Speco Professional Series Mixer Public Address Amplifiers

STARK ELECTRONIC

444 FRANKLIN ST. WORCESTER, MA.01604

CALL 508-756-7136 FAX 508-756-5752 MON-FRI 8:30-5PM EASTERN TIME

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PZ-5 5 Zone Paging Selector  OPEN BOX SPECIAL $109 REGULAR $122 Never used someone ordered then could not use so returned it

{short description of image}MORE INFORMATION ON THE CLOSE OUTS PAGE

Our zone paging adapter is 1 to 5 zone selectable. It features an option to "All Zone" page or the selection of individual zones from 1 to 5. It is for use with 70V and 25V systems. A rack mounting kit is included.

Technical Specifications Controls 5 Sp5 Speaker Selectorseaker

Dimensions 2"(H) X 16-1/2"(W) X 9"(D) * Outputs 25 and 70V lines *Rack Mounting Kit Included * Weight 6.5 lbs


CSi P-30A

P-30A Professional 30 Watt RMS PA Amplifier $199 plus $14.95 flat rate shipping to lower 48 state
30 watts RMS @ 0.2% THD
, Frequency Response: 20Hz - 20KHz, Sensitivity: Mics - 0.5mV / Aux - 100mV, Noise: Mics & Aux - 70dB, Priority Page Muting Circuit, 2 locking Cannon type XLR MIC inputs, 2 RCA Aux inputs, high or low impedance, tone control & separate volume control for each input, Master volume switch & lighted on/off power switch, 4 & 8 ohm, 25 & 70V outputs, Input and output fused, Dimensions: 3½"H x 11-7/8"W x 7½"D, Weight: 9 lbs. 4 oz. -


PBM-15 15W Contractor Series PA Amplifier $149 plus $12.95 flat rate shipping to any lower 48 state

UL Listed. Our two channel contractor series mixer/amplifier is a 15 watt amplifier. It features an auto mute function, music on hold output with separate level control (600 ohm line and one watt 8 ohm), 600 ohm telephone line input with level control, bass/treble toOur two channel contractor series mixer/amplifier is a 15 watt amplifier. It features an auto mute function, music on hold output with separate level control (600 ohm line and one watt 8 ohm), 600 ohm telephone line input with level control, bass/treble tone controls, front panel level controls, and manual muting contacts. In addition to the telephone line input, this unit accepts inputs from two sound sources. Each source utilizes a microphone input (terminal strip). Source 1 also offers the option of an auto summing stereo auxiliary RCA input. Outputs include a choice of 4, 8, and 16 ohm as well as 70 and 25 volt line outputs. Rack (PBM-RK1) and wall (PBM-WK1) mounting kits are available (not included).

Technical Specifications Finish Black * Frequency Response Rate 50-15,000 Hz. +/- 3 dB *  Input Sensitivity/Impedance Tel: 100mV/600 ohms, unbalanced *  Mic-1-2: 1.0mV/600 ohms, balanced * Aux- 1: 200mV/50,000 ohms, unbalanced *  Music on Hold 600 ohm line/1 Volt * 8 ohm/ 1 Watt * Mute Level Aux 1/Mic 2 >/= 40 dB * Power Supply 120 VAC, 50/60 Hz. * Rated Output Power 15 W RMS * S/N Ratio Mic- 1-2: Better than 55 dB * Aux- 1: Better than 70 dB * Tel: Better than 60 dB * Speaker Outputs 4 ohms, 8 ohms, 16 ohms, 25/70V line * Tone Controls Bass +/- 10 dB at 100 Hz.* Treble +/- 10 dB at 100 Hz. * Total Harmonic Distortion 1% or less at 1 kHz. * VOX Level Mic 1/Tel 0-40 dB adjustable


PBM-30 30W Contractor Series PA Amplifier $169 plus $12.95 flat rate shipping to lower 48 state

UL Listed. Our two channel contractor series mixer/amplifier is a 30 watt amplifier. It features an auto mute function, music on hold output with separate level control (600 ohm line and one watt 8 ohm), 600 ohm telephone line input with level control, bass/treble tone controls, front panel level controls, bass and treble tone controls, front panel level controls, and manual muting contacts. In addition to the telephone line input, this unit accepts inputs from two sound sources. Each source utilizes a microphone input (terminal strip). Source 1 also offers the option of an auto summing stereo auxiliary RCA input. Outputs include a choice of 4, 8, and 16 ohm as well as 70 and 25 volt line outputs. Rack (PBM-RK1) and wall (PBM-WK1) mounting kits are available (not included).

