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ELECTRO HARMONIX 6CA4EH Tube (Unit)
The Electro-Harmonix 6CA4 tube (also referenced as EZ81) is an AC-to-DC rectifier tube designed to provide clean and stable power in tube amplifiers, vintage audio equipment, and Hi-Fi systems.
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Electro Harmonix 6CA4EH Cathode Rectifier Tube (Unit)
The Electro-Harmonix 6CA4 tube (also referenced as EZ81) is an AC-to-DC rectifier tube designed to provide clean and stable power in tube amplifiers, vintage audio equipment, and HiFi systems. It offers excellent longevity and proven reliability for intensive use in audio and HiFi systems.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Tube redresseur à cathode |
| Number of poles | 9 |
| Electrical specifications | ||
|---|---|---|
| Parameters, conditions, and units | Min. | Max. |
| Heating current | 0.9A | 1.1A |
| Anode current of the diode (filament voltage 6.3V, plate voltage 17V) | 100mA | --- |
| Rectified current (filament voltage 6.3 V, effective voltage of the secondary winding of the transformer, 2x 350V, load resistance 2000Ω, capacitance in the cathode chain, 4.0µF) | 130mA | --- |
| Cathode - heating insulation resistance (filament voltage 6.3 V, cathode-heating voltage ± 500 V) | 3.3mΩ | --- |
| Limit values | ||
|---|---|---|
| Parameters | Min. | Max. |
| Filament tension | 5.7V | 6.9V |
| Rectified current (average) | --- | 160mA |
| Anode current amplitude | --- | 450mA |
| Starting current when power is turned on | --- | 1.5A |
| Amplitude of the reverse anode voltage | --- | 1000V |
| Cathode - heating voltage | --- | +500V |
| General | |
|---|---|
| Dimensions | 78.5 x Ø22.5mm |
| Weight | 24g |
| Package | 1x Electro Harmonix 6CA4EH |
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