Proel Sound DI

Passive Direct Injection Box DIRECT100P The 100 Series is a range of D.I. Boxes and Headphone Amps designed to complement audio systems in stage applications, recording studios and fixed installations. Hosted in a stylish extruded and stackable aluminum shell or in a sturdy metal chassis, the 100 Series products are meant to deliver sound quality, versatility and stage-proof reliability in a very affordable package. High quality isolation transformer for ultra-flat frequency response High quality electronic components ¼” JACK input and link connectors XLR-M balanced output 20dB & 40dB PAD and GND lift switch Stackable aluminum shell Technical specs: Input Section   Input Impedance >250 Kohm Max Input Level +10 (PAD at 0) / +30 (PAD at 20) / +50 (PAD at 40) dBu Connectors  1 x 1/4" jack unbalanced Link 1 x 1/4" jack unbalanced Output Section   Output  Transformer Balanced (isolated with shielding) Insertion Loss 26 dB Load Impedance 600 Ohms or greater Connector  XLR male System Performance    Distortion THD 50÷20k Hz 0dBu < 0.007 % Frequency Response  40 Hz to 20 kHz (-3 dB)  General    Controls PAD 0 / -20 / -40, GND LIFT Dimensions (W x H x D)  134 x 50 x 105 mm Weight (excluding batteries) 0,55 Kg

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Active Direct Injection Box DIRECT100A The 100 Series is a range of D.I. Boxes and Headphone Amps designed to complement audio systems in stage applications, recording studios and fixed installations. Hosted in a stylish extruded and stackable aluminum shell or in a sturdy metal chassis, the 100 Series products are meant to deliver sound quality, versatility and stage-proof reliability in a very affordable package. Active Direct Injection Box High quality isolation transformer for ultra-flat frequency response Low-noise OP amps with high-quality sound performance XLR-F and ¼” JACK input connectors + ¼” JACK link - XLR-M balanced output 20dB PAD and GND lift switch Stackable aluminum shell Technical specs: Input Section   Input Impedance >250 Kohm Max Input Level +6 (PAD at 0) / +26 (PAD at 20) dBu Connectors  1 x XLR-F + 1 x 1/4" jack unbalanced Link 1 x 1/4" jack unbalanced Output Section   Output  Transformer Balanced (fully isolated) Insertion Loss 0 dB Load Impedance 600 Ohms or greater Connector  XLR male System Performance    Distortion THD 50÷20k Hz 0dBu < 0.005 % Noise  < -105 dBu unweighted  Frequency Response  10 Hz to 40 kHz (-3 dB)  General    Controls ON/OFF, PAD -20, GND LIFT Indicators Power ON Phantom Power  +18 volts DC to +48 volts DC  Battery  9 volt PP3 type alkaline Dimensions (W x H x D)  152 x 50 x 134 mm Weight (excluding batteries) 0,70 Kg

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Passive Direct Injection Box D10P DI Boxes perform several important functions: they are designed for impedance matching and balancing the signal of a guitar, a keyboard or any line-level output source, and for injecting directly the signal with very long connections to the XLR microphone inputs of a mixing console. D10P is a passive direct box with transformer and does not require any external power such as phantom power or batteries to work. The advantage of a transformer is the possibility to avoid any electrical connection between the sound source and the mixer. This provides two huge benefits: with no electrical path, ground loops are eliminated and the cancellation of common-mode noise, like hum, is possible.

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Active Direct Injection Box D10A DI Boxes perform several important functions: they are designed for impedance matching and balancing the signal of a guitar, a keyboard or any line-level output source, and for injecting directly the signal with very long connections to the XLR microphone inputs of a mixing console. D10A is an active direct box with transformer and requires the phantom power to work. The advantage of a transformer is the possibility to avoid any electrical connection between the sound source and the mixer. This provides two huge benefits: with no electrical path, ground loops are eliminated and the cancellation of common-mode noise, like hum, is possible. The advantage of active instead of passive DIBOX is null insertion loss and less output hum and noise. Technical Specs: Input Section Connectors  1 x COMBO XLR-F + 1/4" JACK unbalanced Link 1 x 1/4" JACK unbalanced Input Impedance 1 Mohm (no PAD) / 47 Kohm (with PAD) Max Input Level + 16 dBu (no PAD) / + 42 dBu (with PAD) Output Section Connector  XLR-M balanced Min Load Impedance 600 Ohms or greater Output  Transformer Balanced (fully isolated) Max Output Level +16 dBu System Performance    Distortion THD+N 0dBu < 0.01 % Noise  < -112 dBu unweighted  Frequency Response  10 Hz to 100 kHz (-6 dB)  Insertion Loss 0 dB General    Controls PAD -26 dB, GND LIFT Indicators Power ON Power Supply  Phantom Power +48 volts Dimensions (W x H x D)  160 x 52 x 106 mm (6.30 x 2.05 x 4.17 ") Weight 0,52 Kg

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