TUNG-SOL 12AT7 Tubes Triodes (Matched Pair)

TUNG-SOL 12AT7 Tubes Triodes (Matched Pair)
These Tung-Sol 12AT7 triode tubes feature a beautiful design, using quality materials. They have improved dissipation and are ideal for power or reverb systems.  They are also an excellent replacement for the ECC81 tubes. These 12AT7 tubes come in pairs and are matched to ensure the best performance.
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Shipping date: 02-04-2024.

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Tung-Sol 12AT7

Tubes Triodes (Matched Pair)

Tung-Sol 12AT7 Tubes Triodes (Paire Appairée)

These Tung-Sol 12AT7 triode tubes feature a beautiful design, using quality materials. They have improved dissipation and are ideal for power or reverb systems.  They are also an excellent replacement for the ECC81 tubes. These 12AT7 tubes come in pairs and are matched to ensure the best performance.

Tung-Sol 12AT7 Tubes Triodes (Paire Appairée)
# PinElectrode name
1Second triode plate
2Second triode grid
3Second triode cathode
4, 5, 9Heater
6First triode plate
7First triode grid
8First triode cathode
Tung-Sol 12AT7 Tubes Triodes (Paire Appairée)

Technical characteristics

Specifications
Product typeTubes
Tubes typeTriode
Number of pins9
QuantitySold by pair
Measurements
ParameterConditionsMin.Max.
Heater currentFilament voltage 6.3V340mA370mA
Heater currentFilament voltage 12.6V170mA185mA
Grid back currentFilament voltage 6.3V or 12.6V, plate voltage 250V, grid voltage minus 2V, grid circuit resistance 0.25MΩ-0.5µA
Plate curentFilament voltage 6.3V or 12.6V, plate voltage 250V, grid voltage minus 2V7mA16mA
First and second triodes plate current differenceFilament voltage 6.3V or 12.6V, plate voltage 250V, grid voltage minus 2V-±25%
Amplification factorFilament voltage 6.3V or 12.6V, plate voltage 250V, grid voltage minus 2V45-
Cathode - Heater insulation resistanceFilament voltage 6.3V or 12.6V, plate voltage 250V, grid voltage minus 12V-60µA
Limit values
ParameterMin.Max.
Filament voltage (parallel)6V6.6V
Filament voltage (series)12V13.2V
Plate voltage-330V
Cathode - heater voltage-± 200
Cathode current-18mA
Power dissipation at the plate of each triode-3.25W
Grid circuit resistance for each triode, fixed bias-0.25MΩ
Grid circuit resistance for each triode, self bias-1MΩ
 
Data sheet
Tube typeTriode
 
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TUNG-SOL 12AT7 Tubes Triodes (Matched Pair)
These Tung-Sol 12AT7 triode tubes feature a beautiful design, using quality materials. They have improved dissipation and are ideal for power or...

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