300b tube
300b tube for sale on Ireland's largest auction and classifieds sites
2pcs matched psvane classic - matched, - £148.90
2pcs 300b factory • Matched tested 100 • Bra new original - Free postage - New and Used
2pcs 300b factory • Matched tested 100 • Bra new original - Free postage - New and Used
300b chinese looks new but - looks, - £42.50
300b chinese these • Look new but • Test used tube - Free postage - New and Used
300b chinese these • Look new but • Test used tube - Free postage - New and Used
Golden dragon 300b valves - dragon, - £156.70
Have two pairs • Golden dragon 300b • Since sold amplifier - Free postage - New and Used
Have two pairs • Golden dragon 300b • Since sold amplifier - Free postage - New and Used
300b cossor china - 300b, - £180.00
300b cossor matched • Pair tubes gold • Pin ceramic base - Free postage - New and Used
300b cossor matched • Pair tubes gold • Pin ceramic base - Free postage - New and Used
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Ux4 valve plug - plug, electron - £6.95
Ux4 valve plug • Base not socket • 300b 2a3 572b - Free postage - New and Used
Ux4 valve plug • Base not socket • 300b 2a3 572b - Free postage - New and Used
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48 listings · from £4.22 · avg £371.97
Browse 48 300b tube listings currently in our index. Prices range from £4.22 to £3676.11, with an average of £371.97. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 300b tube →
1pc psvane acme series end - series, hi-end - £380.70
Tube multiple model • Selectable fix any • Issues till you - Free postage - New and Used
Tube multiple model • Selectable fix any • Issues till you - Free postage - New and Used
2pcs matched linlai elite - 2pcs, - £168.26
Linlai elite series • Vacuum tube end - Free postage - New and Used
Linlai elite series • Vacuum tube end - Free postage - New and Used
Matched pair psvane - matched, - £187.06
- Free postage - New and Used
- Free postage - New and Used
Audio 300b vacuum tube - kr, - £169.42
Single audio 300b • Tube has low • Hours box papers - Free postage - New and Used
Single audio 300b • Tube has low • Hours box papers - Free postage - New and Used
300b sovtek ussr - sovtek, pair - £300.00
300b sovtek made • Ussr matched pair • Tubes tube 5mm - Free postage - New and Used
300b sovtek made • Ussr matched pair • Tubes tube 5mm - Free postage - New and Used
1pc psvane we300b tube western - tube, - £299.99
1pc psvane we300b • Tube western electric • Replica tested new - Free postage - New and Used
1pc psvane we300b • Tube western electric • Replica tested new - Free postage - New and Used
Mission labs 300b mesh valves - labs, - £679.90
300 hrs use - Free postage - New and Used
300 hrs use - Free postage - New and Used
20pcs vacuum tube - 4-20pcs, silicone - £4.22
Silicone damper ring • 18mm 6a2 6k4 • 6z4 39mm 2a3 - Free postage - New and Used
Silicone damper ring • 18mm 6a2 6k4 • 6z4 39mm 2a3 - Free postage - New and Used
New matched pair - matched, - £710.22
Bought never used • Matching pair - Free postage - New and Used
Bought never used • Matching pair - Free postage - New and Used
Original antique audiophile - £61.26
Western electric voice • Weight lbs sold • Untested only use - Free postage - New and Used
Western electric voice • Weight lbs sold • Untested only use - Free postage - New and Used
Matched pair psvane - matched, - £196.00
Rate item arrived • Factory matched tested • United kingdom model - Free postage - New and Used
Rate item arrived • Factory matched tested • United kingdom model - Free postage - New and Used
Matched pair linlai - pair, 300b - £129.59
Type 300b two • Matched pair - Free postage - New and Used
Type 300b two • Matched pair - Free postage - New and Used
Hifi ank 300b single ended - hifi, - £78.00
Amplifier 2pcs 300b • 5687 hifi resistors • Pcb 178mm 193mm - Free postage - New and Used
Amplifier 2pcs 300b • 5687 hifi resistors • Pcb 178mm 193mm - Free postage - New and Used
Cetron 300b one nos - cetron, strong - £511.21
- Free postage - New and Used
- Free postage - New and Used
2pcs matched psvane mark ii - matched, - £140.06
Fix any issues • Till you satisfied - Free postage - New and Used
Fix any issues • Till you satisfied - Free postage - New and Used
Western electric 300b - western, - £425.38
314 side tip • Plastic part inside • Discolored 418 - Free postage - New and Used
314 side tip • Plastic part inside • Discolored 418 - Free postage - New and Used
Matched pair psvane cossor - 1, - £263.99
Rate item arrived • Matched pair cossor • Vacuum tubes300b model - Free postage - New and Used
Rate item arrived • Matched pair cossor • Vacuum tubes300b model - Free postage - New and Used
300b tube amplifier - diy, kit - £301.84
Toroidal design provides • High efficiency low • Noise minimal hum - Free postage - New and Used
Toroidal design provides • High efficiency low • Noise minimal hum - Free postage - New and Used
18046 valvo quad - valvo, - £43.60
18046 valvo - Free postage - New and Used
18046 valvo - Free postage - New and Used
Matched pair 300b new valve - matched, - £200.00
- Free postage - New and Used
- Free postage - New and Used
300b billington gold special - 300b, - £200.00
