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Tag Archives: CUSTOM ART FIBAE 7

Custom Art FIBAE 7: The Fair Lady – A Custom In-Ear Monitor Review

DISCLAIMER: Custom Art provided me with the FIBAE 7 in return for my honest opinion. I am not personally affiliated with the company in any way, nor do I receive any monetary rewards for a positive evaluation. I’d like to thank Custom Art for their kindness and support. The review is as follows.

Custom Art is a Polish monitor maker unique for their upbringing in the online DIY community. Former monitor reviewer Piotr Granicki ventured into building in the early 2010s, eventually spawning a company renowned for their lush, musical sounds, their zany, off-the-wall designs and – last, but not least – their superb after sales service. Though home-brew was this company’s de facto brand earlier on, Piotr’s recent efforts in 3D-printing, custom-tuned drivers and FIBAE technology has undoubtedly elevated them a great deal. And, now, all that has culminated in their top-of-the-line in-ear: the FIBAE 7. Embodying the company ethos, the FIBAE 7 is the flagship for your buck; a shot at the top without the sky-high price tag.

Custom Art FIBAE 7

  • Driver count: Seven balanced-armature drivers
  • Impedance: 5.9Ω @1kHz (+-0.75Ω 10Hz-20kHz)
  • Sensitivity: 113dB @1kHz @0.1V
  • Key feature(s) (if any): FIBAE technology, top-firing drivers
  • Available form factor(s): Custom and universal acrylic in-ear monitors
  • Price: €1200
  • Website: www.thecustomart.com

Build and Accessories

The FIBAE 7 comes in Custom Art’s age-old packaging: A modest mini-shoebox with a familiar, yet practical accessory set. In it is Pelican’s heavy-duty 1010 case, a smaller zipper case, a cleaning tool and desiccant. Then, accompanying all that is the Hi leaflet, which is both a quick-start guide and a warranty card with your IEM’s serial number and manufacture date.

For all that mileage Piotr’s gained in technology, craftsmanship and sound, it’s frankly a tad disappointing to see Custom Art’s packaging continue to stagnate, especially for their newest flagship. I’d love nothing more than to see at least some branding on the cover; perhaps, a simple, debossed emblem or an engraving of some kind. And, extra accessories like a microfibre cloth would be greatly appreciated as well. Though sonics and build clearly rank above all else for Custom Art (and rightly so), the unboxing experience still has to have a place there as well. Hopefully, a revamp here is in their cards.

Another addition worth mentioning is the Arete aftermarket cable that this FIBAE 7 comes with. It’s an OCC copper cable made by Null Audio in Singapore, and it features far superior hardware to the Plastics One cables that Custom Art CIEMs usually ship with. It comes with a velcro cable tie for very easy tidying-up as well. And, you can also get it with a balanced termination at check-out or with a microphone, even, if that’s what you want. So, I personally feel it’s a very sensible add-on for Custom Art’s top-of-the-line. And, at €99 purchased separately, it adds even more value to its overall package too.

Thankfully, though, when it comes to the in-ear’s build quality, Custom Art have only continued to top themselves. Every piece I receive from them boasts a new level of polish, and the same is true for the FIBAE 7 I have here. Taking cues from a design I found in CanalWorks’ catalog, I opted for a fairly complex scheme, which the Custom Art team pulled off to a T.

It’s a multi-colour theme, and it features two instances of a gradient as well; a technique Custom Art have recently begun to popularise. First is a colour gradient down the faceplates, shifting from red and blue to the grey of the shells. Then, it’s a particle gradient that transitions from smaller, finer bits of mica to larger, denser pieces of gold flake. Sat at the in-ear’s topmost layer are engravings on either side; the minuscule FIBAE text on that left IEM coming out particularly impressive. And, to finish is buffing and lacquer for a flawlessly smooth, bubble-free surface throughout this entire earphone. Bravo.