Technical Specifications Finish Black * Frequency Response Rate 50-15,000 Hz. +/- 3 dB * Input Sensitivity/Impedance Tel: 100mV/600 ohms, unbalanced * Mic-1-2: 1.0mV/600 ohms, balanced * Aux- 1: 200mV/50,000 ohms, unbalanced *  Music on Hold 500 ohm line/1 Volt * 8 ohm/ 1 Watt * Mute Level Aux 1/Mic 2 >/= 40 dB * Power Supply 120 VAC, 50/60 Hz. * Rated Output Power 30 W RMS * S/N Ratio Mic- 1-2: Better than 55 dB * Aux- 1: Better than 70 dB * Tel: Better than 60 dB * Speaker Outputs 4 ohms, 8 ohms, 16 ohms, 25/70V line * Tone Control Bass +/- 10 dB at 100 Hz. *  Treble +/- 10 dB at 100 Hz. *  Total Harmonic Distortion 1% or less at 1 kHz. * VOX Level Mic 1/Tel 0-40 dB adjustable


PBM-60 60W Contractor Series PA Amplifier $319 plus $14.95 shipping to lower 48 state

UL Listed. Our contractor series three channel mixer/amplifier is a 60 watt amplifier. It features an auto mute function, music on hold output with separate level control (600 ohm line and one watt 8 ohm), 600 ohm telephone line input with level control, bass/treble controls, front panel level controls, and manual muting contacts. In addition to the telephone line input, this unit accepts inputs from three sound sources. Each source can utilize a choice of microphone inputs (terminal strip) or auto summing stereo auxiliary RCA inputs. Mic 1 also contains an input for an XLR connector. Outputs include a choice of 4, 8, and 16 ohm as well as 70 and 25 volt line outputs. There is an auxillary output connection as well.

Technical Specifications Finish Black * Frequency Response Rate 50-15,000 Hz. +/- 3 dB * Input Sensitivity/Impedance Tel: 100mV/600 ohms, balanced * Mic- 1-3: 1.0mV/600 ohms, balanced * Aux- 1-3: 200mV/50,000 ohms, unbalanced * Music on Hold 600 ohm line/1 Volt * 8 ohm/ 1 Watt * Mute Level Aux 1-3/Mic 2 & 3 >/= 40 dB * Power Suppy 120VAC, 50/60 Hz. * Rated Output Power 60 W RMS * S/N Ratio Mic- 1-3: Better than 55 dB * Aux- 1-3: Better than 70 dB * Tel: Better than 60 dB * Speaker Outputs 4 ohms, 8 ohms, 16 ohms, 25/70V line * Tone Control Bass +/- 10 dB at 100 Hz. * Treble +/- 10 dB at 100 Hz. * Total Harmonic Distortion 1% or less at 1 kHz. * VOX Level Mic 1/Tel 0-40 dB adjustable


PMM-60A  60 Watt Public Address Mixer Power Amplifier $375 plus $14.95 flat rate shipping to any lower 48 state

UL LISTED, 60 Watt RMS; AC 120V, 50/60Hz; 50-15kHz; 6 MIC Inputs, 4 XLR Connectors (1.0mv/250 Ohms); 1 Aux Input (200mV 47K), 1 Telephone (0.1-1V 600 ohm); 4/8/16 ohms & 75/25 V Line Inputs, Music on Hold Features, Separate Bass and Treble Controls

Technical Specifications Wattage 60 Watt RMS * Mic Inputs 6 (1.0mV/600ohms) 4 XLR Connectors * Auxilliary Inputs 3 (200mV/50K Ohms) * Telephone Input 1 (100mV/600 Ohms) * Output 4/8/16 Ohms & 25/70V Line * Feature 1: Music on Hold * Feature 2: Separate Bass and Treble Controls * Freq. Response 50Hz- 15kHz

PMM-120A  120 Watt Public Address Mixer Power Amplifier $489 plus $18.95 flat rate shipping to lower 48 state

UL LISTED, 120 Watt RMS; AC 120V, 50/60Hz; 50-15kHz; 6 MIC Inputs, 4 XLR Connectors (1.0mv/250 Ohms); 1 Aux Input (200mV 47K), 1 Telephone (0.1-1V 600 ohm); 4/8/16 ohms & 75/25 V Line Inputs, Music on Hold Features, Separate Bass and Treble Controls.

