ALTEC LANSING CF108-4TWG Speaker user manual

SAFETY CONSIDERATION

ARCHITECTS & ENGINEERS SPECIFICATION

The loudspeaker shall be an Altec Lansing Professional CF108-4T

/ CF108-4TWG with an 8 inch (200 mm) full-range speaker with acoustically isolated free-edge HF cone and corrosion-resistant frame. The speaker shall have a power rating of 8 W EIA / 32

W peak. The frequency response shall be 82 to 17,000 Hz +/5dB with a sensitivity of 98 dB @ 1 W 1 m. The model numbers shall be Altec Lansing Professional CF108-4T with a 4 Watt 25

V/70 V factory-installed transformer, and a CF108-4TWG with a 4 Watt 25 V/70 V transformer and factory-installed corrosion resistant round, white metal grille. All transformers shall have a low < 1.0 dB insertion loss.

ENCLOSURES AND BAFFLES

The CF108-series ceiling speakers will fit on standard

8 inch (200 mm) baffles, enclosures and back boxes.

1. Appropriate connectors with suitable ratings must be used to make all installation connections.

2. All unused taps must be insulated with suitable insulation.

3. Transformers and speaker combinations must be supplied by a suitable amplifier incorporating ungrounded outputs only and reinforced insulation (as per IEC60065) from output

ACCESSORIES

Altec Lansing recommends use of our 8 inch (200 mm) round and square metal enclosures, grilles and tile bridge. The CF108

Series will also fit on standard industry ceiling speaker

All measurements were made in a standard AES baffle for a 12 inch driver. The driver was housed in a 1.0 ft3 (0.028 m3) enclosure.

Please note that larger volume enclosures will result in altered low frequency performance.

Frequency Response (1 W 1 m on-axis)

Q & Directivity Index

MOUNTING DIMENSIONS

CF108-4T71

8.07 in (205 mm)

3.31 in (84 mm)

CF108-4TWG/

CF108-4T71WG

12.87 in (327 mm)

3.39 in (86 mm)

One Octave Polar Response Charts

6 dB/Division

As we are continually striving to improve Altec Lansing products, specifications are subject to change without notice.

TRANSFORMER CHART

Utility 4 W

Transformer

Primary Taps

Utility 8 W

Transformer

Primary Taps

Primary Tap

Color Code

Primary Tap

Color Code

Primary Tap

Color Code

Primary Common

WIRING DIAGRAM (CF108-4T/CF108-4TWG)

WHITE LEAD