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Post by myles on Jun 5, 2008 12:57:02 GMT -7
Myles, I was figuring the Gold Lions were a 25 watt tube I see they are actually a 30 watt tube. Thanks for the correction. Thanks for the help Myles. I know you are a busy man. Doug The originals (which look nothing like the reissue) were rated as 25 watters but the reissue is a 30 watter. These new New Sensor Gold Lions are working out very well for a lot of folks. Nice to have something nice and affordable available again.
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Post by Deleted on Jun 5, 2008 17:38:38 GMT -7
Yes, I really like the Gold Lions.
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Post by Deleted on Jun 8, 2008 18:38:11 GMT -7
Thanks Myles! I must say that it's tough to read about tubes on your site with all those hot looking babes of yours! ;-) I want your life! Been talking to Doug at Dougstubes from your site links and he said "We dont rely on any factory "matched" sets, we buy in bulk and burn in and match them ourselves" So I'll probably try a set from him as he recently began selling Ruby KT66 Chinese so they're probably the same as Shuguangs. Doug Preston is a GREAT vendor - his testing is top notch. Tell him you want something between 26 and 30 on his tester when he uses the settings of 400v and -48 bias. Those will be excellent. Say hello from me. Myles, which tube would be the softer tube the 26 or the 30?
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Post by myles on Jun 8, 2008 18:42:19 GMT -7
Doug Preston is a GREAT vendor - his testing is top notch. Tell him you want something between 26 and 30 on his tester when he uses the settings of 400v and -48 bias. Those will be excellent. Say hello from me. Myles, which tube would be the softer tube the 26 or the 30? If you are talking plate current here the lower number would give it up before the higher number. ... i.e., be a bit weaker sooner.
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Post by Deleted on Jun 9, 2008 2:46:17 GMT -7
Thank you, Myles
Doug
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Post by myles on Jun 9, 2008 8:05:44 GMT -7
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toneslinger
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The Proof is in the Pickin
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Post by toneslinger on Jun 10, 2008 13:26:12 GMT -7
Hey Myles,
I found 2 1960's era (I am guessing) RCA Blackface 6V6 tubes in an old poweramp at an old church last night. I have a Z28 coming in about 6 weeks. What are your thoughts on how some vintage RCA 6V6's will sound compared to the stock Groove Tubes that come in the Z28???
Thanks for your time!
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Post by myles on Jun 10, 2008 14:37:54 GMT -7
Hey Myles, I found 2 1960's era (I am guessing) RCA Blackface 6V6 tubes in an old poweramp at an old church last night. I have a Z28 coming in about 6 weeks. What are your thoughts on how some vintage RCA 6V6's will sound compared to the stock Groove Tubes that come in the Z28??? Thanks for your time! If they are matched and can be tested to make sure they have good life left, are not gassy, the getter flashes are still strong, and the heater to cathode leakage can be checked to assure the tubes are in good shape they will be stronger, more articulate and defined, and last much longer. Think of it in a visual way ... you have been looking at something through an unclean window or lightly frosted shower glass and now the glass has been removed. If you like the Z-28 with the stock tubes you will love it with some great NOS 6V6's IF they are in new shape. If they are tired and worn out or not in match you amp will sound awful, not develop full power and the hum will increase aand sustain will be lost. I love NOS tubes in grid biased class A/B amps as their life is very high compared to cathode biased amps. In cathode biased amps I stick with the GT EL84S or JJ EL84 from a vendor that can supply a tube close to original design spec. as the life is so much sorter on tubes in cathode biased amps.
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toneslinger
Junior Member
The Proof is in the Pickin
Posts: 69
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Post by toneslinger on Jun 11, 2008 11:38:48 GMT -7
Thanks for the info Myles!!! Do you know of anywhere in the Cincinnati area that could test the tubes for me? I guess it doesn't have to be in the Cincy area, I can simply mail the tubes to a tester if you have anyone in mind.
Thanks!!!
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Post by myles on Jun 11, 2008 13:13:12 GMT -7
Thanks for the info Myles!!! Do you know of anywhere in the Cincinnati area that could test the tubes for me? I guess it doesn't have to be in the Cincy area, I can simply mail the tubes to a tester if you have anyone in mind. Thanks!!! I don't know of anybody but maybe contact Dr. Z as he may know somebody in the general area.
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Post by Danny on Jun 12, 2008 15:19:11 GMT -7
Myles,
Which rectifier do you recommend for the 6545, solid state or tube? and why?
Daniel
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Post by myles on Jun 12, 2008 15:52:29 GMT -7
Myles, Which rectifier do you recommend for the 6545, solid state or tube? and why? Daniel They both have their advantages and it boils down to personal taste. The tube rectifier is more dynamic to the touch and acts somewhat as a cool compressor ... the notes swell and chords have a nice feel. The solid state rectifier will be very reliable, moreso than any vacuum tube rectifier, and the amp will be tighter overall.
