Castle Avon 1 is a 2-way Passive Transmission Line Bookshelf speaker by Castle. It was released in December 2015. It features a 0.47x1.77" True Ribbon Tweeter and 1 x 5" Woofer.
A 2-way standmount with a 130 mm bass/mid and a 12 x 45 mm true ribbon, on Castle's SDEL (single drive extended line) bass loading. 87 dB, 8 ohm compatible, 25-100 W, 60 Hz-20 kHz, 55 Hz at -6 dB. Now in Castle's archive.
The speaker has a frequency range of 60-20k Hz and a sensitivity of 87 dB.
Room Size Suitability
The size of the room where you plan to use the Castle Avon 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 | Average |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | 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.)
Castle's Avon Series of Loudspeakers
Avon 1 is a member of Castle's Avon series of Passive speakers. Below you can see the main specs of these speakers.
See all 5 Castle Avon models compared »
Castle Avon Series Speakers
Frequency Response of the Castle Avon 1 Speaker
Castle Avon 1 has a Frequency response range of 60-20k Hz and Power Range of 25-100 watts. With a minimum frequency of 60 Hz, Avon 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 Avon 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 Avon 1?
Crossover frequency of the Castle Avon 1?
The crossover frequency of the Avon 1 is set to 2.5 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 Avon 1's nominal impedance level is
8 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 Castle Avon 1 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 87 dB, Castle Avon 1 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 Castle Avon 1 plays in your room →
What amplifier does the Castle Avon 1 need?
At normal listening levels in a medium room, about
15–100 W
per channel into 8 ohms.
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Input Type
Avon 1 features Binding post type connectors.
Work out what gauge speaker cable this run needs →
Castle Avon 1 External Dimensions and Weight
Castle Avon 1 has external dimensions of (Height x Width x Depth) 12-5/8 x 7-1/16 x 10-1/4inch (320.0 x 180.0 x 260.0mm ).
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 Avon 1 is approximately 468.0cm2 / 72.5inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe Castle Avon 1 weighs 5.80kg / 12.8lbs per piece. Here is a comparison of how Avon 1's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Cabinet type and Materials
Castle Avon 1 has a
Transmission Line type cabinet and a Real wood veneer, semi-matt lacquer finish.
Wall Mounting
Avon 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 Avon 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 Avon 1 speaker can be found below:
Official Product Page for Castle Avon 1