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EH 12AX7 / ECC83

Description

EH 12AX7 / ECC83

The 12AX7EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS types.

Files:

Datasheet

Safety Information

Safety Information for Vacuum Tubes

For all electrical, electromechanical and mechanical components, the specifications and operating parameters arising from the respective type standard generally apply.
Further information, where available, can be found in the respective data sheets and product descriptions included with the product.

General Information

NOT SUITABLE FOR CHILDREN - choking hazard due to small parts
NOT SUITABLE FOR UNTRAINED PERSONS - danger to life due to high voltages
The safety and processing requirements applicable to the component must be observed
CE conformity applies only when installed professionally
Warranty becomes void in case of improper handling
The operator is responsible for proper installation
Local regulations and VDE provisions must be complied with
Never exceed the rated power
Never exceed the rated voltages and currents

Required Expertise

Use of measuring instruments (multimeter, oscilloscope) and evaluation of measurement results
Safe handling of high voltages (up to 500V and more)
Reading and understanding circuit diagrams
Selection of appropriate tools
Knowledge of electrical components and their characteristics
First-aid knowledge for electrical accidents
Knowledge of VDE regulations and safety requirements

Amplifier Tubes

Hazard due to high voltages
Hazard due to very high heat generation
Hazard due to glass breakage
Hazard due to UV radiation in case of defective tubes

Manufacturer

Herstellerinformationen | Manufacturer Information

New Sensor Corporation, 32-33 47th Avenue, Long Island City, NY 11101, USA

EU-Wirtschaftsakteur | EU Economic Operator
Tube-Town GmbH, Rumbergring 37, 66969 Lemberg, Germany, info@tube-town.de

Customer reviews (4)

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Key Features:

Bevel-free cutting edges for smooth and sharp cuts
Suitable for cutting wires or cables cleanly
Offset cutting edges for precision and increased service life
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Crimping capacity for insulated cable lugs, connectors, heat shrink connectors, wire end sleeves, and flat plug sleeves with cross-sections of 1.25 mm² (red), 2.0 mm² (blue), and 5.5 mm² (yellow)
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Specifications

Electrical Specifications

Type: Pentode
Base: Noval (B9A)
Heater Voltage: 6.3 V (min 5.8 V / max 7.7 V)
Heater Current: approx. 0.76 A
Anode Dissipation: 12 W
Screen Grid Dissipation: 2 W

Operating Conditions

Anode Voltage (Va): max. 300 V
Screen Grid Voltage (Vg2): max. 300 V
Grid Bias Voltage (Vg1): -7.3 V (typical for Class-A operation)
Anode Current (Ia): 48 mA (at -7.3 V grid bias)
Screen Grid Current (Ig2): 5 mA

Characteristic Curves

Amplification Factor (μ): approx. 20
Internal Resistance (Ra): approx. 38 kΩ
Transconductance (S): 11 mA/V

Usage Notes

Operating Temperature: Should be operated in a well-ventilated enclosure to prevent overheating.
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