Vacuum Tube - EF86 / 6267, Tube Amp Doctor, Premium Selected

Tube Amp Doctor (TAD)
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Vacuum Tube - EF86 / 6267, Tube Amp Doctor, Premium Selected

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The Tube Amp Doctor EF86 / 6267 is a low noise and low microphonic version of the vintage pentode. These tubes were famously used in classic HiFi equipment and microphone preamps. The original Vox® AC15 circuit also used an EF86 and now, thanks to its recent availability, there are plenty of options for guitar amplifiers utilizing this unique tube.

The TAD EF86 / 6267 meets all of the standards of the Tube Amp Doctor Premium Selection process. This tube has a rugged construction featuring an aesthetically pleasing perforated shield. The TAD EF86 / 6267 will work in and EF86 or 6267 position.

RoHS Compliant
Item ID:
Tube Amp Doctor (TAD)
Product Measurements
Body Height49.2 mm
Bulb Temperature170°C
Cathode Current (Ik)6 mA
Cathode Negative Voltage50 V
Cathode Positive Voltage100 V
D.C. Grid Voltage, negative-100 V
D.C. Grid Voltage, positive0 V
D.C. Plate Voltage300 V
Grid 1 to All Except Plate Capacitance3.8 pF
Grid 1 to Heater Capacitance0.0025 pF
Grid 1 to Plate Capacitance0.05 pF
Grid 2 Dissipation0.2 W
Grid 2 Voltage200 V
Heater Current200 mA
Heater Voltage6.3 V
Item Diameter22.2 mm
Item Height55.6 mm
Plate Dissipation (Wa)1.0 W
Plate to All Except Grid 1 Capacitance5.1 pF
Packaging Information
Packaging Dimensions3.25 in. × 1 in. × 1 in.
Weight (Packaging)0.038 lbs.

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PDF: Specification Sheet Specification Sheet143.67 KB

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