CSP-SWM Issue 2 (540) 427-3505 SWM-35A, SWM-60A, SWM-100A 35, 60 AND 100 WATT WALL MOUNT AMPLIFIER • 4 Ohm, 25V or 70V INTRODUCTION outputs These instructions contain the specifications • Tel Line Input necessary to install, operate, and maintain the Clarity • Warble and single Wall Mount Amplifier(s). These units are available tone in 35, 60, or 100 watt versions, with selection of the • Tones activated by specific unit being dependent on the power needs of dry contact closure each application. • Booster output • Clipping indicator "WARNING: To reduce the risk of fire or • Accessory power electric shock, do not expose this appliance and interface to rain or moisture." connections for SWM-EQ "WARNING: SHOCK HAZARD - DO NOT OPEN." Dimensions/Weight • 13.25" W x 12.1" H x 4.5" D "AVIS: Risque de Choc Electrique ne pas (33.7cm W x 30.7cm H x 11.4cm D) Ouvrir." • Weight: 35 Watt 16 lbs. (7.3 kg) 60 Watt 16 lbs. (7.3 kg) "PELIGRO: Corriente Electrica - No Abres." 100 Watt 19 lbs. (8.6 kg) Nominal Specifications SPECIFICATIONS Type of Outputs: 4 Ohms, 25 volts, 70 volts The Clarity Wall Mount Amplifier (35, 60, or 100 Frequency Response 80Hz-15kHz +2dBm watts) is designed to provide audio power that can be Distortion <2% used to operate 4 Ohms, 25 volt or 70 volt type Number of Inputs - 4 Mic 1/Tel Line, speakers or horns for voice paging or background Mic 2/Aux 1, Aux 2, 1 Contact Closure music systems. Mounting Wall Applications Voice Switch Sensitivity -31dBm • Paging and Sound Reinforcement Systems Mic Input Impedance 600 Ohm Bal • Stand Alone Background Music Systems Sensitivity on Mic Input 1mV • Telephone Paging Systems Tel Line Input Impedance 600 Ohms Refer to Figure 1 for a block diagram of a typical Aux Impedance 10K Ohms installation. Booster Output 2.6V RMS 10K Loading Effects Out 1VRMS +/-20% Features Effects In 1VRMS 10K • Priority override or Mix all inputs (switch selectable) Output Specifications • Effects Loop In or Out (switch selectable) 4 Ohms 25 Volts 70 Volts • Master volume control Output Load Load • Bass control Level Impedance Impedance • Treble control 35W 11.8VRMS 18 Ohms 143 Ohms • Volume control on each of 3 inputs 60W 15.5VRMS 10.4 Ohms 83 Ohms • Tone signal volume control 100W 20.0VRMS 6.3 Ohms 50 Ohms • All controls are screwdriver adjustable 947436 • Power "ON" indicator 1 CLARITY WALL MOUNT AMPLIFIER Tel Mic1 Mic2 Aux1 Aux2 C.C. Com 70V Line or or Speakers Background Music FIGURE 1 - BLOCK DIAGRAM OF A TYPICAL INSTALLATION amplifier enables the "Effects Loop," when in the Nominal Power Requirements "In" position. Voltage 120 VAC, 60 Hz AC Current 35 Watt Amp, 1.0 Amp 60 Watt Amp, 1.5Amp INSTALLATION 100 Watt Amp, 2.5 Amp Precautionary Designations Environment o Temperature 0 to 50 C Mounting Humidity 0 to 85% non-precipitating ������� DESIGN �%&��’�()(�� ���%*��& ��������+(� The Wall Mount Amplifier is designed to provide ����������������������������������������������� audio power (35, 60, or 100 watts) to operate 4 ohm, �������������������� 25 volt or 70 volt type speakers and horns. Active ��������������������������������� �������������!����"��������������������������� Mixing of all inputs or Priority input is switch selectable. In the "Priority" mode, the sequence is as ������#�����������������������!����� follows: �����!�������������!������������������� �����������������$���������������� "MIC 1/TEL" overrides "MIC 2/AUX 1" and "AUX 2," "MIC 2/AUX 1" overrides "AUX 2." ������#����������������������������� ������������������!���������������� ���������������������������������������#��! ���������� An ON/OFF switch is not required for operation of the wall mount amplifier. The unit activates when the The Clarity wall mount amplifiers were designed for AC power cord is plugged in. The "Power" LED wall mounting. When mounting this unit, secure it to illuminated indicates the amp is ON. wall studs or a suitable brace. (A plywood backboard The amplifier has a "Master" volume control, input 2' square and at least 1/2" thick attached to wall studs controls, separate "Bass" and "Treble" controls, and would be considered a suitable brace). Make certain "Tone Signal" level control. The unit also contains a the unit is not mounted near heat sources or strong resettable circuit