Laiye A3 PRO Tube Preamp Restored Automotive sku-14894062157
4.8(20 ratings)Laiye A3 PRO, sku-14894062157, is a tube preamplifier listed under Restored Automotive. Its listed size is 118*95*30mm. The source calls it the Audio A3 PRO 6K4. It needs a downstream power amplifier or active speakers; do not connect passive speakers or earphones directly as though it were a power amplifier. Incorrect amplification or an unstable supply can cause damage.
Poorly filtered audio lines or power supplies may cause low-frequency hum or background noise. Use a stable, filtered power source and suitable audio cables. Check the source signal for noise, ensure the vacuum tubes are fully seated, and turn the power off before handling them.
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