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The Grimm Audio LS1be Upgrade from LS1a upgrades your LS1a with the electronics and Beryllium tweeter from the LS1be enhancing the speaker's resolution. The Beryllium tweeter extends the frequency range with 9 dB less distortion than the original. The upgraded electronics provide optimized DSP filtering, lower jitter, improved power supply, exclusive component selection, and silver power supply wiring.
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