Telefunken EL34-TK Power Amp Tubes Guitar Tight Low End Smooth Mids
Telefunken EL34-TK Power Amp Tubes Guitar Tight Low End Smooth Mids
TELEFUNKEN Elektroakustik EL34-TK Power Amp Tubes Guitar Tight Low End Smooth Mids
The TELEFUNKEN EL34-TK has been designed to handle a slightly higher grid voltage than the traditional EL34. Offering a tight low end and smooth mids, it will bring new life to guitar and hi-fi amplifiers while retaining the historic tone TELEFUNKEN tubes have always been know for.
The EL34 is smaller in diameter and taller than the 6L6 and is capable of a higher plate voltage; factors that help give the EL34 its unique output stage properties. The EL34 is a high output pentode tube as opposed to other output tubes like the 6L6 and the 6550, which are beam tetrode tubes.
Mullard, which was a subsidiary of Phillips, originally released the EL34 in 1953. EL34's are most commonly used in pairs in a Class AB1 push-pull configuration. This EL34 is found in many amplifiers that offer the "BrIt'sh tone", like Marshall and Hi-Watt, where the 6L6 is more commonly found in American made amps like those from Fender and Mesa Boogie.
Technical Specs
Type
A.F. Output Pentode
Base
Octal
Number of Pins
7-pin
Heater Voltage
6.3 V
Heater Current
1.5 A
Grid to Cathode and Heater
15.5 pF
Plate to Cathode and Heater
10 pF
Grid to Plate
1.5 pF
Plate Voltage (in cold condition)
2000 V
Grid #2 Voltage
800 V
Grid #2 Voltage in Cold Condition
800 V
Grid #2 Voltage
450 V
Cathode Current
150 mA
Cathode to Heater Voltage
100 V
Cathode to Heater Resistance
20 k
PlateVoltage
250 V
Grid #3 Voltage
0 V
Grid #2 Voltage
265 V
Grid #1 Voltage
-10V to -13.5V
Plate Current
100 mA
Grid #2 Current
14.9 mA
Transconductance
11 mA/V
Internal Plate Resistance
15 k
Amplification Factor
11
Plate Current at Cutoff (Vg1 = -30V)
<7 mA
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