Ramsey Electronics manual Initial Testing the MX10

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INITIAL TESTING THE MX10

For this portion of the kit building experience you will need the following items:

Line level source such as a tape deck, signal generator (SG-550) or CD player.

Record level source such as a record player or signal generator. (Ramsey SG-550)

A destination such as an audio amp, transmitter or earphones

A microphone if you are planning on using one.

2 or more 3/8” stereo jacks to a pair of RCA jacks like the ones used with portable CD players.

[1]Connect the line level source to the LINE1 input jack.

[2]Connect the record player level to the PHONO input.

[3]Connect the destination up to the OUTPUT jacks or plug in your earphones.

[4]Turn down all the controls to their minimum settings.

[5]Plug in a 12VAC power supply into J8.

[6]Verify that the destination is receiving your LINE level sound. Vary the levels of the MAIN pot and the LINE1 and PAN pot to do this. Also note your bargraph display and check for any LEDs which do not light.

[7]Plug the line level source into the LINE2 input jacks.

[8]Vary MAIN and LINE2 and PAN pots to verify they work also.

[9]Plug your microphone into the microphone jacks. Switch on the microphones and make sure the LEDs light. Vary MAIN and L.MIC and R. MIC to make sure they are operational as well.

[10]Vary the phono control and MAIN to verify their operation.

[11]With the MON/CUE switch in the CUE position, go through and check all CUE switches to make sure each input can be directed to the earphones.

MX10 Page 23

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Contents Ramsey Electronics Model No MX10 Ramsey Transmitter Kits Ramsey ELECTRONICS, INC MX10 Stereo Three Input MixerIntroduction to the MX10 MX10 Circuit Description Amic = 1 + RGain IM E Kit building tips Ramsey LEARN-AS-YOU-BUILD Assembly StrategyPage Semiconductors Ramsey MX10 Parts ListAssembly of the MX10 Page Page Page Page MX10 MX10 Page Page Same height As switch tops Page MX10 Initial Testing the MX10 Troubleshooting Guide Modifying the Phono Input Parts Side Values Parts Side Layout Control Side Layout FM-25 Using the MX10MX10 Ramsey Kit Warranty Additional Suggested Items Estimated Assembly TimeProfessional Stereo Mixer KIT Required Tools