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myles_rose

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About myles_rose

  • Birthday 06/25/1949

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  • homepage
    http://www.guitaramplifierblueprinting.com
  • occupation
    Guitar Amplifier Designer
  • hobbies
    Music, flying, sailing.
  • Location
    Los Angeles CA, UNITED STATES

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  1. Today, all those descriptions are nonsense. As far as higher voltages, none of today's production tubes are capable of being reliable anywhere close to original design spec.
  2. Congrats on the new amp. These are pretty nice, not too heavy and easy to toss in the car. These amps are pretty non-critical on tubes. The Mesa output tubes are fine. The amp gets their tone from the front end more than the back end so any good 6L6 type works great. The STR440 is a nice sturdy tube. As far as preamp tubes .... play the amp for a while before you change stuff. The Tung Sols branded tubes by Sovtek are fine but the tubes in the amp now are probably fine. I'd just play the amp for a while and down the road you can grab a nice medium plate NOS 12AX7 for V1 and a good long plate, proper spec tube for the phase inverter. As a side note, the folks selling those tubes on ebay are good folks. Happy playing
  3. Sorry. No recollections of that amp.
  4. It's amp tech time. It could be too many things to check if just "shotgunning". They are a pretty nice keyboard amp as a side note, easy to get around and use for local gigs. Good luck. If you are in New York or can ship it I'd go with Blackie. Link
  5. Kenji13, When it comes to small amps, Roland has been making them for longer than anybody else. Sure, there were fun toys like the original Pignose amps, but Roland stuff has always been full featured stuff with the emphasis on playing, not novelty. Their products are well engineered and very reliable. I have owned a Roland Cube 60 since the eighties. It never failed. It is being used in Seattle by a bass player for small gigs on a continual basis .... with the original speaker no less. There are many amps of these types out there but Roland sort of set the stage for all others. Their Micro Cube stuff have been used on more recordings for high gain stuff than I can being to count. Happy playing .... for a toss and go amp to teach their lineup is pretty darn cool. Myles
  6. Dan, No reliability issues at all. If the output from the keyboard is too hot the tube in the first gain stage will compress and sound pretty awful (but that may be an effect on it's own ) but you can just turn down the keyboard output or pad it prior to the guitar amp input.
  7. Paul, Lots of great repair folks in New York. The master is .... https://www.blackiepagano.com/ Have a great day. Blackie
  8. V1 is farthest from the output tubes. Count from there.
  9. https://www.tubedepot.com/t/tubes/power-tubes/6973
  10. Do you know if V4 is good? Start with that tube.
  11. Actually .... save your money and go out for a nice meal. The Chinese 12AX7s are some of the best on the market today (and have actually been for years. They are smooth and linear. They are also very reliable. As far as the output section .... those 6L6s ..... The Line 6 stuff develops it's tone from many aspects of the overall circuit design and one can actually use any reliable 6L6 in the amp. Unlike a simple, basic, traditional amp of the past, these amps have a much wider tonal palette and what is desired in tube characteristics is neutrality. I have many friends who are Mesa Boogie amp owners and users. When they see I used Sovtek 5881 WXTs (just a generic 6L6 that is stuck with a 5881 printing in it by Sovtek) in my own Mk. 1, they comment at times .... "with the great tubes you have available why do you use one of the most generic and cheapest tubes around"? Same reason as I gave you for the Spyder Valve. The Mesa gets it's tonal character from the front end, not from the output stage. It is a pretty basic amp, actually, much less complex than the Line 6 Spyder Valve. Then again, almost have a century and a lot of technology separates the two designs. So .... in the end .... keep your money and enjoy your amp. The tubes in the amp are about as good as it gets ... linear and reliable. Happy playing
  12. It's really a personal preference issue. Some folks love them and others could care less. Keep in mind that they are really pretty simple devices and the cost of components may be less than the box it comes in. You also want as little coloration in the circuit as possible ... simple is better ... less components in the signal chain. BUT .... RF in your effects chain is pretty much a buzzword claim as the devices (pedals) themselves make a lot of noise in many cases and are not shielded themselves. Anything that gets rid of other noise, such as P90 pickup noise, is nothing more than a filter and is taking away other things, not just the noise. Not a good thing. I'd recommend trying one if a friend has one and see if the difference is clarity, level setting, or if it just sounds different rather than better due to something more in the signal path.
  13. As far as Marshalls .... I love the JTM45, the plexi era or aluminium four input Marshalls such as the 50 and 100 watter. To me, and I am biased for sure, the JCM 800 was tolerable but a decline. Actually, when the four inputs went away and/or when a master volume came on the scene, things declined. The JCM 900 was even worse and it was downhill from there. Again, just my personal taste
  14. There are many amps that fit in the price, power, point of the amps you mention. In the end it is personal taste and preference. The Laney VC30 has it's roots in the Vox camp. The other two amps do not. The Laney is a cathode biased amp and the others are not. They will respond and act differently. A 30 watt cathode biased amp will be just as loud as the other amps as a side note. The Laney is much more reliable than the Marshall. The Laney will be more responsive and touch sensitive than the Fender.
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