1. ການແນະນໍາ ແລະຫຼາຍກວ່າview
This manual provides detailed instructions for the installation, operation, and maintenance of your Speco PBM-30 30W Contractor Series PA Amplifier. Designed for professional audio applications, this amplifier offers robust performance and versatile connectivity options.
The PBM-30 is a 30W contractor series PA amplifier featuring two independent channels, an auto-mute function, and manual muting contacts. It is UL Listed, ensuring compliance with safety standards. The amplifier accepts inputs from two distinct sound sources and provides a variety of output choices, including 4, 8, and 16 ohm, as well as 70 and 25 volt line outputs. Additionally, it includes a music-on-hold output with separate level control and a 600 ohm telephone line input with its own level control.
2. ຄຸນນະສົມບັດທີ່ສໍາຄັນ
- 30W Contractor Series PA Ampມີຊີວິດຊີວາ
- UL ລະບຸໄວ້ສໍາລັບຄວາມປອດໄພແລະຄວາມຫນ້າເຊື່ອຖື
- ສອງຊ່ອງທາງປ້ອນຂໍ້ມູນເອກະລາດ
- Automatic mute function for seamless audio management
- Music on hold output with dedicated level control (600 ohm line and one watt 8 ohm)
- 600 ohm telephone line input with adjustable level control
- Manual muting contacts for external control
- Accepts inputs from two distinct sound sources
- Versatile output options: 4, 8, and 16 ohm, plus 70 and 25 volt line outputs
3. ຄໍາແນະນໍາຄວາມປອດໄພ
Please read and follow all safety instructions carefully to prevent injury or damage to the ampຕົວຊີ້ບອກ. ຮັກສາຄູ່ມືນີ້ໄວ້ສໍາລັບການອ້າງອີງໃນອະນາຄົດ.
- ແຫຼ່ງພະລັງງານ: ເຊື່ອມຕໍ່ ampເຄື່ອງເພີ່ມພະລັງງານໃຫ້ກັບລະດັບການສະໜອງພະລັງງານທີ່ລະບຸໄວ້ເທົ່ານັ້ນtage. ຮັບປະກັນວ່າສາຍໄຟບໍ່ເສຍຫາຍ ຫຼື ຖືກປັກ.
- ການລະບາຍອາກາດ: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions, ensuring adequate airflow around the unit.
- ນ້ໍາແລະຄວາມຊຸ່ມ: ຢ່າເຮັດໃຫ້ເຄື່ອງນີ້ຖືກຝົນ ຫຼືຄວາມຊຸ່ມຊື່ນ. ຫ້າມວາງສິ່ງຂອງທີ່ເຕັມໄປດ້ວຍນ້ຳເຊັ່ນ: ໂຖປັດສະວະ, ໃສ່ເຄື່ອງ.
- ຄວາມຮ້ອນ: ຫ້າມຕິດຕັ້ງໃກ້ກັບແຫຼ່ງຄວາມຮ້ອນເຊັ່ນລັງສີ, ເຄື່ອງບັນທຶກຄວາມຮ້ອນ, ເຕົາຫຼືອຸປະກອນອື່ນໆ (ລວມທັງ. amplifiers) ທີ່ຜະລິດຄວາມຮ້ອນ.
- ການບໍລິການ: ຢ່າພະຍາຍາມໃຫ້ບໍລິການຜະລິດຕະພັນນີ້ດ້ວຍຕົວທ່ານເອງ. ອ້າງອີງການບໍລິການທັງໝົດໃຫ້ກັບພະນັກງານບໍລິການທີ່ມີຄຸນວຸດທິ. ການບໍລິການແມ່ນຕ້ອງການເມື່ອອຸປະກອນໄດ້ຮັບຄວາມເສຍຫາຍໃນທາງໃດກໍ່ຕາມເຊັ່ນ: ສາຍໄຟຫຼືປລັກສຽບຖືກເສຍຫາຍ, ແຫຼວຮົ່ວໄຫຼຫຼືສິ່ງຂອງຕົກເຂົ້າໄປໃນອຸປະກອນ, ອຸປະກອນຖືກຝົນຫຼືຄວາມຊຸ່ມຊື່ນ, ບໍ່ເຮັດວຽກຕາມປົກກະຕິ, ຫຼືຫຼຸດລົງ.
