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Содержание SP 1 Series

Страница 1: ...SP 1 S E R I E S INSTRUCTIONS FOR BRYSTON SP1 PRECISION PREAMPLIFIER PROCESSOR ...

Страница 2: ...For more information call us today or visit our web site 1 800 632 8216 www bryston ca ...

Страница 3: ...e the SP1 UNPACKING AND ELECTRICAL SAFETY Your SP1 was carefully packed at the factory to protect against any damage in shipping and handling Carefully examine the packing and the unit for any signs of external damage or impact and report those to your dealer or Bryston prior to using the unit ACCESSORIES In the carton you should have found the following accessories in addition to the SP1 The Brys...

Страница 4: ...SP1 FUNCTIONAL LAYOUT Below is a block diagram of the Bryston SP1 It shows the signal flow and basic operational structure of the Surround Processor and Preamplifier 2 Figure 1 Block Diagram ...

Страница 5: ...switch on the front panel are active Activating the momentary POWER toggle switch either up or down on the front panel or the POWER button on the remote immediately takes the unit out of its STANDBY mode into its normal operating mode The presence of AC power to the SP1 is indicated by the illumination of the front panel LCD display the illumination of the LED corresponding to the source you last ...

Страница 6: ...IR Infrared Activity Indicator If this LED is continuously bright it is an indication that the SP1 is in Standby mode When the SP1 is powered up the LED is OFF and flashes when a valid IR code is detected 3 IR Infrared Receiver Sensor for remote control 4 Dynamic Range Control This three position switch which will operate only when the SP1 is in a Dolby Digital mode permits the adjustment of the d...

Страница 7: ...uch as some older soundtracks Another feature provided by this option is the necessary peak limiting required avoiding signal overload when downmixing functions are selected The second variable labeled Compr by Dolby provides additional peak limiting to allow overall average program level to be increased These two algorithms can provide sufficient overall gain reduction to allow even high dynamic ...

Страница 8: ...ly set quite low until you or your dealer are able to determine the maximum safe setting to avoid damage to your loudspeaker systems or power amplifiers 5 LCD Display window contains the two line black on green 16 character per line alphanumeric display which indicates the status and functional mode of the SP1 This screen is also used during the menu setup function for calibration of the SP1 to yo...

Страница 9: ...ns Once the desired submenu or function is highlighted pressing SELECT will make it the current menu or function To exit a menu or back up a step use the arrow buttons to highlight the X displayed in the lower right hand corner of the LCD window and press SELECT 7 Source Selection Buttons and Indicators Pressing any one of these buttons will instantly switch the SP1 s analog and digital inputs to ...

Страница 10: ...presence of a digital signal If one is detected the SP1 will automatically switch over to the pre selected digital operation mode for that source To defeat this auto digital detect mode you must press the button again If you do the LED will go OFF When this mode of operation is selected the SP1 will look at ONLY its analog inputs If a digital signal does appear the SP1 will NOT recognize it and wi...

Страница 11: ...tal program some channel combining will be necessary to present the program on the available number of channels loudspeakers As a part of any program s production its producers can set and adjust the type and ratios allowed for downmixing somewhat to ensure optimum results without compromising the full Multichannel balance This is accomplished by including specific data within the Dolby Digital bi...

Страница 12: ... circuitry is bypassed allowing a completely analog circuit path identical to the reference standard Bryston BP 25 pre amplifier Only standard format Stereo operation is permitted in this mode all other functions are disabled 15 Analog Balance This control governs the balance of the analog bypass circuit It will only function if the SP1 is in bypass mode 16 Master Volume This is the Large Knob loc...

Страница 13: ... the input sensitivity is equivalent to the BP 25 preamplifier 4 Digital Audio Coaxial Inputs The CD Laser Disc DVD and TV Satellite front panel selectable sources are also supplied with a standard SPDIF gold RCA jack digital audio input These four inputs will accept any standard SPDIF source including DAT CDR and similar components 5 TOSLINK Digital Audio Optical Inputs The SP1 offers two assigna...

Страница 14: ...opriate output is automatically muted to prevent feedback 7 Remote 12V Trigger Outputs Two trigger outputs are provided The output labeled ON OFF provides a 12V voltage level whenever the unit is fully powered up When the unit goes into standby the level is 0 Volts The output labeled AUX is programmable from the LCD menu as described below This means that the terminal supplies the 12 Volt signal o...

