Aiphone PM-60 User's Manual
Contents
1. AIPHONE MIXER AMPLIFIER INSTRUCTIONS PM 30 Ere et E eT LET SS AIPHONE MIXER AMPLIFIER 1 FEATURES 1 All transistorized circuitry high quality design and construction 2 Full frequency response 100Hz 10KHz 3 Low distortion less than 3 at rated output 4 Bass and treble tone control 5 Built in VU meter 6 Output Overload Auto protected circuit 7 Master volume control 8 Sinputs 3 Mic 1 Aux 1 Phone with independent volume control 30W 8 inputs 4 Mic 1 Aux 1 Tape Tuner 1 Phono 1 Phone with independent volume control 60W 100W 9 AC 117V 50 60Hz 10 Isolated transformer outputs 4 8 16 ohms and 25 70V 11 Handsome modern styling GENERAL DESCRIPTION The PM series Mixer Amplifiers PM 30 30W PM 60 60W PM 100 100W are designed for years of trouble free use in diverse commercial and industrial applications They pro vide paging announcement intercommunication and background music systems in in dustrial plants offices churches hotels department stores shopping centers night clubs restaurants convention halls auditoriums and stadiums Their main feature is the ability to withstand overload and open or short circuiting of the output The PM series requires no complicated protective circuit to withstand accidents or mismatched output con nections that may occur during the installation or use of a PA system The a2. 15 5V 4 ohm 22 8 ohm 31V 16 ohm 25V 10 4 ohm 70V 81 6 ohm PM 100 20V 4 ohm 28 3V 8 ohm 40V 16 ohm 25V 6 3 ohm 70V 49 ohm Noise Level All volume control C C W 75db below rated output Microphone 2 2 0 2 cee eee hh ees 55db below rated output Tape Tuner Phono Phone Aux 65db below rated output Tone Control Bass Ten va CU T od E ded 10dB at 100Hz Treble ceira sas eR gree eee S 10dB at 10KHz Indicators 1 Power Lamp 1 Overload Lamp LED 1 Output VU Meter Protections 1 AC Circuit breaker 1 overload protector Builded in Terminals Screw terminals for all inputs outputs Power Supply 110 120V AC 50 60Hz Power Consumption No Signal AC Source Rated Output AC Source PM 30 15VA 100VA PM 60 32VA 200VA PM 100 60VA 320VA Ambient Temperature Range 14 F to 140 F 10 C to 60 C Weight PM 30 PM 60 PM 100 6 0 Kg 9 5 Kg 11 Kg 13 2 lbs 20 9 Ibs 24 2 Ibs Dimensions W x H x D PM 30 12 60 x 3 54 x 9 84 320x 90x 250 m m 60 17 72 x 4 92 x 11 22 450 x 125 x 285 m m PM 100 17 72 x 4 92 x 11 22 320 x 125 x 285 m m Acc ssories PM 30 Rack mount brackets 4 FUNCTIONS Model PM 30 1 Mic 1 Volume Control 2 1 Input Phone Jack 3 Mic 3 Volume Control 4 Telephone Volume Control 5 Bass Tone Control 6 Master Volume Control 7 Over Load Pilot Lamp 8 Output VU Meter 9 Power Switch
3. or losses be equally divided between individual controls and the master control Tone Controls The separate tone controls provide boost and attenuation of bass and treble response The flat position is obtained when the knobs are set to mechanical center 4 Turn BASS control knob and TREBLE control knob respectively clockwise to raise tone level by approximate 10dB turn counter clockwise to lower tone level by approximate 10dB 7 INPUT CONNECTION Microphones Four microphone inputs are provided They may be used with balanced or unbalanced high impedance 50K ohm or Low impedance 600 ohm microphone A microphone with an unbalanced connection cable of 30 to 60 10 20m may be used but it depends on the microphone and its characteristic Mic 1 Mic 2 Mic 3 and Mic 4 Mic 1 is unbalanced High impedance and is provided with a double pole phone jack located on the front panel Mic 2 is balanced Low impedance and Mic 3 and 4 are unbalanced Low Impedance and re located on the rear panel gt Balanced Low Impedance Microphone Connect to the double conductor shielded cable to Mic 2 Input Terminal Balanced microphone Unbalanced High Impedance Microphone May also be connected to the single conductor shielded cable of unbalanced high impedance microphone Single pole phone plug unbalanced Microphone to Mic 1 Phone Jack Unbalanced Low Impedance Mircrophone to Mic 3 or Mic 4 Phone Jack unbalance
