Frequently Asked Questions

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We offer a variety of hifidelity vacuum tubes ~ both sealed box true nos and open box, top-shelf headphones, and several premium accessories, all carefully curated from collections worldwide. Our complete one-stop-shop includes upgrades for preamps / power amps / tube mics / or phono grade sound systems ~ tune your production, vocal reproduction, instrumental and/or listening experience w/ more warm fidelity, articulate definition.

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authentic vintage hifidelity audiophile / preamp / mic / power tube curation
see our new arrivals + reserve/request options + special limited editions
+ true nos sealed box rarities + pinched waist collectibles + high-res headphones

Yes! we offer international shipping to most countries. Shipping rates and times vary depending on priority / economy preference. Caliacoustics has a long track record of selling hifidelity audio to vocalists listeners and audiophile enthusiasts worldwide!

We provide more valuable product info than the competition, from extensive sound trials in studio audition sessions, to detailed sound curve analysis for your enjoyment ~ all to better choose the sound signature you want to experience!

We also also feature a one-of-a kind value-added complimentary master refurbish process on all open box tubes. This multi-step exclusive seller quality control ensures the best screening process and proprietary deoxit, essential for low noise applications. 

At Caliacoustics we care more about your signal!