RS PRO Pentode Thermionic Valve 22 mm, 57 mm, 22 (Dia.) x 77.8 mm

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Subtotal (1 unit)*

£10.98

(exc. VAT)

£13.18

(inc. VAT)

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  • 295 unit(s) shipping from 03 March 2026
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1 - 4£10.98
5 - 9£10.57
10 - 24£10.20
25 - 49£9.84
50 +£9.60

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RS Stock No.:
678-4120
Brand:
RS PRO
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Brand

RS PRO

Product Type

Pentode Thermionic Valve

Output Voltage

500 V

Mount Type

PCB

Pin Count

9

Overall Length

77.8mm

Dimensions

22 (Dia.) x 77.8 mm

Length

57mm

Diameter

22 mm

COO (Country of Origin):
CN

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

RS Product Codes for Valve Bases

678-4094 GZC9-F B9A

678-4098 GZC8-1 Octal