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300b amplifier

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300b amplifier for sale on largest auction and classifieds sites

Home / Guitar Amplifiers / 300b amplifier refurbished & used for sale | For Sale USA
Oilily a300bmk 300b tube - oilily,

Oilily a300bmk 300b tube - oilily,

$1299.00
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300b stereo vacuum tube - 300b,

300b stereo vacuum tube - 300b,

$844.43
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Minava 300b single ended - se-300b, single-ended

Minava 300b single ended - se-300b, single-ended

$835.96
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Assembled spartan tube - f1, amp

Assembled spartan tube - f1, amp

$452.20
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300b mono tube - amplifier, diy

300b mono tube - amplifier, diy

$230.00
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300b tube amplifier diy - amplifier,

300b tube amplifier diy - amplifier,

$380.00
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Pair western electric 91a - electric,

Pair western electric 91a - electric,

$768.00
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One pair 300b monoblock vacuum - pair,

One pair 300b monoblock vacuum - pair,

$820.00
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300b single stereo tube - 300b,

300b single stereo tube - 300b,

$1318.99
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Elekit 8900 single power - elekit,

Elekit 8900 single power - elekit,

$1049.99
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One matched pair - one,

One matched pair - one,

$221.55
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Triode trk 300 300b vacuum - triode,

Triode trk 300 300b vacuum - triode,

$1011.02
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Eltus 12qq mono tube - eltus, el-12qq

Eltus 12qq mono tube - eltus, el-12qq

$15999.88
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Oilily 300b vacuum - oilily, tube

Oilily 300b vacuum - oilily, tube

$1111.11
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Hifi 300b vacuum tube - 1,

Hifi 300b vacuum tube - 1,

$470.00
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Parallel tube 300b - an,

Parallel tube 300b - an,

$242.88
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Advance stella vacuum - hc-1,

Advance stella vacuum - hc-1,

$998.99
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Hifi 300b vacuum tube power - hifi,

Hifi 300b vacuum tube power - hifi,

$36.00
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Welborne labs laurel 300b - labs,

Welborne labs laurel 300b - labs,

$44.99
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Assembled hifi 300b - assembled,

Assembled hifi 300b - assembled,

$75.94
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Waiting audio 300b tube - audio,

Waiting audio 300b tube - audio,

$2980.00
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300b singled ended - 300b, amplifier

300b singled ended - 300b, amplifier

$3499.00
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Takatsuki 300b vacuum - ta−300b,

Takatsuki 300b vacuum - ta−300b,

$1968.19
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Rogue audio cronus integrated - audio,

Rogue audio cronus integrated - audio,

$1849.00
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Ceramic amphenol chicago - amphenol, 4

Ceramic amphenol chicago - amphenol, 4

$16.95
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Sophia electric 274b - sophia, mesh

Sophia electric 274b - sophia, mesh

$229.00
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San tango 300b tube single - tube,

San tango 300b tube single - tube,

$2490.00
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Audio enclosure chassis diy - enclosure/chassis,

Audio enclosure chassis diy - enclosure/chassis,

$149.99
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Spartan small 300b - small, amp

Spartan small 300b - small, amp

$455.05
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2pcs psvane 300b - psvane, 300b-n

2pcs psvane 300b - psvane, 300b-n

$300.09
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Edcor xpwr149 800v - xpwr149, (400-0-400)

Edcor xpwr149 800v - xpwr149, (400-0-400)

$269.00
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End 300b 6sn7 5u4g 8w - hi-end, 300b+6sn7+5u4g

End 300b 6sn7 5u4g 8w - hi-end, 300b+6sn7+5u4g

$75.50
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Line magnetic 805ia tube - line,

Line magnetic 805ia tube - line,

$3201.00
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300b vacuum tube amplifier pcb - vacuum,

300b vacuum tube amplifier pcb - vacuum,

$189.99
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Triode 300bd 300b - vp-300bd, tube

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

$1358.00
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Minava 300b tube - se-300b, amplifier

Minava 300b tube - se-300b, amplifier

$853.10
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300b parallel tube - an,

300b parallel tube - an,

$249.20
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1pc 300b tweed deluxe - 300b,

1pc 300b tweed deluxe - 300b,

$34.21
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Linlaitube 300bn 300b - 300bn, vacuum

Linlaitube 300bn 300b - 300bn, vacuum

$383.54
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Matched pair psvane replica - matched,

Matched pair psvane replica - matched,

$703.83
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300b stereo tube - se,

300b stereo tube - se,

$3200.00
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Stereo 300b vacuum tube - 300b, power

Stereo 300b vacuum tube - 300b, power

$199.99
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Melody push pull 300b tube - push-pull,

Melody push pull 300b tube - push-pull,

$2299.99
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Eltus mono tube power - mono,

Eltus mono tube power - mono,

$5999.88
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Psvane horizon series 300b - series, 300b-at

Psvane horizon series 300b - series, 300b-at

$249.99
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300b tube amplifier - tube,

300b tube amplifier - tube,

$199.99
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Hifi 300b vacuum - 300b, tube

Hifi 300b vacuum - 300b, tube

$72.10
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Hifi 300b vacuum - 300b,

Hifi 300b vacuum - 300b,

$452.00
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1pc hifi class single ended - 1pc,

1pc hifi class single ended - 1pc,

$522.00
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300b tube amplifier no - 300b,

