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Infinity Primus 150 Bookshelf Speaker (Each) Product Description:



  • Frequency Response (±3dB): 58Hz - 20kHz
  • Recommended Power Amplifier Range: 10 - 100 watts
  • Low-Frequency Driver: 5-1/4 (130mm) MMD
  • High-Frequency Driver: 3/4 (19mm) MMD
  • Dimensions: 12-3/4 x 7-3/8 x 10-1/2 inches

Customer Reviews

Most helpful customer reviews

12 of 14 people found the following review helpful.
5Infinity primus 150
By R. Tsiftilis
These are recommended components in the high end underground Stereophile magazine, which rates speakers up to $100,000. It takes a pretty good speaker to even make the list albeit these are class E, with class A speakers being the state of the art.Surely one cannot expect deep bass since the bass driver is so small, but the midrange is so sweet and the high end is superb.The imaging is supreme for a speaker so inexpensive, it raises the bar considerably for an inexpensive speaker. Perhaps this is because of the Metal Matrix diaphragm tweeter that puts the tweeter's resonance frequency out of the audible range; read no audible distortion. Impressive achievment once again for Infinity.

3 of 3 people found the following review helpful.
4Excellent for the Price
By Old Audio Guy
Despite its small size, this speaker provides a rather full presentation with a clear, not shrill sound. Even full orchestra classical music sounds good. Caution: Many suppliers sell this as a single speaker, not in the usual pair. I purchased online and all was well until I saw it at my local Circuit City for $20.00 less per pair. However, they will easily please you; they compare well with some I have in the $300. - $500. range.

1 of 1 people found the following review helpful.
5Excellent speakers for the money
By Terry A. Mckinney
I'm a longtime Infinity fan. i bought my first set in the 70's and those speakers are still going strong. The reason I bought that first pair was because I listened to them side by side with speakers from other name manufacturers in the same price range. The difference amazed me. Crips, TIGHT sound reproduction. Infinity speakers consistently offer crisp, clear, distinctive, and true sound reproduction. The Primus 150s and the Primus 360s I paired them with continue that tradition. The first time played a DV through these, i kept wanting to look outside. Sounds that i'd never noticed before when playing that DVD appeared to be coming from different locations within and outside the room. A startling experience the first time around. You might find speakers as good as Infiity in the same price range, but you won't find any better in the same price range. If you want a quality listening experience without spending megabucks, Infinity is all you need to know.

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