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dh110

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    Upgrading a Hafler DH110

    The DH-110 replaced Hafler’s first preamp, the DH-101, and was produced from the early 1980’s to the early 1990’s. I picked up this unit and decided to look inside and upgrade it. This unit has everything. A headphone amp that’s not very loud. A muting circuit to prevent downstream thumps that...
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    • dh110 hafler
    • Replies: 154
    • Forum: Solid State
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