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Wharfedale Diamond 225 Review
Wharfedale Diamond 225

Main Features

  • 1" Dome Tweeter
  • 6.5" Woven Kevlar Woofer
  • 45-20k Hz Frequency Response
  • 87 dB Sensitivity
  • Impedance: 8ohms
  • Power Range: 25-120watts
  • Weight:14.41 lbs / 6.55 kg
  • Dimensions(HxWxD): 13.9"x7.7"x11.4" / 355.0 x 196.0 x 290.0mm
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Wharfedale 225 Review
Wharfedale  225 Wharfedale 225
See at AMAZON

Wharfedale Diamond 225 is a 2-way Passive Bass Reflex Bookshelf speaker by Wharfedale. It features a 1" Dome Tweeter and 1 x 6.5" Woven Kevlar Woofer. The speaker has a frequency range of 45-20k Hz and a sensitivity of 87 dB. Wharfedale 225 has an MSRP of 349$ per pair.

Room Size Suitability

The size of the room where you plan to use the Wharfedale 225 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:

Listening Environment* Suitability
Near-fieldPoor
Small RoomAverage
Mid-size RoomGood
Large RoomAverage
Very Large RoomPoor

(* 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.)

Wharfedale's Diamond 200 Series of Loudspeakers

Diamond 225 is a member of Wharfedale's Diamond 200 series of Passive speakers. Below you can see the main specs of these speakers.

Wharfedale Diamond 200 Series Speakers
Model Frequency SensitivityImpedance Woofer
Wharfedale 225
45-20k Hz 87 dB8Ω 1 x 6.5"
Wharfedale 220
Compare
56-20k Hz 86 dB8Ω 1 x 5"


**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.

Frequency Response of the Wharfedale 225 Speaker

Wharfedale 225 has a Frequency response range of 45-20k Hz at ±3dB and Power Range of 25-120 watts. With a minimum frequency of 45 Hz, Diamond 225 delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.

To focus on the subwoofers that are in a similar price range with Wharfedale 225, check out the Powered Subwoofers under $599. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how Diamond 225's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Bookshelf Speakers
Wharfedale 225
Min
Average
Max
High Frequency
Bookshelf Speakers
Wharfedale 225
Min
Average
Max

Crossover frequency of the Wharfedale 225?

The Crossover frequency of the Diamond 225 is set to 2300Hz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower-frequency signals are sent to the woofer by the crossover component.

Impedance and Sensitivity

Wharfedale 225's nominal impedance level is 8 ohms but can go down to as low as 4.2 ohms, and has a sensitivity of 87 dB.

Sensitivity
Bookshelf Speakers
Wharfedale 225
Min
Average
Max

8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Wharfedale Diamond 225 is not considered a difficult to drive speaker from nominal Impedance perspective.

Sensitivity

With a sensitivity level of only 87 dB, Wharfedale Diamond 225 is a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with a high output if you like listening to your music at high volume levels. You may especially have a hard time using Tube amplifiers which are traditionally very low power compared to Class A/B or Class D amps.

Minimum Impedance of the Wharfedale 225

Even though the nominal impedance of the Diamond 225 is 8 ohms, the minimum impedance level of this speaker according to Wharfedale is 4.2 ohms Wharfedale Diamond 225 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.

Check the amplifiers that are in a similar price range to the Wharfedale 225:

  • Integrated Amps under 300 USD
  • Integrated Amps under 500 USD
  • Integrated Amps under 750 USD
  • All Integrated Amplifiers

Input Type

Diamond 225 has Post type connectors and lets bi-amping/bi-wiring. Bi-wiring can enhance the overall transparency of your loudspeakers by using separate speaker wires for the low and high-frequency drivers from a single amplifier. Bi-amping, on the other hand, involves using separate amplifiers for the high and low-frequency drivers, potentially resulting in a greater dynamic range and reduced distortion.

Wharfedale  225 Terminals
Wharfedale 225's Post terminals allows Bi-amping or bi-wiring

Wharfedale 225 External Dimensions and Weight

Wharfedale 225 has external dimensions of (Height x Width x Depth) 13.9 x 7.7 x 11.4inch (355.0 x 196.0 x 290.0mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of Wharfedale 225 is approximately 568.4cm2 / 88.1inch2.

To get a better perspective on the real life size of Wharfedale 225, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

Wharfedale  225 Real Life Body Size Comparison
Wharfedale 225 Speaker Size Compared to a Compact Disc

Here we place the Wharfedale 225 virtually next to a standard width amplifier and turntable on a BDI Octave Media Cabinet to get a better idea about the size.

Wharfedale  225 placed next to an amplifier and turntable
Wharfedale 225 Speaker next to an amplifier and turntable

Weight

The Wharfedale 225 weighs 6.55kg / 14.4lbs per piece. Here is a comparison of how Diamond 225's weight compares with the average, max and min weights in its class.

