Blues Jr. Question

Discussion in 'Glowing Bottle Tube Amp Forum' started by t guitar floyd, Apr 19, 2016.

  1. t guitar floyd

    t guitar floyd Tele-Holic

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    I know they've been around for a while. I had one in the mid '90s, but don't know. . . were they ever made in the USA?
     
  2. Abu Twangy

    Abu Twangy Friend of Leo's

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    They were until the early 2000s
     
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  3. Johnny Cache

    Johnny Cache Former Member

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    I had a USA one and later a MIM one. The greenboards are the USA and creamboards are MIM. I never did warm up to them, they were alright for small venues and jamming not really a solid performer. Built too cheap for my liking. The Peavey Classic 30 for about the same money was a better all around amp. I almost bought a C 30 but came across an '81 Super Champ looking for a new home. The rest is history.
     
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  4. Wally

    Wally Telefied Ad Free Member

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    +1 on the Rivera-era Super Champ being the best small amp ever built by Fender...or maybe anyone else.
     
  5. Johnny Cache

    Johnny Cache Former Member

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    In deed, I quit taking it out to small gigs because every now and then I felt someone was going rip it off when I wasn't looking.
     
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  6. t guitar floyd

    t guitar floyd Tele-Holic

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    I keep hearing great things about the SC . . . is it a tube amp? 12" speaker?
     
  7. Karl Pilkington

    Karl Pilkington Tele-Meister

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    The original Super Champs are all tube. 10" speaker. The current production Super Champ X2, and its predecessor the Super Champ XD, have op-amps and modeling capabilities in addition to tubes. They also have a 10" speaker.
     
  8. t guitar floyd

    t guitar floyd Tele-Holic

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    Ok . . . have heard great things about the whole line. To use one at a gig, like Johnny Cache, they should be mic'd? I usually gig with a drummer and pretty much need a 12".
     
  9. Karl Pilkington

    Karl Pilkington Tele-Meister

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    They're pretty loud, despite their size. Might not need to be mic'd in a smaller venue, but it depends on the drummer. The current production ones can be had in a head/cab setup with a 12" speaker.
     
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  10. Johnny Cache

    Johnny Cache Former Member

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    Yes all tube with a 10" Fender Special Design speaker, not sure what brand it is. Wally would know. They are nothing like the new ones Fender makes today. It would be nice if they did make a reissue but they would have to come up with some 6C10's which I think are getting hard to find.
     
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  11. Wally

    Wally Telefied Ad Free Member

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    Super Champs....the real Super Champs that were built from 182-1985....are not parts of a 'series' that includes the modern hybrid SCX- amps. I fired up one of my SC's for a fellow who owns one of the SCX? Amps, and his eyes went wide. He was expecting to hear what he heard out of his SCX? And that is NOT what comes out of a Super Champ.
    The Rivera-era Amps, including the Super Champ, are all-tube, handwired amps....the last regular production run of handwired amps that Fender built. AFAIK, no other major manufacturer has ever built a handwired, high gain reverb amp.....and I can't think of a small builder who has done so. These amps would be very expensive if they were built today...my estimation would be over $3K list price. Without a doubt they would be more expensive than anything except certain handwired CS amps like the VibroKing.
    The OEM speakers that Fender out in these amps were an Eminence, a Pyle and the upgrade EVI. The Eminence is a bit harsh for my ears. The Pyle is inarticulate. The EVI is THE speaker to have in these amps. I finally acquired 3 EV Force 10's, which are the aftermarket version of the OEM EVI. Magnificent speaker in the SCX. Before I got these, I ran Eminence Legend ALK's for over 20 years and those are very good speakers for these amps....or any other, Ime.
    Yes, the 6C10 is an issue. One has never failed in my amps, but I do keep a stash of replacements. Our friend Bendyha has shown us how to build an adapter that runs two 12AX7's and plugs into that 12-pin socket. There are other 12-pin Compactron tubes that will run there, but none of them has 3 x 12AX7 triodes. The 6U10 is has two 12AX7 triodes and a 12AU7 triode. One would have to understand where that triodes its and perhaps rewire the socket if needed.
     
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  12. Johnny Cache

    Johnny Cache Former Member

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    I have a few 6D10's I understand it's more like a 12AT7, tried one in my SC and worked fine, couldn't really tell any difference between the tubes. I have all the original RCA tubes for mine saved they all test good, re-tubed it with some good OS tubes from my stash, with a new Ei 6C10 I think from Slovakia or some where like that. Not sure it's a real 6C10 but it works good. I think mine had the Eminence speaker, I changed to a Lil' Buddy made a significant difference it tone.
     
  13. Wally

    Wally Telefied Ad Free Member

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    Teube ...heater.....P dissip........Pv............Pma....gain..........Mu.......................Plate resistance

    6AC10 : 6.3V 0.6A 2/2/2W 330/330/330V 9/9/9mA 62/62/62x 5800/5800/5800Gm 10700/10700/10700r

    6AK10 : 6.3V 0.9A 2/2/2W 330/330/330V 10/10/10mA 53/53/53x I 7000/7000/7000Gm 7500/7500/7500rp

    6AV11 :* 6.3V 0.6A 2/2/2W 330/330/330V 10.5/10.5/10.5mA 17/17/17x 2200/2200/2200Gm 7700/7700/7700rp

    6BK11 :* 6.3V 0.6A 0.4/0.4/0.4W 330/330/330V 1.6/1.2/1.2mA 70/100/100x 1550/1600/1600Gm 45000/62500/62500rp

    6C10 :* 6.3V 0.6A 1/1/1W 330/330/330V 1.2/1.2/1.2mA 100/100/100x 1600/1600/1600Gm 62500/62500/62500rp

    A6D10 :* 6.3V 0.45A 2/2/2W 330/330/330V 4.2/4.2/4.2mA 57/57/57x 4200/4200/4200Gm 13600/13600/13600rp

    6K11 :* 6.3V 0.6A 0.275/0.3/0.3W 330/330/330V 10.5/1.2/1.2mA 17/100/100x 2200/1600/1600Gm 7700/62500/62500rp

    6Q11 :* 6.3V 0.6A 3/1.2/1.2W 330/330/330V 22/22/1.2mA 18/100/100x 2500/1600/1600Gm 7000/62500/62500rp

    6U10 : 6.3V 0.6A 2/2/1W 330/330/330V 9.6/9.6/1.2mA 18/18/100x 2300/2300/1600Gm 7700/7700/61000rp

    9AM10 : 9.5V 0.6A 2/2/2W 100/100/100V 8/8/8mA 64/64/64x 6900/6900/6900Gm 9300/9300/9300rp

    The 6C10's 100/100/100 gain and the current are 12AX7 figures. The 6D10 looks to be an AT type of tube...driver.... but with slightly less gain....the current ability is much higher than the 6C10 just as an AT's current abilities are higher than the 12AX7. One can see that there is only one accurate replacement for a dead 6C10....that is another 6C10...or an adapter using two noval tubes. The 6BK11 is in effect one 5751 triode with 2 12AX7 triodes. That is the closest thing to a 6C10 that there is.

    My apologies, but this chart did not 'translate' well from the copying to the pasting.
     
    Last edited: Apr 29, 2016
  14. t guitar floyd

    t guitar floyd Tele-Holic

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    Thanks Wally and JC! I have to be away from the computer over the weekend, but will get back w/more questions probably on Monday.
     
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