- Written by Robert Kozel
- Published on 16 July 2009
- Sherwood RD-7503 7.1 A/V Receiver and BT-R7 Bluetooth Adapter
- Page 2: Design of the Sherwood RD-7503 A/V Receiver and BT-R7 Bluetooth Adapter
- Page 3: Setup of the Sherwood RD-7503 A/V Receiver and BT-R7 Bluetooth Adapter
- Page 4: The Sherwood RD-7503 A/V Receiver and BT-R7 Bluetooth Adapter In Use
- Page 5: Conclusions About the Sherwood RD-7503 A/V Receiver and BT-R7 Bluetooth Adapter
- All Pages
The RD-7503 comes in black and has a very straightforward front panel design. Insert Fig 1. There are knobs for input selection and volume control, as well as a multi-control knob for selecting options during setup or for changing surround modes. The other controls are buttons which provide access to such things as power, setup, room 2, and the tuner of the receiver. The RD-7503 also has two buttons for access to surround modes and stereo. This allows the user to directly select stereo decoding or surround sound decoding without having to scroll through the full list of processing modes.
Just under the master volume control is a small plastic cover.
The cover is easily removed and reveals the 24 pin connector for the BT-R7 Bluetooth Adapter.
The BT-R7 itself is very small (1.75" W x 0.5" H x 1" D) and features a blue LED which is used to indicate successful connectivity.
The installation of the BT-R7 adapter is completed by simply plugging the adapter into the 24 pin connector. The BT-R7 requires no batteries since it gets its power from the RD-7503. Cosmetically the BT-R7 blends nicely with the design of the RD-7503, although there is extra space to the left of the adapter which is unused.
The back panel of the RD-7503 is well organized and offers support for a wide array of components.
The receiver supports three HDMI 1.3 inputs and one HDMI 1.3 output. This is enough to handle a satellite or cable receiver / DVR, a Blu-ray player and a gaming system. The receiver supports a full complement of analog audio and video inputs with two component video inputs, three S-Video and Composite inputs, with one output each, as well as audio inputs for CD and Tape. The RD-7503 also supports 4 digital audio inputs (2 coaxial and 2 optical). Sherwood also included external analog inputs to support up to 7.1 channels of analog input. This feature allows you to take advantage of the audio decoding of an external player such as a Blu-ray player or a DVD/SACD/DVD-A player and enjoy the audio from the RD-7503.
The speaker jacks support a full complement of 7.1 speakers. If you don't use the Surround Back speakers, you have the option to bi-amp the front speakers using the Surround Back channels. This can be useful if your front speakers support bi-amplification. I would recommend that the Surround Back speakers be used for their intended purpose if you can accommodate the extra speakers in your listening room. Jacks are also provided for a stereo pair in Room 2. If you connect both the Surround Back speakers and the Room 2 speakers to the RD-7503, the receiver will power the Room 2 speakers when the Room 2 feature is engaged, otherwise the Surround Back channel will play when Room 2 is turned off.
The remaining connections on the RD-7503 back panel allow support for a SIRIUS satellite antenna, iPod connectivity, and of course AM and FM antennas for the built in tuner. A 12 Volt DC Trigger is also included which allows you to turn on another device, such as an external amplifier for room two.
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