Telefunken EL34-TK Black Diamond Series Power Amp Tube

Telefunken EL34-TK Black Diamond Series Power Amp Tube

Telefunken EL34-TK Black Diamond Series Power Amp Tube

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Expected availability: 7-14 business days

Product Highlights

  • For Guitar, Hi-Fi Amps
  • Higher Plate Voltage than 6L6 Tube
  • "British Tone"

This item is noncancelable and nonreturnable

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Telefunken EL34-TK overview

  • 1Description

The EL34-TK Black Diamond Series Power Amp Tube from Telefunken is designed to handle slightly higher grid voltage than traditional EL34 tubes, and can be used in both guitar and Hi-Fi amplifiers. It is typically used in many guitar amplifiers known for "British tone", such as Marshall and Hi-Watt.

Table of Contents
  • 1Description

Telefunken EL34-TK specs

Type A.F. Output Pentode
Base Octal
Number of Pins 7
Heater Requirements
Voltage 6.3 V
Current 1.5 A
Direct Interelectrode Capacitances
Capacitance Grid #1 to All Except Plate: 15.5 pF
Plate to All Except Grid #1: 10 pF
Plate to Grid #1: 1.5 pF
Maximum Ratings
Voltage Plate Voltage (in cold condition): 2000 V
Plate Voltage: 800 V
Grid #2 Voltage (in cold condition): 800 V
Grid #2 Voltage: 450 V
Cathode to Heater Voltage: 100 V
Current Cathode Current: 150 mA
Dissipation Plate Dissipation: 25 W
Grid #2 Dissipation: 8 W
Resistance Cathode to Heater Resistance: 20 kOhms
Typical Operation and Characteristics
Voltage Plate Voltage: 250 V
Grid #3 Voltage: 0 V
Grid #2 Voltage: 265 V
Grid #1 Voltage: -10 to -13.5 V
Current Plate Current: 100 mA
Grid #2 Current: 14.9 mA/V
Plate Current at Cutoff: <7 mA
Transconductance 11 mA/V
Resistance Internal Plate Resistance: 15 kOhms
Amplification Amplification Factor: 11 µ

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