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26 Dezember 2024
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RDL HR-MP2A MICROPHONE PREAMPLIFIER Dual input, balanced, stereo, mono out, 24/48V phantom, filters

Artikelnummer
57-4622
Hersteller
RDL (Radio Design Labs)
Typennummer
  • HR-MP2A
RDL HR-MP2A MICROPHONE PREAMPLIFIER Dual input, balanced, stereo, mono out, 24/48V phantom, filters
RDL HR-MP2A MICROPHONE PREAMPLIFIER Dual input, balanced, stereo, mono out, 24/48V phantom, filters

RDL AV INTERFACES - HALF-RACK Series

RDL's HR series are 'Half-Rack' Series products with an 'all-metal chassis' which may be used free-standing, using the feet supplied. Each unit may be labelled by removing an end cap and sliding out a clear plastic cover, which can be slid back in to cover user’s labelling, much in the manner of standard designation strips. Two units may be mounted side-by-side in an optional 1U 19-inch rack adapter.

A to D AND D to A CONVERTERS

FORMAT CONVERTERS

MICROPHONE PREAMPLIFIERS

The HR-MP2A and HR-MP2 dual microphone pre-amplifiers both have balanced inputs, independent controls for each channel, phantom powering, input pads, phase reverse switches, clipping indicators and balanced line-level outputs for each channel and a separate summed mono output of both channels. The two channels may be used in stereo or as two separate mono preamplifiers

RDL's HR series are 'Half-Rack' Series products with an 'all-metal chassis' which may be used free-standing, using the feet supplied. Each unit may be labelled by removing an end cap and sliding out a clear plastic cover, which can be slid back in to cover user’s labelling, much in the manner of standard designation strips. Two units may be mounted side-by-side in an optional 1U 19-inch rack adapter.


HR-MP2A

This model offers only 48V phantom power, and has fewer controls and connectors than the HR-MP2.

The front panel has is split into three sections. Two provide the controls for microphone one and two. Each contains a rotary gain control with associated clip LED, a push button to switch the input pad in and out and a phase reverse switch. The third section has a switch to turn phantom powering on and off and a power switch with LED indicator.

The rear panel has two groups of connectors, one for each channel. Each consists of a female XLR input, and a 6.35mm 3-pole jack socket with adjacent 3-pole detachable terminal block connector for the balanced line outputs. In addition there is a single detachable terminal block giving a balanced output of the mono sum of the two channels. Both a co-axial connector and a detachable terminal block are provided for connecting power.

Inputs: -56dBu to 0dBu, 1kohms balanced, maximum gain without pad, minimum gain with pad, for +4dBu output; more than +5dBu maximum, input pad disabled, +22dBu maximum, input pad enabled. Input pads: 15dB nominal. Phantom power: 48V phantom (IEC 1938: 1996-12). CMRR: 80dB, 50Hz- 5kHz. Gain trim: 20-60dB. Response: 10Hz-70kHz +/- 0.5 dB. Distortion and crosstalk: Below noise floor. Noise: Better than -85dB, 20Hz-20kHz, 40dB gain, 150ohms source, below +4dBu output; -70dB, 60dB gain. Outputs: +4dBu balanced, -4dBV unbalanced, +24dBu maximum balanced, 150ohms. Power source: 24-33V DC, 165mA, 190mA with phantom, ground-referenced. Dimensions: 43 x 206 x 116.6mm (h x l x d).
Included accessories: Instruction sheet, mounting screws. There is no AC power supply.
Optional accessories: Power adapter, 24V, see RDL Power Supplies; mounting hardware, see RDL Rack Mounting Adapters - Half-Rack.


HR-MP2

This has all the facilities of the HR-MP2A, with, in addition separately controlled phantom power voltage, 24V or 48V, and low-cut filters, 6dB/octave, 80Hz, for each channel. There are additional LEDs for level monitoring and extra XLR connectors for the channel outputs.

The front panel has the same controls as the HR-MP2A with, in addition, for each channel, the following: A low-cut filter switch, two LEDs to indicate signal presence and +4dBu output level and a phantom power voltage switch to select either 24V or 48V phantom power.

The rear panel offers the same connections as the HR-MP2A with, for each channel, an additional female XLR connector for the line outputs.

Specifications: As the HR-MP2A except the following. Phantom power: 24V or 48V phantom (IEC 1938: 1996-12). Response: 10Hz-70kHz +/- 0.5 dB, flat; -3dB at 80Hz, low-cut filter enabled. Power source: 24-33V DC, 50mA, 200mA with phantom, ground-referenced.

Accessories: As the HR-MP2A

COMPRESSORS

DISTRIBUTION AMPLIFIERS

MOUNTING ADAPTERS

This hardware mounts up to two RDL Half-Rack or Rack-up products in a 19-inch rack, taking up 1U of space.


HR-RA2 Rack Mounting Adapter - Half-Rack Series

This is a 1U, 19-inch rack chassis for mounting two RDL Half-Rack products, plates or accessories. Half-Rack series products drop into the chassis, slide into position and are secured by tightening two or four screws provided with the product or accessory.


HR-RU1 Mounting Adapter Kit - Rack-Up Series

The HR-RU1 is a kit of two brackets that allow a Rack-Up product to be mounted in one-half of an HR-RA2 Rack Adapter.


HR-FP1 Filler Panel - Half-Rack Series

The HR-FP1 is a filler panel that occupies one product space in an RDL Half-Rack mounting chassis, such as the HR-RA2, filling unused space. The design of the HR-FP1 complements the appearance of adjacent products.