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jesuskno

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About jesuskno

  • Birthday 28/10/1977

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  4. Well I think I have decided that I am going to put tubes in my Marshall, but not know the Plate voltage of this amplifier so I can do the biasing. Anyone know what this amp plate votage? Thank you. ... and happy new year!!
  5. [quote name='iiipopes' timestamp='1353957950' post='1880287'] Unfortunately, it's been about twenty years since I purchased 6550's. About the same time all those years ago (cue the Harrison song) I sold my SVT bass head and had my Marshall 2203 USA market version guitar head rebiased for EL34's. Contact them and tell them your budget and sound/durability requirements and see what they recommend. Getting eight matched will not be easy, if possible at all, and very expensive. You might have to go with two sets of matched quads and be careful that you distribute them properly on either side of the push-pull circuit. [/quote] I appreciate it. Thanks friend.
  6. For example: [url="http://www.marshallforum.com/marshall-amps/34807-yet-another-failed-jj-tube-arrrr.html"]http://www.marshallforum.com/marshall-amps/34807-yet-another-failed-jj-tube-arrrr.html[/url]
  7. [quote name='Big_Stu' timestamp='1353956170' post='1880267'] That doesn't sound too good; I was at my techs a few weeks ago & he was singing their praises. He also mentioned getting some Chinese ones that were dead straight from the box but he didn't give a name. Might be worth having a word with Watford valves, or see if there was a faulty batch or something. I've never heard of anything like that about JJs. [/quote] In addition to these comments, I also read on the internet people talking about the latest productions of JJ's tubes. Not tell if it was a specific productions or is widespread.
  8. [quote name='Big_Stu' timestamp='1353949549' post='1880133'] I've heard quite a few pro techs recommend JJ - and they certainly have a lot of valve amp users who agree. My Hiwatt is due a revalve & it's JJs for me, to replace GECs. [/quote] Since a short time so far it seems that JJ's quality has deteriorated. I have musician friends who in their last JJ's retubes, have had a life of only six months. Some technicians have discouraged me because lately say these tubes give problems and fail a lot.
  9. [quote name='iiipopes' timestamp='1353876011' post='1879310'] [url="http://thetubestore.com/6550types.html"]http://thetubestore.com/6550types.html[/url] [/quote] Would you advise any particular tube? Thanks!
  10. [quote name='Mr. Foxen' timestamp='1353861069' post='1879062'] Not tried the 6550 specifically, but Shuguang power valves I have used (EL34b and KT88) have been good and very cheap. Trouble with the pre valves though. [/quote] Thanks for your advice At first I will not put Chinese tubes. In my Mesa Boogie 400 + put new mesa boogie tubes. They are made in China .... say it with excellent quality similar to those manufactured before mesa boogie in russia. But that's not true. My old mesa boogie tubes sounded much better than the new. So I'll forget China for now. I think by now my choice is Mullard ri in the preamp. And Sovtek powertubes. Some technicians and distributors still retain the old stock new svetlana. I am researching to see if I can find an affordable price.
  11. Hello. I need your advice. Need retube my Marshall 2001 Bass Head I acquired a few months ago. Last week we take you to review it because I'm going to use in the recording of an album. What was our surprise. He had some original factory powertubes 6550 General Electric. Others had been changed by kt88 bottle shapes, no marks. Were mixed with each other. When we first tested these tubes they just had 5-10% of life ... practically dead. The preamp tubes are a PM that says made ​​in china. I have not found much information on these valves internet but at first glance its construction seems economical. The Marshall 2001 leads: 8x 6550. 2x ECC83. 3x ECC81 At first he had thought svetlana, but the last run of these with C logo, say they have given problems and some dealers and technicians have withdrawn. Some local experts and friends have told me that Sovtek was good choice. They are not so expensive and have good response. Although the internet I have read all kinds of opinions. In the part of the preamp had thought Mullard reissue. I think wearing Mullard factory (or am confused). But I do not know the outcome of this reissue. In general opinions on the Internet seems to be a good product. You see I'm a bit lost. I would like to get the marshall sound as similar to the sound source. As the crisis is deep around here I would like to re-tube that was too expensive or that life is very short tubes. I know everyone has their favorite brand, tips, experiences, ideas ... everything is welcome. thanks friends.
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  13. [color=#333333][font=arial, sans-serif][size=4]Hi [/size][/font][/color][color=#333333][font=arial, sans-serif][size=4]friends. [/size][/font][/color][color=#333333][font=arial, sans-serif][size=4]Also [/size][/font][/color][color=#333333][font=arial, sans-serif][size=4]I put [/size][/font][/color][color=#333333][font=arial, sans-serif][size=4]the bass on [/size][/font][/color][color=#333333][font=arial, sans-serif][size=4]ebay.[/size][/font][/color][color=#333333][font=arial, sans-serif][size=4]Best regards:[/size][/font][/color] [url="http://cgi.ebay.es/ws/eBayISAPI.dll?ViewItem&item=221036654368#ht_8931wt_1185"]http://cgi.ebay.es/w...#ht_8931wt_1185[/url]
  14. [quote name='noelk27' timestamp='1337954588' post='1667999'] While most of what jesuskno says is correct he's mistaken about these instruments being Japan only. Built either by FujiGen of Samick, this was one of three new models based on the classic SB designs built by Matsumoku, and was heavily promoted in the American, European and Asian catalogues. There are some alternative photos in the US version of the '89 catalogue featured on the Aria US website. It's likely that this example will not bear a serial number (only the the final phase of production at Samick saw serial numbers being applied to the headstock reverse), and it will be impossible to say where and when this example was produced without an original set of hang tags. Production, as jesuskno says, was limited, and the reason you don't see many of these up for sale is that anyone who's lucky enough to own one usually keeps it. It's also worth noting that a set of AXY pickups and an A/E-1 circuit would set you back $1,100, before taxes and shipping. [/quote] Thanks for the info, friend.
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