The £100 acid box — a 303 clone so cheap that used listings barely undercut new.
Prices are computed from recent UK (GBP) sold listings and refresh daily.
| Source | Listing | Condition | Price | Deal |
|---|---|---|---|---|
| eBay | Behringer TD-3 Smiley Knob Potentiometer (3D printed) | New | £3.99 | excellent |
| eBay | Behringer TD-3 Analog Bass Line Synthesizer - Silver | Used | £57.9 | excellent |
| eBay | Behringer TD-3-AM Analog Bass Line Synthesizer Yellow | Used | £83 | fair |
| eBay | Behringer TD-3 SR Analog Bass Line Synthesizer - Silver | Used | £83.9 | fair |
| eBay | Behringer TD-3 RD Analogue Bassline Synthesiser | Used | £83.9 | fair |
| eBay | Behringer TD-3-BK - Analogue bass line synthesiser | Opened – never used | £84.99 | fair |
| eBay | Behringer TD-3-AM Analog Bass Line Synthesizer. mint condition | Opened – never used | £87 | fair |
| eBay | Behringer TD-3-SR Analog Bass synthesizer | New | £89.1 | fair |
| eBay | Behringer TD-3-SR Analog Baseline Synthesizer 16-Step Sequencer Pro Audio | New | £131.83 | overpriced |
| eBay | Behringer Synthesizer (TD-3-SR) | New | £135.35 | overpriced |
Deal ratings compare each asking price with the recent sold-price median. Some links are affiliate links — they cost you nothing and support GearSnap.
As of July 2026, a used Behringer TD-3 in the UK typically sells for around £86. Anything under £84 is a strong price worth moving on quickly; between £84 and £135 is the fair-market zone; above £135 you're paying a premium that usually only makes sense for mint or boxed examples.
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