Instruction d'utilisation Bryston 10B-LR

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10B
CROSSOVER
OWNER’S MANUAL
for Models
10B-STD, 10B-SUB & 10B-LR

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INTRODUCTION: The 10B crossover is available in three stock versions; 10B-SUB incorporating frequencies more suitable to sub-woofer applications (40Hz to 500hz), 10B-STD which is more applicable to speakers requiring frequency control in the mid-band and tweeter areas (70Hz to 4500Hz) and the 10B-LR, which uses plug in resistor programming cards to set the crossover frequency. Both the 10B-SUB and 10B-STD crossovers include a mode called Mono Low Pass (see below) which replaces the Two Wa

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POWeR AMPLIFIeRS: When power amplifiers of different power capabilities are used, the woofers will likely be driven by the most powerful amplifier and the tweeters by the least powerful amplifier since the woofers can generally be expected to be less efficient. When power amplifiers of equivalent power capabilities are used in a bi-amped system, and when the power amps employ totally separate power supplies for each channel (as all Bryston power amplifiers do) it is desirable to place each

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24g stranded, tinned copper conductors and locking XLR connectors with metal shells and gold plat- ed contacts. Unbalanced cables use single conductor shielded co-axial cable with gold plated male phono (RCA) plugs in metal shells.

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y e e ve e CONNCTING 10B CROSSO RS IN A STRO 4-WA CONFIGURATION

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RESISTOR/CAPACITOR SUBSTITUTION TABLES f OR PROGRAMMING CUSTOM CROSSOVER f REQUENCIES IN LINKWITZ-RILEY (10B-LR) MODELS The resistors used to program specific crossover frequencies in the Linkwitz-riley filters are often installed directly on the 10B-LR main boards, but they can also be installed on small programming boards as shown in the illustration “10B-LR PROGRAMMABLE LINK- WITZ-RILEY STEREO CROSSOVER”. Since the resistor values are dependent on the capacitor values used on the 10B-LR main

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39 Hz 143K00 604K00 1M2100 38 Hz 147K00 619K00 1M2400 733 Hz 6K980 32K400 64K900 716 Hz 7K150 33K200 66K500 38 Hz 150K00 634K00 1M2700 37 Hz 154K00 649K00 1M3000 699 Hz 7K320 34K000 68K100 682 Hz 7K500 34K800 69K800 36 Hz 158K00 665K00 1M3300 35 Hz 162K00 681K00 1M3700 666 Hz 7K680 35K700 71K500 650 Hz 7K870 36K500 73K200 34 Hz 165K00 698K00 1M4000

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IMPORTANT SAFETY INSTRUCTIONS The lightning flash with arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of un-insulated “dangerous voltage “ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompan