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  1. TiPiMods

    orange tolex marshalls...when?

    wow! looks great, probably sounds even better...
  2. TiPiMods

    Small amp for playing small gigs and praticing with a 70's rock band?

    I would buy a used Fender Blues Junior, do some of the BillM mods, maybe put in a Celestion speaker and I think you'll be happy. This little amp screams if you crank it, and it has just the right volume for club gigs. A good overdrive pedal in front and you play singin and screamin' leads. I...
  3. TiPiMods

    1971 Super Lead 100: Estimated Value?

    That's true, you definitly should know, that the amp was used regulary. Sorry 'bout my joking...If it rested on a shelf or in some livingroom collection for a longer time, you should at least power it up slowly with a variac. (Anyway I wouldnt use a vintage amp for touring.) I have a BF...
  4. TiPiMods

    1971 Super Lead 100: Estimated Value?

    Looks good, for what I can see everything original. Looks quite like my 73 Super Lead. price is quite high. Did you buy it already? BTW: the only thing I would be afraid of, is playin with that old two prong chords. Thats really DANGEROUS. Filter caps last much longer, than many people like to...
  5. TiPiMods

    How original is my 74 Marshall Super Lead?

    I wouldn't change anything, if the amp runs without hum. I have a BF Deluxe Reverb from 63, dead stock with original Caps and it works flawless and sounds great. If an amp ist played constantly, this caps can last quite long. What makes them bad, is when the amps stays unused for a longer...
  6. TiPiMods

    6100 channel switching problem

    I owned a 6100 which had the same problem after I bought it on ebay and the seller didn' pack it in a proper way. that thing must be crashed on the floor or something. The tech which repaired it, told me that the oscilator crystal was broken. After putting in a new one it worked properly. Maybe...
  7. TiPiMods

    Getting JMP 2204 bias in range

    35W is MAXIMUM! You should never bias at maximum power dissipation, exept you want to extra sponsor the russian or chinese tube industrie and you have some extra money for a new amp or a new power tranny! 70% of the maximum, which is 24,5 W should be the highest!
  8. TiPiMods

    G12T-75 or 65

    BTW: I meant G12-65, not T-65...
  9. TiPiMods

    Getting JMP 2204 bias in range

    what you hear is preamp distortion, concerning power amp distortion, the EL 34 breaks up much earlier. But it's very loud anyway :dude:
  10. TiPiMods

    Getting JMP 2204 bias in range

    Hi Punk as you noticed: when you run the tubes to cold, you loose power. If you really want to go for optimum power you need an oscilloscope and a frequency generator and so on... the socket probes often have a 1 Ohm resistance between ground and cathode because its easier to mesasure...
  11. TiPiMods

    Getting JMP 2204 bias in range

    Also IMHO: if you want to make your Marshall sound "british" eg. like a Marshall should, change to EL 34. It's a huge difference: they breakup earlier and have a lot more midrange and overall distortion. KT 88 are very strong, loud and clean. The 6550 is a cheaper KT 88 which does not take that...
  12. TiPiMods

    Getting JMP 2204 bias in range

    35 w is the maximum the 6550 can dissipate. If you bias your Amp that high your tubes will wear out quite fast and the sound does not get better. you should bias between 50-70% of the maximum dissipation. 4-5mA difference is acceptable, some people even say a little mismatch sounds better...
  13. TiPiMods

    Greatest Marshall Ever!

    That's a hard question, which is the best Marshall ever. I think actually there are very few Marshalls that are bad sounding. My greatest sounding Marshall is a JMP 73' PTP 100 Super Lead, on which I clipped out the 5000pF treble cap to stop my ears bleeding. Now I can use cleaner sounds also...
  14. 101 0156

    101 0156

  15. 101 3783

    101 3783

  16. 101 3786

    101 3786

  17. JMP

    JMP

  18. TiPiMods

    Why does everyone hate the celstion 75's?

    Yes, thats the truth: for 3dB more you have to double the wattage. That's why 50 watts are nearly as loud as 100...
  19. TiPiMods

    G12T-75 or 65

    Hi guys. I recently bought a red 1960A JCM 800 Cab. On the plate with the serial number it says 260W, which made me think it's loaded with G12T-65. Also the Doyle Marshall book says there exists a 1960A with G12T-65. When I opened the Cab, at first I was dissapointed: it was loaded with 75s...
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