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Post by Danny on Jun 12, 2008 16:21:36 GMT -7
Myles, Which rectifier do you recommend for the 6545, solid state or tube? and why? Daniel They both have their advantages and it boils down to personal taste. The tube rectifier is more dynamic to the touch and acts somewhat as a cool compressor ... the notes swell and chords have a nice feel. The solid state rectifier will be very reliable, moreso than any vacuum tube rectifier, and the amp will be tighter overall. Myles, What if I'm hoping to get classic Marshall tones (ACDC, plexi, ABB, Black Crowes, etc) from the SRZ65 side?
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Post by myles on Jun 12, 2008 16:31:10 GMT -7
They both have their advantages and it boils down to personal taste. The tube rectifier is more dynamic to the touch and acts somewhat as a cool compressor ... the notes swell and chords have a nice feel. The solid state rectifier will be very reliable, moreso than any vacuum tube rectifier, and the amp will be tighter overall. Myles, What if I'm hoping to get classic Marshall tones (ACDC, plexi, ABB, Black Crowes, etc) from the SRZ65 side? Solid state without a doubt. The only Marshall that had a tube rectifier was a JTM-45 and those were KT66 amps. None of the EL34 amps had tube rectifiers ... they were tight and crisp.
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Post by Danny on Jun 12, 2008 20:29:34 GMT -7
Thanks a million Myles. You're the man.
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Post by myles on Jun 13, 2008 10:48:24 GMT -7
Thanks a million Myles. You're the man. You are more than welcome.
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Post by Danny on Jun 13, 2008 19:57:18 GMT -7
Hey Myles,
While I've got you here answering my questions, can I throw one more at you?
I've had the chance to play through only a couple of models of Marshall amps over the years, and have never owned one, so I'm only minimally familiar with the differences among them. I wonder if you could give me a few specific examples of recordings that feature the quintessential sound of this or that model of Marshall. For example, "'Sweet Child o' Mine' is the sound of the 100W Silver Jubilee with 2 4x12 cabs," or whatever. What are classic examples of the sound of the 100W Super Lead, the JTM45, the JCM800, 900, 50W Plexi, etc etc?
Thanks in advance.
Daniel
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Post by hdahs143 on Jun 16, 2008 6:21:16 GMT -7
Hi Myles.
Wanted to get your take on the pros & cons of using a 12BZ7 in a 12AX7 slot. I know that the spec sheet on it has twice the current rating, half the plate resistance, and twice the transconductance. Can it be harmful to the amp? Are there any applications to which it would a good choice?
Thanks!
Harold
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Post by myles on Jun 16, 2008 8:35:51 GMT -7
Hey Myles, While I've got you here answering my questions, can I throw one more at you? I've had the chance to play through only a couple of models of Marshall amps over the years, and have never owned one, so I'm only minimally familiar with the differences among them. I wonder if you could give me a few specific examples of recordings that feature the quintessential sound of this or that model of Marshall. For example, "'Sweet Child o' Mine' is the sound of the 100W Silver Jubilee with 2 4x12 cabs," or whatever. What are classic examples of the sound of the 100W Super Lead, the JTM45, the JCM800, 900, 50W Plexi, etc etc? Thanks in advance. Daniel You are going to do a bit of research because almost ALL groups did not use the same amps in the studio that they were seen with live. Hendrix is a prime example ... he used a lot of Fender amps and at the 1968 Hollywood Bowl used four dual showmans ... not Marshalls at all. The Beatles ... Fender BF amps a lot in later years. Layla .... Tweed Champ and Tweed Deluxe Led Zep - very small supro amps. and the heavy metal hair band Rox Diamond .... their last CD, every note and guitar part was a 5 watt single ended class A amp running a 6V6 at over 400 plate volts .... Read some of my articles about how small amps record huge in the studio and can dwarf high wattage amps and why.
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Post by myles on Jun 16, 2008 8:37:20 GMT -7
Hi Myles. Wanted to get your take on the pros & cons of using a 12BZ7 in a 12AX7 slot. I know that the spec sheet on it has twice the current rating, half the plate resistance, and twice the transconductance. Can it be harmful to the amp? Are there any applications to which it would a good choice? Thanks! Harold It depends on the amp. I typcally stick to 12BY7A and 12BH7 in some amps if I want to try some of these things.
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Post by robbz on Jun 18, 2008 19:53:33 GMT -7
Hi Myles, I hope youre well mate... In your opinion, which one of Z's amp range (including discontinued amps) is closest to a JMP Marshall Plexi?