4. 10 Handle 11 Treble Tone Control 12 Aux Volume Control 13 Mic 2 Volume Control 14 Circuit Breaker D C 15 Circuit Breaker A C 16 AC Power Supply Cord 17 Low Impedance Output Terminals 4 8 16 ohm 18 High Impedance Output Terminals 25V 70V 19 DC Power Input Terminals 20 Mic 3 Input Terminals PM 30 PM 60 PM 100 l 9o RON UAR Pits 11 12 13 14 15 16 17 18 20 Mic 1 Input Phone Jack Phono Volume Control Music Volume Control Telephone Volume Control Treble Tone Control Bass Tone Control Master Volume Control Over Load Pilot Lamp Power Switch Handle Output VU Meter Mic 4 Volume Control Mic 3 Volume Control Mic 2 Volume Control Mic 1 Volume Control Circuit Breaker AC Power Supply Cord High Impedance Output Terminals 25V 70V Low Impedance Output Terminals 4 8 16 ohm Heat Sink 21 22 23 5 Aux Input Terminals 21 Phono Input Terminals Telephone Input Terminals 22 Music Tape Tuner Mic 2 Input Terminals Input Terminals 23 Telephone Input Terminals 24 AUX Input Terminals 25 AUX Volume Control 26 Mic 4 Input Terminals 27 Mic 3 Input Terminals 28 Mic 2 Input Terminals INSTALLATION Unpacking Upon receiving shipment please inspect for any damage incurred in transit If damage is found please notify your Aiphone distributor Connecting of Components An FM tuner Cassette player remote microphone chime and other high level signal so
5. ES ETT REESE sms e BOX SPEAKER AM FM TUNER TAPE PLAYER WIRELESS TUNER BOX SPEAKER TELEPHONE We at AIPHONE are proud of our products Our designers and engineers strive to bring you the finest in sound equipment Each item has been carefully tested and inspected before leaving our factory Properly installed and used your Aiphone system will give years of troublefree service WARRANTY Aiphone warrants its products to be free from defects of material and workmanship under normal use and service for a period of one year after delivery to the ultimate user and will repair free of charge or replace at no charge should it become defective upon which examination shall disclose to be defective and under warranty Aiphone reserves unto itself the sole right to make the final decision whether there is a defect in materials and or workmanship and whether or not the prod uct is within the warranty This warranty shall not apply to any Aiphone product which has been subject to misuse neglect accident or to use in violation of instructions furnished nor extended to units which have been repaired or altered outside of the factory This warranty does not cover batteries or damage caused by batteries used in connection with the product This warranty covers bench repairs only and any repairs must be made at the shop or place des ignated in writing by Aiphone Aiphone will not be responsible for any costs incurred involving on site servic
6. d Microphone Phonograph Connect ceramic or crystal cartridge pick up to Phono input 55mV 500Kohm Use a single conductor or double conductor shielded cable X to PHONO Input Terminal of Amplifier Connect to the GND terminal of the amplifier Auxiliary AUX PHONO TAPE PLAYER TUNER An FM tuner or tape palyer may be connected to the TAPE TUNER input In Addition A remote microphone Chime Mixer Preamplifier or other high level signal sources may be connected to the AUX Use single or double conductor shielded cable From unbalanced type inal output equipment to AUX Input Termina From balanced type output equipment A Ge AUX Input Terminal Telephone A voice signal from the telephone system 600 ohm balanced output may be con nected to the PHONE inpnt Use two conductor shielded cable from TELEPHONE system oem to PHONE input terminat 8 OUTPUT CONNECTIONS Speaker Output The amplifier may be used in conjunction with a speaker rated at 4 8 16 ohms or with balanced output 25 Volt or 70 Volt constant voltage speaker systems Low Impedance Speaker Output 4 8 16 ohm The 4 8 16 ohms terminal is provided for the connection of a few large output speakers This applies when constant voltage speaker system is unnecessary or in case the distance between the amplifier and the speakers is short enough less than 200ft It is requested that the total speaker load impedance the correctly matched to the output imp
7. e calls