breaker. When the amplifier exceeds magnetic fields. Determine control and terminal strip its output rating, the "Clipping" LED will illuminate. accessibility before mounting the unit. If this condition is not corrected, the unit will shut down and must be re-activated by resetting the circuit Four #10 x 3/4 cross-tip round head wood screws are breaker. The amplifier has automatic level control on included for mounting. Fasten two of these screws at the Tel line input. A signal greater than -10dBm will the appropriate location on the mounting surface activate the automatic level control, reducing the (approximately 12.65" apart and parallel to the floor), output gain of the amplifier. allowing the screwheads to protrude 1/8" to 1/4". Place the chassis of the unit onto the screwheads at An "Effects Loop" is provided to allow connections the mounting slots. Position the two remaining of equalizers and other types of signal processing screws and fasten through the remaining mounting equipment. A slide switch on the front of the slots. Tighten screws to complete the mounting. 2 either the "Single" or "Warble" tone screw terminal. (See Figure 3). Both tones can be used with separate General closures. If both closures are operated, the Single The Clarity Wall Mount Amplifier provides tone will override the Warble tone. Example: Time connections for three input sources: "Tel Line/Mic clock tone (Single tone) will override nite bell ringing 1" input, "Mic 2/Aux 1" input, and "Aux 2" input. (Warble tone). Tel Line Connections Speaker Cabling Referring to Figure 3, connect the telephone system When the "4 ohm" output is used, standard two audio page port leads to the screw terminals conductor speaker wire can be used (18-20 AWG designated as "Tel" and "Tel Com." NOTE: determined by the load). If the "25V" or "70V" Interface devices are required when connecting to output is used, two conductor shielded cable is recommended for speaker connections. NOTE: outside C.O. Lines, PABX extensions, single line telephones or telephone system trunk ports. When shielded cable is used, the shield should be connected to the ground screw terminal. Mic Connections Amplifier Setup The Clarity Wall Mount Amplifier provides Volume and tone controls are screwdriver adjustable. connections for low impedance balanced micro- During initial system setup, it is recommended that phones. For the "Mic 1" input, connect the positive the individual gain controls be set 1/4 turn and the pressure lead of the microphone (normally pin 2 of a "Master" volume control be set 1/4 turn (1/4 turn standard XLR connector) to the "Mic 1 +" screw clockwise, from the minimum volume position - terminal; connect the microphone shield to the "Mic 1 which is fully counterclockwise). Com" terminal; and the negative pressure lead of the NOTE: All connections should be made to the microphone to the remaining "Mic 1" screw terminal. amplifier and double-checked before the AC power cord is plugged in. The "Power" LED illuminates To connect a microphone to the "Mic 2" input, con- when the AC power cord is plugged in. nect the positive pressure lead of the microphone to the "Mic 2 +" screw terminal connection; microphone OPERATION shield to the "Mic 2 Com" screw terminal; and the When the amplifier is in the "Mix" mode, signals on negative pressure lead of the microphone to the all inputs are mixed and sent to the speakers. When remaining "Mic 2" screw terminal. (See Figure 3). the "Priority" mode is selected, a signal from "Mic 1/Tel" will override "Mic 2/Aux 1" and "Aux 2" Auxiliary Connections inputs. If "Mic 1/Tel" is not active, "Mic 2/Aux 1" High impedance auxiliary devices such as a tuner, will override "Aux 2." The override is voice tone generator, etc. can be connected to the "Aux" activated and does not require the use of an external inputs. Connect common out to "Aux Com" screw relay or contact closure. The separate gain controls terminal and audio out to the remaining "Aux" screw on the unit allow adjustment of volume levels for each input. terminal. (See Figure 3). TECHNICAL ASSISTANCE Effects Loop Connections When trouble is reported, verify that AC power is Only qualified service personnel should install the being supplied to the unit and there