300b billington gold • Special matched pair • Nos tube valve - Free postage - New and Used
300b billington gold • Special matched pair • Nos tube valve - Free postage - New and Used
Px300b genalex gold lion - gold, - £278.09
Genalex gold lion • Px300b power triode • Pins made russia - Free postage - New and Used
Genalex gold lion • Px300b power triode • Pins made russia - Free postage - New and Used
300b triode valve tube - triode, - £105.00
Royal mail international • 300b triode valve • Tube made china - Free postage - New and Used
Royal mail international • 300b triode valve • Tube made china - Free postage - New and Used
Triode trv a300se 300b - triode, trv-a300se - £1127.76
Note new 300b • Little taller will • Interfere hood tube - Free postage - New and Used
Note new 300b • Little taller will • Interfere hood tube - Free postage - New and Used
Western electric 300b vacuum - western, - £156.70
This was brought • New from western • Electric unfortunately arrival - Free postage - New and Used
This was brought • New from western • Electric unfortunately arrival - Free postage - New and Used
Matched pair golden dragon - pair, - £320.00
- Free postage - New and Used
- Free postage - New and Used
Hifi 300b valve - 300b, power - £159.99
Reasonable layout circuit • Reproduce classic style • 300b tube amplifier - Free postage - New and Used
Reasonable layout circuit • Reproduce classic style • 300b tube amplifier - Free postage - New and Used
Two western electric - western, - £3676.11
Tested amplitrex 1000 • Computerized tube tester • Fixed bias mode - Free postage - New and Used
Tested amplitrex 1000 • Computerized tube tester • Fixed bias mode - Free postage - New and Used
Defective 300b hifi mono valve - defective-300b, - £592.19
Features independent mono • Power supply signal • Ground wire deeper - Free postage - New and Used
Features independent mono • Power supply signal • Ground wire deeper - Free postage - New and Used
Takatsuki matched pair vacuum - pair, - £1197.75
Matched pair type • Vacuum tube are • Located japan maximum - Free postage - New and Used
Matched pair type • Vacuum tube are • Located japan maximum - Free postage - New and Used
Electo harmonix 300b gold - harmonix, pin - £146.30
Electro harmonix 300b • Matched pair gold • Pin valves they - Free postage - New and Used
Electro harmonix 300b • Matched pair gold • Pin valves they - Free postage - New and Used
2pcs matched psvane treasure - 2pcs, - £134.23
- Free postage - New and Used
- Free postage - New and Used
Matched psvane art 300b - psvane, - £302.30
- Free postage - New and Used
- Free postage - New and Used
Original antique audiophile - £105.64
Western electric voice • Weight 12lbs sold • Untested only use - Free postage - New and Used
Western electric voice • Weight 12lbs sold • Untested only use - Free postage - New and Used
Tad matched psvane fi - matched, hi-fi - £184.21
- Free postage - New and Used
- Free postage - New and Used
Factory matched pair electron - factory, - £208.70
Electron tube 300b • Valves new factory • Matched pair high - Free postage - New and Used
Electron tube 300b • Valves new factory • Matched pair high - Free postage - New and Used
Golden dragon 300b valves - golden, / - £156.70
Have two pairs • Golden dragon 300b • Since sold amplifier - Free postage - New and Used
Have two pairs • Golden dragon 300b • Since sold amplifier - Free postage - New and Used
Takatsuki 300b vacuum - ta−300b, - £1258.03
Type vacuum tube • Maximum plate current • Loss 40w base - Free postage - New and Used
Type vacuum tube • Maximum plate current • Loss 40w base - Free postage - New and Used
Manufactured western - manufactured, - £258.93
Find out what • Tube aficionados all • Over globe know - Free postage - New and Used
Find out what • Tube aficionados all • Over globe know - Free postage - New and Used
New box matching pair - matching, - £1072.72
New box tubes • Are checked manufacturer - Free postage - New and Used
New box tubes • Are checked manufacturer - Free postage - New and Used
1pc psvane acme - psvane, hi-end - £234.06
Tube multiple model • Selectable fix any • Issues till you - Free postage - New and Used
Tube multiple model • Selectable fix any • Issues till you - Free postage - New and Used
Original antique audiophile - £132.28
Western electric voice • Weight 18.5 lbs • Sold untested only - Free postage - New and Used
Western electric voice • Weight 18.5 lbs • Sold untested only - Free postage - New and Used
Original antique audiophile - £61.26
Western electric voice • Weight 6.8 lbs • Sold untested only - Free postage - New and Used
Western electric voice • Weight 6.8 lbs • Sold untested only - Free postage - New and Used
Try this: 6550 tube | 6l6 tube | 807 valve | black white portable tv | ecc83 valve | ez81 valve | ferrograph reel reel | garrard plinth | gec kt88 | glass valve
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Everything you need to know about 300b tube
Whether you are looking for a brand-new or second-hand 300b tube, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £4.22, while premium listings can reach £3676.11 — giving you a wide budget spread to work with. The average price of £371.97 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.