Kramer SPK-C411 User Manual Download Page 16

Page: 16 / 20

SPK-C411 / SPK-C412 - Technical Specifications

SPK-C412

Audio and Power

DESCRIPTION:

2-way ceiling speakers with metal back can

HIGH FREQUENCY DRIVER:

1/2" MYLAR dome tweeter

LOW FREQUENCY DRIVER:

4” Polypropylene cone with rubber edge woofer

IMPEDANCE:

DISPERSION COVERAGE:

- 100° @(2000Hz)

CROSSOVER FREQUENCY:

6000Hz

NOMINAL SENSITIVITY:

84dB SPL @1m, 1W

DIRECTIVITY FACTOR (Q):

5.7 (averaged 100Hz-10kHz); 6.8 (2kHz)

DIRECTIVITY INDEX (DI):

6.5dB (averaged 100Hz-10kHz); 4.8dB (2kHz)

FREQUENCY RESPONSE:

75Hz to 20kHz

INPUT POWER:

30W RMS; max. 40W, continuous load (24hr) 30W

TRANSFORMER:

70V – 3.7W/7.5W/15W/30W

100V – 7.5W/15W/30W

RECOMMENDED AMPLIFIER

POWER:

20W

INPUT CONNECTOR:

Terminal block

Shipping and Installation

WEIGHT PER SINGLE SPEAKER:

2.75kg (6.06lbs) approx.

SHIPPING WEIGHT (FOR PAIR):

7.9kg (17.42lbs) approx.

DIMENSIONS (OD):

25.1cm (9.88")

CUT OUT SIZE (MOUNT

DIMENSION):

22.3cm (8.78")

MOUNT DEPTH:

11cm (4.33")

ACCESSORIES:

Ceiling mounting kit

Specifications are within a 10% tolerance and are subject to change without notice at

http://www.kramerelectronics.com

Summary of Contents for SPK-C411

Page 1: ...KRAMER ELECTRONICS LTD USER MANUAL MODELS SPK C411 Closed back Ceiling Speakers SPK C412 Closed back Ceiling Speakers P N 2900 300188 Rev 1 ...

Page 2: ...This page is intentionally left blank ...

Page 3: ...1 SPK C412 Speakers 7 5 4 Painting the Speaker 10 6 Technical Specifications 11 Figures Figure 1 SPK C411 SPK C412 Closed back Ceiling Speakers in a Boardroom Setup 3 Figure 2 SPK C411 SPK C412 Closed back Ceiling Speaker 4 Figure 3 Closed back Ceiling Speaker Schematic Diagram 5 Figure 4 Mounting the SPK C411 SPK C412 Closed back Ceiling Speakers 7 Figure 5 Plugging and Securing the Cable 8 Figur...

Page 4: ...This page is intentionally left blank ...

Page 5: ...l Systems GROUP 4 Format Standards Converters GROUP 5 Range Extenders and Repeaters GROUP 6 Specialty AV Products GROUP 7 Scan Converters and Scalers GROUP 8 Cables and Connectors GROUP 9 Room Connectivity GROUP 10 Accessories and Rack Adapters and GROUP 11 Sierra Products Congratulations on purchasing your Kramer SPK C411 and SPK C412 Closed back Ceiling Speakers which are ideal for the following...

Page 6: ... good quality connection cables such as the Kramer BC 2S to avoid interference deterioration in signal quality due to poor matching and elevated noise levels often associated with low quality cables Do not secure the cables in tight bundles or roll the slack into tight coils Avoid interference from neighboring electrical appliances that may adversely influence signal quality Position your Kramer S...

Page 7: ...s via a ceiling mounting kit used to safely secure the speakers to the ceiling The speakers are defined in the following table Name Diameter Impedance Ω Closed back Depth SPK C411 4 4 4 SPK C412 4 8 4 Figure 1 shows an example of how the SPK C411 SPK C412 Closed back Ceiling speakers can be installed in a boardroom setup Figure 1 SPK C411 SPK C412 Closed back Ceiling Speakers in a Boardroom Setup ...

Page 8: ...Speaker The following table defines the Closed back Ceiling speaker hardware items per speaker pair for each model in the series Description A pair of ceiling speakers one shown Two grilles one shown Cutout template This table defines the ceiling mounting kit items Four support ring screws Two ceiling support rings C ring one shown Two pairs of tile rails one of a pair shown ...

