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BR-1 Kit Components
Do you recommendations for the optimal spacing and location of the drivers in the cabinet?
The driver center to center spacing on this kit is intended to be 5.75" with a 1" tweeter offset. The BSC in the crossover is designed for a baffle that is 8-5/8" wide.
Date published: 2014-11-26
I just finally assembled my BR1 kit. 1 sub/tweet isn't working. In troubleshooting what went wrong I swapped the electronics and that seems to be where the issue is. But I have no idea which component. Do you warranty this, or can I purchase just 1 set?
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Date published: 2014-09-02
Hi there. I want to build these speakers for a friends birthday present. The amp he is using is this Marantz PM4200 http://www.hifiengine.com/manual_library/marantz/pm4200.shtml Do you think this is a good combination? Thank you, Richard
This speaker is an 8 ohm load and the amplifier mentioned is 30 watts into 8 ohms. That should be a very good match.
Date published: 2014-09-25
what is a good speaker kit for a Sherwood rx-4109?
I have the BR-1 speaker kit, and a Sherwood rx-4109 receiver. The receiver is too much for the BR-1 kit. What other speaker kit is availabe that would be compatiable with this reciver? Thanks
100W RMS into 4 Ohms. Try the Dayton Audio RS722.Specifications:Impedance: 4 ohmsFrequency response: 41-20,000 HzSPL: 87.5 dB 2.83V/1mPower handling: 100 watts RMS50W RMS into 8 Ohms. Try the Dayton Audio RS621.Specifications:Impedance: 8 ohmsFrequency response: 60 - 20,000 HzSPL: 88 dB 2.83V/1mPower handling: 65 watts RMSYou can build your own cabinets or buy a kit with a pair of the many cabinets PE sells.NOTE: Be aware that some of the kits are for a single speaker others for a set.
Date published: 2013-03-19
I have the BR-1 speaker kit (model BR-1c), and the crossovers run very hot. The resistors actually turn cherry red. Why???
I have a Sherwood 4109 receiver, and if you turn the volume up to loud, the receiver shuts down. Let everything cool down, and then it will work, until they get hot again, Why??? Is the receiver too much for these speakers ??? I have replaced the crossovers twice, and still the same thing. Why??? Thanks
This is simply due to being overpowered. You have plenty of power for the speakers available but they are only rated for 50 watts RMS each. This is just the thermal rating meaning they can reach mechanical limites much faster depending on bass and treble levels etc. You are reaching the thermal rating of the resistors and likely overdriving the speakers themselves at the same time.
Date published: 2013-03-19
On the crossover schematic is there a junction between R1, C2, L2, and the + Speaker terminal? It looks like R1 is the only connection to the driver.
Yes there is a junction between R1, L2, C2, and Positive Terminal. Circuit schematics can be confusing. It helps if you can identify typical networks within the diagram and block them up to see what is going on.R1 and C3 are your Zobel Network, L2 and C2 are your second order LP Filter.I have reconfigured the schematic to one that is more common and highlighted the networks within the schematic (Attached below).Also there is a great video where Mike V from PE puts the crossover together(Attached below).I hope this helps and best of luck.
Date published: 2013-11-25