Penta Laboratories - Vacuum Tubes , Electron Tubes, Audio Tubes

Your manufacturer of high-quality vacuum tubes and capacitors.

Penta Laboratories is a Manufacturer and Distributor of Vacuum Tubes, Capacitors and Electron Tubes for Broadcast, Industrial, Marine, Medical, and Avionics applications worldwide.

Site Features:

New Products
Check out information about Penta's new PM5193/MG5193 along with our latest innovations in vacuum tube design.

Tube Maintenance & Education
Everything You Ever Wanted to Know About Electron Tubes, But Were Afraid to Ask.

Tube Talk
Download and Read our newsletters which contain information about the Company and Industry.

Literature Request
Request a Vacuum Tube Data Sheet, Price List, or a Sales Brochure.

Terms and Conditions
Shipping, Pricing, Returns and International Ordering Information.

In Other Penta News
Interested in the history of vacuum tubes? Want to see someone make an electron tube by hand? Check out Penta's blog.

Popular Parts:

Vacuum Tubes
3CX2500H3
a medium-mu metal/ceramic extemal anode power triode. Maximum plate dissipation for this tube is 4000 watts, and cooling is forced-air. At moderate voltages, relatively high power output can be obtained from the 3CX2500H3 as an amplifier, oscillator, or modulator.
4CX1000A
A radial beam tetrode which is rated for 1000 watts maximum plate dissipation. The high current, low voltage, and high gain design makes it ideally suited for use in audio amplifiers or Class AB, RF Linear amplifier applications.
4CX1500BM
is a radial beam tetrode which is rated for 1500 watts maximum plate dissipation. The high current, low voltage and low distortion design of the 4CX1500BM makes it ideally suited for use in audio amplifier or Class AB1 RF linear amplifier applications..

Check out our New Products page for information about the PM5193/MG5193.

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