Upgrade your LS1a with new electronics and a new Beryllium tweeter with this LS1be Upgrade from Grimm Audio. Once complete, the upgrade provides an increase in your speaker's resolution. The new Beryllium tweeter the upgrade provides, extends the frequency range and has 9 dB less distortion than the original tweeter. The electronics upgrade includes optimized DSP filtering, lower jitter, improved power supply, exclusive component selection, and silver power supply wiring.
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