Knoll Systems WRA-50 User's Manual
Contents
1. 8 140 x 108 x 29 mm WRA 50 Amplifier WTA PACK knoll 50 Watt wireless stereo 2 4 GHz 30 channel system Installation Instructions v1 0 Warning To be installed and or used in accordance with appropriate electrical codes and regulations Description The WTA PACK consists of a 50 watt WRA 50 amplifier and a WLT O2 transmitter This system boasts a 64k sampling rate higher than CD s 44 1k quality and 2 4 gHz transmission When multiple stereo transmissions are required up to 30 WTA PACK s can operate at the Same time in the same space without sound quality or overlap issues Transmission distances can vary and should be tested The WTA PACK system can go thorough most walls and be reliable up to 100 30 m and 150 45 m outdoor line of sight The shorter the transmission distance the more reliable it will be Transmitter remote control included e Small size HUGE sound Fits almost anywhere e Stereo amplifier has 25 watt RMS per channel rating e Up to 30 different stereo channels can operate in the Same space at the same time e Transmission distances up to 100 30 m e Super high quality due to 64k sampling rate with a latency of less than 0 5 msec e Transmitter remote control included Installation The maximum transmission distance can vary depending on several factors including how much WI FI traffic is taking place in the space at any given time and how much iron and steel is nearby T2. Warranty Knoll Systems warrants WTA PACKs sold in the USA and Canada by authorized Knoll dealers to be free of defects in materials and workmanship This warranty extends for three full years from the date of purchase by the original consumer Any products returned to Knoll Systems and found to be defective by Knoll Systems within the warranty period will be repaired or replaced at Knoll Systems option at no charge Knoll Systems will not be responsible for the actual cost of installation or removal of the product nor for any incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation may not apply to you This warranty gives you specific legal rights You may have additional legal rights that vary from state to state Specifications Frequency response 20 Hz 20 kHz Transmission frequency 2400 mHz 2483 mHz Distortion 0 3 1 kHz Output power 125 watts RMS per channel 4 ohms Peak output power 30 watts per channel 4 ohms Ideal impedance 4 8 ohms SNR 95 dB Transmitter output 0 18 dBm Amplifier power 14 VDC Transmitter power 596 6 YDC Transmitter dimensions 3 1 2 x 2 3 4 x 1 89 x 70 x 25 mm Amplifier dimensions Knoll Systems 145 Tyee Drive Point Roberts WA 98281 12140 Horseshoe Way Richmond BC V7A 4V5 Tel 604 272 4555 fax 604 272 5595 Made in China knoll 5 1 2 x 4 1 4 x 1 1
3. at the high end of the WI FI band and is generally less used by other WI FI users If a great deal of interference is detected this system is designed to temporarily mute or dip out If this happens repeatedly try experimenting with other channels Turn the WLT 02 volume using the pushbuttons or remote control until it is mid way about level 16 of 32 Make sure the WLT 02 gain set switch is in the left MUSIC position Turn the WRA 50 amp volume up to about 1 3 Next push the WRA 50 CH button Slowly to change channels until the correct channel is chosen and you can hear the source Adjust the volume to a comfortable level and enjoy Try experimenting with the transmitter and amplifier volume settings until the best quality sound is produced ANTENNA 3 6 6 VDC POWER GAIN SET POWER INPUT SWITCH SWITCH 0dB Stand by 20dB OFF ON MUSIC MIC POWER INFRARED sTEREO CHANNEL RECEIVER INPUT Ve DAE SELECT UP DOWN Fig 2 WLT 02 TRANSMITTER The Knoll tech support line is 604 272 4555 and is available from 8 30 to 5 PM Monday to Fridays Pacific time
4. he rule of thumb is a maximum of 100 30 m through walls and 150 45 m outdoor in direct line of sight In certain instances this system will encounter so much interference it may not work at all We always suggest experimenting to see if it will work satisfactorily Connect the Knoll WRA 50 amplifier to the stereo speakers with 14 18 gauge wires Plug the 14 VDC power supply into the power outlet with the WRA 50 power switch in the off position Connect the WLT O2 transmitter to the stereo source using the supplied RCA to 3 5mm stereo cord provided or another cord Plug the 3 5 mm stereo jack into the WLT 02 jack labeled AUDIO Plug the 3 6 6 VDC power supply into the power outlet with the WLT O2 power switch in the off left position P ANTENNA 14 VDC TO 4 8 OHM POWER SPEAKERS INPUT 2 O Q OVERLOAD STATUS CH VO LU M E SWITCH CHANGING a ed OVERLOAD INDICATOR SWITCH Npur INDICATOR Operation Fig 1 WRA 50 AMPLIFIER Turn the stereo source music iPod CD player stereo receiver etc on to a mid comfortable volume setting if it has a control Move the switch on the rear of transmitter two clicks right to the ON position Turn the WRA 50 amplifier power switch to the on position If this transmitter is the only one in the area change the CONTROL transmitter using the remote or the WLT 02 CHANNEL SELECT push buttons to channel 25 In most stand alone systems we suggest starting with channel 25 as this is
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