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EL34 / 6CA7 / KT77 Tubes

The EL34 audio tube is perhaps the most popular output audio tube of all time.  EL34 vacuum tubes use in guitar tube amplifiers and hifi tube audio amplifiers has been prominent for decades.  Marshall tube amps are the most well-known EL34 tube guitar amplifiers but there are many others who arrived on the seen in later years.  In the tube audio world, it was companies like Dynaco, Leak, and Mullard among others who help boost the EL34 tube’s popularity.

Other common substitutes for EL34 vacuum tubes are 6CA7 and KT77 tubes. Although not identical, they are close enough to be considered direct substitutes in almost any instance.  The EL34, 6CA7 and KT77 also have similar pin outs. Be sure to check out our EL34 / 6CA7 / KT77 tube reviews page for more information regarding the sound qualities of these tubes.

Many of the EL34, 6CA7 and KT77 tubes listed below also have customer tube reviews. We also indicate top sellers for the EL34 tube type.

Be sure to click the “Additional Info” tab when viewing a specific EL34 tube.  There you will find related articles and downloads such as datasheets and matching information when available.  Other excellent links for technical information can be found at EL34 tubes in Wikipedia, EL34 tubes in Duncan Amps, and EL34 tubes in The Tube Directory.

Electro-Harmonix EL34

top seller

(4 Reviews)

USD $‎18.95 Each

Quantity
Price
1 – 4USD $‎18.95
5 +USD $‎17.95

Quantity Pricing Available

Five for USD $‎18.95

Availability:
Usually ships within 24 hours.

  
Qty

Electro-Harmonix 6CA7EH

top seller

(1 Reviews)

USD $‎22.95 Each

USD $‎22.95

Quantity Pricing Available

Five for USD $‎22.95

Availability:
Usually ships within 24 hours.

  
Qty

Genalex - Gold Lion KT77

top seller

(1 Reviews)

USD $‎47.95 Each

USD $‎47.95

Quantity Pricing Available

Five for USD $‎47.95

Availability:
Usually ships within 24 hours.

  
Qty

JJ 6CA7

top seller

(4 Reviews)

USD $‎16.95 Each

USD $‎16.95

Quantity Pricing Available

Five for USD $‎16.95

Availability:
Usually ships within 24 hours.

  
Qty

JJ E34L (EL34)

top seller

(1 Reviews)

USD $‎16.95 Each

USD $‎16.95

Quantity Pricing Available

Five for USD $‎16.95

Availability:
Usually ships within 24 hours.

  
Qty

JJ KT77

top seller

(5 Reviews)

USD $‎20.95 Each

USD $‎20.95

Quantity Pricing Available

Five for USD $‎20.95

Availability:
Usually ships within 24 hours.

  
Qty

Mullard EL34

top seller

(3 Reviews)

USD $‎23.95 Each

USD $‎23.95

Quantity Pricing Available

Five for USD $‎23.95

Availability:
Usually ships within 24 hours.

  
Qty

Shuguang EL34-B

top seller

(3 Reviews)

USD $‎14.95 Each

USD $‎14.95

Quantity Pricing Available

Five for USD $‎14.95

Availability:
Usually ships within 24 hours.

  
Qty

Shuguang Treasure 6CA7-Z

top seller

(1 Reviews)

USD $‎97.95 Each

USD $‎97.95

Quantity Pricing Available

Five for USD $‎97.95

Availability:
Usually ships within 24 hours.

  
Qty

Svetlana EL34

top seller

(4 Reviews)

USD $‎22.95 Each

USD $‎22.95

Quantity Pricing Available

Five for USD $‎22.95

Availability:
Usually ships within 24 hours.

  
Qty

Tung-Sol EL34B

top seller

(5 Reviews)

USD $‎26.95 Each

Quantity
Price
1 – 4USD $‎26.95
5 +USD $‎25.95

Quantity Pricing Available

Five for USD $‎26.95

Availability:
Usually ships within 24 hours.

  
Qty

Winged "C" (SED) EL34

top seller

(6 Reviews)

USD $‎57.95 Each

USD $‎57.95

Quantity Pricing Available

Five for USD $‎57.95

Availability:
Usually ships within 24 hours.

  
Qty

Electro-Harmonix 6CA7EH (High Plate Current)

top seller

(0 Reviews)

USD $‎15.95 Each

USD $‎15.95

Quantity Pricing Available

Five for USD $‎15.95

Availability:
Usually ships within 24 hours.

  
Qty