Cheers... Robb
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Post by ajnewkirk on Jun 18, 2008 19:56:21 GMT -7
Hey Myles, I am about to order some tubes for my RX-ES and was thinking about grabbing a NOS RFT 12AX7 for V1. Currently (stock) the amp sounds a bit bright to me. Would the RFT be less bright than the stock JJ ECC83? Are there any (other) tubes you'd recommend for V1 in this amp to tone down the highs a bit? Any insight you can provide would be greatly appreciated
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Post by myles on Jun 19, 2008 8:37:19 GMT -7
Hi Myles, I hope youre well mate... In your opinion, which one of Z's amp range (including discontinued amps) is closest to a JMP Marshall Plexi? Cheers... Robb Rob .... Easy easy answer .... the SRZ-65 with the master all the way up. Look on my website in the Z area at the shootout Carl Verheyen did between his plexi 50 and the SRZ-65. By the way, an entire article was done on this in the big guitar mag in Italy. Check with Carl directly for details. www.carlverheyen.com is his website and on my GAB site there is a video of some of the comparison and somebody even took it off my website and stuck it on youtube at some point in time so you can look there too for Carl Verheyen ... also a cool video on my GAB site and myspace page that has the SRZ65 in recent action in the studio.
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Post by myles on Jun 19, 2008 8:39:17 GMT -7
Hey Myles, I am about to order some tubes for my RX-ES and was thinking about grabbing a NOS RFT 12AX7 for V1. Currently (stock) the amp sounds a bit bright to me. Would the RFT be less bright than the stock JJ ECC83? Are there any (other) tubes you'd recommend for V1 in this amp to tone down the highs a bit? Any insight you can provide would be greatly appreciated It is not than the RFT is less bright than an ECC83S JJ tube, it is less harsh, just different. I love the RFT and the Brimar in your amp in V1 but they are both different and I like both of them for different reasons. In the end it's all personal taste and preference but I think you would find either (if you were me anyway) to be a big step up.
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Post by ajnewkirk on Jun 19, 2008 13:11:12 GMT -7
Thanks for the info Myles.
I ordered the RFT's along with a set of longplate GE's so I can play around with them sometime. After reading your site I am now aware of the importance of the PI tube,and now I can't wait to try various tubes in the PI slot to see how they push the power section.
I also just finished ordering a set of GT EL-84S tubes to finish off the retube. I put in the comments section to please let you pick the tubes. It's very nice of you to take the time to do this for members of the forum and i'd like to say Thank You.
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Post by myles on Jun 19, 2008 13:17:39 GMT -7
Thanks for the info Myles. I ordered the RFT's along with a set of longplate GE's so I can play around with them sometime. After reading your site I am now aware of the importance of the PI tube,and now I can't wait to try various tubes in the PI slot to see how they push the power section. I also just finished ordering a set of GT EL-84S tubes to finish off the retube. I put in the comments section to please let you pick the tubes. It's very nice of you to take the time to do this for members of the forum and i'd like to say Thank You. You are quite welcome. Happy playing!
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Post by robbz on Jun 21, 2008 22:50:07 GMT -7
Hi Myles, I hope youre well mate... In your opinion, which one of Z's amp range (including discontinued amps) is closest to a JMP Marshall Plexi? Cheers... Robb Rob .... Easy easy answer .... the SRZ-65 with the master all the way up. Look on my website in the Z area at the shootout Carl Verheyen did between his plexi 50 and the SRZ-65. By the way, an entire article was done on this in the big guitar mag in Italy. Check with Carl directly for details. www.carlverheyen.com is his website and on my GAB site there is a video of some of the comparison and somebody even took it off my website and stuck it on youtube at some point in time so you can look there too for Carl Verheyen ... also a cool video on my GAB site and myspace page that has the SRZ65 in recent action in the studio. Thanks again Myles... great help. Cheers
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Post by myles on Jun 22, 2008 9:27:04 GMT -7
Rob .... Easy easy answer .... the SRZ-65 with the master all the way up. Look on my website in the Z area at the shootout Carl Verheyen did between his plexi 50 and the SRZ-65. By the way, an entire article was done on this in the big guitar mag in Italy. Check with Carl directly for details. www.carlverheyen.com is his website and on my GAB site there is a video of some of the comparison and somebody even took it off my website and stuck it on youtube at some point in time so you can look there too for Carl Verheyen ... also a cool video on my GAB site and myspace page that has the SRZ65 in recent action in the studio. Thanks again Myles... great help. Cheers You are quite welcome
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Post by jhnarz on Jun 22, 2008 20:59:42 GMT -7
Hey Myles,
Is it safe to run a SS rectifier in my Mazerati?
I just dropped one I purchased from KCA in my amp head. Sounds better to me but I am concerned since it strays from the original tube complement Dr.Z designed for this amp.
Thanks in advance.
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Post by myles on Jun 23, 2008 7:42:56 GMT -7
Hey Myles, Is it safe to run a SS rectifier in my Mazerati? I just dropped one I purchased from KCA in my amp head. Sounds better to me but I am concerned since it strays from the original tube complement Dr.Z designed for this amp. Thanks in advance. Perfectly safe. The side benefit will be higher reliability if the amp gets bounced around a lot. The amp will have a little more power (negligible) but will feel tighter and have a more immediate response. I have a lot of folks using SS rectifiers in Mazerati, MAZ 38, and RxES amps as well as in 6545 and KT-45 amps.
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