Palmer Audio Debuts PDI-CTC Tube DI Box

The Palmer Tube DI box incorporates two vacuum tubes for a true tube sound.

Anaheim, CA (January 13, 2010) -- Palmer Audio has announced a new premium tube DI box for guitar, the PDI-CTC (short for Palmer Direct Injection – Classic Tube Circuit). The Palmer PDI-CTC is designed to bring out the subtle tonal characteristics of a tube by creating the shortest possible signal path from input to output. For this reason, no volume control is included.

The PDI-CTC Tube DI incorporates two vacuum tubes, an ECC83/12AX7 and an ECC82/12AU7, for a true tube sound. Four musically voiced wideband filters (low, lo-mid, hi-mid and high frequencies) offer a wide range of tone control, utilizing a bell-shaped filter characteristic to prevent the boosting of unwanted sub- and supersonic frequencies. Each filter band has a 3-position toggle switch (Flat, +4 and +8 dB) on the front panel to ensure precise reproduction of the desired setting from gig to gig.

The Palmer PDI-CTC offers an extended dynamic range such that no limiting occurs below signal levels of +30 dBu at the line output. This makes the Palmer tube DI ideal for a wide range of instruments, including electric and electro-acoustic guitars and basses as well as keyboards and synthesizers.

Comprehensive outputs and controls ensure proper operation under any conditions. The Hi-Z guitar input may be accessed via either mic- or line-level balanced XLR outputs on the back panel, each with a dedicated ground lift. In addition, Palmer has supplied both parallel and buffered ¼-inch unbalanced outputs on the front panel. The PDI-CTC is mains-powered, generating the required tube voltages from its integrated power supply.

For more information:
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