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APR-1 Audio Powering Rack System
This unique product has been designed to provide an all in one powering solution for today's sound recordists using the Audio Ltd 2020 UHF radio mic system. The APR-1
rack is made from a combination of aluminium and a lightweight high impact ABS
material making this product both durable and lightweight at just 690gms. APR-1 fits perfectly into most bags with all the necessary operating switches and controls provided on the top of
the units. No more organised clutter using NP1 powering adapters, NP1 batteries, various audio and powering cables and expensive radio mic's jostling about for usable space. The APR
-1 is fitted with Audio Ltd’s own filtered RF distribution amplifiers so that only two antennae are needed for maintaining perfect operation. Fitting Audio’s own DA's ensures you
maintain superb sound quality with total compatibility and ease of use.
The APR-1 accepts up to two Audio 2020 receivers and are inserted directly into
the rack. For quick installation and removal of the receivers the APR-1 is fitted with the mating connectors required to pick up the power and audio directly from the
receivers. DC power is supplied at a regulated 9.5volts and both channels have their own independent power switches.
Colour coded output audio cables are supplied and fitted directly to the rack. The output cables are fitted to the rack using spiral strain relief bushes and are also recessed to provide yet further protection.
DC outputs are provided on both sides of the APR-1 rack. On one end directly above the audio outputs there are two Hirose sockets offering unregulated power
at a nominal battery voltage of 12volts, these can be used for powering a mixer, a DAT machine or similar 12V equipment. On the opposite end of the APR-1 are a
further two Hirose sockets offering a regulated 9.5volts intended for powering additional receivers or transmitters.
The APR-1 has been designed around an NP1 battery system. The NP1 battery slots directly and securely into the middle of the APR-1 giving a perfect balance to the sound mans bag system.
Most if not all NP1 types are suitable for use in the APR-1; this is due to the racks ability to regulate the voltage supply to the Audio receivers at a constant 9.5volts.
For ease of use a main power switch and indication is fitted directly to the top of the rack. This can be used for powering down the whole system when not in use
saving the batteries power and therefore increasing running time. To protect the battery from being over discharged and to warn of a low remaining battery capacity
a flashing LED is also fitted adjacent to the main on-off switch. The level for indication is set for battery type via a slide switch recessed into the back panel.
- Size: 225 x148 x 50mm.
- Weight: 690gms.
- DC Input: Any voltage/type NP1-battery.
- RM Slots: Two quick insert pockets.
- Antenna connection: Two gold SMA.
- Main power switch: 10A Mini rocker (Recessed).
- RM Switch: Miniature toggle (Covered)
- Frequency: UHF tuned to order
- Power consumption: 70mA (130mA each UHF receiver).
- DC Outputs: Two Hirose 12VDC nominal.
- Others: Two Hirose 9.5VDC. Regulated.

- Fusing: 3A multifuse / Aux’s 1.1A.
See Audio Ltd. 2020 series radio microphones.
APR-2
The APR-2 is the perfect powering solution for 2 x Cx-iR radios in a bag. Similar to the APR-1 the APR-2 has power distribution
for powering extra kit other than the radios. The APR-2 is not regulated as the Cx-iR receivers will accept an input voltage of 8.5-18VDC.
The APR-2 is available with fixed audio 3-pin XLR cables or a single 5-pin XLR (Chassis Mounted). This 5-pin XLR connector is intended for use in a Mini-DV bag, this option is available to order.
The Cx-iR radio plugs directly into the APR-2 via a 15way D Connector. As with the APR-1, the APR-2 is fitted with a main power
switch and indication fitted directly to the top of the rack, this can be used for powering down the whole system when not in use, saving the batteries power and therefore increasing running time.
Specifications:
DC Input: Any Voltage (NP1 Type) DC Outputs: 2 x Hirose / Fused 1.1A Length: 14cm (5.5in) Width: 16cm (6.3in) Depth: 5.0cm (2in) Weight: 440g (15.5oz)
AD-NP1 - Dummy NP1 Power Adaptor
The AD-NP1 is a battery adaptor which can
be used in conjunction with either of the APR’s to expand the powering solutions for the racks.
By inserting the AD-NP1 (in place of a NP1 battery) the operator can utilise either the XLR4 Plug or BP-90 (2.1mm) socket to provide power to their rack.
This valuable piece of equipment allows the use of other types of batteries, or even a mains unit (For static use) saving the power of NP1’s for portable use only.
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