Marshall jtm 30 service manual

Flip , Jun 15, Joined: Feb 18, Messages: 12, Likes Received: 2, Thanks for the reply. I'm the only decent guy. Is there a modification that could make it work with a 2x10 cab and the internal speakers Cheers. Flip , Jun 29, If they are 16 ohm, then you can hook up 2 more 16 ohm speakers, but you'll have to wire them in series parallel, or parallel series, to get a 16 ohm load.

You can use a splitter cable or box Note: If you have a MKII -starting in , please contact us for a pot kit 10 pots on the front panel. Contains five original Marshall pots and five Alpha pots B22K. T here are two different kits , depending on when your amp was manufactured. The early 80s models had wired pots with smooth shafts and set-screw knobs.

If your amp has set-screw knobs, you need the "CTS" version of this kit. If your knobs are push-on, and the shafts of the pots are "knurled" or "splined", you have a later version and you need the "PC" version of this kit. Marshall amplification musical instrument amplifier user manual 12 pages. Marshall amplification guitar amplifier owners manual 8 pages. Marshall amplification musical instrument amplifier user manual 8 pages. Introduction Marshall Amplification has been inextricably linked with valve amplification since our very beginning in Products such as the original Bluesbreaker combos, JTM 45 and Super-Lead heads were all destined to be, and have become, classics in their own right.

Page 3: Front Panel Functions Using the JTM 30 As far as tone settings go we would suggest that you start with The JTM 30 is easily capable of the tone controls set at about 5 and producing a wide range of useable then adjust to taste from there. Controls the upper or treble frequencies in 1 Mains Fuse your tone.

Protects the amplifier and mains supply in Note: the event of a fault. The Tone Controls are interactive 2 Mains Input and adjusting one can effect the Connects the amplifier to the mains power relative amounts of the others. Do not open. Print page 1 Print document 5 pages.