Demeter HDI-1 - Dual Channel Tube Direct Box

The HDI-1 H Series Tube Direct from Demeter is a dual channel, tube-based DI. The unit incorporates the same tube driven, ultra-high 27MΩ impedance input found in the original Tube Direct that prevents instrument pickup loading. A balanced line-level output section allows the unit to be used as both a line-level direct instrument input, or as a line-level driver to add tube warmth to line-level digital interfaces.
Each channel features separate 1/4" inputs, ground lift, phase preset, unity-gain balanced output and a tube driven boost mode with 20dB of boost. The overall output is controlled by a continuously variable volume control that delivers a unity-gain, low-impedance, tube-driven output to drive external instrument amplifiers or effects. The rear panel provides separate 1/4" TRS and XLR connectors for each channel. The power supply is fully regulated for low noise and supplies 220V B+ to the tubes.


Dual channel, tube direct box


Ultra-high input impedance to prevent loading instrument pickups


Balance line level output


Can be used as a line level driver to add tube "color" to digital interfaces


Ground lift switch


Phase reversal switch


20dB tube based boost switch


Fully regulated, universal power supply

Spec:







Input Connections
2 x 1/4" TS phone


Output Connectors
2 x XLR2 x 1/4" TRS phone2 x 1/4" TS phone Aux Output (front panel)


Input Level
+10 dbv normal, 0 dbv boost


Output Level
+28dB @ 600Ω


Controls
Ground liftPhase invertGain boostVolume control


Frequency Response
20Hz to 20kHz


Noise
SNR: -98dB


Power
115/230V AC


Dimensions (WxDxH)
19" 1U rackmount


Weight
15 lbs (6.8kg)


Specialties
Utilizes twin 2AX7a tubes






Packaging Info


Package Weight
11.05 lb


Box Dimensions (LxWxH)
21.3 x 15.9 x 7.4"










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