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Some innovative CHI-FI companies even attempted to fuse planars with conventional drivers – the TRI I3, I3 Pro, Raptgo Hook-X, and Kinera Celest Gumiho are cases in point. Regarding the latter, there’s some controversy about whether the drivers used in the Celest could be classified as legitimate planars, but that’s a tale for another time. On desktop- N6ii LO and A30s (Burson V5i D) and XDUOO MT602 Sylvania tubes ( beautiful pairing but then low gain on N6ii and also volume at 05 ) have been used. The sub-bass is in all ways satisfying and well contained. It's a light experience, not dark and dirty.
Compared to their chief rival, the 7Hz Timeless may have slightly better resolution, but the S12 Pro have a more natural timbre, superior soundstage depth, and a better fit. Also, the S12 Pro are substantially cheaper, and I much prefer the S12 Pro.
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However, the Timeless AE offers a better performance when you use it with more powerful sources like DAP’s (FiiO M11 Plus ESS, iBasso DX170) or DAC/Amplifier (iFi Audio xDSD Gryphon). The aluminum housings are pretty minimalistic and feature a matte finish. Build quality is top-notch. The shells are fashioned from a five-axis CNC (computer numerical control) process, with a small L and R circle on the housings denoting the left and right sides respectively. The passive noise isolation of 7HZ Timeless AE is on an average level, which is efficient enough for the use in relative noise environments such like public transportations including bus, metro, or trains.
Without the Cipher cable the iSine 10 sound horrible. They are an uncontrolled, peaky mess from analog sources and are practically unlistenable. The story changes drastically with the Cipher cable. The 7Hz Timeless has a light V-shaped but still, fairly balanced sound signature. Bass and treble are moderately boosted with the midrange just a touch recessed. It has a pleasing tonal balance where the amount of bass and treble feels about right. This lower treble issue is exacerbated by some emphasis near 8KHz that makes the leading edge of cymbal hits too prominent. The 7Hz Timeless are quite comfortable and have a snug fit. I can listen to them for hours without any discomfort or pressure buildup. Isolation, unfortunately, is below average. InternalsIn the area of technicalities, the S12 Pro have above-average imaging, instrument separation, and layering. Micro-details are decent enough but not class-leading. The soundstage is unfortunately bang average and sounds in-your-head. I used the 7Hz Timeless predominantly balanced on my desktop setup as I didn’t really fancy it as a portable pair. I found my setup gave it a very nice breadth and height, and it performed well enough in terms of staging for an IEM. The sound signature is rather balanced with a boost of warmth in the bass. However, it isn't anything over the top to send this into basshead category. Upper-treble notes may still be heard shimmering,using copper cable hepls to mitigate this problem. LETSHUOER also dabbles in cables and sources, such as the M5 and DT02, respectively. Technical Specifications
The shape of the Timeless is quite original also, definitely a break from the norm. They are a large circle shape that fits just outside the ear, with a nozzle that is quite long but makes them quite comfortable. Personally I find the S12 more comfortable but the Timeless are not bad in this regard either. The cable sports a y-splitter and chin slider with a fancy shape, which are made from the same metal material like the connector housing. The first thing that I noticed with the 7Hertz Timeless is the bass - the sheer quantity of it. While I like sub-bass and a decent amount of mid-bass (Dusk, Clairvoyance), the Timeless I feel overdoes it. You can make do some of that with the right eartips for a better balance. Your brain can adjust to the additional mid-bass offered by Timeless.The 7Hz Timeless AE is a brand new special edition of the Original Timeless and has been designed in collaboration with “AngelEars”. The Timeless AE comes with the same 14.2mm diameter Planar Magnetic Driver that has been used inside the OG Timeless, while it is tuned to produce a 3dB boost in the lows along with some improvements in terms of Treble and Midrange response. The Timeless AE follows the same monitor design of the OG Timeless that is made from 5-Axis CNC machined aluminum material, while it has a different color, which is now in Blue. For consumers who want to board the planar hype train, the S12 Pro are arguably one of the better sets to consider. Boasting fast transients, above-average technicalities, a solid build, and a balanced V-shaped tuning, the S12 Pro do most departments well. Opening the box, you’re greeted with a marketing blurb and a view of the carrying case through a plastic window. Normally I don’t talk much about included cases for IEMs but this particular one deserves a mention.
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