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Telefunken EL34-TK Black Diamond Series Vacuum Tubes (Matched Pair)

BH #TEMPEL34TK • MFR #EL34-TK VACUUM TUBE MATCHED PAIR
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Telefunken EL34-TK Black Diamond Series Vacuum Tubes (Matched Pair)
Key Features
  • Pentode Output Tubes
  • Ideal for Guitar Amps & Hi-Fi Gear
  • High Output
  • Smooth Midrange & Tight Bass
This matched pair of Telefunken EL34-TK Black Diamond Series Vacuum Tubes is ideal for use in guitar amplifiers and hi-fi equipment in homes, studios, and live stage applications. For personal enjoyment or commercial recording, they grant a focused low-frequency response and smooth midrange frequencies. Supporting higher plate voltages than a 6L6 and higher grid voltages than a traditional EL34, these high-output pentode tubes deliver a characteristic "British" tone.
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Telefunken EL34-TK VACUUM TUBE MATCHED PAIR Overview

This matched pair of Telefunken EL34-TK Black Diamond Series Vacuum Tubes is ideal for use in guitar amplifiers and hi-fi equipment in homes, studios, and live stage applications. For personal enjoyment or commercial recording, they grant a focused low-frequency response and smooth midrange frequencies. Supporting higher plate voltages than a 6L6 and higher grid voltages than a traditional EL34, these high-output pentode tubes deliver a characteristic "British" tone.

Designed to handle a slightly higher grid voltage than a traditional EL34
Great for guitar amplifiers and hi-fi equipment
Smaller in diameter and taller than a 6L6, and capable of a higher plate voltage
Commonly used in pairs in a Class-AB1 push-pull configuration
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 re-measured before final packing
UPC: 858513005902

Telefunken EL34-TK VACUUM TUBE MATCHED PAIR Specs

Tube
Quantity
2 (Matched Pair)
Tube Type
EL34 / 6CA7 Output Pentode
Base Type
7-Pin Octal
Electrical
Heater Requirements
6.3 V / 1.5 A
Direct Interelectrode 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 Voltage Ratings
Plate: 800 V / 2000 V (in Cold Conditions)
Grid 2: 450 V / 800 V (in Cold Conditions)
Cathode to Heater: 100 V
Typical Operating Voltage
Plate: 250 V
Grid 3: 0 V
Grid 2: 265 V
Grid 1: -10 to -13.5 V
Current Rating
Cathode: 150 mA Max
Plate: 100 mA Typical
Grid 2: 14.9 mA/V Typical
Plate at Cutoff: 7 mA Typical
Transconductance
11 mA/V
Amplification Factor
11 μ
Resistance
Cathode to Heater: 20 Kilohms Max
Internal Plate: 15 Kilohms Typical
Maximum Dissipation
Plate: 25 W
Grid 2: 8 W
Physical
Dimensions
H: 3.9 x W: 1.3" / 99.1 x W: 33 mm (Excluding Pins)
H: 4.4 x W: 1.3" / 111.8 x W: 33 mm (Including Pins)
Weight
1.6 oz / 45.4 g
Packaging Info
Package Weight
0.255 lb
Box Dimensions (LxWxH)
5.2 x 3.45 x 1.9"

Telefunken EL34-TK VACUUM TUBE MATCHED PAIR Reviews

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