Castle Knight 1 is a 2-way Passive Bass Reflex Bookshelf speaker by Castle. It was released in May 2010. It features a 1" Soft-Dome Tweeter and 1 x 5" Natural Fibre Woofer.
A small 2-way standmount: 130 mm natural fibre cone and a 25 mm textile dome, reflex. 88 dB (1 W/1 m), 8 ohms, 15-100 W. Castle quotes 46 Hz-24 kHz as a nominal range without a tolerance. Launched in 2010 at GBP 299.95 a pair; now in Castle's archive.
The speaker has a frequency range of 46-24k Hz and a sensitivity of 88 dB.
Room Size Suitability
The size of the room where you plan to use the Castle Knight 1 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 | Good |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | No way |
(* 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.)
Castle's Knight Series of Loudspeakers
Knight 1 is a member of Castle's Knight series of Passive speakers. Below you can see the main specs of these speakers.
See all 5 Castle Knight models compared »
Castle Knight Series Speakers
Frequency Response of the Castle Knight 1 Speaker
Castle Knight 1 has a Frequency response range of 46-24k Hz and Power Range of 15-100 watts. With a minimum frequency of 46 Hz, Knight 1 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 Knight 1'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 Castle Knight 1?
Crossover frequency of the Castle Knight 1?
The crossover frequency of the Knight 1 is set to 3 kHz. 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
Castle Knight 1's nominal impedance level is
8 ohms and has a sensitivity of
88 dB.
Sensitivity
Bookshelf Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Castle Knight 1 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
88dB of the Castle Knight 1 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Castle Knight 1 plays in your room →
What amplifier does the Castle Knight 1 need?
At normal listening levels in a medium room, about
12–100 W
per channel into 8 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? See every integrated amplifier we cover.
Input Type
Knight 1 features Binding post type connectors.
Work out what gauge speaker cable this run needs →
Castle Knight 1 External Dimensions and Weight
Castle Knight 1 has external dimensions of (Height x Width x Depth) 11-7/16 x 6-1/2 x 10-7/16inch (290.0 x 165.0 x 265.0mm ).
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 Castle Knight 1 is approximately 437.3cm2 / 67.8inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe Castle Knight 1 weighs 4.50kg / 9.9lbs per piece. Here is a comparison of how Knight 1's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Cabinet type and Materials
Castle Knight 1 has a
Bass Reflex type cabinet and a Real wood veneer, semi-matt lacquer 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.
Port Position
Castle Knight 1 is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe.
Wall Mounting
Knight 1 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Recommended Accessories
Here is a list of accessories that we think you may need for the Castle Knight 1.
- 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.
Official Product Page
Official manufacturer's product page for the Castle Knight 1 speaker can be found below:
Official Product Page for Castle Knight 1