Technical Specifications Wattage 120 Watt RMS *  Mic Inputs 6 (1.0mV/600 Ohms) 4 XLR Connectors  * Auxilliary Inputs 3 (200mV/50 k ohm) * Telephone Input 1 (100mV/600 Ohms) * Outputs 4/8/16 Ohms 25/70V Line * Feature 1: Music on Hold * Feature 2: Separate Bass and Treble Controls * Freq. Response 50Hz- 15kHz


PBM-120 120W Contractor Series PA Amplifier $422 plus $14.95 flat rate shipping to lower 48 state

UL Listed. Our contractor series three channel mixer/amplifier is a 120 watt amplifier. It features an auto mute function, music on hold output with separate level control (600 ohm line and one watt 8 ohm), 600 ohm telephone line input with level control, bass and treble tone controls, front panel level controls, and manual muting contacts. In addition to the telephone line input, this unit accepts inputs from three sound sources. Each source can utilize a choice of microphone inputs (terminal strip) or auto summing stereo auxiliary RCA inputs. Mic 1 also contains an input for an XLR connector. Outputs include a choice of 4, 8, and 16 ohm as well as 70 and 25 volt line outputs. There is an auxillary output connection as well.

Technical Specifications Finish Black *  Frequency Response 50 Hz. - 15,000 Hz. +/- 3 dB * Input Sensitivity/Impedance Tel: 100mv/600 ohms, balanced  * Mic- 1-3:1.0mV/600 ohms, balanced * Aux- 1-3: 200mV/50,000 ohms, unbalanced * Music on Hold 600 ohm line/1 Volt * 8 ohm/1 Watt * Mute Level Aux 1-3/Mic 2 & 3 >/= 40 dB * Power Supply 120VAC, 50/60 Hz. * Rated Output Power 120 W RMS * S/N Ratio Mic- 1-3: Better than 55 dB * Aux- 1-3: Better than 70 dB * Tel: Better than 60 dB * Speaker Outputs 4 ohms, 8 ohms, 16 ohms, 25/70V line * Tone Control Bass +/- 10 dB at 100 Hz. * Treble +/- 10 dB at 100 Hz. * Total Harmonic Distortion 1% or less at 1 kHz. * Vox Level Mic 1/Tel 0-40 dB adjustable


Speco PL260 commercial 260 watt 7 zone Public address amplifier $639  plus $18.95 flat rate shipping to lower 48 state MORE INFORMATION ON PLATINUM 260 WATT AMPLIFIER PL-260A

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Platinum Series 60 & 120 Watt 70 Volt Stereo Professional Amplifiers

PL-120SA $545

PL-60SA $445

The UL listed, 60 watt PL-60SA and 120 watt PL-120SA amplifiers are making 70-volt stereo sound a reality. They are quickly destroying the barriers of high-end, full stereo sound for commercial applications by incorporating both left and right channel RCA inputs and left and right 70-volt speaker line outputs. Speco Technologies is raising the bar for sound fidelity in commercial establishments that demand better sound atmosphere for premium content subscription services. Even more innovative, is the selector switch that ties into each input. (XLR microphone, left and right channel RCA inputs and telephone paging inputs) This allows each source to be sent selectively to the right, left or both channel speaker output lines thus making this a multi-source, multi-zone unit. These feature-rich amplifiers include XLR MIC connector with priority paging, RCA input terminals, 600-ohm input for telephone paging, RCA / Music-on-Hold outputs and 24V DC input for backup power supply. The addition of a 5-year limited warranty shows why Speco Technologies is an innovator in the commercial sound marketplace.

