Thank you @xrk971! I found it available and faster shipping to the US at another shop: https://www.aliexpress.us/item/3256805961054373.html
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I had good success using a battery bank with USB C power delivery and an adapter cord with PD trigger. The cord has a chip built in that requests the higher voltage from the battery bank. Just check that the powerbank you buy is able to output your desired voltage (12, 15, or 20V).
There is a promotional sale on select Vera-Fi Audio products using this code: DCHIFI24
The code will be active on April 6th through the Friday the 19th effective for 20% off Vera-Link BT amps, Vanguard Scout speakers, and the Caldera 10 powered subwoofer.
The code will be active on April 6th through the Friday the 19th effective for 20% off Vera-Link BT amps, Vanguard Scout speakers, and the Caldera 10 powered subwoofer.
I connected the Vera-Link amp to drive my new Vanguard Archer speakers. Connected the BT from my laptop and found that I could drive it with a 1kHz generator from REW and took an RTA with my calibrated mic. The results show why this amp sounds so good. Doninant 2nd harmonic and decreasing higher orders. Almost like a SE Class A amp. The junk at lower frequencies is partly from ambient room noise from nearby furnace HVAC vent. .
