Acoustic Energy AE1 40th Anniversary Standmount Speakers

The Engineering Behind the AE1 40th Anniversary Edition

Recreating the legendary AE1 was a significant challenge. Since the original parts were long out of production, we had to start the design completely from scratch. However, to preserve the speaker's established high-performance sound and classic design, we developed new components while strictly maintaining the core philosophy of the original: a stiff, heavy cabinet, twin front ports, and a powerful driver combination. We integrated carefully considered modernisations without detriment to the original's character.

A completely new metal dome tweeter was developed specifically to match the original's sound profile. This unit features a larger 29mm voice coil supporting a slightly bigger aluminum dome. This increase in radiating area helps to significantly lower distortion compared to a more standard 25mm dome. Its ultra-shallow profile provides excellent bandwidth, while a large rear chamber keeps the fundamental resonance low and absorbs rear energy. Crucially, like the original, this tweeter is ferrofluid cooled and damped, ensuring greater power handling, improved dynamics, and reduced thermal compression.

The new woofer was also engineered to precisely match the characteristic sound of the original. While conforming to modern 125mm standards, the cone retains the signature straight-sided aluminum profile. We even resurrected the 'spinning' forming process—a technique distinct from the more common pressing method—which was fundamental to the original's natural midrange and power handling. The cone itself is further strengthened by a hard anodized ceramic coating on both sides, creating an extremely stiff sandwich construction. Beneath the trademark aluminium ‘pointy’ dust cap, the motor structure is powerful, but we introduced one key modern improvement: an aluminium shorting ring. This dramatically reduces the distortion caused by motional variation in the voice coil's inductance. Furthermore, by designing the new woofer with a 5-ohm DCR instead of the original 7-ohms, the new AE1s are now easier to drive and require less amplifier power.

Drawing inspiration from the luxury 'Signature' version, the crossover employs low-order filters and high-quality components to achieve a very natural, dynamic sound. We've balanced this latest version to be enjoyed in a typical home environment rather than being strictly a studio monitor. The result is a speaker with a warm, natural midrange, good bass weight for its size, forgiving high frequencies, and exceptional punch throughout its range.

All these enhancements are housed inside a luxuriously finished cabinet, coated in ten layers of high gloss black paint or walnut wood veneer. The cabinet has been upgraded to include our RSC (Resonance Suppression Composite) material, successfully applied in our high-performance models. This material significantly increases stiffness, effectively capturing the sound of the original's concrete-lined cabinets without the production drawbacks. Finally, since the original ports were unavailable, we re-tooled them with subtle tweaks, including adding an internal flare to reduce distortion and allow for more bass output.

The result is a loudspeaker with clean, uncluttered lines, offering unparalleled levels of performance and quality that delivers a thrilling and powerful presentation worthy of the AE1 mark, making it equally comfortable in the home or the recording studio.

We endeavour to despatch same day for orders placed up to 1pm on available stock items (items with stock message "Usually dispatched within 24 hours"). Please remember to check with us first for a physical stock check if next day delivery is important to you. Any items with stock message "Usually dispatched within 72 hours" are items that we do not hold in stock but order in from the importer or manufacturer as soon as a customer order is received. Occasionally these may be delayed beyond 72 hours due to importer/manufacturer stock levels but we will inform you as soon as we can if this is the case.

UK Orders

We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Non Mainland locations - Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer and are not Free of Charge. Smaller items are delivered using Royal Mail 24 or special delivery. Larger items are delivered using a courier service such as DPD or UPS.

International Orders:

Due to the nature of our products and brand restrictions we are only able to send certain items internationally. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Hifisound or by the courier with a request for any further information required. Customs duties can apply for shipments to any countries outside of the UK depending on where the product you have bought is made. Customers are responsible for all taxes and duties incurred when the items enter their country.

Collect in Store or Home Install

At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock.