TDM-Audio 24CX-2 Скачать руководство пользователя

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24CX-2
24CX-3
24CX-4

ELECTRONIC CROSSOVER

OWNER’S MANUAL

TDM AUDIO INC.
7270 BELLAIRE AVE.
NORTH HOLLYWOOD, CA 91605
(818) 765-6200
TDMAUDIO.COM

TDM

A U D I O

Содержание 24CX-2

Страница 1: ...24CX 2 24CX 3 24CX 4 ELECTRONIC CROSSOVER OWNER S MANUAL TDM AUDIO INC 7270 BELLAIRE AVE NORTH HOLLYWOOD CA 91605 818 765 6200 TDMAUDIO COM TDM A U D I O...

Страница 2: ...are turned down Never change the frequency range switch from the x10 to x1 position or vice versa with the crossover output levels passing signal Transients can result and speaker damage is possible...

Страница 3: ...RATION 24CX 2 OR 24CX 4 12 THREE WAY OPERATION 24CX 2 OR 24CX 4 12 THREE WAY OPERATION 24CX 3 13 FOUR WAY OR FIVE WAY OPERATION 24CX 4 13 OPERATING THE CROSSOVER 14 FRONT PANEL CONTROLS 14 ADJUSTING T...

Страница 4: ...roduce only a portion of the audible frequency spectrum A speaker system is made up of a collection of speaker components each of which can reproduce some part of the spectrum The crossover s role is...

Страница 5: ...his makes them impractical for high power systems Fidelity The nature of the way passive crossovers work makes it difficult to design them with high fidelity in mind The kinds of components used in pa...

Страница 6: ...f would be reproduced equally by both the low and the mid speakers Rolloff Rate A crossover s rolloff rate determines how sharp the transition between one set of speakers and another will be Higher ro...

Страница 7: ...the output If you answered No you were correct In fact a signal at 999 Hz would be virtually as loud at the output of this filter as a signal at 1000 Hz Signals that are above or near the cutoff freq...

Страница 8: ...over frequency Because the cutoff frequency of a filter is the point at which the output signal is 6 dB below the input signal which means that it has half of the amplitude of the input signal the cro...

Страница 9: ...cies below a certain cutoff point This leaves a band of frequencies in the middle These middle bands have two different cutoff points Figure 6 shows the responses of the three bands of a three way cro...

Страница 10: ...Using the Security Cover The security cover is used to prevent unwanted tweaking of the crossover settings If your crossover will be installed permanently for one particular purpose and will be set up...

Страница 11: ...if you are connecting a 24CX 2 for stereo 2 way use you need two cables to feed your stereo signal source into the two channel inputs and two cables for each channel for a total of four to feed the lo...

Страница 12: ...connections are made and you are ready to operate the unit The normal way to connect a crossover is between your sound signal source and your amplifiers For each channel the output of the signal sour...

Страница 13: ...re using the second half of the 24CX 4 to the input of your mids amplifier Connect the low output of channel two or four to the input of your lows amplifier Three Way Operation 24CX 3 The 24CX 3 provi...

Страница 14: ...nel of the 24CX 2 or 24CX 4 Input Level This lets you adjust the overall level of the channel By turning this level up or down you can adjust the volume of all speakers for a single channel simultaneo...

Страница 15: ...Output Mute This button mutes the low output of the channel Mid Output Level This lets you set the mid frequency output of the channel Mid Output Phase Pressing this button reverses the phase of the...

Страница 16: ...gh frequency speaker cable to the wrong speaker input If you have more than one high frequency speaker component on the same channel check them all If something is not hooked up right stop and fix it...

Страница 17: ...est to have a little more than you need because you can always turn it down at the source if it is too loud If you cannot get enough volume with the output level all the way up raise the input level u...

Страница 18: ...from the output This helps remove stage rumble and wind noise and also helps prevent speaker damage Another popular option is the parametric equalizer card Each card has two fully parametric equalize...

Страница 19: ...miting As you turn the trimmers clockwise you lower the limiting threshold thus reducing the maximum output signal for a given crossover output Set up and adjust the crossover for normal operation the...

Страница 20: ...s to be working correctly try plugging it into some sound reinforcement equipment that is known to work such as a monitor system If you do this and there is still no signal the problem is that the sig...

Страница 21: ...noise in your system try to determine its origin systematically Remove each piece of processing gear from the signal chain one at a time until you hear the noise go away If none of the signal process...

Страница 22: ...pecially if this piece of equipment is installed publicly Another common cause of ground loops is direct input or DI boxes These let you plug an instrument such as a guitar or bass directly into a mic...

Страница 23: ...itch Led indication 24CX 3 Frequency Range Low Mid 80 Hz to 920 Hz Mid High 800 Hz to 9 2 kHz Hum and Noise 20 Hz 20 kHz Av 0 dB fc 230 2 3k Hz Low Frequency Section Output 0 dB 98 dBu Mid Frequency S...