• Mira 3 manual.qxd 11:24 Page 1 Contents Introduction.1 Design Innovation.2 Installation.3 Ventilation.4 DC and Short Circuit Protection.5 Pre-amp Output and Power-Amp Input.6 Input Connections.7-9 In Use.10-12 Loudspeakers & Cable.13 Bi-amping.14 Specifications.15 Troubleshooting.16-20 Input sensitivity and pre-amp gain level.21 Owners Log.22. • Mission Statement Rega’s philosophy is to make high quality products at sensible prices, as a means of reproducing music as faithfully as possible. Rega is committed to the design and development of new and existing products, both in hi-fi and other areas, that.
• Mira 3 manual.qxd 11:24 Page 3 Design Innovation In common with all REGA products, the Mira 3 amplifier has been designed without compromise. Our time and money has been spent on developing the unique circuit design and using unusually high quality components. • Mira 3 manual.qxd 11:24 Page 4 Installation The Mira 3 will work well on most surfaces, such as a shelf or a table, provided there is sufficient air around it to prevent overheating.
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To avoid magnetic interference, site the Mira 3 as far away from the turntable as the tonearm lead will allow. • Never place the amplifier on carpet, rugs, bedding or other hi-fi equipment. Note: If the Mira 3 is driven at high volume for a long period, it will become quite warm. This is entirely acceptable and as long as there is sufficient ventilation, the amplifier will continue to work quite normally.
• Mira 3 manual.qxd 11:24 Page 6 DC Protection The Mira 3 has a circuit which protects the speakers from direct current in the event of a major failure of the system. Short Circuit Protection If in the event that the speaker leads are shorted, the fold back short circuit protection will protect the output stage from excessive currents.
• The pre-amp outputs and power-amp input use RCA type (phono) connectors. Any adjustments made to the power amp link switch and gain must be carried out by a authorised Rega dealer. If work is carried out by any person other than a Rega dealer it will invalidate your warranty. • Mira 3 manual.qxd 11:24 Page 8 Input Connections All the inputs and the tape outputs are made via RCA (phono) type connectors. The sockets on the REGA amplifiers are clearly marked red and white. Right: always the lower row and marked in RED.
• Mira 3 manual.qxd 11:24 Page 9 Phono Input The Mira 3 can be used with moving magnet (MM) or high output moving coil (MC) cartridges. Earthing Earthing is done via the Phono socket ground for Rega turntables so a separate earth is not necessary.
In the unlikely event that your tonearm needs to be earthed to the amplifier, the grounding tag may be connected to the case grounding screw above the input sockets. • Mira 3 manual.qxd 11:24 Page 10 Tuner Input The tuner input is suitable for use with most types of AM/FM tuners. Line Inputs The Line inputs enable the connection of additional sources, such as a second tape machine, tuner, video recorder etc. • Remote sensor Switching On The Mira 3 is turned on by depressing the power switch on the left of the control panel. The LED in the power switch will glow red.
After several seconds you may hear a gentle click. This indicates the switch-on relay has been released and the amplifier is ready for use. • Mira 3 manual.qxd 11:24 Page 12 The volume control has a resolution of 1dB per step, giving a total range of 80 steps over the available gain or volume range of 80dB. There is a calibrated LED display comprising of 20 LED's, which indicates the gain level or relative position of the volume control.