Radio Shack 40-1024A User Manual

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40-102 4a .fm Page 1 Tuesday, August 10, 1999 1:02 PM

8" Polypropylene Cone Woofer

Your Radio Shack 8" Polypropylen e
Cone Woofer lets you increase the
bass response of your sound sys­tem, whether it is a home or car, ste­reo or monaural system.

FEATURES

Light, Rigid, Polypropylene Cone

— extra-durable, long-life cone re­sists effects of moisture and tem per­ature extremes, and withstands
greater stress at high volume levels.

Rolled Urethane Foam Surround

— minimizes distortion and im­proves clarity.

Lon

-Thr ow V oic e Co il

clean, solid sound.

— delivers

MOUNTING

You can install the woofer from the
front or back of an enclosure so it is
flush with the baffle’s surface. Seal
the mounting surface so air cannot
leak around the woofer.

For details, see our “Building Speak­er Systems” book (not supplied),
available at your local Radio Sh ack
store.

Cat. No.

40-1024A

©

1996 Tandy Corporation.

Radio Shack is a registered trademark used by Tandy Cor poration.

All Rights Reserved.

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40-102 4a .fm Page 2 Tuesday, August 10, 1999 1:02 PM

SPECIFICATIONS

Nominal Impedance .................................................................................................................8 ohms

Frequency Response ...................................................................................................35 Hz-3000 Hz

Free Air Resonance (Fs) Fre qu ency ................................ ................ ............... ............... ............ 35 Hz

Infinite Baffle Resonance Frequency ......................................................................................... 33 Hz

Piston Area (SD) ......... .... ............... ............... ................ ............... ............... ............... .... .....0.0214 m

Power Handling..................................................................................................................50 W RMS

Maximum Power........................................................................................................................ 100 W

Flux Density (BL)...........................................................................................................................6.77

DC Voice Coil Resistance (RE, ohms) ..................................................................................6.6 ohms

Voice Coil Inductance (LVC at 1 kHz) ....................................................................................0.93 mH

Equivalent Air Volume (Vas) ............... ............... .... ............... ................ ............... ............... . 2.7 ft

SPL.......................................................................................................................... 87ð ±2 db/1W/1m

Moving Mass (Mms).................................................................................................................18.38 g

Electrical Q Factor (QES)..............................................................................................................0.57

Mechanical Q Factor (QMS)..........................................................................................................3.46

Total Q Factor................................................................................................................................0.49

Equivalent Aco u stic Volume (VAS). .... .... .... ............... ............... ............... ................ ............... ..... 76.3 l

Mechanical Suspension Compliance (CMS, UM/N)......................................................1174.63 UM/N

Mechanical Mass of Cone Assembly and Free Air Load..........................................................18.35 g

Mechanical Mass of Cone Assembly Only...............................................................................16.55 g

Peak-to-Peak (Maxim u m) Line ar Excu rsion.............. .... ... .... .... .... ............... .... ............... .... ....2.35 mm

Cutout.................. ................ ............... ............... ............... ................ ............... ......... 7 Inches/17/8 cm

Depth...................................................................................................................... 3

Magnet Weight ........................................................................................................................9.97 oz.

Speaker Weight.......................................................................................................................33.3 oz.

Specifications are typical; individua l units m ight vary. Specifications are s ub ject
to chan

e and improvement without notice.

1

/8 Inches/8.0 cm

3

/76 l

2

RADIO SHACK

A Division of Tandy Corporation

Fort Worth, Texas 76102

6A6 Printed in China