BeachTek DXA-8 User's Manual
Contents
1. Specifications Gain dB Frequency response limiter on Output noise level Input level before clipping Maximum output level Phantom power Battery type duration Current draw Case Powder coated aluminum Dimensions 5 25 L x 3 5 W x 1 25 H Weight 16 oz Full One Year Warranty The BeachTek DXA 8 is a two channel battery powered microphone This warranty covers any defects or malfunction in your new BeachTek adapter for one full year BeachTek will replace any defective or malfunctioning adapter within the warranty period with a new unit at no charge The warranty does not cover damage resulting from accident alteration misuse or abuse The device must be sent to our service center at your expense Should you require service please contact us first before returning the unit to us Return instructions can be found on our website at www beachtek com questions html 2120 Queen Street East Suite 202 Toronto Ontario M4E 1E2 tel 416 690 9457 fax 416 690 0866 email a web Adjustable from 10 dB to 15 20 Hz to 20 KHz 3 dB DXA 8 Operating Instructions for the DXA 8 Ultimate Adapter less than 80 dBu 1 5 dBu min gain with limiter on 27 dBu max gain with limiter on 30 dBu limiter off 36 dBu limiter on Dual regulated 48 volt power Current to 14 mA direct short 1 9 volt alkaline battery 10 hours typical no phantom LED battery indicator 35 mA typical no phan2. adjustment for virtually any microphone type and ensures the maximum headroom and the best signal to noise ratio Aswitch lets you select between stereo or mono operation For stereo operation the adapter sends the left input signal to the left channel and the right input signal to the right channel The two channels are never mixed allowing you to access both channels during editing for maximum versatility For mono operation both channels are mixed together ideal when using only one audio source to give you two channel recording A ground lift switch labeled G1 G2 provides either an isolated or connected ground between the adapter chassis and output cable ground Operation Mounting and Connection Mount the DXA 8 securely to the tripod bushing on the under side of your camcorder Connect the cable from the DXA 8 to the camcorder s microphone jack The camcorder s onboard microphone should now be disabled You are now ready to attach external microphones to the adapter Power Install a fresh 9 volt battery in the adapter Turn on the PWR switch to activate the unit The LED above the switch should light to indicate good battery power Turn off power when not in use to conserve battery power Initial Setup Set the camcorder to manual audio to deactivate the AGC Turn the gain control on the camcorder to a very low setting about 20 of maximum If you later determine that you require more volume you can increase the camco
3. rder gain Many camcorders will either have a peak indicator to warn of high audio levels or a VU meter or both If the peak indicator ever comes on or the VU meter reaches 0 VU then you will need to decrease the camcorder gain setting to avoid distortion Phantom Power If you are using a condenser microphone that requires phantom power to operate turn on the switch labeled 48V for the channel that it is connected to Dynamic microphones wireless receivers and connections to mixing boards should not have phantom power activated so be sure that the switch is OFF when using these devices MONO STEREO Switch Set the switch to MONO if using a single microphone Set it to STEREO when using two microphones Gain Control Each channel of the DXA 8 has a gain control to provide the optimum amount of amplification for your particular microphone Note that even with the gain setting fully counter clockwise for minimum gain you will still get some audio signal Set the gain control for the desired volume level on the camcorder Sensitive condenser type microphones like the popular Sennheiser ME66 will require a minimum amount of gain while most dynamic type microphones require maximum amount of gain Use the level indicator and your headphones on the camera as a guide See the limiter description below for information on proper gain setting when the limiter is active Limiter Each channel has an independent limiter to prevent di
4. stortion caused by excessively hot inputs We recommend that this switch be activated at all times to ensure clean distortion free audio When activated the corresponding LMT indicator will flash in proportion to the amount of limiting Set the gain control so that the indicators are flashing regularly If they are on continuously decrease the gain Ground Lift Switch Set the G1 G2 ground switch on the DXA 8 to the position that gives you the least amount of noise This switch allows the input and output grounds to be isolated to prevent ground noise on some Sony camcorders Record You are now set up and ready to record your audio By keeping the limiters activated you can ensure distortion free audio without having to constantly fuss with the audio levels Happy recording 2006 BeachTek Inc
5. tom adapter with built in preamplifiers limiters and dual phantom power This adapter is designed to easily attach balanced or unbalanced type microphones to a consumer or prosumer camcorder The DXA 8 gives you flexibility and control over the audio signal to ensure the best possible audio recording The DXA 8 is very easy to set up and use and requires a minimal amount of fuss Its rugged construction ensures years of use and its compact size fits neatly under any camcorder Along with its high quality audio the DXA 8 is truly the Ultimate Adapter Before using this high quality device please read this operating manual thoroughly to obtain the highest performance Please contact us if you have any problems or questions Thre oxa adapter allows you to attach two balanced XLR type microphones to your camcorder In addition an AUX mini jack gives you the option of using an unbalanced input for the right channel The input signals are transformer balanced amplified and sent through a limiter circuit Finally the output signals are sent through an isolating transformer for freedom from grounding problems The attached shielded cable terminates in a stereo mini plug that connects to your camcorder s microphone jack When the phantom power is activated the DXA 8 supplies 48 volts to power condenser microphones The DXA 8 can accommodate a wide variety of consumer or professional microphones The gain control allows
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