3D-Printing and Fit

As mentioned, Custom Art have made the big leap of incorporating 3D-printing into their production line, which brings a fair number of changes. They now no longer need physical, silicone ear impressions to make your custom IEMs. You can send them a digital scan of your impressions instead, which, on its own, cuts the costs of shipping the moulds to Poland, as well as the week or two it takes to get there. If you don’t have scans yet, all you have to do is send Custom Art a set of silicone moulds, which they’ll convert to a digital file for you. You may then use these as a substitute for physical moulds for any future purchase; whether it’s from Custom Art or any other IEM brand that’ll accept them, of which there’re tons. 

With the 3D-printing process also comes changes in fit. Compared to, say, my Harmony 8.2, these fit smoother with even amounts of pressure throughout. There aren’t any hotspots, which helps them vanish in the ear a lot more. One thing I’d note is my units were trimmed pretty low-profile. The faceplates don’t stick out much from the ear, if at all. An advantage is the in-ear is more likely to stay secure. But, at the same time, they’re also cumbersome to remove. You have to dig into your ear, almost, to get a grip and pull them out. If you tend to take your IEMs in and out often, you may wanna ask for a taller shell when placing your order. Comfort-wise, though, that low profile doesn’t bother at all; not even when I’m using thicker upgrade cables. So, all in all, it’s a nicely comfy IEM to wear, and it’ll also stay secure no matter what you’re doing.

FIBAE Technology

FIBAE is short for Flat Impedance Balanced Armature Earphone, and it has become Custom Art’s spotlight innovation. First introduced with the FIBAE 1 and the FIBAE 2, what this technology ultimately aims to do is preserve this in-ear monitor’s tonal balance no matter the source it’s connected to. So, essentially, whether you’re listening to the FIBAE in-ear through your laptop or a dedicated DAP, the frequency response should remain the same. This is especially crucial if you plan to use these on mixing consoles, monitor mixers, etc., where the output impedances can vary wildly from one to the other.

However, that does not mean you won’t hear any differences between the laptop and player either. Although FIBAE tech leaves the frequency response intact, the earphone will scale based on whatever data’s fed into it. A more resolving DAC is capable of rendering clearer spatial cues, deeper backgrounds, etc. So, although it won’t bridge the gap between more capable and less capable sources per se, this tech will allow the user to judge those differences in a clearer manner. And, whatever source you choose to use at the end of the day, you will always be guaranteed the sound Custom Art intended.

The post Custom Art FIBAE 7: The Fair Lady – A Custom In-Ear Monitor Review first appeared on The Headphone List.

Avara EST-6 Review – Lifelike

Pros – 

Bubble-free clear shells, Super comfortable fit-depth, Very well-balanced signature, Exceptionally natural midrange presentation

Cons – 

Bass extension below average in class, Some may want for a more open top-end

Verdict – 

The EST-6 is a monitor you can enjoy all day long, there isn’t anything that instantly gratifies nor anything that wears on the ear over time. It simply sounds right.


Introduction –

Founded in 2017, Avara is Indonesia’s first CIEM manufacturer who have gained rapid international traction with their unreal value. Their cheapest custom offering comes in at just $99, essentially unprecedented pricing for a custom. The company uses SLA 3D printing enabling quick turnaround as little as 3 days and high-precision. Enter the EST-6, a genuinely high-end CIEM with an $1100 USD asking price. Implementing 4x BA drivers and Sonion dual electrostatic tweeters, the EST-6 promises sensational performance. Avara went full out with this model with no expense spared, even investing in a GRAS measurement rig that meets international standards. What differentiates this setup is its especially accurate representation of human ear anatomy, making it highly cost prohibitive but also the best tool to ensure the listener perceives a perfectly flat frequency response. Avara’s flagship is such a creation.

The EST-6 is available for $1100 USD. You can read all about Avara’s development process here and build/purchase into the EST-6 here.

Disclaimer –

I would like to thank Alvon from Avara very much for his quick communication and for providing me with the EST-6 for the purpose of review. All words are my own and there is no monetary incentive for a positive review. Despite receiving the earphones free of cost, I will attempt to be as objective as possible in my evaluation.

