Quad 303

eBay UK

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QUAD 303 Power Amplifier completely re-built with new parts by Amplabs

USD$501 ≈ GBP$375

GB 1d ago

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Quad 303 Power Amplifier (2024 Edition)

USD$1,030 ≈ GBP$772

GB 3d ago

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Quad 303 Power Amplifier Vintage Early Serial Number UK Good Working Order

USD$334 ≈ GBP$250

GB 4d ago

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eBay UK

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Quad 303 Power Amplifier late example working order but no cables

USD$267 ≈ GBP$200

GB 6d ago

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QUAD 303 serviced and upgraded

USD$390 ≈ GBP$292

GB 19 Oct 2026

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eBay UK

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Vintage Quad 303 45 watt Stereo Amplifier

USD$215 ≈ GBP$162

GB 12 Oct 2026

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eBay UK

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QUAD 303 Power Amplifier - box and inserts

USD$13 ≈ GBP$10

GB 12 Oct 2026

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eBay UK

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Quad 303 Power Amplifier Vintage Early Serial Number UK Good Working Order

USD$331 ≈ GBP$250

GB 9 Oct 2026

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Quad 303 Power Amplifier

USD$258 ≈ GBP$195

GB 9 Oct 2026

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eBay UK

Quad Stereo Power Amplifier

Vintage Quad 303 stereo power amplifier, fully serviced, lovely condition, cable

USD$390 ≈ GBP$295

GB 8 Oct 2026

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Quad 303 Power Amplifier with mains and input cables

USD$242 ≈ GBP$183

GB 8 Oct 2026

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eBay UK

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Quad 303 Power Amplifier

USD$265 ≈ GBP$200

GB 8 Oct 2026

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eBay UK ↓ 7%

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QUAD 303 POWER AMPLIFIER AND QUAD 33 PRE AMPLIFIER WITH FM3 TESTED WORKING

USD$463 ≈ GBP$350

GB 7 Oct 2026

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eBay UK

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Quad 303 Power Amplifier ©HiFi Vintage. GWO Unmolested.

USD$337 ≈ GBP$255

GB 5 Oct 2026

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Quad 303 Amplifier - Serviced - Original Box - Power Lead - RCA to DIN Lead

USD$332 ≈ GBP$250

GB 1 Oct 2026

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eBay UK

Quad Stereo Power Amplifier

Quad 303 Stereo Power Amplifier Vintage British HiFi Untested

USD$283 ≈ GBP$214

GB 27 Sep 2026

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eBay UK

Quad Stereo Power Amplifier

QUAD 303 Stereo Power Amplifier Vintage British Hi-Fi Tested Working

USD$331 ≈ GBP$250

GB 25 Sep 2026

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eBay UK

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Quad 303 Power Amplifier (Modified)

USD$377 ≈ GBP$285

GB 25 Sep 2026

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Quad 303 Power Amplifier

USD$1,316 ≈ GBP$995

GB 25 Sep 2026

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Quad Stereo Power Amplifier

Quad 303 Power Amplifier Vintage Early Serial Number UK Good Working Order

USD$380

US 24 Sep 2026

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eBay UK

Quad Stereo Power Amplifier

Vintage Quad 303 stereo power amplifier, lovely condition, power cable

USD$430 ≈ GBP$325

GB 22 Sep 2026

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eBay UK

Quad Stereo Power Amplifier

Vintage Quad 303 stereo power amplifier, fully restored, stunning, power cable

USD$468 ≈ GBP$350

GB 16 Sep 2026

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eBay UK

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Quad 303 Power Amplifier Vintage good Used Condition

USD$345 ≈ GBP$256

GB 12 Sep 2026

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eBay UK ↓ 11%

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Quad 303 Power Amplifier Vintage good Used Condition

USD$294 ≈ GBP$219

GB 12 Sep 2026

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QUAD 303 Power Amplifier Serviced & upgraded by Amplabs (HPUG) in AUG 2026

USD$560 ≈ GBP$415

GB 11 Sep 2026

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eBay UK

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Quad 303 Power Amplifier working order but no cables

USD$270 ≈ GBP$200

GB 9 Sep 2026

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eBay UK ↓ 7%

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Quad 303 Power Amplifier Vintage Fully Serviced. Lightly Used Condition

USD$395 ≈ GBP$292

GB 8 Sep 2026

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eBay UK

Quad

Quad 303 - Power Amplifier - Good Condition

USD$246 ≈ GBP$182

GB 7 Sep 2026

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Reverb

Quad Stereo Power Amplifier

Quad 303 - Power Amplifier - Good

USD$236

AU 5 Sep 2026

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eBay UK

Quad

QUAD 303 Power Amplifier advert

USD$16 ≈ GBP$12

GB 3 Sep 2026

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