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300b tube

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300b tube for sale on largest auction and classifieds sites

Home / Other Pro Audio Equipment / 300b tube refurbished & used for sale | For Sale USA
Western electric 300b tube - electric,

Western electric 300b tube - electric,

$1600.00
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Linlai sapphire 300b - linlai,

Linlai sapphire 300b - linlai,

$249.00
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300b graphite copper alloy - graphite,

300b graphite copper alloy - graphite,

$488.92
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Matched pair for - pair,

Matched pair for - pair,

$238.40
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Pieces stock new - b-stock,

Pieces stock new - b-stock,

$599.99
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300b high power - 2,

300b high power - 2,

$259.00
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300b mono tube - mono, diy

300b mono tube - mono, diy

$230.00
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Transcendent sound the - transcendent,

Transcendent sound the - transcendent,

$1000.00
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300b tube amplifier - kit,

300b tube amplifier - kit,

$380.00
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300b single end - single, tube

300b single end - single, tube

$349.95
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Golden voice 300b plus - golden,

Golden voice 300b plus - golden,

$234.54
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Two western electric 300b - western,

Two western electric 300b - western,

$4500.00
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1pc linlai 300b vacuum tube - linlai,

1pc linlai 300b vacuum tube - linlai,

$55.99
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Space tech laboratory - space-tech,

Space tech laboratory - space-tech,

$2950.00
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2pcs guiguang nos 4300b vacuum - guiguang,

2pcs guiguang nos 4300b vacuum - guiguang,

$157.00
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Matched pair psvane 300b z - 1,

Matched pair psvane 300b z - 1,

$405.30
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We300b shuguang matched pair - we300b,

We300b shuguang matched pair - we300b,

$496.00
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Linlai 300b vacuum - linlai, tube

Linlai 300b vacuum - linlai, tube

$79.70
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300b tubes matched psvane - 300b,

300b tubes matched psvane - 300b,

$459.90
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Sophia electric 274b mesh - electric,

Sophia electric 274b mesh - electric,

$229.00
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Matched pair psvane 300b - psvane, 300b-n

Matched pair psvane 300b - psvane, 300b-n

$300.00
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6j7g tubes raytheon - 6j7g, nos

6j7g tubes raytheon - 6j7g, nos

$250.00
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Hifi 300b vacuum - hifi,

Hifi 300b vacuum - hifi,

$36.00
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New western electric tube - new,

New western electric tube - new,

$3.75
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Western electric 300b vacuum - 300b,

Western electric 300b vacuum - 300b,

$100.00
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New genalex reissue - new, current

New genalex reissue - new, current

$431.92
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Western electric 300b - u.s.a,

Western electric 300b - u.s.a,

$350.00
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Western electric 300b - electric, we

Western electric 300b - electric, we

$2490.00
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Rare nos nib pair direct - rare, nos/nib

Rare nos nib pair direct - rare, nos/nib

$100.00
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Horizon series 300b - series, 300b-at

Horizon series 300b - series, 300b-at

$428.58
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Oilily 300b vacuum tube - vacuum,

Oilily 300b vacuum tube - vacuum,

$1111.11
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New matched pair psvane - new, 1

New matched pair psvane - new, 1

$422.44
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Matched pair psvane 300b - matched, 300b-z

Matched pair psvane 300b - matched, 300b-z

$407.30
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300b electro harmonix gold - electro-harmonix,,

300b electro harmonix gold - electro-harmonix,,

$299.90
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Two electro harmonix - two,

Two electro harmonix - two,

$389.00
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Brand new box - brand, genalex

Brand new box - brand, genalex

$200.48
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2pcs matched psvane 300b - psvane, 300b-z

2pcs matched psvane 300b - psvane, 300b-z

$235.29
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1pc psvane acme series 300b - 1pc,

1pc psvane acme series 300b - 1pc,

$454.77
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Cary audio 300b - cary,

Cary audio 300b - cary,

$490.00
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Matched pair psvane vacuum - psvane,

Matched pair psvane vacuum - psvane,

$387.00
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10x 4pin tube - tube, socket

10x 4pin tube - tube, socket

$19.63
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Matched pair psvane 300b - 1,

Matched pair psvane 300b - 1,

$235.29
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300b pair valve art power - 300b,

300b pair valve art power - 300b,

$399.00
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Russian 6p14p 6п14п el84 - russian, (el84

Russian 6p14p 6п14п el84 - russian, (el84

$13.97
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Two electro harmonix 300b gold - two,

Two electro harmonix 300b gold - two,

$429.00
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Psvane 300b mark vacuum - ii,

Psvane 300b mark vacuum - ii,

$429.00
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Western electric 300b 1953 - electric,

Western electric 300b 1953 - electric,

$2200.00
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Audio enclosure chassis diy - gp-audio, enclosure/chassis

Audio enclosure chassis diy - gp-audio, enclosure/chassis

$149.99
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Matched pair shuguang 50 - matched,

Matched pair shuguang 50 - matched,

$318.04
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Western electric 300b vacuum - 300b,

