Vacuum Tube - 6CA7, Electro-Harmonix

Vacuum Tube - 6CA7, Electro-Harmonix

Electro-Harmonix
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Starting at: $36.10
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Electro-Harmonix 6CA7 Vacuum Tube Big bottle beam-tetrode version of EL34. Perfect EL34 replacement for Musicman amplifiers.

SKU:
T-6CA7-EH
Item ID:
004660
Brand:
Electro-Harmonix
Type:
RoHS Compliant
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
SingleT-6CA7-EH609722128377
Matched PairT-6CA7-EH-MP609722128384
Matched QuadT-6CA7-EH-MQ609722128391
Cathode Current (Ik)150 mA
Cathode to Heater Voltage± 300 V
Grid 1 Circuit Resistance, Automatic Bias0.7 MΩ
Grid 1 Circuit Resistance, Fixed Bias0.5 MΩ
Grid 1 Voltage-100 V
Grid 2 Current≤ 20 mA
Grid 2 Dissipation Power8 W
Grid 2 Voltage425 V
Heater Current1.5 A
Heater Voltage5.7 V - 7.0 V
Item Diameter38 mm
Item Height110 mm
Non-linear Harmonic Distortion13.5%
Output Power (POut)≥ 9.0 W
Plate Current (Ia)100 ± 20 mA
Plate Dissipation (Wa)25 W
Plate Voltage (Ua)800 V
Transconductance (S)10 mA/V
Packaging Information
Packaging DimensionsMatched Pair versionT-6CA7-EH-MP4.8 in. × 3.5 in. × 1.8 in.
Matched Quad versionT-6CA7-EH-MQ4.8 in. × 3.5 in. × 3.5 in.
Single versionT-6CA7-EH1.8 in. × 1.8 in. × 4.8 in.
Weight (Packaging)Matched Pair versionT-6CA7-EH-MP0.2866 lbs.
Matched Quad versionT-6CA7-EH-MQ0.5732 lbs.
Single versionT-6CA7-EH0.1433 lbs.
T-6CA7-EH-MP - Matched Pair versionCathode Current (Ik)150 mA
Cathode to Heater Voltage± 300 V
Grid 1 Circuit Resistance, Automatic Bias0.7 MΩ
Grid 1 Circuit Resistance, Fixed Bias0.5 MΩ
Grid 1 Voltage-100 V
Grid 2 Current≤ 20 mA
Grid 2 Dissipation Power8 W
Grid 2 Voltage425 V
Heater Current1.5 A
Heater Voltage5.7 V - 7.0 V
Item Diameter38 mm
Item Height110 mm
Non-linear Harmonic Distortion13.5%
Output Power (POut)≥ 9.0 W
Plate Current (Ia)100 ± 20 mA
Plate Dissipation (Wa)25 W
Plate Voltage (Ua)800 V
Transconductance (S)10 mA/V
T-6CA7-EH-MQ - Matched Quad versionCathode Current (Ik)150 mA
Cathode to Heater Voltage± 300 V
Grid 1 Circuit Resistance, Automatic Bias0.7 MΩ
Grid 1 Circuit Resistance, Fixed Bias0.5 MΩ
Grid 1 Voltage-100 V
Grid 2 Current≤ 20 mA
Grid 2 Dissipation Power8 W
Grid 2 Voltage425 V
Heater Current1.5 A
Heater Voltage5.7 V - 7.0 V
Item Diameter38 mm
Item Height110 mm
Non-linear Harmonic Distortion13.5%
Output Power (POut)≥ 9.0 W
Plate Current (Ia)100 ± 20 mA
Plate Dissipation (Wa)25 W
Plate Voltage (Ua)800 V
Transconductance (S)10 mA/V
T-6CA7-EH - Single versionCathode Current (Ik)150 mA
Cathode to Heater Voltage± 300 V
Grid 1 Circuit Resistance, Automatic Bias0.7 MΩ
Grid 1 Circuit Resistance, Fixed Bias0.5 MΩ
Grid 1 Voltage-100 V
Grid 2 Current≤ 20 mA
Grid 2 Dissipation Power8 W
Grid 2 Voltage425 V
Heater Current1.5 A
Heater Voltage5.7 V - 7.0 V
Item Diameter38 mm
Item Height110 mm
Non-linear Harmonic Distortion13.5%
Output Power (POut)≥ 9.0 W
Plate Current (Ia)100 ± 20 mA
Plate Dissipation (Wa)25 W
Plate Voltage (Ua)800 V
Transconductance (S)10 mA/V

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet308.48 KB
Questions? Contact us at [email protected], or give us a call at 480-820-5411

Product Reviews

5.00 out of 5 based on 3 reviews
Robinson - November 20th, 2021
5 out of 5

When one vintage Mullard started to die on my Dynakit St 70 I started looking for backups. NOS seemed overpriced so I got these. Theyre much better than expected. Bass are more open than the Mullards while the mids and highs are breaking in nicely, comparing favorably to the Mullards. I have the vta 70 driver upgrade on my dynakit with triode switches and they seem to break in better in tetrode mode.

Tom W - March 24th, 2020
5 out of 5

Great quality replacement.

Clay Marley - February 27th, 2019
5 out of 5

I bought a matched-quad set of these tubes to replace the output tubes on my Van Alstine modded Dyna ST-70. With the original output tubes I was unable to adjust the bias, in either channel, to the correct 1.56V. This is usually systematic of aging output tubes. The new tubes biased correctly with no problem, and sound great. Highly recommended. Also shipping was very fast.

Substitute Products

The following items can be substituted for this product. While not necessarily exactly the same, they will function as replacement items in your project.