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300B 2A3
- 12AT7 ECC81
- 12AU7 ECC82
- 12AX7 ECC83 5751
- 12BH7
- 300B 2A3
- 5670
- 5687
- 6550
- 6973
- 6AK5 5654 6J1
- 6CG7 6FQ7
- 6DJ8 6922 E88CC 6H30Pi 6N23P
- 6L6 5881
- 6SN7 6SL7
- 6V6
- 7027
- 7591A
- EL34 6CA7 KT77
- EL84 6BQ5
- KT 120
- KT 150
- KT66
- KT88
- MATCHED SETS - PAIRS AND QUADS
- RECTIFIERS
- VALVE / TUBE TESTING
- VALVE TUBE SOCKETS
- Various NOS
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300B 2A3
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 2 products.
Showing 1 - 2 of 2 items
$110.00 BACKORDER.ELECTRO HARMONIX 300B
EHX 300B. Russian manufacture. Eight course heater. Directly heated triode.
$110.00BACKORDER.
$110.00 In StockSOVTEK 2A3
SOVTEK 2A3 - Power tube. Directly heated Triode - D.H.T. Made in Russia. Typical of the SOVTEK brand, these are built well and sound great.
$110.00In Stock
Showing 1 - 2 of 2 items