Vacuum Tube - 12BH7-A, JJ Electronics

Vacuum Tube - 12BH7-A, JJ Electronics

JJ Electronics
Vacuum Tube - 12BH7-A, JJ Electronics image 1
Vacuum Tube - 12BH7-A, JJ Electronics image 2
Customer image:<br/>"12BH7A used as a line preamp with 12db of gain and at 2vrms output.  Performance is great."
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Vacuum Tube - 12BH7-A, JJ Electronics image 1Vacuum Tube - 12BH7-A, JJ Electronics image 2
Customer Images:
Customer image: "12BH7A used as a line preamp with 12db of gain and at 2vrms output.  Performance is great."
$25.95
In Stock

The JJ Electronic 12BH7-A is a faithful reproduction of the original tube. Its rugged construction offers high reliability. The JJ 12BH7-A can be used as a replacement for any 12BH7 tube.

SKU:
T-12BH7-A-JJ
Item ID:
040142
UPC/EAN:
841358104244
Brand:
JJ Electronics
RoHS Compliant
Body Height51.2 mm
Cathode Current (Ik)≤ 20 mA
Filament Current (If)600 / 300 mA
Filament Voltage (Uf)6.3 / 12.6 V
Gain (μ)16.5
Grid Circuit Resistance (Rg), Automatic Bias1 MΩ
Grid Circuit Resistance (Rg), Fixed Bias0.25 MΩ
Grid Voltage (Ug)≥ -50 V, -10.5 V typical
Heater to Cathode Voltage (Uk/f)100 V - 200 V
Internal Resistance (Ri)5.3 kΩ
Item Diameter22 mm
Item Height57.6 mm
Plate Current (Ia)11.5 mA
Plate Dissipation (Wa)≤ 3.5 W
Plate Voltage (Ua)≤ 300 V, 250 V typical
Transconductance (S)3.1 mA/V
Packaging Information
Packaging Dimensions2.5 in. × 1 in. × 1 in.
Weight (Packaging)0.0287 lbs.

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet290.17 KB
Questions? Contact us at [email protected], or give us a call at 480-820-5411

Product Reviews

3.00 out of 5 based on 1 reviews
Dave NZ1J - April 9th, 2019
3 out of 5

This 12BH7A is shorter than standard and gives me the same output as I get from some 50 year old tubes. Had I known it was a non-standard envelope, I would have ordered one from another manufacturer.