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F25 REMOTE CONTROL STEREO
PREAMPLIFIER
INSTRUCTIONS FOR USE
Thank you for purchasing the Musical Fidelity
F25 Preamplifier. Used properly and carefully, it
should give you many years of outstanding musical
reproduction.
The F25 is the result of many years painstaking
research and development and is designed for
ultra-high definition performance. The F25 is
equipped with full remote control facilities.
The F25 operates in Class A. It has sound quality
equal to, or better than any preamplifier currently
available. We hope you will be delighted with your
purchase.
Dust regularly with a soft duster or soft brush but
do not use cleaning or polishing agents - they may harm
the surface finish.
If you have any questions about anything in your
audio system, please consult your dealer who is there
to help and advise you.
F25
Instructions For Use. Page 1
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Summary of Contents for Musical Fidelity F225
- Page 1 F25 REMOTE CONTROL STEREO PREAMPLIFIER INSTRUCTIONS FOR USE Thank you for purchasing the Musical Fidelity F25 Preamplifier. Used properly and carefully, it should give you many years of outstanding musical reproduction. The F25 is the result of many years painstaking research and development and is designed for ultra-high definition performance.
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Page 2: Please Read
RFI the unit may be susceptible and not perform as expected. In the unlikely event of this happening on a regular basis, please contact Musical Fidelity's service department. The unit has also been tested to ensure that it does not radiate excessive levels of RFI that could affect other pieces of electronic or electrical equipment. -
Page 3: Installation Precautions
INSTALLATION INSTALLATION PRECAUTIONS Your new F25 is designed and built to provide trouble-free performance but it is necessary to observe a few precautions. Please ensure that you have complied with them before you connect any AC power to your amplifier. Retain this guide for future reference. -
Page 4: Front Panel
CONNECTIONS AND FACILITIES FRONT PANEL Power indicator LED Power on/off switch Phono input selector CD input selector Tuner input selector CDV input selector Tape input selector Aux input selector Remote reciever lens BACK PANEL Moving Magnet (MM) Phono input Phono/Chassis Earth Moving Coil (MC) Phono input CD input Tuner input... -
Page 5: For The Best Results
The F25 must be connected to a power amplifier, such as the Musical Fidelity F16 or F19. There are two pairs of sockets which can be used to output the signal from the preamp... -
Page 6: Operation
CONNECTIONS to a power amp. One of these pairs are normal RCA type sockets. These are the unbalanced outputs sometimes known as single ended outputs. The other pair of sockets are the XLR balanced outputs. When the latter is used with a power ampli- fier with balanced XLR inputs, benefits in terms of noise and dynamic range should be apparent. -
Page 7: Remote Control
CONNECTIONS REMOTE CONTROL The battery powered handheld remote control will perform the following func- tions: Mute Volume control +/- Input selection The mute control operates the output relay. When this control is used, the output is muted and the dual colour LED in the volume control knob turns red. When the mute button is pressed again, the output is unmuted and the LED turns back to green. -
Page 8: Troubleshooting
If none of these actions effect a cure, please contact your dealer, or an author- ised Musical Fidelity service agent. Remember, never open the case of the F25 yourself, as this will invalidate the guarantee. Instructions For Use. Page 8... -
Page 9: Specifications
SPECIFICATIONS F25 REMOTE CONTROL PREAMPLIFIER < 0.01% Frequency response 20Hz - 20kHz +/- 1dB Inputs 4 Line, Tape, Phono (MM/MC) Input sensitivity Line (for 775mV out) 200mV Input sensitivity Phono (for 775mV out) MM 3mV, MC 300mV S/N Ratio : Line >85dB : Phono MM >75dB...
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