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Vacuum Tube - 7591A, Electro-Harmonix
7591A Electro-Harmonix Power Tube Beam power tetrode used in vintage Ampeg and Gibson guitar amplifiers. Also, used in tube hi-fi equipment made by Fisher, Scott, and Harmon-Kardon.
Measurement from base to the top of the glass (pins not included in measurement): 3.25"
RoHS Compliant
| Single or Matched | Our Part Number | UPC/EAN |
|---|---|---|
| Matched Pair | T-7591A-EH-MP | 609722124195 |
| Matched Quad | T-7591A-EH-MQ | 609722124201 |
| Single | T-7591A-EH | 683274021584 |
| No measurements are currently available for this product. Please contact us if you have any questions. |
| Packaging Dimensions | Matched Pair version | 4.9 in. × 3.5 in. × 1.8 in. |
| Matched Quad version | 4.9 in. × 3.5 in. × 3.5 in. | |
| Single version | 1.8 in. × 1.8 in. × 4.8 in. | |
| Weight (Packaging) | Matched Pair version | 0.292 lbs. |
| Matched Quad version | 0.584 lbs. | |
| Single version | 0.146 lbs. |
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Questions and Answers
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1 answers
Is this what the Versatone 133 bass amp single 12 used? Thx
Asked by Anonymous on July 7th, 2017.
From out limited research the Versatone 133 uses 5791's and these should work.
1 answers
Are these tubes designed as 7591As,or are they a different tubes reworked to fit in a 7591 socket and circuit?
Asked by Anonymous on July 7th, 2017.
The information available to us indicates that this is a 7591A tube in design and construction.
1 answers
Looking to replace a blown 7591 tube in a Fisher KX-200. Is this the correct option for me?
Asked by Anonymous on July 7th, 2017.
This tube is compatible with many Fisher systems as a replacement.
1 answers
Does this tube have 7 pins?
Asked by Anonymous on April 8th, 2019.
April 8th, 2019
Staff Member
Yes, this tube has seven pins with a center guide pin.
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.
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