Price guide / Guitar effects

Electro-Harmonix Big Muff: used price in the UK

What a used Electro-Harmonix Big Muff sells for, what to check and what usually goes wrong. Updated September 2026.

Used, working order£38 - £68
New price (RRP)£89
How fast it sellsSells quickly

What it sells for by condition

ConditionWhat it sells forWhen this band applies
New or mint£45 - £80Sealed or never used
Excellent, like new£40 - £75Barely used, no visible marks
Good working order£40 - £70The range at the top of this page
Minor marks, fully working£35 - £65A few chips or scratches mentioned
Well used, heavy wear£35 - £60Worn, scuffed or road-worn
Faulty or for parts£30 - £50Assumes the fault is fixable

About this model

The classic fuzz. The current Big Muff Pi and the Nano Big Muff sit in this band. Vintage and Russian-made versions sell higher.

Many versions look alike, so check the label on the base and the circuit board if the seller will open it.

What to check before you buy

Common faults and rough repair costs

FaultFixRough cost
Crackly / scratchy pots or jacksEasy - DIY, no special tools£5-£12
No powerMedium - soldering / disassembly / YouTube guide£3-£60
Missing power supplyEasy - DIY, no special tools£8-£30
Intermittent signal / loose connectionMedium - soldering / disassembly / YouTube guide£3-£25

Questions people ask about this model

Which Big Muff is it?

There are many versions: the standard Big Muff Pi, the Nano, and vintage and Russian-made ones that sell higher. Check the label on the base.

Is a Big Muff worth flipping?

Current models only when bought cheap. The range tops out at £68.

What should I check on a used Electro-Harmonix Big Muff?

The footswitch, every knob for crackle, and the power socket.

Selling one on

Boss, Strymon, Line 6 Helix/HX, TC Electronic, EHX all liquid. Bundles of pedals are often the best deals - split and sell individually.

Tiny; eBay / Reverb exit.

Where this price comes from

This is the range the flipper extension uses for a used Electro-Harmonix Big Muff in working order in the UK. It is a starting point, not a quote: condition, extras, the original box and where you are all move the price, and faulty ones sell for much less.

The condition bands above are the same multipliers the extension applies to a listing. On a live Marketplace listing, flipper checks that range against real sold prices and live eBay listings for the exact model, works out your profit after fees and flags faults the seller mentions. It is free while in testing. Join the testers.

Buying one to keep? The bands above are a fair price to pay for each condition. See how to check a listing.

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