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Vacuum Tube - EL34B, Tung-Sol Reissue

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Premium high-voltage power pentode, featuring improved materials and workmanship over the original EL34B. Higher impedance design with increased touch responsiveness.

Unique clipping characteristic with a hint of 6L6 sound
Velvety-smooth in HiFi applications, full & rich-sounding in guitar amps
6CA7 equivalent

Matched versions of this tube use Apex Matching

RoHS Compliant

SKU:

T-EL34B-TUNG

Item ID:

004850

Brand:

Tung-Sol, Apex Matched

Type:

Power

Part Numbers
Single or Matched	Our Part Number	UPC/EAN
Apex Matched Pair	T-EL34B-TUNG-MP	609722129589
Apex Matched Quad	T-EL34B-TUNG-MQ	609722129596
Single	T-EL34B-TUNG	683274021348

Measurements by Type
Measurements by Item

Product Measurements by Type
Bulb Temperature		250°C
Capacitance, Transfer		1.1 μF
Capacitance, input		15.4 μF
Capacitance, output		8.4 μF
Cathode Current (I_k)		150 mA
Cathode to Heater Voltage		100 V
Grid 1 Voltage		≤ -100 V, -13.5 V typical
Grid 2 Current		12 mA
Grid 2 Dissipation Power		8 W
Grid 2 Voltage		≤ 425 V, 265 V typical
Grid Circuit Resistance (R_g), Automatic Bias		0.7 MΩ
Grid Circuit Resistance (R_g), Fixed Bias		0.5 MΩ
Heater Current		1.5 A
Heater Voltage		5.5 V - 7.0 V
Item Diameter		31 mm
Item Height		110 mm
Load Resistance		2 kΩ
Non-linear Harmonic Distortion		9%
Output Power (P_Out)		11 W
Plate Current (I_a)		100 mA
Plate Dissipation (W_a)		25 W
Plate Voltage (U_a)		≤ 800 V, 250 V typical
Transconductance (S)		12 mA/V

Packaging Information
Packaging Dimensions	Apex Matched Pair version	T-EL34B-TUNG-MP	4.8 in. × 3.5 in. × 1.8 in.
	Apex Matched Quad version	T-EL34B-TUNG-MQ	4.8 in. × 3.5 in. × 3.5 in.
	Single version	T-EL34B-TUNG	1.8 in. × 1.8 in. × 4.9 in.
Weight (Packaging)	Apex Matched Pair version	T-EL34B-TUNG-MP	0.24 lbs.
	Apex Matched Quad version	T-EL34B-TUNG-MQ	0.48 lbs.
	Single version	T-EL34B-TUNG	0.12 lbs.

Product Measurements by Item
T-EL34B-TUNG-MP - Apex Matched Pair version	Bulb Temperature	250°C
	Capacitance, Transfer	1.1 μF
	Capacitance, input	15.4 μF
	Capacitance, output	8.4 μF
	Cathode Current (I_k)	150 mA
	Cathode to Heater Voltage	100 V
	Grid 1 Voltage	≤ -100 V, -13.5 V typical
	Grid 2 Current	12 mA
	Grid 2 Dissipation Power	8 W
	Grid 2 Voltage	≤ 425 V, 265 V typical
	Grid Circuit Resistance (R_g), Automatic Bias	0.7 MΩ
	Grid Circuit Resistance (R_g), Fixed Bias	0.5 MΩ
	Heater Current	1.5 A
	Heater Voltage	5.5 V - 7.0 V
	Item Diameter	31 mm
	Item Height	110 mm
	Load Resistance	2 kΩ
	Non-linear Harmonic Distortion	9%
	Output Power (P_Out)	11 W
	Plate Current (I_a)	100 mA
	Plate Dissipation (W_a)	25 W
	Plate Voltage (U_a)	≤ 800 V, 250 V typical
	Transconductance (S)	12 mA/V
T-EL34B-TUNG-MQ - Apex Matched Quad version	Bulb Temperature	250°C
	Capacitance, Transfer	1.1 μF
	Capacitance, input	15.4 μF
	Capacitance, output	8.4 μF
	Cathode Current (I_k)	150 mA
	Cathode to Heater Voltage	100 V
	Grid 1 Voltage	≤ -100 V, -13.5 V typical
	Grid 2 Current	12 mA
	Grid 2 Dissipation Power	8 W
	Grid 2 Voltage	≤ 425 V, 265 V typical
	Grid Circuit Resistance (R_g), Automatic Bias	0.7 MΩ
	Grid Circuit Resistance (R_g), Fixed Bias	0.5 MΩ
	Heater Current	1.5 A
	Heater Voltage	5.5 V - 7.0 V
	Item Diameter	31 mm
	Item Height	110 mm
	Load Resistance	2 kΩ
	Non-linear Harmonic Distortion	9%
	Output Power (P_Out)	11 W
	Plate Current (I_a)	100 mA
	Plate Dissipation (W_a)	25 W
	Plate Voltage (U_a)	≤ 800 V, 250 V typical
	Transconductance (S)	12 mA/V
T-EL34B-TUNG - Single version	Bulb Temperature	250°C
	Capacitance, Transfer	1.1 μF
	Capacitance, input	15.4 μF
	Capacitance, output	8.4 μF
	Cathode Current (I_k)	150 mA
	Cathode to Heater Voltage	100 V
	Grid 1 Voltage	≤ -100 V, -13.5 V typical
	Grid 2 Current	12 mA
	Grid 2 Dissipation Power	8 W
	Grid 2 Voltage	≤ 425 V, 265 V typical
	Grid Circuit Resistance (R_g), Automatic Bias	0.7 MΩ
	Grid Circuit Resistance (R_g), Fixed Bias	0.5 MΩ
	Heater Current	1.5 A
	Heater Voltage	5.5 V - 7.0 V
	Item Diameter	31 mm
	Item Height	110 mm
	Load Resistance	2 kΩ
	Non-linear Harmonic Distortion	9%
	Output Power (P_Out)	11 W
	Plate Current (I_a)	100 mA
	Plate Dissipation (W_a)	25 W
	Plate Voltage (U_a)	≤ 800 V, 250 V typical
	Transconductance (S)	12 mA/V

Specification Sheet	All Models

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Specification Sheet

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Substitute Products

The following items can be substituted for this product. While not necessarily exactly the same, they will function as replacement items in your project.