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    Jmp. Pa 20

    For £800 I rather keep it...
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    Jmp. Pa 20

    BTW, what does these 20 watt heads go for these days?
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    Jmp. Pa 20

    Nice amp! I've got a '73 Lead&Bass 20 watt head. As far as I know, Lead&Bass and PA are almost identical, how does a 20 watt PA head preform? My Lead&Bass doesn't have a lot of headroom.
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    '73 JMP Lead&Bass 2061

    Sorry, should have stated it's a 2061 head with 2x12" 2061cx speaker cab. How do I post pictures?
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    '73 JMP Lead&Bass 2061

    Hi I've got a '73 2061 with a newer 2061cx cab. After some back and forth, I've decided to sell this little rig, but I can't figure out the what's the right price. Is it rare? I have only found the "new" 2061x for sale on ebay, and I'm not sure if I can compare the prices on those. Got...
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    JTM60 experts?

    When I had the JTM 60, I'd crank the clean channel for crunshy rythm (master volume adjusted to taste) and adjusted the dirty channel for overdrive/solo boost. Sounded great, as I remember it. Works well if you don't care for clean sounds.
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    Marshall 2021

    Wow! That's one cool box!
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    JTM45 reissue with EL34's ????

    My '89 JTM45RI had 5881 tubes in it, now it has KT-66.
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    JTM45 RI Bias

    Well, first time around, the voltage was 351 volts. After some reseach, I found out that my 8 ohm cab wasn't 8 ohm at all, and used another cab instead, then I changed the rectifier tube. I don't know why the voltage is that low, but according to my friend (who is an amptech), it's ok...
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    JTM45 RI Bias

    Checked my notes now, it appeared to 45mA and 391 volts. I can not remember if I adjusted the bias lower after that.
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    JTM45 RI Bias

    I've replaced 5881 for KT-66 in my JTM45RI some time ago. Belive I set bias for about 45 mA, if memory serves me right.
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    Weber Bias Rite Alert!!

    So does it mean it's still safe to use biasrite? Never had any problems with mine...
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    Besides Marshall

    I've got a 65 Amps Lil' Elvis and a '65 Univox. Don't need to dream any more...
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    JMP Lead & Bass 2061

    Head. Doesn't the combo have another number than 2061?
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    JMP Lead & Bass 2061

    Please?
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    JMP Lead & Bass 2061

    Hi I've got this 2061 from '73, small simple two channel, 20 watt amp. I don't see those much around the web. How many did Marshall make? How much could it be worth? Thanx
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    Ohm confusion

    Set your (amp)head to 8 ohms, plug into 8 ohm on your cab.
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    JTM 60 What to look for

    I had one with 12" speaker for eight years, never had a problem with that. But a lot of people reports that the JTM60 series has a overheating issue, and they solve this by putting i fan in the back of the amp.
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    From Norway

    Out went the 1974x, in came a JTM45RI and a 65 Amps Lil' Elvis.

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