Demeter Amplification HDI-1 - Direct Line Driver
A Versatile DI
The Demeter Amplification HDI-1 - Direct Line Driver is a versatile new addition to the Demeter line of professional tube audio equipment. Demeter Amplification, the originator of the first commercially available Tube Direct Box has taken the technology to a new level with this innovative product incorporating the same tube driven ultra high impedance input (27 megohms) found in the original Tube Direct (to prevent instrument pickup loading) and a new balanced line level output section. The unit can be used as both line level direct instrument input or as a line level driver to add tube warmth to line level digital interfaces.
The front panel features two independent channels, with separate 1/4" inputs, ground lift, phase preset, unity gain (+6 dB with balanced output) and a tube driven (cathode input plate output) boost mode with 20 dB of boost controlled by a continuously variable volume control and a unity gain low impedance tube driven output to drive external instrument amplifiers or effects. The rear panel features separate TRS and 3-pin connectors for each channel. As with all H series units, the power supply is fully regulated (for low noise) supplying 220 V B+ to the tubes. Hand built in the U.S.A. with the finest components available.
- Input impedance: 27 megohms
- Output impedance: 50 Ohms
- THD @ 1 kHz: .035% unity, .081% boost
- Bandwidth: 20 Hz to 20 kHz
- Signal to noise: - 98 dB
- Gain: 20 dB/unity
- Output: @ 600 Ohms +28 dB
- Tubes: 2 12AX7a
- Outputs: TRS 3-pin rear, 1/4" mono front
- Operating voltage: 230/115 V AC
|Input Connectors||Analog XLR|
|Output Connectors||1/4-inch TRS|
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