RA04SE - Receiver ROTEL - Free user manual and instructions
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| Product Type | Stereo Integrated Amplifier |
| Brand | Rotel |
| Model | RA-04 SE |
| Continuous Power Output | 40 W/channel into 8 ohms (20-20,000 Hz, THD <0.03%) |
| Total Harmonic Distortion | <0.03% (20-20,000 Hz, at full power, half power, or 1 W) |
| Frequency Response (Phono Input) | 20 Hz - 15 kHz ± 0.3 dB |
| Frequency Response (Line Inputs) | 10 Hz - 40 kHz ± 1 dB |
| Sensitivity/Impedance (Phono Input) | 2.5 mV / 47 kilohms |
| Sensitivity/Impedance (Line Inputs) | 150 mV / 24 kilohms |
| Signal-to-Noise Ratio (Phono Input) | 80 dB (IHF A-weighted) |
| Signal-to-Noise Ratio (Line Inputs) | 100 dB (IHF A-weighted) |
| Damping Factor | 180 (20-20,000 Hz, 8 ohms) |
| Dimensions (W x H x D) | 435 x 72 x 342 mm (front panel height 60 mm for rack mounting) |
| Net Weight | 5.9 kg |
| Power Supply | 115 V/60 Hz or 230 V/50 Hz (depending on version) |
| Main Functions | Volume, balance, bass/treble controls, source selector (CD, Tuner, Aux, Phono), Tape Monitor, speaker selector A/B, headphone jack, Media Player input (AUX2), preamp outputs, 12 V trigger |
| Maintenance and Cleaning | Clean with a dry cloth or vacuum cleaner. Do not use liquid products. |
| Safety | Double electrical insulation. Do not expose to moisture. Disconnect during thunderstorms. No user-serviceable parts. Contact an authorized repair service. |
| Repairability | Entrust any intervention to an authorized Rotel repair service. The internal fuse must be replaced by a professional. |
Frequently Asked Questions - RA04SE ROTEL
How to connect a turntable to the RA-04 SE?
Connect the turntable cable to the Phono inputs (left and right). If the turntable has a ground cable, connect it to the screw terminal marked ground next to the Phono inputs to avoid hum.
Can I use headphones with the RA-04 SE?
Yes, connect your headphones (6.35 mm stereo jack) to the headphone jack on the front panel. Use the speaker selector to turn off the speakers if you want to listen only via headphones.
What to do if the amplifier produces no sound?
First check that the selected source is outputting a signal. Make sure the cables between the source and the amplifier are properly connected. Also check the speaker cables and the position of the Function selector. If the Power indicator does not light up, check the mains power.
How to replace the fuse of the RA-04 SE?
The internal fuse must be replaced only by an authorized Rotel repair service. Do not attempt to do it yourself, as opening the device poses a risk of electric shock.
What is the output power of the RA-04 SE?
The amplifier delivers 40 watts per channel into 8 ohms, from 20 Hz to 20 kHz with less than 0.03% distortion.
Can I connect two pairs of speakers to the RA-04 SE?
Yes, it has two sets of outputs labeled A and B. If using both pairs simultaneously, each speaker must have a minimum impedance of 8 ohms. With a single pair, the minimum impedance is 4 ohms.
How to clean the amplifier?
Use a dry cloth or a vacuum cleaner to dust the device. Never use liquid products or abrasive cleaners, as they could damage the circuits or penetrate inside.
What is the 12 V trigger jack used for?
The 12 V trigger jack allows automatic power on/off of other compatible devices (such as a preamp or player) when you turn the RA-04 SE on or off. Connect a 3.5 mm mono mini-jack cable between the devices.
How to adjust the left-right balance?
Turn the Balance knob on the front panel. The center position (zero) gives perfect balance. Turn counterclockwise to favor the left channel, clockwise for the right channel.
What is the Tape Monitor function used for?
The Monitor button allows listening to the signal from a tape recorder connected to the Tape jacks. In 'Source' position, you hear the source selected by the Function selector. In 'Monitor' position, you hear the playback signal from the tape recorder (useful for checking a recording).
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