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TT 12AX7 / ECC83 Classic
Tube-Town 12AX7 / ECC83 Preamp-Tube
The TT12AX7 impresses with its fine and detailed reproduction of the highs, which is maintained even at high amplification levels. Due to a higher H3 part, the TT12AX7 sounds significantly cleaner than many other 12AX7/ECC83 tubes, which makes the bass range appear much tighter. We therefore especially recommend this tube for styles such as clean, crunch, and metal, where high amplification and clear transparency are required.
The TT12AX7 impresses with its fine and detailed reproduction of the highs, which is maintained even at high amplification levels. Due to a higher H3 part, the TT12AX7 sounds significantly cleaner than many other 12AX7/ECC83 tubes, which makes the bass range appear much tighter. We therefore especially recommend this tube for styles such as clean, crunch, and metal, where high amplification and clear transparency are required.
Electrical Characteristics
- Heater voltage (Uf): 6.3V or 12.6V
- Heater current (If): 300mA at 6.3V, 150mA at 12.6V
- Anode voltage (Ua): Maximum 300V
- Grid voltages (Ug1): -2V (typical)
- Grid voltages: -50V to 0V
- Anode current (Ia): 1.2mA (typical)
- Anode power dissipation: Maximum 1W per triode
- Anode resistance (ra): 62.5kΩ
- Amplification factor (μ): 100
- Transconductance (S): 1.6mA/V
- Input capacitance (Cin): 1.6pF
- Output capacitance (Cout): 1.6pF
Mechanical Characteristics
- Socket: B9A (Noval)
- Number of pins: 9
Pin Configuration
- 1 Anode (Triode 1)
- 2 Grid (Triode 1)
- 3 Cathode (Triode 1)
- 4 Heater (f)
- 5 Heater (f)
- 6 Anode (Triode 2)
- 7 Grid (Triode 2)
- 8 Cathode (Triode 2)
- 9 Center Heater (f)
Application Notes
- Heater operation: The tube can be operated with 6.3V or 12.6V, depending on the circuit design.
- Grid resistors: It is recommended to use grid resistors of at least 1MΩ to ensure stable functionality.
- Coupling capacitors: Capacitors with low capacitance (typically 0.1µF) are recommended to minimize high-frequency interference.
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.
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
Herstellerinformationen | Manufacturer Information
Tube-Town GmbH
Rumbergring 37
D-66969 Lemberg
eMail: info@tube-town.de
Tube-Town GmbH
Rumbergring 37
D-66969 Lemberg
eMail: info@tube-town.de
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