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Summary of Contents for Precision Electronics BX 15
- Page 1 Instruction Kit BX 15 BX 30 INTEGRATED AMPLIFIER GROMMES-PRECISION 1-800-SINCE-46 www.grommesprecision.com...
- Page 2 800-SINCE-46 Thank you for purchasing from Grommes~Precision! Grommes~Precision and its commercial audio division, Precision Electronics, has been designing, engineering, and manufacturing quality sound equipment in the United States since it started operation in March of 1946. Quality, service, and flexibility as “Your Personal Manufacturer”...
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Page 3: Technical Support
Grommes~Precision BX 15 and BX 30 are mixer/power amplifiers, and can mix up to three signals. Rated at 15 watts (BX 15) and 30 watts (BX 30), these amplifiers are ideal for applications that require small sound reinforcement systems. Any microphone with impedance of less than 600 can be connected. -
Page 4: Panel Description
GROMMES-PRECISION 847-599-1799 F: 847-599-6178 800-SINCE-46 PANEL DESCRIPTION 1. Mic/Tel input volume control 5. Bass control Adjusts the gain of the microphone or telephone Increases the low frequency response when turned paging. The gain, increases as the control is turned clockwise, and decreases the response when turned clockwise. -
Page 5: Rear Panel Description
GROMMES-PRECISION 847-599-1799 F: 847-599-6178 800-SINCE-46 REAR PANEL DESCRIPTION 1. AC power cord 10. Mic/Tel / Aux 2 Selector Switch* 2. Circuit Breaker – For Amplifier 11. Aux 2 Input (RCA Jack) 3. Circuit Breaker – For Convenience Outlet 12. Aux 3 Input (RCA Jack) 4. -
Page 6: Input Connection
GROMMES-PRECISION 847-599-1799 F: 847-599-6178 800-SINCE-46 MUTING Announcements made using the Mic/Tel input take precedence, decreasing the sound volume of all current broadcasts from equipment connected to the Program or AUX input. The interrupted broadcasts are automatically restored gradually after Mic/Tel input announcement completion LINE (Aux) CONNECTION The equipment provides an auxiliary input which may be used for connecting other signal sources such as a Radio Tuner, CD or Cassette player. -
Page 7: Output Connections
GROMMES-PRECISION 847-599-1799 F: 847-599-6178 800-SINCE-46 ．AUX1 input connections ．AUX3 Program input connection OUTPUT CONNECTIONS ．Output terminals The amplifier has three speaker outputs: 4 , 8 , 25V and 70V. Use only one of these outputs for connection. Class 2 wiring Note: The impedance in the figure below represents the total impedance of the speaker system. -
Page 8: Loudspeaker Connection
This output allows connection of standard low impedance loudspeakers. The minimum impedance must be 4 . When two or more loudspeakers are in use, ensure that they are wired in such a way that the impedance load is between 4 and 16 . BX 15 and BX 30 Technical Specifications Type Mixer Amplifier... -
Page 9: Safety Precautions
GROMMES-PRECISION 847-599-1799 F: 847-599-6178 800-SINCE-46 IMPORTANT As the colors of the wires in the mains lead of The wires in the mains lead are colored this apparatus may not correspond with the In accordance with the following code: colored markings identifying the terminals in your plug proceed as follows: The wire, which is colored green and yellow, Green and Yellow:... - Page 10 GROMMES-PRECISION 847-599-1799 F: 847-599-6178 800-SINCE-46 The AC power output is specified on the AC outlet of the unit. Never exceed the specified wattage on the unit when connecting equipment. Doing so may cause fire or property damage. When the Unit is in Use: Should the following irregularity be found during use, immediately switch off the power, disconnect the power supply plug from the AC outlet and contact your nearest GROMMES~PRECISION dealer.
- Page 11 GROMMES-PRECISION 847-599-1799 F: 847-599-6178 800-SINCE-46 Do not operate the unit for an extended period of time with the sound distorting. This is an indication of a malfunction, which in turn can cause heat to generate and result in a fire. Contact your Grommes~Precision dealer as to the cleaning.
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