuitry & other tubes.
hope ok din yung dumont5963 & philips5963. give them some time to "burn-in" smoothen the rough edges and blend with your gears.
cheers! :)
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earl, does this mean you are letting go of your teles?? :D :D :D let me know...
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earl, does this mean you are letting go of your teles?? :D :D :D let me know...
Hi sir,
As of now, i think i'm gonna keep it first for another gear that i'm eyeing. 12ax din kasi gamit. But if i decide to let it go I wil surely let you know.
Thanks,
eestrera
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May nag-ulat dun sa kabilang website na ok raw iyung Shuguang 12AX7 9ed. Mura daw, bale USD 4.25 (~Php 217) isang tubo. May naka-subok na ba neto?
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if it's reviewed by Abe, then it must be GOOD...gotta try those shuguang 12AX7 in my CDP...
(http://us.st11.yimg.com/us.st.yimg.com/I/thetubestore_1916_25940849)(http://us.st11.yimg.com/us.st.yimg.com/I/thetubestore_1916_25940849)
http://www.victoriaamp.com/desk2.html
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Let me know pag meron kayo nahanap neto.
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You can always buy them online.
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I just got a pair of Sovtek 12ax7LPS from Phasetron. Using them for my CJ integrated. I really like the sound they produce. Quiet, all you hear is the music. Details are more precise than will the old tubes I was using (NOS Nationals).
If you do not mind new production tubes, you might want to give these a try ;)
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amped,
did you notice a Sovtek 12au7 in there too?
Thanks
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Sorry. Did not notice. Was excited about the ax7s kasi! Phasetron's nos are 8197372 and 8109948.
BTW, There is a china 12au7 for sale dito ha ;)
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Thanks man, I'll checkout b/s section. 8)
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WOW! :o naka CJ ka na pala! ;D
I just got a pair of Sovtek 12ax7LPS from Phasetron. Using them for my CJ integrated. I really like the sound they produce. Quiet, all you hear is the music. Details are more precise than will the old tubes I was using (NOS Nationals).
If you do not mind new production tubes, you might want to give these a try ;)
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WOW! :o naka CJ ka na pala! ;D
Hehe. Bro, intergrated lang. Di kaya ang separates :-X
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Mga sir,
patulong lang. San ba ako makakuha ng GE 5670? any other 5670 tube? if you have used these tubes, share naman ng experience? What tubes - what charcteristics?
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Mga sir,
patulong lang. San ba ako makakuha ng GE 5670? any other 5670 tube? if you have used these tubes, share naman ng experience? What tubes - what charcteristics?
Bro, you can check out wiredstate
http://www.wiredstate.com
go to vacuum tubes buy and sell section, marami tubero don :D
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thanks sir.
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Bro, you can check out wiredstate
http://www.wiredstate.com
go to vacuum tubes buy and sell section, marami tubero don :D
yes, and currently butchoy has a lot to sell. ;)
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yes, and currently butchoy has a lot to sell. ;)
:)
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The CV4004 is also a good substitute to the 12ax7. In fact, it is described in tubeworld.com as one of the best sounding 12ax7. CV4004 mullard is the rugedized version of the 12ax7, more durable military tubes. But very rare.
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Check the link below:
http://www.vacuumtubes.com/12ax7.html
8)
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Medyo OT mga bro... but i need your help...
Do you know any substitute for 7591A, these tubes are very rare nowadays..
thanks,
reynold ;)
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Medyo OT mga bro... but i need your help...
Do you know any substitute for 7591A, these tubes are very rare nowadays..
thanks,
reynold ;)
the best substitute to a 7591A is a 7591A ;D ;D ;D joke lang.
meron naman new production 7591A like electro harmonix and JJ, problem is we don't know if you will like it.
regards
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meron naman new production 7591A like electro harmonix and JJ, problem is we don't know if you will like it.
regards
get the JJ's they sound better than the eh and other new prod tubes. although somewhat lacking at the bottom end but has a clean sparkle at the top end.