Specifications –

  • Driver Setup: 2x low, 1x mid-low, 1x mid-high, 2x estat tweeter
  • True crossover with triple-bore design
  • Connector: 1/8”, gold plated

The Pitch – 

Sonion EST Tweeters 

I think a lot of readers will be familiar with this technology by now. These tweeters implement an ultra-light membrane driven by electrostatic force, offering one of the cleanest and quickest transient responses of all driver types. In turn, distortion is very low into the ultra-sonic frequencies delivering strong extension and resolution. They are, however, difficult to implement given the need for a high-voltage transformer that lowers their sensitivity, making pairing with other driver types difficult. Alvon mitigated these shortcomings with a custom crossover circuit and bore design to ensure phase coherence between the drivers while minimising destructive interference.

Ultra-linear Tuning

As aforementioned, Avara invested in a GRAS measurement setup that offers one of the most accurate in-ear simulations available. The goal was to produce an accurate and revealing monitor that remains faithful to the source material. Their measurement rig ensures accurate feedback of their tuning in-house and gives the team a faithful representation of what will be perceived by the end listener. Once the final prototype was completed, the earphone was measured by a GRAS HD ear-sim coupler in Denmark to ensure it met IEC standards.

Customization –

Avara offers an intuitive IEM builder on their website that gives a good interpretation of what the buyer can expect from the finished product. The experience is quite usual, working from the base up. There are colour options for the shell followed by faceplate customization and, finally artwork in the form of Avara branding/model number or a custom file uploaded by the buyer. Special mention goes to the prestige faceplate designs that enable the buyer to choose up to 3 different styles on one faceplate. The options are very affordable, and you can contact the company if you have specific ideas in mind as with most custom earphones.

Unboxing – 

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As with most CIEMS, the EST-6 has a fairly minimal unboxing experience as most the nature of their designs means a slew of accessories is not necessary. Nonetheless, the outfit here is good. There’s a nice hard box containing the IEMs within a very portable yet protective hard zippered carrying case. Next to it is a leather cable clip and Avara tag, a very nice touch. Your usual papers and warranty info is included alongside a personalised card.

Design –

Where I’ve been very hesitant with transparent CIEMs before, the new crop of 3D printed shells are impressing me more and more. Alvon, the man behind the operation, was very enthusiastic to go with an all-transparent design to showcase the leaps and strides they’ve made minimising bubbles and imperfections. The results speak for themselves. My EST-6 is essentially flawless with only a handful of microscopic bubbles visible upon very close inspection. The level of transparency is terrific, showcasing the stunning 6-driver array inside alongside the eye-catching high-voltage transformers. The shells are also of a solid-body design, with a dense, quality in-hand feel.

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Up top is a 0.78mm removable cable system. The connectors are tight and the included cable is in a charming transparent/silver which complements the transparent shells and silver logos well. Otherwise, the quality of the cable itself is representative of a typical plastic cable as seen on the majority of other CIEMs. It’s soft and pliable, not microphonic but also on the thinner side and, in turn, slightly more prone to tangles. Nonetheless, it is comfortable and low-profile, the memory-wire ear guides also aid a comfortable and stable wearing experience.

Fit & Isolation –

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Due to their solid-body design, the EST-6 offers superlative passive noise isolation, especially of low frequencies. Of note, I do have an abnormal left ear canal which has provided a challenge for many CIEM manufacturers. In order to circumvent this, I suggested to Alvon that the fit depth should be slightly altered and he was happy to work with me on a refit when the seal was slightly loose. After building up the nozzle by half a millimetre, the EST-6 achieves a perfect fit both in terms of comfort and seal. As requested, my particular model has a medium, almost shallow-depth fit, though not quite like that seen on Campfire Audio’s customs. They still lock-in confidently to the ear and retain a strong seal during movement. However, they deliver perfect wearing comfort, disappearing over time with zero pressure. Safe to say, these are some of my favourite customs yet in both design and ergonomics!

Next Page: Sound, Comparisons & Verdict

The post Avara EST-6 Review – Lifelike first appeared on The Headphone List.

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