Marantz ST-17-M Schematic

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ST-17 M
ST-17 Modified FM/MW/LW Stereo tuner
The ST-17 M Premium AM/FM/FM stereo RDS tuner continues the Marantz tradition of
providing the ultimate in precision tuner performance. The ST-17 M incorporates a number
of sophisticated engineering and design innovations that enable it to capture even weak FM
stations with crystal-clear reception and audiophile-quality sound, and is constructed using the
highest-quality components for unshakable reliability and stability.
Gold available
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When only the best will do
The ST-17 M tuner is the best choice for the real radio broadcasting lovers and matches perfectly with the Marantz components from the Premium series. It has two switchable aerial inputs to always provide the best reception. Even in case of weak radio signals, the tuner is able to achieve painstaking accuracy. With it's highly solid casing, disturbing influences do not effect the extremely sensitive tuner unit.
Radio Data System (RDS)
Information about your favourite radio station on the display of your tuner! The Radio Data System provides information about general things like the name of the radio station, programme type of the tuned program, displaying of the actual time and the interruption of a broadcast to allow daily news or traffic information.
Gyro touch
From our heritage, Gyro-Touch tuning, implemented by Marantz provides maximum ease of use! With today's digital tuning extra sensitivity is achieved to provide fast Gyro Touch tuning to your chosen radio station.
Band Width selector
For the real radio listener this feature is essential! On the very densely used FM frequency band, noise and whistler adjustment to your favourite radio station can be very difficult. In this case the Band Width Selector brings you audio relief. With this feature you can narrow the filtered bandwidth, resulting in accurate tuning to your favourite radio station. The wide bandwidth selection offers the best sound quality.
Manual station name input
Add the name of your choice to your favourite radio station. With Manual Name Input you decide what name comes up in the display of your tuner, especially when the radio station does not provide RDS information.
HDAM
Audio devices are usually equipped with Op-Amps (operational amplifiers) for which Integrated Circuit (IC) are commonly used. Unfortunately these IC's do not match the very high
requirements of Marantz. Marantz developed it's own discrete circuit boards to replace the IC's. These HDAM's consists of discrete surface mount components with short mirror image L/R signal
paths. These devices are doing exactly the same thing as the Op-Amps, but outperform the regular IC Op-amps dramatically in terms of the Slew Rate, resulting in a much more dynamic, accurate and detailed sound.
D.Bus
To optimise equipment in terms of ease of use, Marantz has designed the D.Bus system. Individual devices inform each other in order to automatically tune to the customers demands. Also received remote control commands are communicated via this bus. This enables equipment without IR-receiver, like a cassette deck or tuner, to be controlled via a Marantz Remote control.
Technological glossary:
■ Additional information on radio broadcast such as Traffic
Information, Text information and Programme type
■ Instant recall of up to 60 favourite stations
■ Offering easy broadcast selection with the precision of the
past
■ High slew rate and superb dynamics characterise the unique
Marantz HDAM amplifier stages
■ Best possible whistle-free reception by narrowing the tuned
band width in densely used frequency bands
■ Allows to add the name of favourite radio stations if not
broadcasted or to customize given names
Benefits:Features:
■ Radio Data System (RDS)
■ 60 Programmable presets
■ Gyro touch
■ HDAM
■ Band Width selector
■ Manual station name input
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■ User manual
■ Power cable
■ 1 Pair Audio cinch cable
■ FM Antenna
■ AM Loop Antenna
Bypacked Accessories
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ST-17 Modified
Design and specifications are subject to change by Marantz without notice
www.marantz.com
Preliminary Specifications
FEATURES
High Alternate Channel Selectivity A/B
HDAM •
Costomised Components •
System Blocks Shielding (front end) •
Presets (random) 60
Auto Tuning •
RDS PTY, PS, RT, CT
Station Naming •
Sleep/Timer •/-
Birdy Whistle Elimination Circuitry •
IN/OUTPUTS
Analogue Out 1
D-Bus In/Out 1
FM Antenna A/B
AM Antenna 1
SPECIFICATIONS
TUNER SECTION FM
Frequency Range 87.5 - 108 MHz
Signal to Noise Ratio (Mono/Stereo) 80/73 dB
Total Harmonic Distortion (Mono/Stereo)
0.05/0.08 %
Channel Selectivity 70 dB
Usable Sensitivity IHF 1.8 µV/16.4 dBf
Stereo Separation 1 kHz, 55 dB (Stereo)
TUNER SECTION AM
Frequency Range: MW / LW 152-280 / 531 -
1602 kHz
Signal to Noise Ratio: MW / LW 54 dB / 52 dB
Distortion 0,002
Channel Selectivity ± 20 kHz 50 dB
GENERAL
Color Gold / Platinum
Metal Front Panel •
Remote Control -
Power Consumption 8.5 W
Detachable Power Cable -
Maximum Dimensions (W x D x H)
458 x 86 x 315 mm
Weight 6.8 kg
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