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best valves for Marshall-JMP 1986 50w Bass amplifier

Marshall JMP 1986 50w Bass

Looking for great sounding valves for Marshall amplifiers? You’ve come to the right place.

Best valves for Marshall JMP 1986 50w Bass amplifier.

The Marshall JMP 1986 50w Bass amplifier uses:

  • 2 x ECC83 (also called 12AX7) preamp valves.
  • 1 x balanced ECC83 for the phase splitter position (V3).
  • 2 x EL34 matched power valves/power tubes.

Over time your valves will lose their tone and their power. A brand new set of valves will get your amp sounding better than ever.

Order your valves for Marshall JMP 1986 50w Super Bass amplifiers below and hear the difference.

So restore the tone, the power and the sparkle to your guitar amplifier. Treat yourself to a brand new set of valves today.

  • All of our valve kits are carefully selected, fully tested and digitally matched.
  • A significant upgrade in valve quality compared with stock valves.
  • We offer a variety of shipping options with full tracking and insurance. So you know they will arrive safely and on time.
  • We have 30 years experience so you know you are in safe hands.
  • International shipping – we post all over the world every single day.

Replace the Valves on your Marshall JMP 1986 50w Bass amplifier.

If you have any queries about replacing your valves please get in touch. We have over 30 years experience so one of our team will always be happy to help and advise. Also, have a look at our FAQ section where we answer the most popular questions we get asked.

If you want to know what your shipping options are, simply add the product to the basket and when you get to the check out it will show you delivery costs, options and delivery times.

Your tracking details will be sent by email so make sure you check your spam folder if they do not arrive within 48 hours.

About this amplifier.

The obvious thing to mention about this amp is that “1986” does not refer to the year. Marshall used hundreds of these number combinations over the years. 1986 refers to any Marshall Bass circuit that is 50w, non-MV.

You can find out more about these different Marshall amp numbering systems here.

Best valves for  Marshall JMP 1986 Superbass 50w amplifiers. Order yours today and get your amp sounding better than ever.

Simply choose the complete replacement valve kit or the seperate valves for your amplifier below:

Replacement JJ Valve Kit for Marshall 1986 50w bass (2 x ECC83 1 x Balanced ECC83 2 x Matched EL34)

£124.66
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EL34 Valves (Tubes) Marshall EL34 Matched Pair NEW TESTED (2 x EL34)

£71.23
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Why buy your new valves from Ampvalves?
all valves tested and digitally matched
  • Amazing Quality - All our valves have been tested to the highest possible standard using the best testing equipment on the market.
  • 100% Guarantee - All of our valves are fully guaranteed for complete peace of mind.
  • Soak Testing - All of our valves are soak-tested for 30 minutes to reduce failures after fitting.
  • Rated 5 Stars on Trustpilot
  • Awesome Tone - You'll hear the difference. A new set of tubes will get your amp sounding and performing like new.
  • Stunning Price - Our individual Valves and complete Amp Kits are competitively priced to ensure you get great value.
  • Superb Customer Service - We are always at the end of the phone to answer any questions you may have. We are all guitarists here and treat every customer as we would like to be treated.
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