- ທໍາຄວາມສະອາດ: ຖອດປລັກຜະລິດຕະພັນນີ້ອອກຈາກຝາຜະຫນັງກ່ອນທີ່ຈະເຮັດຄວາມສະອາດ. ຢ່າໃຊ້ເຄື່ອງເຮັດຄວາມສະອາດຂອງແຫຼວຫຼືເຄື່ອງເຮັດຄວາມສະອາດ aerosol. ໃຊ້ໂຄສະນາamp ຜ້າສໍາລັບການທໍາຄວາມສະອາດ.
4. ການຕິດຕັ້ງ ແລະການເຊື່ອມຕໍ່
Before connecting any components, ensure the amplifier is powered off and unplugged from the mains supply. Refer to the diagram below for a visual guide to the front panel controls.
ຮູບ 4.1: ແຜງດ້ານຫນ້າ View of Speco PBM-30 PA Amplifier, showing MIC 1, MIC 2/AUX, BASS, TREBLE, and POWER controls.
4.1 ການເຊື່ອມຕໍ່ຂາເຂົ້າ
- Microphone/Auxiliary Inputs: ໄດ້ amplifier accepts inputs from two sound sources. Connect your microphones or auxiliary devices (e.g., CD player, media player) to the designated input jacks on the rear panel. Ensure proper cable types (e.g., XLR for microphones, RCA for auxiliary) are used.
- Telephone Line Input: Connect a 600 ohm telephone line to the dedicated input. This input has its own level control for adjusting the volume of telephone audio.
4.2 ການເຊື່ອມຕໍ່ຂາອອກ
- ລຳ ໂພງອອກ: Connect your speakers to the appropriate output terminals on the rear panel. The amplifier supports 4, 8, and 16 ohm speaker loads. Ensure the impedance of your speakers matches the selected output terminals.
- Vol ຄົງທີ່tage ຜົນໄດ້ຮັບ: For distributed audio systems, connect speakers to the 70 volt or 25 volt line outputs as required. Ensure all speakers in a constant voltage system are compatible with the chosen voltage.
- Music on Hold Output: Connect your music on hold system to this output. It provides both a 600 ohm line output and a one watt 8 ohm output, each with separate level control.
4.3 ການເຊື່ອມຕໍ່ພະລັງງານ
Once all audio connections are made, connect the amplifier's power cord to a suitable AC power outlet. Ensure the power switch on the front panel is in the OFF position before plugging in.
5. ຄໍາແນະນໍາການດໍາເນີນງານ
This section details the functions of the front panel controls and key features of the PBM-30 ampມີຊີວິດຊີວາ.
5.1 ແຜງຄວບຄຸມດ້ານໜ້າ
- ສະຫວິດໄຟຟ້າ: This is the main power switch for the amplifier. Press to turn the unit ON or OFF. The indicator light will illuminate when the unit is powered on.
- MIC 1 Control: Adjusts the volume level for the microphone connected to Input 1.
- MIC 2/AUX Control: Adjusts the volume level for the microphone connected to Input 2 or the auxiliary audio source.
- ການຄວບຄຸມ BASS: Adjusts the low-frequency (bass) response of the audio output. Turn clockwise to increase bass, counter-clockwise to decrease.
- ການຄວບຄຸມ TREBLE: Adjusts the high-frequency (treble) response of the audio output. Turn clockwise to increase treble, counter-clockwise to decrease.
5.2 Auto Mute Function
The auto-mute function automatically mutes background music or other audio when a signal is detected on a priority input (e.g., a microphone input for announcements). This ensures that announcements are clear and audible without interference from other audio sources. The sensitivity and priority of the auto-mute function may be configured via internal jumpers or rear panel controls, if available (refer to detailed wiring diagrams for specific setup).
5.3 Manual Muting Contacts
ໄດ້ amplifier includes manual muting contacts, allowing for external control of the muting function. These contacts can be wired to an external switch or control system to manually mute audio output when activated. Consult the wiring diagram in the full technical manual for proper connection of these contacts.
