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4.  Solder all component connections on the p.c. board 

using silver or electronics grade (60/40) solder. At this 
time, you should also solder the riveted .205 terminal 
connections. A properly soldered connection appears 
shiny and smooth. We recommend using a soldering 
iron with a wattage rating between 20-30watts. Using 
wire cutters, trim off all excess component leads.

5.  Cut the supplied wire into 6 pieces approximately 12" 

long. Strip the insulation on all wires back 

 

about 3/8"-1/2".

6.  Using a crimp tool, crimp the .205 terminals on the wire leads. To ensure a tight connection, gently squeeze 

the push on terminals with a small pair of pliers. Note: If you prefer, you can solder the wires directly to the 
p.c. board and drivers instead of using the connectors.

3.  To help reduce the risk of components rattling on 

the p.c. board, (especially the inductors) use RTV 
sealant or hot glue to mount the components to the 
p.c. board. We recommend using hot glue due to its 
faster setup time. If you use RTV sealant, you may 
need to let it setup over night, before proceeding 
with the assembly.

Summary of Contents for BR-1

Page 1: ...2 WAYREFERENCE MONITOR SYSTEM Model BR 1 ConstructionWorkbook...

Page 2: ...er design Although cost was a factor the design must offer excellent performance In short a Budget Reference system Hence the name Dayton Audio BR 1 Many of you have a strong interest in building inex...

Page 3: ...on Audio 1 1 8 silk dome tweeter is hands down one of the finest tweeters available in it s price range The response exhibits some peakiness and the driver seems to have a wandering Fs but the sound i...

Page 4: ...and the Le was found to be 1 87 millihenries Using an accurate ohm meter the Re was 6 5 ohms Using the above formula R 1 25 x 6 5 R 8 125 ohms so C 00187 66 C 0000283 farads or 28 3 uF Although these...

Page 5: ...ayton Audio film foil capacitor wired in parallel The reason NP electrolytics are very cost effective but exhibit high ESR Equivalent Series Resis tance and also have some inductive components Using a...

Page 6: ...to achieve a flat overall response The BR 1 measures on axis within 2 0dB from 100 Hz 12 KHz Flat frequency response is desirable so that all frequencies are reproduced with the same loudness over the...

Page 7: ...be relatively benign however It s worth discussing the parallel notch filter because it is a handy circuit that is used to control frequency response peaks A parallel notch filter consists of a capac...

Page 8: ...relationship exists when the tweeter is connected with normal polarity Reverse Tweeter Polarity Page 8 So the values for our proposed parallel notch filter is a 9 4uF capacitor 26mH inductor and a 14...

Page 9: ...8 wide 14 1 4 high with a depth of 11 giving it a small footprint suitable for stand mounting It is recommended to place the tweeter at or slightly below ear height of a seated listener The center to...

Page 10: ...is critical to the proper operation of this speaker system In a worst case situation an improperly wired network can damage your receiver or amplifier Please double and triple check all values and wi...

Page 11: ...the insulation on all wires back about 3 8 1 2 6 Using a crimp tool crimp the 205 terminals on the wire leads To ensure a tight connection gently squeeze the push on terminals with a small pair of pli...

Page 12: ...point it is a good idea to label each wire to ensure proper hook up Masking tape and a marker will work fine 3 Cabinet Assembly Instructions A Installing the Crossovers To mount the crossovers we rec...

Page 13: ...stall Acoustic Damping Foam We ve included two 2 sheets of acoustic foam one sheet for each speaker Acoustic damping foam absorbs internal standing waves inside the cabinet and prevents reflections to...

Page 14: ...2 9 5 1 2 2 Install the foam on the back of the cabinet first and trim around the port tube Make sure it does not obstruct the airflow to the port tube as this will alter the tuning of the box 3 Next...

Page 15: ...allow the faceplate to mount flush with the baffle 1 Attach each wire to the appropriate driver terminals while observing proper polarity positive to positive negative to negative The tweeter has a r...

Page 16: ...ce the speakers so they are at least 3 4 ft from side walls if possible Dayton Audio Last Revised 2 10 2015 daytonaudio com tel 937 743 8248 info daytonaudio com 705 Pleasant Valley Dr Springboro OH 4...

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