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So what's the preferred 8 ohm high power audio dummy …
https://www.eevblog.com/forum/testgear/so-what_s-the-preferred-8-ohm-high-power-audio-dummy-load-these-days/
you can search for multi hundreds dollars dummy load but in the end you'll put the 8 ohm speaker on your circuit. you can get the 400W speaker for similar price or even cheaper than the dummy load. any impedance changes due to electromagnetic interaction will be simulated perfectly. you can then adjust your circuit respond as real as like when you wake up …
HiFi Vector Audio amplifier dyno dummy load
https://www.hifivector.com/
Introducing the HiFi Vector DL-14 .The First digital selectable audio dummy load for audio amplifier Dyno testing proudly made in the the USA. Eliminates the need for speakers when dyno testing amplifiers and provides a rock solid impedance for accurate amplifier output power.. Products. Contact.
DIY Speaker / Amplifier Dummy Load - DIY AUDIO …
https://diyaudioprojects.com/Technical/DIY-Speaker-Dummy-Load/
The schematic below shows two dummy loads, built into one enclosure. With a speaker connected, the amplifier will see either a 4.3 or 7.4 ohm load while the attached speaker will receive less than about 1% of the output power. You can check the net load for yourself by following the basic electronics formulas. With a simple setup like this you can test at high …
Palstar DL2K High-Power Dummy Load - DX Engineering
https://static.dxengineering.com/global/images/technicalarticles/pas-dl2k_rs.pdf
The Palstar DL2K dry dummy load easily handles the legal limit of 1,500 W with low SWR on the 160- through 6-meter amateur bands. It’s built into a sturdy and easy-to-use package, without the weight and mess of older, oil-cooled technology. Its built-in watt-meter is spot on. Palstar DL2K High-Power Dummy Load
Ham radio dummy loads at DX Engineering
https://www.dxengineering.com/search/part-type/dummy-loads
We carry dummy loads rated all the way up to 2,500 watts—shop now! Test your transmitter the proper way—with a dummy load from DX Engineering! We offer fan-cooled, air-cooled, and oil-filled dummy loads (also known as dummy antennas) from the most-trusted brands in ham radio, including Ameritron, Diamond, MFJ Enterprises, Palstar, and Vectronics.
Dummy load for audio amplifier - Page 1 - EEVblog
https://www.eevblog.com/forum/beginners/dummy-load-for-audio-amplifier/
High wattage dummy load resistors are fairly expensive but there happens to be a cheap alternative. The US company lowes.com sells item #362342 the Utilitech 240V Universal (water heating) element for ~$9 each, see this video explaining usage.
A Quick Guide to Dummy Loads - OnAllBands
https://www.onallbands.com/a-quick-guide-to-dummy-loads/
MFJ 264 dummy loads handle 100 watts for 10 minutes and 1,500 watts for 10 seconds. Rated from 0 to 500 MHz, the Diamond Antenna DL30 Series Compact Dummy Load is capable of 15 watts continuous power, or up to 100 watts for short periods. These units present your transmitter with a 50-ohm load and a maximum 1.15:1 SWR across their entire frequency …
Need a high power dummy load | WorldwideDX Radio …
https://www.worldwidedx.com/threads/need-a-high-power-dummy-load.257687/
I was just wanting one thats a little smaller than the bird high power loads. I dont really want to use a dolly or 4 wheel cart to move the thing around, especially outside to the mobile for testing. Im pretty sure it doesn't exist. I was just hoping in this day and age with all the new technology a smaller dummy load would be out there.
Dummy Load | diyAudio
https://www.diyaudio.com/community/threads/dummy-load.364510/
For testing power amplifiers, I usually implement a precision 10:1 voltage divider right at my dummy load. This is reasonable, since power amps have gain that needs to be reduced anyway. A 900-ohm/100-ohm divider with 1% resistors is usually enough protection, and the low impedance of the divider keeps the noise down.
Testing Amplifiers - Speaker or dummy load | diyAudio
https://www.diyaudio.com/community/threads/testing-amplifiers-speaker-or-dummy-load.167853/
I wanted to add, that the best way to make a high power dummy load is to submerge the resistor in a liquid for cooling. I would buy a new empty 1 gallon paint can at your local hardware store. They cost about 1 to 2 dollars with a lid. Install two insulated binding posts on the top. Drill the tinniest hole in the top of the can for pressure relief.
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