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CSi P-30FAP-30FA $309
30 Watts RMS PA Amp Digital
FM/AM Tuner with 30 Presets

P-30FA $309 plus  $14.95 flat rate Shipping  in lower 48 states

Professional 30 watt RMS PA amplifier featuring a digital FM/AM 30 station preset tuner, built-in telephone paging, voice activated priority page, music on hold, locking Cannon type XLR connector and 1/4"" MIC inputs, dual voltage 117/220V AC, 50/60Hz - rack mounting kit included

30 Watts RMS @ less than 1% THD, Frequency Response: 30 Hz - 20,000 Hz, Noise: Mic 60 dB / Aux 70 dB / Tuner FM 60dB/AM 50dB, Sensitivity: Mic .3mV / Aux 100mV, Inputs: 2 Mic Hi or Lo Z / , Unbalanced / 2 Aux, Outputs: 4, 8 Ohm / 25 & 70V line / Booster Tape, Controls: 2 Mic / Tuner / 1 Aux / Separate bass & treble / Master volume, Dimensions: 3¾"H x 16½"W x 12-3/8"D, Weight: 14 lbs. 8 oz


P-60FACD  60 Watt PA Amplifier with FM/AM Tuner and CD Player $584 Plus $14.95 flat rate shipping in lower 48 states

ALSO IN 30 WATT

P-30FACD • 30 WATTS RMS POWER PA Amplifier with FM/AM Tuner and CD PLAYER $519 Plus $14.95 flat rate shipping in lower 48 states

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UL LISTED, FM/Am Tuner with 8 Function CD Player; 60 Watt RMS/ 90 Watt Max; AC 115V/230V 50/60Hz, 60-15kHz; 4 MIC inputs (1mV; 250 ohm); 1 AUX Input (200mV 47K); 1 Telephone (.1-1V 600 ohm); 4/8/16 ohms & 25/75 V line Outputs; Music on Hold Feature; Separate Bass andFM/Am Tuner with 8 Function CD Player; 60 Watt RMS/ 90 Watt Max; AC 115V/230V 50

Technical Specifications Feature 1: 8 Function CD Player * Feature 2: FM/AM Tuner with Presets  * Feature 3: Music on Hold * Mic Inputs 4 (1mV; 250 ohms) *  Auxilliary Input 1 (200mV 47K) *  Telephone Input 1 (0.1-1V 600 ohms) * Outputs 4/8/16 Ohms 75/25V Line * Wattage 60 Watt RMS/ 90 Watt Max * Freq. Response 60Hz -15kHz

P-30FACD • 30 WATTS RMS POWER PA Amplifier with FM/AM Tuner and CD PLAYER $519 Plus $14.95 flat rate shipping in lower 48 states

UL LISTED, FM/Am Tuner with 8 Function CD Player; 30 Watt RMS/ 45 Watt Max; AC 115V/230V 50/60Hz, 60-15kHz; 4 MIC inputs (1mV; 250 ohm); 1 AUX Input (200mV 47K); 1 Telephone (.1-1V 600 ohm); 4/8/16 ohms & 25/75 V line Outputs; Music on Hold Feature; Separate Bass and FM/Am Tuner

Technical Specifications

Feature 1: 8 Function CD Player

Feature 2: FM/AM Tuner with Presets

Feature 3: Music on Hold

Mic Inputs 4 1mV; 250ohms * Auxiliary Input 1 200m 47K * Telephone Input 1 (0.1-1V 600 ohms) * Outputs 4/8/16 ohms & 70/25V Line * Freq. Response 60Hz-15kHz * Wattage 30 Watt RMS/ 45 Watt Max


P-60FACD  60 Watt PA Amplifier with FM/AM Tuner and CD Player $584 Plus $14.95 flat rate shipping in lower 48 states

UL LISTED, FM/Am Tuner with 8 Function CD Player; 60 Watt RMS/ 90 Watt Max; AC 115V/230V 50/60Hz, 60-15kHz; 4 MIC inputs (1mV; 250 ohm); 1 AUX Input (200mV 47K); 1 Telephone (.1-1V 600 ohm); 4/8/16 ohms & 25/75 V line Outputs; Music on Hold Feature; Separate Bass andFM/Am Tuner with 8 Function CD Player; 60 Watt RMS/ 90 Watt Max; AC 115V/230V 50

Technical Specifications

Feature 1: 8 Function CD Player

Feature 2: FM/AM Tuner with Presets

Feature 3: Music on Hold

Mic Inputs 4 (1mV; 250 ohms) *  Auxilliary Input 1 (200mV 47K) * Telephone Input 1 (0.1-1V 600 ohms) * Outputs 4/8/16 Ohms 75/25V Line * Wattage 60 Watt RMS/ 90 Watt Max * Freq. Response 60Hz -15kHz


PAW-80A High Powered, Portable Amplifier with VHF Mic System & CD Player $639

Qty: PAW-80A High Powered, Portable Amplifier with VHF Mic System $639 plus shipping

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Speco Technologies’ high-powered, VHF microphone system, portable amplifier offers performance, convenience and value for all you off-site meetings, school rallies and outdoor events.

