Wharfedale Diamond 225 is a 2-way Passive Bass Reflex Bookshelf speaker by Wharfedale. It was released in 2016. 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-field | Poor |
| Small Room | Average |
| Mid-size Room | Good |
| Large Room | Average |
| Very Large Room | Poor |
(* 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. The Diamond 200 range are Wharfedale's affordable custom-install and step-up Diamond speakers. Below you can see the main specs of these speakers.
Wharfedale Diamond 200 Series Speakers
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Frequency Response of the Wharfedale 225 Speaker
Wharfedale 225 has a Frequency response range of 45-20k Hz 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.
Here we have a comparison of how Diamond 225's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
Thinking about a subwoofer for the Wharfedale 225?
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
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. Work out how loud the Wharfedale 225 plays in your room →
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.
What amplifier does the Wharfedale 225 need?
At normal listening levels in a medium room, about
15–120 W
per channel into 8 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $500, or every amplifier we cover.
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.
Work out what gauge speaker cable this run needs →
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 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 Speaker next to an amplifier and turntable
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe 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
Weight
Bookshelf Speakers under $500
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
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
- Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find 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.