300b tube amplifier no - 300b,

$3500.00
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Hashimoto 300b power - hashimoto,

Hashimoto 300b power - hashimoto,

$537.13
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Uotang mk9000 audiophile - mk9000, audiophile-grade

Uotang mk9000 audiophile - mk9000, audiophile-grade

$2458.60
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Magical 2026 new sophia - 2026,

Magical 2026 new sophia - 2026,

$1599.99
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Magnequest 030 output - fs-030,

Magnequest 030 output - fs-030,

$750.00
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Elekit 873le 300b tube - elekit,

Elekit 873le 300b tube - elekit,

$949.99
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Line magnetic tube amplifier - line,

Line magnetic tube amplifier - line,

$3999.00
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Sophia electric 300b - electric,

Sophia electric 300b - electric,

$2950.00
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Minava 300b single - se-300b, single-ended

Minava 300b single - se-300b, single-ended

$922.08
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Sun audio 300be 300b single - sun, sv-300be

Sun audio 300be 300b single - sun, sv-300be

$3045.99
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Allnic 300b monoblock power

Allnic 300b monoblock power

$4900.00
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Triode trx p300m 300b class - 300b, a

Triode trx p300m 300b class - 300b, a

$3630.00
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Grade sophia electric - grade,

Grade sophia electric - grade,

$229.99
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For minava 300b - for,

For minava 300b - for,

$871.00
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Vtg jvc integrated amplifier - jvc,

Vtg jvc integrated amplifier - jvc,

$60.00
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Sophia electric delay board - sophia,

Sophia electric delay board - sophia,

$49.99
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Psvane horizon series 300b - psvane,

Psvane horizon series 300b - psvane,

$299.15
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Elekit power amplifier vacuum - power,

Elekit power amplifier vacuum - power,

$1049.00
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Takatsuki 300b vacuum - ta−300b,

Takatsuki 300b vacuum - ta−300b,

$1480.55
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Bottle head paramount 0 - paramount, v1.0

Bottle head paramount 0 - paramount, v1.0

$1999.00
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1pc class single ended - hi-fi,

1pc class single ended - hi-fi,

$522.00
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Quicksilver 300b set mono - 300b,

Quicksilver 300b set mono - 300b,

$5700.00
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1pc class single ended - 1pc, a

1pc class single ended - 1pc, a

$708.80
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One pair class - pair, a

One pair class - pair, a

$779.00
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Single end class 6f3 - class, 6f3+300b

Single end class 6f3 - class, 6f3+300b

$819.00
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Oldchen stereo tube - oldchen,

Oldchen stereo tube - oldchen,

$819.21
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Willsenton r300 plus 8w - plus, 8w+8w

Willsenton r300 plus 8w - plus, 8w+8w

$1569.40
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Pair eltus 12 mono - mono, tube

Pair eltus 12 mono - mono, tube

$5826.00
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Freed 36912 2a3 - 36912, single

Freed 36912 2a3 - 36912, single

$288.00
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Line magnetic tube - tube, amplifier

Line magnetic tube - tube, amplifier

$3147.99
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Willsenton r300 plus 8w - willsenton,

Willsenton r300 plus 8w - willsenton,

$1569.40
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San tango 300b - , with

San tango 300b - , with

$2880.00
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Single ended tube amplifier - tube,

Single ended tube amplifier - tube,

$862.60
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Vacuum tube amplifier - amplifier, chassis

Vacuum tube amplifier - amplifier, chassis

$423.76
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Sansui outpt transformers - sansui,

Sansui outpt transformers - sansui,

$399.00
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2pcs psvane tube - psvane, new

2pcs psvane tube - psvane, new

$259.00
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Western electric 300b vacuum - western,

Western electric 300b vacuum - western,

$230.53
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Inland controls model 300b - controls,

Inland controls model 300b - controls,

$300.00
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Hifi 300b vacuum tube - vacuum,

Hifi 300b vacuum tube - vacuum,

$79.94
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1pc 300b single - single, ended

1pc 300b single - single, ended

$48.87
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Elekit 300b 2a3 single - elekit,

Elekit 300b 2a3 single - elekit,

$1189.98
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Otomon lab 71a 101d drive - 71a/101d, 300b

Otomon lab 71a 101d drive - 71a/101d, 300b

$5800.00
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Willsenton 800i single ended - willsenton,

Willsenton 800i single ended - willsenton,

$3026.88
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Class single ended 300b - single,

Class single ended 300b - single,

$494.00
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300b 2a3 vacuum - 2a3, tube

300b 2a3 vacuum - 2a3, tube

$87.99
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Kyowa wgi 300b japan used - -,

Kyowa wgi 300b japan used - -,

$186.00
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Gerber file audionote 300b - gerber, k1

Gerber file audionote 300b - gerber, k1

$16.88
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📊96 listings · from $16.88 · avg $1416.43
⚠️ These listings were last updated more than 14 days ago. Search for fresh listings

Browse 96 300b amplifier listings currently in our index. Prices range from $16.88 to $15999.88, with an average of $1416.43. 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 amplifier →

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Everything you need to know about 300b amplifier

Whether you are looking for a brand-new or second-hand 300b amplifier, 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 $16.88, while premium listings can reach $15999.88 — giving you a wide budget spread to work with. The average price of $1416.43 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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