are no shorts or grounds on speaker cabling. Assistance in trouble- signal processing equipment. Connect the amplifier's shooting is available from the factory. When calling, "EFFECTS OUT" to the input of the equalizer or you should have a VOM and a telephone test set other signal processing equipment. Connect the available and be calling from the job site. Call (540) "EFFECTS IN" to the output of the signal processing 427-3505 and ask for Technical Support or (540) equipment. Set the "Effects Loop In/Out" slide 427-6000 for Clarity 24-hour Automated Support. switch to the "In" position. The "Effects Loop" Visit our website at http://www.clarity-com.com. switch allows comparison of before "signal processed", and after effect, in the area the signal is CLARITY maintains service facilities in Roanoke, being modified. All signal processing effects are VA. Should repairs be necessary, attach a tag to the bypassed when the "Effects Loop" switch is in the unit clearly stating company name, address, phone "Out" position. number, contact person and the nature of the problem. Send the unit to: Repair and Return Dept. Contact Closure Connections Clarity A contact closure is used to activate the warble and 5614 Hollins Road single tones. Connect one side of the closure to Roanoke, VA 24019-5056 "Tones Com" and the other side of the closure to 3 5 2 6 1 Master Tone Mic1/Tel Mic2/Aux1 Aux2 Bass Treble Gain Signal 7 3 Clipping Power 4 8 9 Mic1/Tel Effects Mic2/Aux1 Loop Aux2 Priority In WARNING 10 To reduce the risk of fire or electric shock, Out Mix Do not expose this equipment to rain or moisture. AVIS: Risque de Choc Electrique ne pas Ouvrir. 11 "Class 2" Wiring may be used. FIGURE 2 1 - Mic 1/Tel Volume Control 6 - Master Gain Control 2 - Mic 2/Aux 1 Volume Control 7 - Tone Signal (Warble or Single Tone) Volume Control 3 - Aux 2 Volume Control 8 - Power Indicator LED 4 - Bass Control 9 - Clipping Indicator LED 5 - Treble Control 10 - Mix/Priority Input Selection Switch 11 - Effects Loop Selection Switch Inputs Tones Outputs Gnd Mic1 Mic1 Mic1 Mic2 Mic2 Mic2 Sngl Com Warb Gnd Com 4ohm 25V 70V Tel Tel Aux1 Aux2 Aux2 + + Aux1 Com Com Com Com CONNECTION LAYOUT 4 Inputs Tones Outputs Gnd Mic1 Mic1 Mic1 Mic2 Mic2 Mic2 Sngl Com Warb Gnd Com 4ohm 25V 70V Tel Tel Aux1 Aux2 Aux2 + + Aux1 Com Com Com Com Audio Page Port Shield Shield Speakers * Shield Tel OR Door System Tuner Pushbutton KSU OR *Connect only Cassette to amplifier Clock FIGURE 3 - CONNECTION DIAGRAM LIMITED WARRANTY Clarity warrants its products to be free from defects in materials and workmanship under conditions of normal use and service for a period of one year from the date of shipment. The obligation under this warranty shall be limited to the replacement, repair or refund of any such defective device within the warranty period, provided that: 1. Inspection by Clarity indicates the validity of the claim; 2. The defect is not the result of damage, misuse, or negligence after the original shipment; 3. The product has not been in any way repaired by others and that factory sealed units are unopened (A service charge plus parts and labor will be applied to units defaced or physically damaged); 4. Freight charges for the return of products to Clarity are prepaid, 5. All units “out of warranty” are subject to a service charge. The service charge will cover minor repairs (Major repairs will be subject to additional charges for parts and labor). This warranty is in lieu of and excludes all other warranties, expressed or implied, and in no event shall Clarity be liable for any anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in connection with the purchase, operation, or use of the product. This warranty specifically excludes damage incurred in shipment. In the event a product is received in damaged condition, the carrier should be notified immediately. Claims for such damage should be filed with the carrier involved in accordance with the F.O.B. point. 5 FIGURE 4 CONNECTING TO AN EQUALIZER OR OTHER SIGNAL PROCESSING EQUIPMENT OUT IN ACCESSORY BOOSTER EFFECTS DC PWR OUTPUT SWM-xxxA AMPLIFIER INPUT OUTPUT EQUALIZER FIGURE 5 CONNECTING TO A POWER AMPLIFIER OUT IN ACCESSORY BOOSTER EFFECTS DC PWR OUTPUT SWM-xxxA AMPLIFIER HI-Z INPUT POWER AMPLIFIER 6