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300B 2A3
- 12AT7 ECC81
- 12AU7 ECC82
- 12AX7 ECC83 5751 7025
- 12AY7 12AV7
- 12BH7
- 300B 2A3
- 5670
- 5687
- 6550
- 6973
- 6AK5 5654 6J1 6AU6
- 6AQ8 ECC85
- 6AS7 6080
- 6C45PI
- 6CG7 6FQ7
- 6DJ8 6922 E88CC 6H30Pi 6N23P ECC99
- 6EU7
- 6L6 5881
- 6SN7 6SL7
- 6V6
- 7027
- 7591A
- AUDIO CONNECTORS
- AUDIO RESEARCH
- B - STOCK
- CAPACITORS
- EF86 EF806S
- EL34 6CA7 KT77
- EL84 6BQ5
- FUSES
- GUITAR STRINGS
- HI FI POWER CABLE
- KT 120
- KT 150
- KT170
- KT66
- KT88
- MATCHED SETS - PAIRS AND QUADS
- PRIMALUNA UPGRADE
- RECTIFIERS
- SPEAKER CABLE
- SUBMINIATURE
- TAG STRIPS
- TOSLINK OPTICAL
- VALVE & TUBE BOXES
- VALVE / TUBE TESTING
- VALVE AMP TUBE SETS
- VALVE TUBE SOCKETS
- Various NOS
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300B. A classic DHT (Directly Heated Triode) . Very popular in SET (Single Ended Triode) HiFi Amplifiers as a Power Valve or voltage regulator.
2A3. Power Triode. Four pin UX4 type base. Seen in many Mono Blocks and Class A amplifiers.
300B 2A3 There are 6 products.
$230.00 Out of stockSOVTEK 2A3
SOVTEK 2A3 - Power tube Directly heated Triode - D.H.T. Made in Russia The best currently produced 2A3
$230.00Out of stock
$250.00 IN STOCKELECTRO HARMONIX 300B
EHX ELECTRO HARMONIX 300B Russian manufacture Eight course heater Directly heated triode Gold Pins **Order two for Matched Pair
$250.00IN STOCK
$450.00 IN STOCKELECTRO HARMONIX GOLD 300B
EHX GOLD 300B D.H.T. Gold plated grids Eight course heater **Order two for matched pair
$450.00IN STOCK
$505.00 IN STOCKGOLD LION PX2A3
GENALEX GOLD LION PX2A3. Made in Russia Gold Pins Heavy gettering The ultimate current production 2A3.
$505.00IN STOCK
$600.00 IN STOCKGOLD LION PX 300B
GENALEX GOLD LION PX300B. Made in Russia Gold Pins Heavy gettering Eight course heater The ultimate current production 300B ORDER TWO FOR MATCHED PAIR = 2 VALVES
$600.00IN STOCK
$325.00 IN STOCK