Страница 15: ...ctor This is used to connect externally mounted IR LED receivers or other extenders that provide modulated IR receiver data Data is retransmitted by by an IR LED mounted near the front panel IR receiver 9 RS 232 connector This connection provides for control of an external video switcher or remote control of the SP1 functions via a computer interface or AMX Crestron type controller Please contact ...

Страница 16: ... button will fully mute the output of the SP1 4 Volume Trim Buttons These buttons increase and decrease the master volume When the SP1 is in its Test Noise mode these buttons are used to adjust the level trim for each individual speaker 5 Light Test Button When pressed momentarily this button will illuminate the backlight on the Remote Control If pressed for more than 3 seconds the SP1 will enter ...

Страница 17: ... that all levels and delays are properly set To accomplish this process the following tools are needed Tape measure or other means of determining the distance of each speaker from the chosen listening positions Sound Level Meter This device insures that all loudspeaker levels are precisely matched and set accurately This step cannot accurately be done by ear a test instrument should be used to ens...

Страница 18: ...nds SMALL Subwoofer YES 4 Once you have completed selecting the settings that match your particular speaker systems please move the cursor to the X and press SELECT to exit this menu NOTE LARGE VS SMALL SPEAKER SETTINGS It is very important that you understand what is meant by the LARGE and SMALL settings in this menu They do not refer to SIZE but to the ability of the particular loudspeaker syste...

Страница 19: ...1 front panel Move the cursor to DLY Hit Select You are now in the Delay Menu The SP1 automatically calculates the required delay time per speaker using the data entered as distance from the listening position Delays are implemented using DSP RAM and have a maximum value IMPORTANT It is recommended that the closest speaker is entered first The SP1 will calculate the maximum allowable distance from...

Страница 20: ...arrows on the remote or the arrow keys on the SP1 adjust the level of the noise so that it reaches a predetermined level on the Sound Level Meter This is the level to which you will set ALL speakers using the test signal and meter The recommended calibration level is no less than 80dB SPL THX specifications call for a level of 85dB SPL at the listening position 4 Hit the TEST button again to seque...

Страница 21: ...ak level Manager You will see the following screen 3 Hit SELECT and you will see the adjustment screen picture below appear and you will hear a low level Pink Noise signal coming from your subwoofer and or large speakers Now you can adjust the value of the subwoofer limiter 40 to 0 dB Slowly increase the level by pressing the button display counting up from 40 until you hear overload distortion bo...

Страница 22: ...her world wide patents issued and pending DTS and DTS Digital Surround are trademarks of Digital Theater Systems Inc 1996 Digital Theater Systems Inc All rights reserved ALL TRADEMARKS REGISTERED MARKS AND LOGOTYPES SYMBOLS ARE THE PROPERTY OF THEIR RESPECTIVE COMPANIES AND ARE USED WITH THEIR PERMISSION APPENDIX A SP1 MUSIC MODES Pressing the MUSIC mode button will illuminate the LED and let you ...

Страница 23: ...nnel while the same signal is also sent through a custom echo algorithm to the surround channels Club This mode closely simulates a nightclub or a small room type of space using a fast decay echo algorithm It nicely recreates a small room full of people and is very useful with pop and rock music The L R sum signal is sent to the centre and also to the custom echo algorithm where it is also lowpass...

Страница 24: ...ced in small room environments as opposed to the large room environments normally used for theatrical motion picture mixing post production The SP1 s THX mode adds additional DSP to the either the Dolby or DTS processing already in place to help create a more precise match between the sound produced within a commercial motion picture theater and the sound produced in your residential theater THX s...

Страница 25: ...listener This is the case with the speakers in a commercial cinema When the speakers are much closer such as in a home cinema the soundtrack will be excessively bright The THX processing uses a special Re Equalization Curve designed for home environments to restore the correct tonal balance of a movie soundtrack 3 Timbre Matching In a commercial Theatre the multiple loudspeakers used are in front ...

Страница 26: ...will only affect the type of signals it is designed to enhance 5 Bass Peak Level Manager To diminish the chance that your subwoofer will overload from the large amount of bass often present in the LFE channel the system uses a Peak Management circuit which works with the data you supplied during speaker setup to help match the subwoofer output to your specific subwoofer s capabilities Please note ...

Страница 27: ...caused by damage not resulting from a defect or malfunction or abuse while in the possession of the customer Tampering by persons other than factory authorized service personnel or failure to comply with Bryston operating instructions voids the warranty This warranty gives you specific legal rights and you may also have other rights which may vary from province to province and country to country B...

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