TUNG-SOL 12AX7 Tubes Triodes (Matched Pair)

TUNG-SOL 12AX7 Tubes Triodes (Matched Pair)
The Tung-Sol 12AX7 are high-gain dual triode tubes of superior quality with ultra-low microphonic effects and ensuring a wide soundstage and warm, musical sound reproduction. They are also an excellent replacement for the 7025 t ECC83 tubes. These 12AX7 tubes come in pairs and are matched to ensure the best performance.

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Reference : 15700
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Shipping date: 20-01-2022.

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Tung-Sol 12AX7

Tubes Triodes (Matched Pair)

Tung-Sol 12AX7 Tubes Triodes (Paire Appairée)

The Tung-Sol 12AX7 are high-gain dual triode tubes of superior quality with ultra-low microphonic effects and ensuring a wide soundstage and warm, musical sound reproduction. They are also an excellent replacement for the 7025 t ECC83 tubes. These 12AX7 tubes come in pairs and are matched to ensure the best performance.

Tung-Sol 12AX7 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 12AX7 Tubes Triodes (Paire Appairée)

Technical characteristics

Specifications
Product typeTubes
Tubes typeTriodes
Number of pins9
QuantityMatched pair
Measurements
ParameterConditionsMin.Max.
Heater currentFilament voltage 6.3V320mA365mA
Heater currentFilament voltage 12.6V160mA183mA
Grid reverse currentFilament voltage 6.3V ou 12.6V, plate voltage 250V, grid voltage minus 2V, grid circuit resistance 1MΩ-1.5µA
Plate currentFilament voltage 6.3V ou 12.6V, plate voltage 250V, grid voltage minus 2V0.75mA2.1mA
First and second triodes plate current differenceFilament voltage 6.3V ou 12.6V, plate voltage 250V, grid voltage minus 2V-±40%
Amplification factorFilament voltage 6.3V, plate voltage 250V, tension grille 1 minus 13.5V, tension grille 2 265V, plate circuit resistance 2kΩ8.5W-
Cathode - Heater insulation resistanceFilament voltage 6.3V ou 12.6V, cathode heater voltage ±200V20MΩ-
Limit values
ParameterMin.Max.
Filament voltage (parallel)6V6.6V
Filament voltage (series)12V13.2V
Plate voltage-330V
Cathode - Heater voltage-± 200
Cathode current-9mA
Power dissipation at the plate of each triode-1.2W
Grid circuit resistance for each triode, fixed bias -1MΩ
Grid circuit resistance for each triode, self bias-2.2MΩ
 
Data sheet
Tube typeTriode
 
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TUNG-SOL 12AX7 Tubes Triodes (Matched Pair)
The Tung-Sol 12AX7 are high-gain dual triode tubes of superior quality with ultra-low microphonic effects and ensuring a wide soundstage and warm,...

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