Engineering & Development


The goal

From the beginning, Arendal Sound products were developed with the mindset to recreate the original sonic event, with the highest level of accuracy. This requires a special consideration to balancing several factors:

  1. Dynamics
  2. Linearity.
  3. Distortion.
  4. Power handling.
  5. Frequency response.
  6. Polar characteristics.  

Experience has shown that each of these factors must be addressed for each design to fully achieve its sonic potential. If too much emphasis is placed on one factor, others will be compromised. There are many examples of loudspeaker designs that sound very good at modest levels, but when called upon to reproduce true dynamics the sound quality quickly disappears. Conversely, there are examples of high output speakers that can play quite loud and fill a room but are often characterized by sonic colorations that can range from displeasing to outright offensive – not very musical. The art and science behind Arendal Sound is to achieve all of the seductive nuances that make music so enjoyable and yet maintain composure with very demanding dynamics - this critical, but not easily achievable combination is the key.

Extreme stress testing

Stress, or accelerated life testing, is a hallmark of all Arendal Sound designs. Each new design is required to pass a long list of difficult (if not insane) tests. From full out power testing repeated for days and in some cases for weeks, plus mechanical, thermal and vibration tests; all are designed to quickly identify and correct any potential problems during the design phase. If a component broke, we found out why and discarded it for something better. The result is a product that is as bulletproof as possible to ensure years of unbroken enjoyment.

Custom made parts and development process

Lofty goals require custom parts and special attention to details at each step in the path to product realization. Each driver was specially developed from the ground up, requiring much expensive and special tooling. No off-the-shelf drivers were worthy of satisfying all of our goals. Over 2 years in development, following a painstaking progression from theory to reality - each driver is first modeled using advanced FEA (Finite Element Analysis) techniques to meet mechanical, electromagnetic and acoustic goals.  

Each component was specially evaluated and specified for each product. From the simplest screw, to crossover inductors, resistors and capacitors, the voice coil wire’s thermal characteristics and adhesives; all were selected with the goal of sonic accuracy driving all decisions. After the ground work, comes modeling, CAD and tooling. All speakers and subwoofers are then thoroughly analyzed using state of the art Klippel laser based measurement system, Audio Precision and Clio, alongside other electro-acoustic testing systems and proprietary (secret sauce) methods. Lastly, extensive listening tests to validates that the science meets the requirement of the art. Many refinements are made along the way. The final products are a culmination of experience, modeling, testing, and listening… Along with a lot of blood, sweat and tears and in the end, more than a bit of pride.

1723 Series Comparison Subwoofers
Finish
Woofer 13.8"
13.8"
2 x 13.8" 2 x 13.8"
Enclosure High Density Fiberboard (HDF)
High Density Fiberboard (HDF)
High Density Fiberboard (HDF) High Density Fiberboard (HDF)
Amplifier Avalanche 500DSP - 500W RMS
Avalanche 500DSP - 500W RMS
Avalanche 1000DSP - 1000W RMS
Avalanche 1000DSP - 1000W RMS
Design Sealed
Sealed / vented
Sealed Sealed / vented
Size
49.2H x 33.5W x 45D cm
63.7H x 45W x 55D cm 54.2H x 42W x 50D cm 71.2H x 50W x 60.9D cm
Weight 24.5 kg 48.1 kg 41.4 kg 60.1 kg