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12 sie 2010 · Crack is our version of classic OTL headphone amp designs of several years ago that were hailed as some of the best sounding of their day. Comparison of our prototype with the $10K Bottlehead reference headphone amp was a bit disturbing.
Here you will find vacuum tube based amplifier, preamplifier and headphone amplifier kits, speaker kits, finished high end tube audio products, reel to reel tape machine upgrades, parts, and one of the finest support communities on the web.
2 wrz 2021 · Learn how to build the Bottlehead Crack - an affordable tube-based headphone amplifier.
This is a group buy for the acclaimed Bottlehead Crack Headphone Amplifier kit + Speedball Upgrade package. This is widely considered to be one of the best OTL Headphone amps available under $500 and is often compared to amps priced above the $1000 mark.
29 wrz 2013 · The Bottlehead S.E.X. is the mid-level DIY tube headphone amp from Bottlehead USA. As per the very well-known Crack OTL amplifier, it's a kit that you build yourself, but it's a little more challenging than the Crack due to the extra components involved.
13 lut 2016 · This is a nice tube headphone amplifier kit and the built version is a good example of how to do it right. Objective performance shows severe problems. However it also points to lots of power availability and potential for modification of frequency response of the headphone.
