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Telefunken 6L6GC-TK Black Diamond Series Vacuum Tube

BH #TE6L6GCTK • MFR #6L6GC-TK
Telefunken 6L6GC-TK Black Diamond Series Vacuum Tube
Key Features
  • Octal Power Tube
  • Ideal for Guitar Amps & Hi-Fi Gear
  • Focused Bite & Defined Articulation
  • Transparent Midrange
The Telefunken 6L6GC-TK Black Diamond Series Vacuum Tube is ideal for use in guitar and bass amplifiers and hi-fi equipment in homes, studios, and live stage applications. For personal enjoyment, live performance, or commercial recording, it grants a clear midrange and sparkly highs. Slightly larger than an EL34, this 6L6GC octal power tube delivers bite, definition, and plenty of headroom.
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Telefunken 6L6GC-TK Overview

The Telefunken 6L6GC-TK Black Diamond Series Vacuum Tube is ideal for use in guitar and bass amplifiers and hi-fi equipment in homes, studios, and live stage applications. For personal enjoyment, live performance, or commercial recording, it grants a clear midrange and sparkly highs. Slightly larger than an EL34, this 6L6GC octal power tube delivers bite, definition, and plenty of headroom.

Inspired by the 6L6, which was developed by RCA in 1936 as the first power tetrode
Strongly associated with the sound of American amplifiers
Great for instrument amplifiers and hi-fi equipment
Tight and defined lows, transparent midrange, and shimmering highs
Focused bite with defined articulation
In comparison to the EL34 and EL84, the 6L6GC is characterized by higher headroom before breaking up
Each tube is meticulously measured for all critical parameters of performance including transconductance, gain, noise, and microphonics
Tubes are selected by hand, rigorously tested, subjected to an extended burn-in period for stability, and remeasured before final packing
UPC: 899051002534

Telefunken 6L6GC-TK Specs

Mechanical
Type
A.F. beam pentode
Base
Octal
Number of Pins
6
Heater Requirements
Voltage
6.3 V
Current
0.9 A
Direct Interelectrode Capacitances
Capacitance
Grid #1 to All Except Plate: 12.5 pF
Plate to All Except Grid #1: 10 pF
Plate to Grid #1: 1.5 pF
Maximum Ratings
Voltage
Plate Voltage (Pentode Connection): 500 V
Plate Voltage (Triode Connection): 450 V
Grid #2 Voltage (Pentode Connection): 450 V
Grid #2 Voltage (Triode Connection): 450 V
Dissipation
Plate Dissipation (Pentode Connection): 30 W
Plate Dissipation (Triode Connection): 30 W
Resistance
Grid #1 Circuit Resistance (Fixed Bias, Pentode Connection): 0.1 MOhms
Grid #1 Circuit Resistance (Fixed Bias, Triode Connection): 0.1 MOhms
Grid #1 Circuit Resistance (Self Bias, Pentode Connection): 0.5 MOhms
Grid #1 Circuit Resistance (Self Bias, Triode Connection): 0.5 MOhms
Typical Operation and Characteristics
Voltage
Plate Voltage (Pentode Connection): 250 V
Plate Voltage (Triode Connection): 270 V
Grid #2 Voltage (Pentode Connection): 250 V
Grid #2 Voltage (Triode Connection): 270 V
Grid #1 Voltage (Pentode Connection): -14 V
Grid #1 Voltage (Triode Connection): -17.5 V
Current
Plate Current (Pentode Connection): 72 mA
Plate Current (Triode Connection): 134 mA
Grid #2 Current (Pentode Connection): 5 mA
Grid #2 Current (Triode Connection): 11 mA
Resistance
Internal Plate Resistance (Pentode Connection): 22.5 kOhms
Effective Load Resistance (Plate to Plate, Triode Connection): 5 kOhms
Maximum Signal Power Output
Pentode Connection: 6.5 W
Triode Connection: 17.5 W
Physical Characteristics
Dimensions (H x Diam.)
3.94 x 1.50" / 100 x 38 mm (excluding pins)
4.53 x 1.50" / 115 x 38 mm (including pins)
Weight
1.8 oz / 51 g
Packaging Info
Package Weight
0.15 lb
Box Dimensions (LxWxH)
5.1 x 1.8 x 1.6"

Telefunken 6L6GC-TK Reviews

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