Instruction/ maintenance manual of the product 875Z Bryston
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875Z OWNER’S MANU AL.
The lightning flash with arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage " within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
875Z - EIGHT CHANNEL POWER AMPLIFIER T able of Content s Import ant Safety Instructions Inside front cover General Introduction Page 1 Introduction Description Shipping Box & Packing Materials Ins.
875Z - EIGHT CHANNEL POWER AMPLIFIER 1 INTR ODUCTION Thank you for choosing the 875 Eight Channel Power Amplifier . Bryston welcomes any suggestions you may have, or comments regarding the operation of your amplifier . We consider you, our customer , to be Bryston’s most import ant resource, and your opinion is very much appreciated.
875Z - EIGHT CHANNEL POWER AMPLIFIER 2 2 FRONT P ANEL of 875Z-Blk FR ONT P ANEL POWER switch The front panel label '875Z POWER’ is a switch used to apply or remove A/C line power to the 875 soft start circuitry . Push the switch and the 875 will initiate the start up sequence.
875Z - EIGHT CHANNEL POWER AMPLIFIER 3 875Z REAR P ANEL CONNECTORS & SWIT CHES The following is a description of the rear panel switches for the 875 Zone Amplifier and their function. There are 8 x 75 watt amplifiers in the 875B Zone amp. The channels are split into 4 zones each with 2 channels.
875Z - EIGHT CHANNEL POWER AMPLIFIER 4 8) SIGNAL SENSE THRESHOLD: When the MUTE OPTIONS SWITCH of any of the four zones is set to the SIG position, that zone is muted unless the input signal exceeds the threshold level set by the SIGNAL SENSE THRESHOLD control.
875Z - EIGHT CHANNEL POWER AMPLIFIER 5.
875Z - EIGHT CHANNEL POWER AMPLIFIER 6.
875Z - EIGHT CHANNEL POWER AMPLIFIER 7 A/C PO WER CONTR OL External control volt age power up ( Local / external switch) T o power-up the 875 using an external control voltage, supply a 4v to 12v AC or DC control voltage to the ‘IN’ terminals of the “Power-Up” connector .
875Z - EIGHT CHANNEL POWER AMPLIFIER 8 T echnical Specifications Power Output 75 watts per channel into 8 ohms 100 watts per channel into 4 ohms Gain Select and Sensitivity 29dB - .850Vin = 75W @ 8 Ohms - single ended input 23dB - 1.7Vin = 75W @ 8 Ohms - balanced input Input Impedance 20 Kohms single ended 40 Kohms balanced Distortion < 0.
BRYSTON 20 -YEAR WARRANTY Bryston product s are warranted to be free from manufacturing defect s for a minimum of twenty years from the original date of manufacture. This includes p arts, labour and return shipping to the first owner and all subsequent owners.
An important point after buying a device Bryston 875Z (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bryston 875Z yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bryston 875Z - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryston 875Z you will learn all the available features of the product, as well as information on its operation. The information that you get Bryston 875Z will certainly help you make a decision on the purchase.
If you already are a holder of Bryston 875Z, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bryston 875Z.
However, one of the most important roles played by the user manual is to help in solving problems with Bryston 875Z. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryston 875Z along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