Featuring 80 watts of power, the PAW-80A lets the communicator connect with audiences up to 2,000+ people while coming complete with two ¼” microphone connectors and ¼” auxiliary in and out connections.

With compact, state-of-the-art “Class D” amplifier technology, this lightweight amplifier is easy to transport and comes with a six-function CD Player for pre- and post-presentation entertainment. The presenter can have their choice of using a handheld OR lapel VHF wireless microphone (both included) on this single channel unit. An internal, rechargeable battery will allow 3+ hours of cordless use.

All of these features comes with one of the most aggressive price points in the industry for a mobile amplifier and a 5-year limited warranty which conveys why Speco Technologies is one of the best values for quality products in the marketplace.

• 80 Watts RMS

• Choice of Handheld or Lapel microphone (both included)

VHF Single Channel System (170~245MHz) FCC Compliant

• Six-function CD Player

• Internal, Rechargeable 12V DC Battery for Mobile Applications

• Two ¼” microphone input connections

• ¼” Auxiliary Input and Output Connections

• Priority Paging switch

• Frequency 50-15kHz (+/- 3dB)

• Bass and Treble controls

• 10.5” w x 16” h x 9.5” d

• 25.5 lbs. with carrying handle


Professional UHF Dual Channel, Diversity PLL Receiver for use with Speco Technologies MWHH-UHF & MWLP-UHF  ( the receiver does not come with a mic. You need to order 2 )

MWR-200UHF $209 plus $9.95 flat rate shipping to lower 48 state

Speco Technologies’ high-end UHF 128 frequency selectable PLL microphone line offers the high-end performance, reliability and simplicity of use.

The line, consisting of handheld and lapel microphone transmitters; single and dual channel receivers; allows the user to select and match their desired frequency on both transmitter and receiver units. This feature eliminates the need to maintain high inventory levels of similar units with locked frequencies as well as ensures that the end-user has a choice of clear interference-free channels of communication.

Complete with LCD programmable displays and pushbutton select controls, this state-of-the-art, UHF microphone system will provide crystal clear sound for roaming distances in excess of 300 feet.

• 128 Frequency-selectable channels for interference usage • Frequency range: 740-752MHz • LCD display with channel, frequency, RF and AF readings • 300+ ft. transmission • Ability to recharge MWHH-UHF/ MWLD-UHF microphones from receiver • Balanced XLR outputs • Connecting cable with XLR connectors included • Receiver Dimensions: 16 .5” W x 2” H x 7”D • Mounting brackets included • FCC Compliant


Professional UHF frequency-Selectable PLL HANDHELD Microphone

MWHH-UHF $99 with $8.95 flat rate shipping to lower 48 state

Speco Technologies’ high-end UHF 128 frequency selectable PLL microphone line offers the high-end performance, reliability and simplicity of use.

The line, consisting of handheld and lapel microphone transmitters; single and dual channel receivers; allows the user to select and match their desired frequency on both transmitter and receiver units. This feature eliminates the need to maintain high inventory levels of similar units with locked frequencies as well as ensures that the end-user has a choice of clear interference-free channels of communication.

Complete with LCD programmable displays and pushbutton select controls, this state-of-the-art, UHF microphone system will provide crystal clear sound for roaming distances in excess of 300 feet.

• 128 Frequency-selectable channels for interference usage • Frequency range: 740-752MHz  • Unidirectional, electret condenser handheld microphone • LCD display with channel and battery life readings • Ability to recharge with MWR-100/200UHF receivers • Dimensions: 2 .5” W x 11” H • FCC Compliant


Professional UHF frequency-Selectable PLL Lapel Microphone

MWLP-UHF $99 plus $8.95 flat rate shipping to lower 48 state

Speco Technologies’ high-end UHF 128 frequency selectable PLL microphone line offers the high-end performance, reliability and simplicity of use.

