6CA4 - EZ81 - 6V4 -EZ80
Shop our great selection of miniature rectifier tubes.
The 6CA4 and EZ81 are equivalent and can be used interchangeably.
The 6V4 and EZ80 are equivalent and can be used interchangeably.
With the 6CA4/EZ81 and 6V4/EZ80 are similar tubes, you can only substitute a 6CA4/EZ81 for a 6V4/EZ80 but not the other way around because the 6CA4 can handle higher plate voltage.
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On Sale
New Matched Quad (4) Electro-Harmonix 6CA4 / EZ81 Vacuum Tubes
Electro-Harmonix
Now: $98.54Was: $109.49New Matched Quad of Electro-Harmonix 6CA4 / EZ81 Vacuum Tubes The most reliable and best sounding small rectifier on the market. The 6CA4, 6CA4A and EZ81 are all the same tubes / compatible. An excellent choice for 18 Watt Marshalls in particular, as...NP194-4Now: $98.54Was: $109.49 -
On Sale
New Matched Pair (2) Electro-Harmonix 6CA4 / EZ81 Vacuum Tubes
Electro-Harmonix
Now: $50.58Was: $56.20New Matched Pair of Electro-Harmonix 6CA4 / EZ81 Vacuum Tubes The most reliable and best sounding small rectifier on the market. The 6CA4, 6CA4A and EZ81 are all the same tubes / compatible. An excellent choice for 18 Watt Marshalls in particular, as...NP194-2Now: $50.58Was: $56.20 -
On Sale
New Electro-Harmonix 6CA4 / EZ81 Vacuum Tube
Electro-Harmonix
Now: $24.77Was: $27.52New Electro-Harmonix 6CA4 / EZ81 Vacuum Tube The most reliable and best sounding small rectifier on the market. The 6CA4, 6CA4A and EZ81 are all the same tubes / compatible. An excellent choice for 18 Watt Marshalls in particular, as well as for hi-fi...NP194-1Now: $24.77Was: $27.52 -
On Sale
Tests NOS Date Matched Pair Amperex Holland EZ80/6V4 RARE D GETTER Tubes
Amperex
Now: $222.71Was: $247.45ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHS Tube Type / Number: EZ80/6V4Actual Brand*: AmperexPrinted Brand: Amperex Bugle BoyQuantity: 2 Pieces-Matched PairMatching Date Codes?...BP2825Now: $222.71Was: $247.45 -
On Sale
New Matched Quad (4) JJ EZ81 / 6CA4 Rectifier Vacuum Tubes
JJ Electronic
Now: $88.97Was: $98.86New Matched Quad of JJ EZ81 / 6CA4 Rectifier Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. Among rectifier tubes, their 6CA4 (EZ81) is an industry favorite, as it provides consistent performance along...NP113-4Now: $88.97Was: $98.86 -
On Sale
New Matched Pair (2) JJ EZ81 / 6CA4 Rectifier Vacuum Tubes
JJ Electronic
Now: $45.80Was: $50.89New Matched Pair of JJ EZ81 / 6CA4 Rectifier Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. Among rectifier tubes, their 6CA4 (EZ81) is an industry favorite, as it provides consistent performance along...NP113-2Now: $45.80Was: $50.89 -
On Sale
New JJ EZ81 / 6CA4 Rectifier Vacuum Tube
JJ Electronic
Now: $22.52Was: $25.02New JJ EZ81 / 6CA4 Rectifier Vacuum Tube JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. Among rectifier tubes, their 6CA4 (EZ81) is an industry favorite, as it provides consistent performance along with great build...NP113-1Now: $22.52Was: $25.02