RS Components
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RS PRO Double Triode Thermionic Valve, B9A Base, 1W, 12.6V, 22.5 (Dia.) x 57mm

Temporarily out of stock - back order for despatch 08/06/2021, delivery within 4 working days from despatch date
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Price Each (In a Box of 100)


(exc. GST)


(inc. GST)



RS Stock No.:
COO (Country of Origin):
unitsPer unitPer Box*
100 +SGD11.629SGD1,162.90
*price indicative

Thermionic Valves

A range of classic thermionic valves or 'vacuum tubes' for use in audio frequency amplifiers. Matched pair and quad sets are available for the EL34 and KT88 types.

RS Product Codes
678-4101 12AT7 ECC81 Double Triode, B9A base
678-4105 12AU7 ECC82 Double Triode, B9A base
678-4114 12AX7 ECC83 Double Triode, B9A base
678-4120 EL84 EL84 Output Pentode, B9A base
678-4108 6L6GC 6L6GC Beam Pentode, octal base
678-4117 EL34-B EL34 Output Pentode, octal base
678-4127 EL34-B-1 EL34 Output Pentode, octal base, matched pair set
678-4111 EL34-B EL34 Output Pentode, octal base, matched quad set
678-4123 KT88-98 KT88 Beam Tetrode, octal base
678-4136 KT88-98-1 KT88 Beam Tetrode, octal base, matched pair set
678-4139 KT88-98-2 KT88 Beam Tetrode, octal base, matched quad set

RS Product Codes for Valve Bases
678-4094 GZC9-F B9A
678-4098 GZC8-1 Octal

Heater Current0.15 A, 0.3 A
Heater Voltage12.6 V, 6.3V
Voltage Output330V
Anode Power1W
Base TypeB9A
Pin Count9
Dimensions22.5 (Dia.) x 57mm
Body Length50mm
Overall Length57mm