The line, consisting of handheld and lapel microphone transmitters; single and dual channel receivers; allows the user to select and match their desired frequency on both transmitter and receiver units. This feature eliminates the need to maintain high inventory levels of similar units with locked frequencies as well as ensures that the end-user has a choice of clear interference-free channels of communication.

Complete with LCD programmable displays and pushbutton select controls, this state-of-the-art, UHF microphone system will provide crystal clear sound for roaming distances in excess of 300 feet.

• 128 Frequency-selectable channels for interference usage • Frequency range: 740-752MHz • Unidirectional, electret condenser lapel microphone • Mini XLR connection to lapel microphone cord • Belt clip for fastening • LCD display with channel and battery life readings • Gain control dial • Ability to recharge with MWR-100/200UHF receivers • Dimensions: 2 .5” W x 4” H x 1”D • FCC Compliant


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MW-HSLC $39.95



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MCBM-300 PROFESSIONAL BOUNDRY MIC $109 plus $8.95 flat rate shipping to lower 48 state

MCDT-200 TABLE CONFERENCE MIC DISCONTINUED USE MCDT-300

MCDT-300 PROFESSIONAL TABLE CONFERENCE MIC $55 plus $8.95 flat rate shipping to lower 48 state
MCGN-100 INDUSTRIAL GOOSENECK MIC $35 plus $8.95 flat rate shipping to lower 48 state
MCGN-300 PROFESSIONAL GOOSENECK MIC $39 plus $8.95 flat rate shipping to lower 48 state
MCHH-100 HANDHELD DYNAMIC MIC $29 plus $6.95 flat rate shipping to lower 48 state
MCHH-200 PROFESSIONAL HANDHELD DYNAMIC MIC $29 plus $6.95 flat rate shipping to lower 48 state
MCHH-300 PROFESSIONAL CONDENSOR MIC $69 plus $8.95 flat rate shipping to lower 48 state
MCHM-300 PROFESSIONAL HANGING MIC $119 plus $8.95 flat rate shipping to lower 48 state
MCPP-100 MIC PHANTHOM POWER ADAPTOR $65 plus $8.95 flat rate shipping to lower 48 state


SPECO AUDIO INSTALLATION BOOK

COMMERCIAL audio overview

What is a 70 Volt Sound System & what is it used for?

A 70 Volt Sound System is comprised of amplifiers, speakers with transformers, microphones, volume controls, a telephone system interface and an assortment of wires used as connections. It is generally used for commercial sound applications where there is a necessity for electronically amplifying and distributing sound for the functions of paging, playing music and/or pre-recorded messages to a commercial environment.

What are the components that make up a 70 Volt Sound System?

Centralized Amplifier: The central unit of a 70 Volt System is the amplifier that amplifies the sound signal to be distributed to pre-established speakers or paging horn loudspeakers. There are power amplifiers, which are rack-mountable and have no external controls, and packaged amplifiers, which have pre-amp features such as volume controls, bass and treble controls, etc., that are built into the amplifier to make it a pre-amplifier and amplifier all in one unit. Amplifiers have many diverse features and many input and output connections. They can feature XLR MIC Connectors or MIC terminal strip connections, auxiliary/RCA inputs for music sources, and 600 ohm telephone inputs. Most commercial amplifiers have speaker outputs for 4/8/16 ohms and 70V systems. Most Speco Technologies amplifiers offer a ‘Music on Hold’ output feature to allow customers on hold to hear music or prerecorded advertising.

Speakers: There are several different types of speakers including in-ceiling, in-wall, baffle and flush-mount cone speakers or horn loudspeakers. Optimal speaker selection for each installation can depend on the application the speaker is needed for. It can also depend upon the area that is needed to be covered, the ambient noise level of the environment, whether the application for the speaker will be foreground/background music or voice, and whether the speaker will be used indoor or outdoor. For commercial applications in a 70 Volt System, the speaker must have a transformer mounted on it to be used.

