Cheapest used guitar amps on eBay, live right now.

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How to buy a used guitar amp

Valves are consumables, and that is the hidden cost. A tube amp's valves wear out the way tyres do, and a full retube runs roughly $80 to $200 depending on the amp, plus a bias adjustment on most power sections. So ask when it was last retubed and whether the seller knows. An amp advertised as sounding thin, dull or farty is usually describing worn power valves rather than a fault, which is good news if you price the retube in and bad news if you did not.

Speakers and transformers are where the money is. A reconed or replaced speaker is not automatically bad, but it should be disclosed and it changes the tone from stock. A failed output transformer is the one to fear: it is the single most expensive repair on most amps and often costs more than the amp is worth. Any mention of loud hum, burning smell or the amp cutting out under load is worth walking away from unless the price already assumes a repair.

Ask about the noises, not just whether it works. Crackle when you turn a knob is usually a dirty pot and cheap to fix. Hiss that changes with the gain control points at a preamp valve. A rattle on reverb-heavy notes is often just the reverb tank springs, which is harmless. Hum that stays constant regardless of settings is the one that tends to be a filter cap, which means a service.

Weight and shipping. Combos are heavy and valves are fragile, so a tube amp shipped with the valves still seated is a real risk. Favour sellers who remove and pack them separately, or buy locally. Check the corners, handle and tolex too: rough cosmetic damage usually means the inside got the same treatment.

Common questions

Which amp holds its value

Each amp as a percentage of its launch price. This category splits by technology rather than by age: valve amps hold their value for decades because the thing that wears out is a tube you can replace, while modelling amps fall like the computers they are. Read the number with that in mind. Tap a model to see its listings.

Cheapest by model, at a glance

A daily snapshot of the lowest genuine eBay price for every model we track, and how good that price is right now versus its usual level, updated automatically. Prices last refreshed 30 August 2026 . Tap a price to see that model's cheapest listings on eBay, or tap a model name for the full live list here.

Under each model is the actual listing that price came from, so you can see whether it is the thing you want or a bundle, a variant, or an accessory that happens to share the name.

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