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PSB Alpha C10 vs PSB P3 Comparison

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PSB Alpha C10

Passive Center Channel | 55-21k Hz

PSB Alpha C10
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PSB P3

Passive Bookshelf | 57-21k Hz

PSB Alpha P3
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PSB Alpha C10 PSB Alpha C10
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PSB P3 PSB P3
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PSB Alpha C10
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PSB P3
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PSB Alpha C10 vs PSB P3 Speaker Comparison

In this review, we will be comparing two different type of speakers by PSB. PSB Alpha C10 is a Center Channel speaker whereas the Alpha P3 is a Bookshelf speaker.

Let's have a brief look at the main features of PSB Alpha C10 and PSB P3 first before getting into our more detailed comparison.

PSB Alpha C10 Key Specs

  • 2-way Design
  • 3/4" dome with front waveguide Tweeter
  • 2 x 5.25" textured polypropylene Woofer
  • 55-21k Hz Frequency Response
  • 90 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:15-120watts
  • Weight:7.73kg
  • Dimensions (H x W x D): 172.0" x 17-3/4" x 10"( 172.0 x 451.0 x 254.0mm )

PSB P3 Key Specs

  • 2-way Design
  • 0.75" Hard-Dome Tweeter
  • 4.5" Polypropylene Woofer
  • 57-21k Hz Frequency Response
  • 87 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:10-80watts
  • Weight:2.23kg
  • Dimensions (H x W x D): 223.0" x 5-3/16" x 7-5/16"( 223.0 x 132.0 x 186.0mm )

Alpha C10 and Alpha P3 are members of PSB's Alpha series of speakers. Below you can find the loudspeakers from this series.

PSB Alpha Series History
Model Body Frequency SensitivityImpedance Woofer
PSB P3
Bookshelf 57-21k Hz 87 dB8Ω 1 x 4.5"
PSB Alpha T20
  
Floor-standing 36-21k Hz 90 dB8Ω 2 x 5.25"
PSB P5
  
Bookshelf 55-21k Hz 89 dB8Ω 1 x 5.25"
PSB Alpha C10
Center Channel 55-21k Hz 90 dB8Ω 2 x 5.25"

What size room are the PSB Alpha C10 and PSB P3 speakers good for?

The size of the room in which you are planning to use these loudspeakers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their size and max power parameters:

Listening Environment* PSB Alpha C10 PSB P3
Near-field Poor Average
Small Room Average Good
Mid-size Room Good Average
Large Room Average Poor
Very Large Room Poor Bad

(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2. Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)

In the following sections, we will get into more detail in order to better understand how the PSB Alpha C10 and PSB P3 compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.


Drivers

Both Alpha C10 and Alpha P3 are 2-way speakers.

Driver PSB Alpha C10 PSB P3
Driver Setup 2-way 2-way
Tweeter 3/4-inch 0.75-inch
Midrange - -
Woofer 2 x 5.25-inch 1 x 4.5-inch

Alpha C10 features a 3/4" anodized aluminum dome with front waveguide Tweeter and 2 x 5.25" textured polypropylene Woofer . On the other hand, the Alpha P3 features a 0.75" anodized aluminum Hard-Dome Tweeter and 1 x 4.5" Polypropylene Woofer with a Crossover frequency at 3000Hz.

Frequency Response

Alpha C10 has a frequency range of 55-21k Hz whereas Alpha P3 has a frequency range of 57-21k Hz. With a minimum frequency of 55Hz, the Alpha C10 can go slightly deeper then the Alpha P3's min frequency of 57Hz.

Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Center Channel class in our database.

Low Frequency

Center Channel Speakers

Alpha C10
Alpha P3
Min
Average
Max
High Frequency

Center Channel Speakers

PSB Alpha C10
PSB P3
Min
Average
Max

None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.

Impedance and Sensitivity

Alpha C10 and Alpha P3 have the same Impedance of 8 ohms but where they differ is the sensitivity levels. Alpha C10 sensitivity is rated at 90 dB and the Alpha P3's is at 87 dB. This 3 dB difference makes the PSB Alpha C10 a more sensitive speaker compared to PSB P3, hence will play louder with the same amount of watts.

Sensitivity

Center Channel Speakers

Alpha C10
Alpha P3
Min
Average
Max

Power Range

Power range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using an amplifier within this range ensures the nominal performance , inputting a power that is higher than the max wattage can result in a damaged speaker.

