Valcom V-1921 User manual

Issue 1

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V-1921

8” AMPLIFIED SPEAKER WITH SQUARE FACEPLATE

INTRODUCTION

The V-1921 8” Amplified Speaker with Square

Faceplate is self-amplified and capable of

reproducing voice paging as well as background

music. The volume adjustment is located on the

speaker, requires -24VDC, 50mA and the amplifier

is rated for one-watt.

DIMENSIONS/WEIGHT

11.5” H x 11.5” W x 3.7” D

(29.2 cm x 29.2 cm W x 11.4 cm)

Weight: 3.2 LBS (1.45 kg)

Environment

Temperature: 0 to +40° C

Humidity: 0 to 85% non-precipitating

Mounting

Valcom offers three backboxes (not included) for

mounting the V-1921 speaker. The VB-S11

(surface mount), VB-A13 (angled surface mount)

and VB-R12 (recess mount) are all designed to fit

the V-1921. Mount the backbox according to the

instructions provided with the backbox. After

mounting the backbox, connect the cable to the

screw terminals on the amplifier. Mount the

speaker baffle to the backbox with the hardware

provided.

IMPORTANT SAFETY INFORMATION

CONSIGNES DE SÉCURITÉ IMPORTANTES

1. Read these instructions.

Lisez ces instructions.

2. Keep these instructions.

Conservez ces instructions.

3. Heed all warnings.

Respecteztous les avertissements.

4. Follow all instructions.

Suivez toutes les instructions.

5. Do not use this apparatus near water.

Ne pas utiliser cet appareil près de l'eau.

6. Clean only with dry cloth.

Nettoyer avec un chiffon sec.

7. Do not block any ventilation openings. Install in accordance with the manufacturer’s

instructions.

Ne pas bloquer les ouvertures de ventilation. Installer formément aux instructions du

fabricant.

8. Do not install near any heat sources such as radiators, heat registers, stoves or other

apparatus (including amplifiers) that produce heat.

Ne pas installer à proximité de sources de chaleur telles que radiateurs, registres de

chaleur, poêles ou autres appareils (y compris les amplificateurs) produisant de la chaleur.

9. Do not defeat the safety purpose of the polarized orgrounding-type plug. A polarized plug

has two blades with one wider than the other. A grounding type plug has two blades and a

third grounding prong. The wide blade and the third prong are provided for your safety. If

the provided plug does not fit into your outlet consult an electrician for replacement of the

obsolete outlet.

Ne pas contourner le dispositif de sécurité de la fiche polarisée ou de mise à la terre. Une

fiche polarisée possède deux lames dont une plus large que l'autre. Une fiche de terre a

deux lames et une troisième broche de mise à la terre. La lame large et la troisième

broche sont fournies pour votre sécurité. Si la fiche fournie ne rentre pas dans votre prise,

veuillez consulter un électricien pour le remplacement de la prise obsolète.

10.Protect the power cord from being walked on or pinched particularly at plugs, convenience

receptacles and the point where they exit from the apparatus.

11.Only use attachments/accessories specified by the manufacturer.

N'utilisez que des fixations / accessoires spécifiés par le fabricant.

12. Use only with the cart, stand, tripod, bracket or table specified

by the manufacturer or sold with the apparatus. When a cart is

used, use caution when moving the cart/apparatus combination

to avoid injury from tip-over.

Utilisez uniquement avec le chariot, stand, trépied, support ou table spécifié par le

fabricant ou vendu avec l'appareil. Quand un chariot est utilisé, Soyez prudent lorsque

vous déplacez l'ensemble chariot / appareil pour éviter des blessures dues au

renversement.

13. Unplug this apparatus during lightning storms or when unused for a long period of time.

Débranchez cet appareil pendant les orages ou lorsqu'il n'est pas utilisé pendant une

longue période detemps.

14. Refer all servicing to qualified service personnel. Servicing is required when the

apparatus has been damaged in any way. Such as when the power supply cord or plug is

damaged, liquid has been spilled, objects have fallen into the apparatus or the

apparatus has been exposed to rain or moisture and does not operate normally or has

been dropped.

Confiez toute réparation à un personnel qualifié. Une réparation est nécessaire lorsque

l'appareil a été endommagé de quelquefaçon. Par exemple lorsque le cordon

d'alimentation oula fiche est endommagé, du liquide a été renversé, si des objets sont

tombés dans l'appareil ou le appareil a été exposé à la pluie ou à l'humidité et ne

fonctionne pas normalement ou s'il est tombé.

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Page

Out

Valcom Page

Control

(Tip/A)

(Ring/B)

(-24VDC)

(Gnd)

Valcom -24VDC

Power Supply

One-Way

Amplified

Speaker

FIGURE 1: TYPICAL CONNECTIONS

NOTE: Do not connect this speaker directly to a

25/70/100 Volt amplifier as damage to both the

amplifier and speaker may occur.

A V-1095 may be used to allow the use of

Valcom self-amplified speakers on 70V speaker

lines.

TROUBLESHOOTING CHART

SYMPTOMS

ACTIONS

1. No audio from speaker

1a. Check that volume control is turned up (Clockwise).

1b. Using a lineman's test set, check for the proper audio level on the

Tip and Ring leads and if necessary also at the source.

2. Low volume from speaker

2a. Check that volume control is turned up.

2b. Check voltage at the speaker assembly when in use, -18 to

-24VDC required.

2c. Using a lineman's test set, check for the proper audio level on Tip

and Ring leads. It is possible that some low-level audio will be

heard with only one side of Tip and Ring connected.

3. Loud squeal (Feedback)

3a. Turn down (Counter-clockwise) volume of the speaker.

3b. Increase the distance between the telephone and speaker.

3c. Install a noise canceling handset on the telephone in severe

problem areas.

3d. Add a V-9964, Digital Feedback Eliminator.

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VB-A13

VB-R12

VB-S11

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TECHNICAL ASSISTANCE

When trouble is reported, verify power is being

supplied to the unit and there are no broken

connections. If a spare unit is available, substitute

a spare unit for the suspected defective unit.

Assistance in troubleshooting is available from the

factory. Call (540) 563-2000 and press 1 for

Technical Support or visit our website at

http”//www.valcom.com

Valcom equipment is not field repairable. Valcom,

Inc. maintains service facilities in Roanoke, VA.

Should repairs be necessary, attach a tag to the

unit clearly stating your company name, address,

phone number, contact person and the nature of

the problem. Send the unit to:

Valcom, Inc.

Repair & Return Dept.

5614 Hollins Road

Roanoke, Va. 24019-5056

Information provided is subject to change

VALCOM LIMITED WARRANTY

Valcom, Inc. warrants its products only to the original purchaser, for its own use, 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. This Limited Warranty obligation shall be limited to the replacement, repair or refund

of any such defective device within the warranty period, provided that:

1. inspection by Valcom, Inc. 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 altered in any way or 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 Valcom 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 Limited Warranty is in lieu of and excludes all other warranties, expressed or implied and in no event shall Valcom, Inc. be liable for any

anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in connection with the purchase, operation,

maintenance, installation, removal or use of the product. The maximum liability of Valcom under this warranty is limited to the purchase price of the

specific Product covered by the warranty.

Disclaimer. Except for the Limited Warranty provided herein, the product is provided “as-is” without any warranty of any kind whatsoever including, without

limitation, any WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.

This warranty specifically excludes damage incurred in shipment. In the event a product is received in damaged condition, the carrier should be notified