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Mullard

Name: EL85
Brand: Mullard
SKU: EL85 (Box C)
Price: 25.00 GBP
Availability: InStock

EL85

£25.00 £20.83

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In stock

SKU

EL85 (Box C)

Brand

Mullard

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Mullard GB, EL85

The EL85 (also known as 6BW6) is a beam power pentode tube made by several manufacturers — Mullard, Philips, Valvo, etc. — primarily during the 1950s–1970s. The EL85 is somewhat similar in performance to the EL84 (6BQ5) but with lower power output and slightly different biasing.

Type: Beam Power Pentode
Designation: EL85 / 6BW6
Manufacturer: Mullard (UK), also by Philips group companies
Base: B9A (noval, 9-pin miniature)
Heater Voltage: 6.3 V
Heater Current: 0.45 A
Typical Use: Audio output stage, RF power amplifier, or small transmitter output tube

The Mullard EL85 is prized among collectors and tube amp builders for its build quality and consistent tone.
It’s not a drop-in substitute for EL84 or EL86 — their pinouts and characteristics differ.
NOS (New Old Stock) Mullard EL85 tubes are occasionally available and sought after by hi-fi enthusiasts.