Alpha C10 can handle a max power of 120 watts RMS from the amp the whereas Alpha P3 has a max power handling value of 80 watts RMS, 40 watts less than the Alpha C10.

Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters such as Impedance, sensitivity and system efficiencies.

Input Type and Bi-Amping / Bi-Wiring

Alpha C10 features 5-way post type posts and Alpha P3 has a 5-way post type posts. None of these speakers feature bi-amping/bi-wiring.

PSB Alpha C10 Terminals
PSB Alpha C10's 5-Way post terminals

PSB P3 Terminals
PSB P3's 5-way post terminals

Physical Specs

Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare PSB Alpha C10's and PSB P3's external dimensions. PSB Alpha C10 has external dimensions of 172.0 x 451.0 x 254.0mm ( 6-3/4 x 17-3/4 x 10inch) whereas PSB P3 has external dimensions of 223.0 x 132.0 x 186.0mm ( 8-3/4 x 5-3/16 x 7-5/16inch) .

PSB P3 is 319mm narrower and 68mm less deeper than PSB Alpha C10 but it is also 51mm taller.

Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base surface area of the PSB Alpha C10 is approximately 1145.5cm2 / 177.6inch2 and base area of the PSB P3 is approximately 245.5cm2 / 38.1inch2. The Alpha C10 requires 367% more surface area than the Alpha P3 which gives it a small disadvantage on placement in tight spaces.

What's in the Box of PSB Alpha C10?

Here are the items that are included inside the box of Alpha C10:
  • Center-channel loudspeaker
  • Grille
  • 4 Self-adhesive rubber feet
  • Quick Start Guide
  • Warranty Card
  • What's in the Box of PSB P3?

    Here are the items that come with the Alpha P3:
  • 2 Bookshelf loudspeakers
  • 2 Grilles
  • 8 Self-adhesive rubber feet
  • Quick Start Guide
  • Warranty Card

  • Reasons to choose PSB Alpha C10 over PSB Alpha P3
    Max Input Power 120 watts vs 80 watts Handle more power from your amplifier
    Sensitivity 90 dB vs 87 dB Play louder with same amount of amplification power
    Woofer Size 5.25 inches vs 4.5 inches Larger woofer
    Number of Woofers 2 vs 1 More woofers
    Low Frequency Response 55 Hz vs 57 Hz Generates deeper bass
    Height 172mm vs 223mm Easier to fit in smaller spaces

    Reasons to choose PSB Alpha P3 over PSB Alpha C10

    Base Surface Area 245cm2 vs 1145cm2 Takes less floor space
    Price per pair* 279USD vs 449USD costs less (*prices may change depending on the seller, location and time)
    PSB Alpha C10 vs PSB P3 Specs Table
    Detailed comparison of specifications
    General PSB Alpha C10 PSB Alpha P3
    Brand PSB PSB
    Speaker Type Center channel speaker Bookshelf speakers
    Power Range 15-120 watts 10-80 watts
    Sensitivity 90 dB 87 dB
    Impedance 8 ohms 8 ohms
    Impedance n/a 4 ohms
    Frequency Response 55-21k Hz 57-21k Hz
    Drivers
    Woofer Quantity 2 1
    Woofer Size 5.25" 4.5"
    Woofer Composition textured polypropylene Polypropylene
    Woofer Surround Material rubber Rubber
    Tweeter Size 3/4" 0.75"
    Tweeter Type dome with front waveguide Hard-Dome
    Aimable Tweeter No No
    Midrange Driver No No
    Crossover Frequency n/a 3000Hz
    Firing Direction n/a rear
    Physical Specs
    Height 172.0mm (6.8") 223.0mm (8.8")
    Width 451.0mm (17.8") 132.0mm (5.2")
    Depth 254.0mm (10") 186.0mm (7.3")
    Weight 7.73kg (17lbs) 2.23kg (4.9lbs)
    Enclosure Bass Reflex Bass Reflex
    Finish n/a MDF, Wood-grain vinyl
    Available Colors Walnut Walnut,Black Ash
    Mounting Bracket No No
    Recommended Stand Height n/a 28-30"
    Grille Yes Yes
    Moisture Resistancy No No
    Connections
    Biamp Inputs n/a No
    Other
    Parts Warranty 5 Years 5 Years
    Labor Warranty 5 Years 5 Years

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