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User's Guide
Electronic Crossover Network
XM66 Variable Frequency
XM9 24 dB/octave
XM16 48 dB/octave
XM44 24/48 dB/octave
XM26 24 dB/octave Tube
XM46 24 dB/octave Passive Line Level
XM126 24 dB/octave Tube
Marchand Electronics Inc.
Rochester, NY
(585) 423 0462
www.marchandelec.com
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Summary of Contents for Marchand Electronics XM66
- Page 1 User’s Guide Electronic Crossover Network XM66 Variable Frequency XM9 24 dB/octave XM16 48 dB/octave XM44 24/48 dB/octave XM26 24 dB/octave Tube XM46 24 dB/octave Passive Line Level XM126 24 dB/octave Tube Marchand Electronics Inc. Rochester, NY (585) 423 0462 www.marchandelec.com...
- Page 2 1/4 octave. Figure 4 shows the frequency response of the 24 dB/octave crossover networks (XM6, XM9 and XM26). The figure is drawn for a crossover frequency of 100 Hz. For other crossover frequencies © 2017 Marchand Electronics Inc. www.marchandelec.com.
- Page 3 75 to 100 Hz. The subwoofer should then also have a range extending half to one octave above the crossover frequency. In this case, if 100 Hz was chosen, the subwoofer should have a range of at least 200 Hz. © 2017 Marchand Electronics Inc. www.marchandelec.com.
- Page 4 XM9 Each circuit board has one frequency module. The same module sets both the high pass and the low pass crossover point. It is inserted in a socket. The frequency module has four resistors on it. Replace each module with the new module. © 2017 Marchand Electronics Inc. www.marchandelec.com.
- Page 5 1000 Figure 5 A third way is to use a pink noise generator and a spectrum analyzer with a good microphone. Adjust the level controls for a flat response across the crossover point. © 2017 Marchand Electronics Inc. www.marchandelec.com.
- Page 6 Frequency response of +5 dB the phase for tw o values of the damping -4 dB conrol. The phase for high pass and low pass are the same 1000 Figure 7 © 2017 Marchand Electronics Inc. www.marchandelec.com.
- Page 7 The phase for high pass and low pass are the same 1000 Figure 8 The frequency response of the amplitude for the XM16 eighth order crossover netw ork. 1000 Figure 9 © 2017 Marchand Electronics Inc. www.marchandelec.com.
- Page 8 Left High Out Left Left Low Out Woofer Right High Out Right Low Out Right Tweeter Passive Crossover Right Right Woofer Hybrid system with passive crossover on the highs and active crossover on the lows © 2017 Marchand Electronics Inc. www.marchandelec.com.
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Page 9: Voltage Selector Switch
This is typical in USA, Canada, Central America and Japan Use the 220V setting where the power line voltage is 220V to 240VAC. This is typical in Europe, Africa and most of Asia. From (c)https://en.wikipedia.org/wiki/File:WorldMap_Voltage%26Frequency.png © 2017 Marchand Electronics Inc. www.marchandelec.com.
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