5.4 Music on Hold (MOH) Output
The dedicated Music on Hold output allows you to feed background music to a telephone system's MOH input. Use the separate level control to adjust the volume of the music being sent to the telephone system.
6. ບໍາລຸງຮັກສາ
Proper maintenance ensures the longevity and optimal performance of your Speco PBM-30 ampມີຊີວິດຊີວາ.
- ທໍາຄວາມສະອາດ: ເຊັດພື້ນນອກເປັນປະຈຳ amplifier with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and then dry thoroughly. Do not use harsh chemicals, abrasive cleaners, or solvents.
- ການລະບາຍອາກາດ: Ensure that the ventilation openings are clear of dust and debris. Periodically check that nothing is obstructing the airflow around the unit.
- ການເກັບຮັກສາ: ຖ້າຫາກວ່າການເກັບຮັກສາ amplifier for an extended period, disconnect it from power, clean it, and store it in a cool, dry place away from direct sunlight and extreme temperatures.
- ການກວດກາ: Periodically inspect power cords and audio cables for any signs of damage. Replace damaged cables immediately.
7. ການແກ້ໄຂບັນຫາ
ຖ້າເຈົ້າພົບບັນຫາກັບເຈົ້າ amplifier, refer to the following common troubleshooting steps. If the problem persists, contact qualified service personnel.
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ບໍ່ມີພະລັງງານ | Power cord unplugged; Power switch off; Blown fuse; Power outlet fault. | Ensure power cord is securely plugged in; Turn power switch ON; Check and replace fuse if necessary (refer to service manual); Test power outlet with another device. |
| ບໍ່ມີສຽງອອກ | Volume controls too low; Incorrect input selected; Speaker connections loose or incorrect; Mute function active. | Increase MIC/AUX volume controls; Verify input source is active; Check all speaker wiring for secure and correct connections; Check manual muting contacts or auto-mute settings. |
| ສຽງບິດເບືອນ | Input signal too high (clipping); Speaker impedance mismatch; Damaged speaker or cable. | ຫຼຸດລະດັບສັນຍານເຂົ້າ; ໃຫ້ແນ່ໃຈວ່າຄວາມຕ້ານທານຂອງລຳໂພງກົງກັນ amplifier output; Test with different speakers or cables to isolate the issue. |
| ສຽງດັງ/ສຽງດັງ | Ground loop; Loose connections; Interference from other electronics. | Ensure all equipment is on the same electrical circuit; Check all audio cable connections; Move amplifier ຫ່າງຈາກອຸປະກອນເອເລັກໂຕຣນິກອື່ນໆ. |
8. ຂໍ້ມູນຈໍາເພາະ
| ຄຸນສົມບັດ | ລາຍລະອຽດ |
|---|---|
| ຕົວແບບ | PBM-30 |
| ຜົນຜະລິດພະລັງງານ | 30 ວັດ |
| ຊ່ອງ | ສອງ |
| ຜົນອອກຂອງລຳໂພງ | 4 Ohm, 8 Ohm, 16 Ohm, 25V Line, 70V Line |
| Music on Hold Output | 600 Ohm Line, 1 Watt 8 Ohm (with separate level control) |
| Telephone Line Input | 600 Ohm (with level control) |
| ຫນ້າທີ່ພິເສດ | Auto Mute, Manual Muting Contacts |
| ການຢັ້ງຢືນ | UL ລາຍຊື່ |
| ນ້ໍາຫນັກລາຍການ | 12 ປອນ |
| ຜູ້ຜະລິດ | ສະເປັກ |
| ASIN | B005H59JKA |
| ວັນທີທໍາອິດທີ່ມີ | ວັນທີ 14 ກັນຍາ 2011 |
9. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
Speco Technologies products are designed for reliability and performance. For information regarding warranty coverage, please refer to the warranty card included with your product or visit the official Speco Technologies webເວັບໄຊ.
For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact Speco Technologies customer support. Contact details can typically be found on the manufacturer's webສະຖານທີ່ຫຼືຢູ່ໃນການຫຸ້ມຫໍ່ຜະລິດຕະພັນ.
ຊັບພະຍາກອນອອນໄລນ໌: For the most up-to-date information, FAQs, and additional resources, please visit the official Speco Technologies webເວັບໄຊ: www.specotech.com
