Telefunken KT88-TK Black Diamond Series Guitar Power Amplifier Tube

Telefunken KT88-TK Black Diamond Series Guitar Power Amplifier Tube

Telefunken KT88-TK Black Diamond Series Guitar Power Amplifier Tube

B&H # TEKT88TK MFR # KT88-TK
Telefunken KT88-TK Black Diamond Series Guitar Power Amplifier Tube

Telefunken KT88-TK Black Diamond Series Guitar Power Amplifier Tube Item Packaging

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Expected availability: 7-14 business days

Product Highlights

  • High Power/Low Distortion
  • Expanded High & Low End

This item is noncancelable and nonreturnable

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You Pay: $84.00

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  • 1Description

The KT88-TK Black Diamond Series Guitar Power Amplifier Tube from Telefunken is characterized by high power and low distortion, providing a higher gain tone with less distortion than a 6550 tube.

UPC: 858513005025
Table of Contents
  • 1Description
Mechanical
Type A.F. Beam Pentode
Base Octal
Number of Pins 7
Heater Requirements
Voltage 6.3 V
Current 1.6 A
Direct Interelectrode Capacitances
Capacitance Grid #1 to All Except Plate: 16.5 pF
Plate to All Except Grid #1: 10 pF
Plate to Grid #1: 2.3 pF
Maximum Ratings
Voltage Plate Voltage: 800 V
Grid #2: 600 V
Plate to Grid #2 Voltage: 600 V
Grid #1 Voltage (Negative Bias Value): -200 V
Cathode to Filament Voltage: 250 V
Current Cathode Current: 230 mA
Dissipation Plate Dissipation: 42 W
Grid #2 Dissipation: 8 W
Typical Operation and Characteristics
Voltage Plate Voltage (Pentode Connection): 250 V
Grid #2 Voltage (Pentode Connection): 250 V
Grid #1 Voltage (Pentode Connection): -15 V
Grid #1 Voltage (Triode Connection): -15 V
Plate to Grid #2 Voltage (Triode Connection): 250 V
Current Plate Current (Pentode Connection): 140 mA
Grid #2 Current (Pentode Connection): 7 mA
Plate to Grid #2 Current (Triode Connection): 147 mA
Transconductance Pentode Connection: 11.5 mA/V
Triode Connection: 12 mA/V
Resistance Internal Plate Resistance (Pentode Connection): 12 kOhms, approximate
Internal Plate Resistance (Triode Connection): 670 ohms
Amplification Amplification Factor (Pentode Connection): 8 µ
Amplification Factor (Triode Connection): 8 µ
Packaging Info
Package Weight 0.35 lb
Box Dimensions (LxWxH) 6.3 x 2.3 x 2.3"

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