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アクセサリー Crucial Audio DUB-1のPDF 取扱説明書をオンラインで閲覧またはダウンロードできます。Crucial Audio DUB-1 6 ページ。 Wideband vacuum tube direct box

FUNCTIONS
Right Side Panel
GND LIFT SWITCH: Isolates balanced outputs' chassis ground, to reduce potential ground loops.
POLARITY/PHASE SWITCH: Selects polarity/phase for Balanced Output on XLR connector.
BALANCED OUT: Balanced Low-Impedance Out (polarity determined by Phase switch).
HI-Z OUT: This unbalanced ¼" jack provides a high impendance output signal to your amplifier, mixing
console, or other effect units.
POST/PRE SWITCH: Selects signal source for Hi-Z Out. Pre = pass thru/dry. Post = Tube Pre amp out.
INST/LINE SWITCH: Engages a 15dB pad for the HI-Z input.
HI-Z IN : Unbalanced, high impedance ¼" input is optimized for a variety of input levels.