8. edance of the amplifier for most efficient transfer of power Be sure that total impedance of speaker is above 4 8 and 16 ohms However do not raise amplifier output power over the endurable input power of speaker otherwise the speaker would be damaged 25V and 70 Volts Speaker Ouput When it is desired to operate the speaker from a distance of over 200 from the ampli fier it is recommended that line matching transformers be installed on the speaker units to prevent excessive line losses This method of load matching known as the constant voltage distribution system eliminates the calculation of load impedance and series parallel speaker arrangements In this method all speakers are connected in parallel These constsant voltage outputs are most convenient for distribution of power when a number of speakers are installed Each speaker must have 25 volt or 70 volt line transformer with a tap that gives the power desired for that speaker The total number of power settings for all speakers should be equal to the amplifier power rating or less Wiring instruction is indicated as follows COM 40 82 169 Output Meter The swing of the output meter indicates output level When voice or music is ampli fied set the volume control knob at the position where the maximum output meter reading max swing of arm is below 100 9 TYPICAL CONNECTIONS BOX SPEAKER HORN SPEAKER PHONOGRAPH PAGING MICROPHONE ESS
9. mplifier is protected by a circuit breaker when other abnormal electrical conditions occur Four microphone inputs are provided for High and low Impedance microphones Four auxiliary Tape Tuner Phono Phone Aux inputs are provided for signal sources such as FM Tuner cassette player remote microphone ceramic or crystal phonograph cartridge and telephone system Speaker outputs are complete with 4 8 16 ohms usable 4 16 ohms and 25V or 70V line connections All the inputs and outputs are secured with screw terminals Terminals have been covered for protection against electric shock There are four microphone volume controls four auxiliary volume controls a master volume control bass tone control treble tone control and power on off switch plus an overload LED pilot lamp are provided Also a VU meter has been added for visual monitoring SPECIFICATIONS Models PM 30 PM 60 PM 100 Type Mixer Power Amplifier Power Output PM 30 30Watts rms less 3 THD at IKHz AC 117V PM 60 60Watts rms less 3 THD at IKHz AC 117V PM 100 100Watts rms less 3 THD at IKHz AC 117V Frequency Response 100Hz 10KHz 3dB Sensitivity and Impedance Mic Input 3 0mV 50dB 50K ohm 0 5mV 66dB 600 ohm Tape Tuner AUX Inputs 100mV 20dB 100K ohm Phono Input 55mV 25dB 500K ohm Phone Input 1V 0dB 600 ohm Outputs Voltage and impedance PM 30 11V 4 ohm 15 5V 8 ohm 22V 16 ohm 25V 21 ohm 70V 163 ohm PM 60
10. urces may be connected to high impedance inputs with a single conductor low capacity shielded cable The high impedance microphone with a single conductor shielded cable of 30 to 60 10 20m length can be plugged into the Mic 1 input Make certain that all input cables are kept away from speaker cables power cables and power transformers Speaker cables must be also kept away from power cables Grounding the Unit L The chassis of the unit must be grounded by using GND terminal located on rear side and connected to an earth ground eg cold water pipe If additional equipment is connected to the amplifier make sure that these chassis are individually secured to the same ground OPERATIONS Over Load If the external load exceeds the rated power a safety circuit will respond and protect this unit immediately Even if the load is short circuited the protective circuit will be activated by loading 1 5 times over the rated power If the OVER LOAD lamp is illuminating or the circuit breaker on rear panel is turned off please turn off the power and check the cutput circuit When a correct circuit has been secured push circuit breaker back to original position and turn power on Make sure overload lamp is off otherwise re check the otuput circuit Volume Control Setting For the average input signals the master gain control should be set to the middle In relation to the levels of inputs it is recommended that the gains
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