Western electric 300b vacuum - 300b,

$242.66
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New current matched - matched, (4)

New current matched - matched, (4)

$567.51
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Western electric 300b - western, yellow

Western electric 300b - western, yellow

$3677.13
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10pcs black bakelite - 10pcs, tube

10pcs black bakelite - 10pcs, tube

$19.23
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1958 western electric 300b - 1958,

1958 western electric 300b - 1958,

$2500.00
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Tube socket pin - pin,

Tube socket pin - pin,

$3.75
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National ceramic 8 - ceramic, 4

National ceramic 8 - ceramic, 4

$39.95
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Western electric 300b - electric,

Western electric 300b - electric,

$2200.00
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Tube preamplifier amplifier - 22, preamplifier/amplifier

Tube preamplifier amplifier - 22, preamplifier/amplifier

$110.00
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300b electronic triode - jj,

300b electronic triode - jj,

$368.08
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10pcs 4pin tube socket - 10pcs,

10pcs 4pin tube socket - 10pcs,

$19.15
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Triode 300bd 300b tube - vp-300bd,

Triode 300bd 300b tube - vp-300bd,

$1358.00
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Golden voice 300b plus - golden, vacuum

Golden voice 300b plus - golden, vacuum

$239.39
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Pair genalex gold lion px - gold,

Pair genalex gold lion px - gold,

$391.90
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Vacuum tube display stand - tube,

Vacuum tube display stand - tube,

$21.99
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Tube type 262b engraved base - 262b,

Tube type 262b engraved base - 262b,

$450.00
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New matched pair psvane - 1,

New matched pair psvane - 1,

$411.99
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Triode trk 300 - 300b, vacuum

Triode trk 300 - 300b, vacuum

$1011.02
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Western electric 300b pair - 300b,

Western electric 300b pair - 300b,

$2185.38
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Shuguang we300b western - x,

Shuguang we300b western - x,

$498.00
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Genuine western electric - western,

Genuine western electric - western,

$999.00
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Pair western electric - 1, 91a

Pair western electric - 1, 91a

$768.00
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Western electric 300b - western, empty

Western electric 300b - western, empty

$65.00
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Pair 300b power vacuum - of, jj

Pair 300b power vacuum - of, jj

$365.90
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4x4 pin vintage - 4x4, national

4x4 pin vintage - 4x4, national

$15.95
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Western electric 300b vacuum - western,

Western electric 300b vacuum - western,

$1895.00
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Minava 300b tube amplifier - se-300b,

Minava 300b tube amplifier - se-300b,

$853.10
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300b sovtek power - power, tube

300b sovtek power - power, tube

$119.00
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New box matching - box, pair

New box matching - box, pair

$1600.00
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Sovtek 300b tube quad - tube,

Sovtek 300b tube quad - tube,

$1050.00
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300b power vacuum - 300b,

300b power vacuum - 300b,

$182.95
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Matched pair psvane classic - matched,

Matched pair psvane classic - matched,

$151.59
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Matched pair psvane - 1,

Matched pair psvane - 1,

$402.69
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2pcs guiguang nos 4300b - 2pcs,

2pcs guiguang nos 4300b - 2pcs,

$127.30
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1pc linlai 300b vacuum tube - 1pc, 300b-98

1pc linlai 300b vacuum tube - 1pc, 300b-98

$55.04
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Waiting audio 300b tube - 300b,

Waiting audio 300b tube - 300b,

$2980.00
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2pcs linlai 300bn 300b - linlai,

2pcs linlai 300bn 300b - linlai,

$190.00
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Brand new factory - new,

Brand new factory - new,

$166.62
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Western electric 300b - western,

Western electric 300b - western,

$1895.00
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Amptata ux4 4pin - amptata, tube

Amptata ux4 4pin - amptata, tube

$11.66
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1pc class single ended - 1pc, a

1pc class single ended - 1pc, a

$522.00
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Quad 300b power vacuum - power,

Quad 300b power vacuum - power,

$731.80
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Best amplitrex tube testing - amplitrex,

Best amplitrex tube testing - amplitrex,

$99.95
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300b tube amplifier no - amplifier,

300b tube amplifier no - amplifier,

$3500.00
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300b shuguang matched - /, pair

300b shuguang matched - /, pair

$285.60
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Matched pair for psvane - 1,

Matched pair for psvane - 1,

$160.88
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Tad matched psvane fi - tad, hi-fi

Tad matched psvane fi - tad, hi-fi

$249.00
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📊96 listings · from $3.75 · avg $664.61
⚠️ These listings were last updated more than 9 days ago. Search for fresh listings

Browse 96 300b tube listings currently in our index. Prices range from $3.75 to $4500, with an average of $664.61. 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 →

Try this: 6lq6 tube | mackie control universal | quadraphonic receiver | alesis qs8 | mackie cfx12 mixer | marantz 2015 | marantz 2238 | marantz 2270 | marantz 2275 | pioneer sx 950

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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 96 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 $3.75, while premium listings can reach $4500 — giving you a wide budget spread to work with. The average price of $664.61 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.

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