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PIMETA v2 Headphone Amplifier - Tangentsoft
https://tangentsoft.net/audio/pimeta2/
PIMETA v2 Headphone Amplifier What is a PIMETA v2? It’s a PPA-Inspired META42 successor: a portable headphone amplifier packing a lot of hi-fi punch. This is the second generation of this design. (See PIMETA v1) Features …
PIMETA v1 Headphone Amplifier - Tangentsoft
https://tangentsoft.net/audio/pimeta/
PIMETA v1 Headphone Amplifier What was the PIMETA v1? The PIMETA v1 was a PPA-Inspired META42 successor. It was about the same size as the META42 board, but the topology is closer to that of the PPA. This version of the PIMETA board is no longer available, having been replaced by an improved design.
Beezar Audio PIMETA | Beezar Audio
http://beezar.com/pho-bzr/catalog/product_info.php?products_id=353
The PIMETA design represents perhaps the epitome in an opamp-based headphone amplifier. The PIMETA blows away the Mini3 (also for sale at Beezar Audio) in performance, for instance, and many other opamp headphone amplifier designs since the original CMoy. Major differences from the basic design include the following: Dual 9V, rechargeable batteries
“Upgrading” a Pimeta v1 Headphone Amplifier – Toli's DIY
https://tolisdiy.com/2019/05/25/upgrading-a-pimeta-v1-headphone-amplifier/
By now the Pimeta isn’t a new design, and in its earlier days it was quite well known on the Head-Fi forums and other headphones/audio forums online. Nowadays it seems there is a fairly limited number of people have ever heard of. That’s a shame in my opinion, it really is a compact, easy to build, low BOM cost, and good sounding little ...
Tweaks - Tangentsoft
https://tangentsoft.com/audio/pimeta2/tweaks.html
Balanced receiver: If your source uses balanced audio (XLR plugs) you could put a couple of balanced receivers here, like the INA121, and run their output to the PIMETA’s INPUTS connector. Supply voltage boost: Imagine using the 2×AA version of the Serpac H-65 case with 2500 mAh NiMH rechargeables along with a little DIP-8 voltage doubler ...
Just how good is the PIMETA? | diyAudio
https://www.diyaudio.com/community/threads/just-how-good-is-the-pimeta.97563/
I'm currently building the Tangentsoft PIMETA, with PRP and Holco non-magnetic resistors and nice caps (Elna Cerafine, Auricaps), doubled buffers and the AD620 opamp biased to class A, big Alps pot, etc. I'm basically going "all out" with the components. My reward is mostly in the building...
Power Supply Matters - Tangentsoft
https://tangentsoft.com/audio/pimeta2/ps.html
Power Supply Matters. In the documentation for earlier headphone amp designs, I covered power supply selection and related matters as part of the Part Selection Guide.While creating the PIMETA v2 documentation, I realized that this was forcing me to gloss over a lot of details, treating the power supply as if it were no more important than a resistor.
Pimeta vs less complex amps (Cmoy etc) | Headphone Reviews ...
https://www.head-fi.org/threads/pimeta-vs-less-complex-amps-cmoy-etc.157889/
The Pimeta has a certain "sameness" about its sound, while the Go-Vibe changes character with the music more. This could be due to just getting used to a different sound however, as I'm completely adjusted to the Go-Vibe. But looking at the design of the two amps, the Go-Vibe has substantially less stuff in the signal path (as well as a shorter ...
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