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Paradigm SA-25 Reference In-Wall Speakers Measurements and Analysis

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SA25-listening-window.JPG

Paradigm SA-25 Listening Window Response – 1/2 meter in-room spliced @ 1kHz, no smoothing

I measured the Paradigm SA-25 speaker at 1/2 meter in-room installed in my wall on-axis, +-30 deg off-axis horizontal and +- 15 deg vertical off-axis to derive the listening window response.  There was a pronounced dip in the 500Hz to 1kHz region when I measured on-axis but it was likely a result of the speaker being in close proximity to my large Armoire as it didn’t show up in a nearfield measurement of the woofer.  Thus I spliced my listening window response with a nearfield measurement of the woofer below 1kHz to yield the result you see in the graph above. 

The SA-25’s measured as expected, very linearly.  While my listening tests revealed the SA-25’s appeared to have the tweeter level set a bit hot, I didn’t see this in my measured results.

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Paradigm SA-25 Impedance and Phase

The SA-25’s are rated at 8 ohms but in reality they are a 4-ohm speaker.  There is no hiding this fact.  I suspect Paradigm rated them 8 ohms for marketing purposes and because of their high sensitivity making them an easy load to drive.  Care should be taken to use solid amplification when mating to these speakers as the 4-ohm dip in the 100-300Hz region can be problematic for low end receivers with inadequate power supplies.

 

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Recent Forum Posts:

gene posts on November 17, 2015 22:08
Dhanula, post: 1103893, member: 70781
I have 8 of SA 25s as my surrounds .. Very well engineered product.
I don't see SA 25 in the website when filter by in wall speakers. seems like its not in production any more.
It's still a current product.

http://www.paradigm.com/products-archived/model=sa-25/page=overview
Dhanula posts on November 17, 2015 20:30
I have 8 of SA 25s as my surrounds .. Very well engineered product.
I don't see SA 25 in the website when filter by in wall speakers. seems like its not in production any more.
gene posts on March 25, 2015 01:29
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gene posts on March 25, 2015 01:09
The Paradigm SA-25 speaker system is part of their reference collection and represents their best offering in a two-way in-wall. It features a 6.5” phase plug aluminum cone woofer and 1” gold anodized aluminum dome tweeter. It has been awhile since I’ve reviewed a Paradigm speaker but I’m glad I’ve had the chance to check out these beauties as it made me realize just how far the company has advanced its sound over the last decade or so. The SA-25s are among the best sounding compact in-walls I’ve heard and they will certainly satisfy even the most critical audiophile for two-channel or as a surround speaker. When you buy a speaker from Paradigm, you can rest assured that you will be getting a highly engineered product based on sound science and quality materials.



Read the Paradigm SA-25 In-Wall Speaker Review

What in-wall speakers are you using?
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