
3.0"
Loudspeaker mount is 
a #8-32 tapped hole, 
center rear of device
GENERAL PURPOSE
REPLACEMENT
INDIVIDUAL LOUDSPEAKER
2.0"
2.5"
Options
None 
None 
None
None 
None 
None
3" x 5"
Magnet Material,
Weight (oz.)
Alnico, 0.52
Alnico, 0.52 
Ceramic, 2.35 
Ceramic, 2.35
Alnico, 0.52
Alnico, 0.52 
Ceramic, 2.35 
Ceramic, 2.35 
Ceramic, 2.35
Depth (in)
1.090
1.090
1.090
1.090
1.242
1.242
1.190
1.190
1.190
4.0"
 Model 
Number
2.0" Round 20A0Z8 300 Hz - 6 kHz 1W 8-Only None Alnico, 0.52 0.940
2.5" Square
2.5" Square
2.5" Square
2.5" Square
3.0" Square
3.0" Square
3.0" Square
3.0" Square
3.0" Square
3.0" x 5.0" Oval 35A05Z8 130 Hz - 14 kHz 1W 8- Only None Alnico, 0.52 1.190
25A07Z8 
25A07Z45 
25C25Z8OT 
25C25Z45OT
30A05Z8 
30A0Z45 
30C25Z8 
30C25Z8OT 
30C25Z45OT
Frequency
Response
150 Hz - 12 kHz 
150 Hz - 12 kHz 
200 Hz - 6 kHz 
200 Hz - 6 kHz
150 Hz - 12 kHz 
150 Hz - 12 kHz 
150 Hz - 14 kHz 
300 Hz - 10 kHz 
300 Hz - 10 kHz
Power 
Handling¹
2W 
2W 
4W 
4W
2W 
2W 
2W 
4W 
4W
Impedances
Available
8
45
8
45
8
45
8-Only
8
45
Cone Finish 
Weather-Resistant
Weather-Resistant 
Weather-Resistant
4.0" Square
4.0" Square
4.0" Square
4.0" Square
4A1Z8 
4A1Z45 
4C3Z8OT 
4C5Z8
200 Hz - 12 kHz 
200 Hz - 12 kHz 
130 Hz - 9 kHz 
120 Hz - 15 kHz
3W
3W 
10W 
10W
Loudspeaker Power Rating 
¹
 per EIA 426A
8
45 
8-Only 
8-Only
None 
None
Weather-Resistant
None
Alnico, 0.52
Alnico, 0.52 
Ceramic, 4.8 
Ceramic, 4.8
QUAM-NICHOLS COMPANY
234 East Marquette Road, Chicago IL 60637 
Phone: (800) NEED NOW Fax: (888) NEED NOW 
       (800) 633-3669        (888) 633-3669            
E-Mail: NeedNow@QNC.com   www.QuamSpeakers.com  
© 2012 Quam-Nichols Company, Quam- Nichols reserves the right to make changes and/or improvements to its products at any time and without notice.    T0204_GENERALPURPOSE_12SE01
1.465
1.465
1.465
1.465
Since 1930