TRANSFORMERS: The transformers that are used on 70 Volt System speakers are step-down transformers that convert the high-voltage/low-current coming from the amplifier to the low-voltage/high-current signal that makes the speaker work. Each transformer usually has multiple wattage taps so that each speaker can be individually set as to how much wattage will enter the speaker, and, because of this, how loud each speaker will be. The benefits of using transformers are listed on the next page. Transformers can be sold individually to be mounted on a speaker or premounted already on a speaker.

Phone System Interface Device: TLT-1   These systems are used to connect a phone system to the speaker system via the amplifier for paging purposes.

Microphones: Located in the front end of the system to receive the delivered sound, microphones are low impedance devices that require a shielded cable so as to not to interfere with the amplifier or speaker wires.

• Wires: Generally speaking, :SPEAKER wire is determined by the length of the run and wattage utilized:

For wire runs less then 50 ft. and 50 Watts of power or less use 16 wire gauge.

For wire runs more than 50 ft. or over 50 Watts of power use 14 gauge wire.

Volume Controls , Attenuators, L-Pads: Allows adjustment of volume to speakers.

What are the Benefits of Using a 70 Volt Sound System?

• A 70 Volt System uses a basis of high voltage to result in a lower current when distributing power to a sound system. Since Power equals Voltage times Current, a higher voltage will result in a lower current needed to arrive at a desired power load. This prevents long runs of wire from getting overheated by not having excessive, wasted current. This makes 70 Volt Systems very energy efficient. Many municipalities in America actually require the use of 25 Volt transformers because the municipalities' electrical codes classify a 25 Volt system as low voltage, thus making it safer.

• Generally speaking, 70 Volt Systems are much more cost efficient than an 8 ohm speaker system when dealing with the volume installation of speakers.

• 70 Volt Systems are easier to design than 8 ohm speaker systems. The designer does not have to worry about keeping the impedance matched throughout their speaker system as they would on an 8 ohm based system. 70 Volt Systems can have their speakers daisy chained in parallel together without worry. Because 70 Volt speakers come with transformers, impedance is not an issue unless an extreme amount of speakers are installed together. (It is recommended to use multiple wire runs back to your amplifier as opposed to a single run.) This will make locating problems that occur easier to find by isolating it on individual small speaker runs where it can be quickly located.

Also it is an easy calculation in determining the amount of wattage needed by your amplifier. You will take the total wattage

 equirement of your 70 Volt speakers, or "load", and include a 20% safety buffer to the upside arriving at the minimum RMS wattage your amplifier should have.

• 70 Volt Systems allow you to set the volume of each individual speaker by letting you customized the wattage taps on the speakers for the specific volume needed in your specific sound area. The higher the wattage taps are set on individual speakers, the more power the speaker consumes, the louder the speaker will be. The transformer on the speaker also serves as a safeguard to make sure individual speakers are not ruined by excessive wattage.

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SPEAKERS:

More information on Home speaker Speakers

more information on in wall speakers

DREAM SERIES  ARCHITECTURAL IN WALL & IN CEILING SPEAKER SYSTEM

IN WALL ENCLOSED SPEAKER SYSTEMS SP-525BB, SP625BB and SP825BB

More info on Recessed and Flush Grill Speakers

PAGE #24  MIC STANDS, MINI SPEAKERS & OEM REPLACEMENT SPKS, STROBES, MIC MIXERS, MIC & AUTO ACCESSORIES, EAR PHONES, LINE FILTERS

PAGE #25  WIRELESS MICROPHONES, PORTABLE WIRELESS PA AMPLIFIER, MICROPHONES. NEW OTHER WIRELESS MICROPHONES

PAGE #26  WEATHERPROOF PA SPEAKER HORNS

PAGE 26A BACKGROUND 8"SPEAKERS

PAGE #27  DRIVERS & PROJECTION HORNS, SIREN & SECURITY SPEAKERS

PAGE #27A WEATHER RESISTANT SPEAKERS WITH 25V & 70V TRANSFORMERS ALSO WALL BAFFLE SPEAKERS , 12 IN, 10 IN, 8 IN SPEAKERS

PAGE #28  COMMUNICATION SPEAKERS & MEGAPHONES just MEGAPHONES

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STARK ELECTRONIC

444 FRANKLIN ST. WORCESTER, MA.01604

CALL 508-756-7136 FAX 508-756-5752 MON-FRI 8:30-5PM EASTERN TIME

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