Weight
All Bookshelf Speakers
Wharfedale 225
Min
Average
Max
Weight
Bookshelf Speakers under $599
Wharfedale 225
Min
Average
Max

Cabinet type and Materials

Wharfedale 225 has a Bass Reflex type cabinet and a MDF/Wood veneer finish. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.

Speaker Feet

Wharfedale 225 comes with 8 Self-adhesive rubber feet which you can use to secure your loudspeaker on the surface that you are putting on.

It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.

Port Position

Wharfedale 225 is a bottom-firing port speaker

Available colors

Wharfedale 225 is available in Black, White and Walnut.

Wall Mounting

Diamond 225 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.

Does the Wharfedale 225 come with a Grille?

Diamond 225 comes with removable grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.

Wharfedale  225  with Grille
Wharfedale 225 with Grille

What's in the Box of Wharfedale 225?

Here are the items that are included inside the box of Diamond 225:
  • 2 Bookshelf loudspeakers
  • 2 Grilles (pre-installed)
  • 8 Self-adhesive rubber feet
  • User's Manual
  • Installation Guide
  • Recommended Accessories

    Here is a list of accessories that we think you may need for the Wharfedale Diamond 225.

    • Speaker Cable and Connectors
      • Speaker Cables with Banana Plugs: If you know the lenght of the cable you need, this is the easier option to connect your speakers with your amp.
      • Speaker Cables without Connectors: If you are not sure about the lenght or need longer than standard cables with plugs, choose this option.
      • Banana Connectors and Plugs: If you chose the cables without connectors option or already have some cable around, pick the banana plugs separately.
    • Vibration Isolators: IsoAcoustics isolators more affordable options too.
    • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.
    • Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.

    User's Manual

    For more information about how to setup, use and maintain the Wharfedale Diamond 225, use the direct link below to download the official manual document:
    Download User Manual for Wharfedale 225

    Official Brochure

    Here is a link to download the official brochure for the Wharfedale Diamond 225 speaker:
    Official Brochure for Wharfedale 225

    Official Product Page

    Official manufacturer's product page for the Wharfedale Diamond 225 speaker can be found below:
    Official Product Page for Wharfedale 225

    Warranty

    5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.

    Wharfedale Diamond 225 Alternatives in Passive Bookshelf Speakers
    Model Type Sensitivity Impedance Frequency
    Wharfedale 220
    Compare
    2-way 86 dB 8 ohms 56-20k Hz
    Wharfedale 11.2
    Compare
    2-way 88 dB 8 ohms 48-20k Hz
    ELAC Debut 2.0 B6.2
    Compare
    2-way 87 dB 6 ohms 44-35k Hz
    B&W 606
    Compare
    2-way 88 dB 8 ohms 52-28k Hz
    KEF Q350
    Compare
    2-way 87 dB 8 ohms 63-28k Hz
    Wharfedale Denton 85
    Compare
    2-way 88 dB 4 ohms 45-20k Hz
    Klipsch RP-500M
    Compare
    2-way 93 dB 8 ohms 48-25k Hz
    Klipsch RP-600M
    Compare
    2-way 96 dB 8 ohms 45-25k Hz
    Frequently Asked Questions about Wharfedale Diamond 225
    What is the External Dimensions of Wharfedale Diamond 225
    What is the Speaker Sensitivity of Wharfedale Diamond 225
    is the Wharfedale Diamond 225 an easy to drive speaker?

    Wharfedale 225 Detailed Specifications

    General
    BrandWharfedale
    Full Model NameWharfedale Diamond 225
    Speaker Type2-way Bookshelf
    Power Range25-120 watts
    Sensitivity87 dB
    Impedance8 ohms
    Frequency Response45-20k Hz
    DRIVERS
    Woofer Size6.5-inch
    Woofer CompositionWoven Kevlar
    Woofer SurroundRubber
    Tweeter Size1-inch
    Tweeter TypeDome
    Crossover freq2300Hz
    Port Positionbottom

    CONNECTIONS
    Connector TypePost
    Biamp InputsYes
    Port Positionbottom
    PHYSICAL SPECS
    Height355.0mm ( 13.9-inch)
    Width196.0mm ( 7.7-inch)
    Depth290.0mm ( 11.4-inch)
    Height355.0mm ( 13.9-inch)
    Weight6.55kg ( 14.41 lbs)
    EnclosureBass Reflex
    FinishMDF/Wood veneer
    Available ColorsBlack, White, Walnut
    Mounting BracketNo
    Recommended Stand Height24
    GrilleYes
    Moisture ResistanceNo
    OTHER
    Handheld RemoteNo
    Parts Warranty5 Years
    Labor Warranty5 Years
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