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Eminence PSD High Frequency 1″ Driver, 80 Watts at 8 Ohms. Developed for totally loaded Eminence cabinets, or as upgrades to an existing device. Eminence PSD 1 bolt on high frequency driver handles a powerful 80 watts AES at kHz. Eminence:: 1 Inch Bolt On:: Eminence PSD (Bolt-on) 1 inch Throat 80W Compression Driver 8 Ohm:: Eminence PSD (Bolt-on) 1 inch Throat 80W.

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This compression results in high throat SPL, at the upper power levels the drivers were tested at the non- linearity of air is responsible for a significant though undetermined percentage of the of eminencf measured, that non- linear distortion is unavoidable in any compression driver design.

Search Everywhere Threads This forum This thread. If I am, please remove this post. I was hoping to find a lighter weight replacement with sound quality exceeding the Electro-Voice DH1A, but in this series of tests it simply was the best sounding driver in every metric I can think of: Jun 25, 8 18 Sydney, Australia eclipseaudio.

The BMS is by far the highest output for size and weight of the drivers tested. Anyone willing to crunch the numbers further is welcome to look at the RTA charts and derive finer resolution. Just that I want to thank her for her patience with you and this project. I am not a speaker guy A single DH1A had more extended, clean response than the pair of JBLs, at a considerable weight, size, and cost advantage, both in reduction of driver cost and elimination of a crossover point and amp channels.

This is hardly evident with the low track and HF horn mixed together, but obvious when the HF horn recording is listened to alone as it is in these recordings.


Rob Timmerman Graduate May 18, Greg Cameron Senior May 17, Having heard dozens of different HF drivers on rminence of different horns in different venues ranging from home theaters to arenas, with different arrays driven with various playback material and mixes by different engineers mixing different bands through different consoles, processing, and amplification, about the only conclusion drawn were various HF drivers can sound quite good or lousy.

That is, only lower frequencies are compressed and transmitted, and higher frequencies are synthesized by copying fminence frequency regions up higher.

For such a seemingly simple PA public address driver, it handled music surprisingly well. My point still holds water, that DG needs accurate linear drivers for his sundry corrections to work.

What are benefits of adding HF driver 7khz up? If I am ever to meet you, I feel I owe to pay for your wife’s dinner.

High Frequency Compression Driver Evaluation | Sound Forums

The process was akin to aligning a dozen different PA systems, no small feat in itself. Art Welter Senior May 16, We don’t publish a great deal of the data we take for each product, all of emiinence is of course available for the asking. The Jensen Hypex PA30 driver, lacking a phase plug, but having an acoustic high pass filter, had less upper harmonic distortion. John Chiara Senior May 18, Sorry for the run on mess, tabs and more than single spaces in a line vanish after editing.

High Frequency Compression Driver Evaluation.

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Everywhere Threads This forum This thread. Drivers with more efficient, extended HF output would require less compensating boost. I don’t know about secrets but I thought DG had a strategy to cancel or somehow mitigate “throat” distortion in horns, this is only one type of loudspeaker distortion, thus the desire for linear drivers so the throat distortion will be predictable.


Examples of air non-linearity introduced by the mixing of two ultrasonic tones at dB SPL are available in posts of: Since as a professional in the audio feild you probably care far more about the performance of a driver when pushed hard, several examples will be posted.

Forums Pro Audio Varsity. I could not resist quoting this Art. Hope you find the recordings interesting, they offer an insight in compression driver comparison as far as I know never undertaken before this study.

Michael Smithers Junior May 16, An extensive discussion could be had about our hearing as it relates to distortion and the “masking” that LF signals can have on its perception. I believe he was able to correct for horn reflections, not distortion products.

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This makes comparison of HF compression drivers between different manufacturers difficult in other than very fundamental respects. Want to make that abundantly clear at the top for all those that don’t know, or missed that part of your first post.

So to me, this is the main difference between the drivers, and why the does not go as low as the Art Welter Senior May 17, Jan 11, 0