Page 9: ...nting onto the ceiling tiles use both supports When mounting onto a sheetrock ceiling the C ring alone is used to reinforce the ceiling material Be sure that the tiles can support the speaker Smaller sized tiles or fiberglass type tiles cannot support the weight of the speakers When this is the case the speakers will need additional support Figure 3 shows a schematic diagram of the Closed back Cei...

Page 10: ...h space behind the mounting surface for the speakers The rear side of the speaker is not blocked by wall studs or other objects 5 2 Cutting the Ceiling Tile To cut the ceiling tile do the following 1 Remove the circle in the supplied template Keep this template for later use as a mask as you may want to paint the speakers see Section 5 4 2 Mark the opening in the correct location by tracing the ho...

Page 11: ... mounting onto the ceiling tiles use both supports Be sure that the tiles can support the speaker Smaller sized tiles or fiberglass type tiles cannot support the weight of the speakers When this is the case the speakers will need additional support When mounting onto a sheetrock ceiling the C ring alone is used to reinforce the ceiling material 5 3 Mounting the SPK C411 SPK C412 Speakers To mount ...

Page 12: ...ct the speakers in the two following possible layouts Wiring in parallel connect the wire pair of the subsequent speaker to PIN 2 and PIN 3 When one input connector is removed subsequent speakers will remain connected see Figure 3 Daisy chaining connect the wire pair of the subsequent speaker to PIN 1 and PIN 4 When one input connector is removed subsequent speakers will be disconnected see Figure...

Page 13: ...he tabs automatically turn outward thus clamping the speaker to the wall from its rear side Note Do not over tighten the screws It may cause damage to both the speakers and the surface Figure 6 Tighten the Mounting Tabs 9 If required you can further secure the speaker by connecting the speaker support ring to an independent secure anchor point 10 Adjust each speaker to the appropriate tap setting ...

Page 14: ...he perimeter of the grille until it is completely removed 5 4 Painting the Speaker You can paint the speakers before or after they are installed When painting before installation Clean the rim and grille with mineral spirits or other light solvent that is unlikely to damage the surface Spray with color by holding the spray can at an angle of 45 When spraying the grille take care not to clog the ho...

Page 15: ... 2kHz DIRECTIVITY INDEX DI 6 5dB averaged 100Hz 10kHz 4 8dB 2kHz FREQUENCY RESPONSE 75Hz to 20kHz INPUT POWER 30W RMS max 40W continuous load 24hr 30W TRANSFORMER 70V 3 7W 7 5W 15W 30W 100V 7 5W 15W 30W RECOMMENDED AMPLIFIER POWER 20W INPUT CONNECTOR Terminal block Shipping and Installation WEIGHT PER SINGLE SPEAKER 2 75kg 6 06lbs approx SHIPPING WEIGHT FOR PAIR 7 9kg 17 42lbs approx DIMENSIONS OD...

Page 16: ...ITY INDEX DI 6 5dB averaged 100Hz 10kHz 4 8dB 2kHz FREQUENCY RESPONSE 75Hz to 20kHz INPUT POWER 30W RMS max 40W continuous load 24hr 30W TRANSFORMER 70V 3 7W 7 5W 15W 30W 100V 7 5W 15W 30W RECOMMENDED AMPLIFIER POWER 20W INPUT CONNECTOR Terminal block Shipping and Installation WEIGHT PER SINGLE SPEAKER 2 75kg 6 06lbs approx SHIPPING WEIGHT FOR PAIR 7 9kg 17 42lbs approx DIMENSIONS OD 25 1cm 9 88 C...

Page 17: ......

Page 18: ...This page is intentionally left blank ...

Page 19: ...This page is intentionally left blank ...

Page 20: ...isit our Web site where updates to this user manual may be found We welcome your questions comments and feedback Web site www kramerelectronics com E mail info kramerel com P N 2900 300188 Rev 1 SAFETY WARNING Disconnect the unit from the power supply before opening and servicing ...

Search results

Summary of Contents for SPK-C411

Reviews:

Related manuals for SPK-C411

Brands by name

Popular brands

Kramer SPK-C411, User Manual

Search results

Summary of Contents for SPK-C411

Reviews:

Related manuals for SPK-C411

Brands by name

Popular brands