Datasheet
22
*WIRING DIAGRAM
FOR 25-341, 25-342A,
25-352, 25-353, 25-452,
25-453
25-351 10 WATT 70 VOLT AUDIO LINE ATTENUATOR -MONO
25-351A 10 WATT 8
W
AUDIO LINE ATTENUATOR -MONO
Flush mount auto transformer type. Fits into standard single gang box or ring. Excellent for
use in home, paging and background music systems. Features a 10-position volume selector
switch with 3dB step attenuation and a positive off position. Complete with stainless steel
mounting plate, knob, with terminal block connectors. Depth 2
1
/8"
. First 2 steps are 6dB,
others are 3dB.
(- )
25-339 10 WATT 8
W
AUDIO LINE ATTENUATOR - STEREO
25-339A 10 WATT 70 VOLT AUDIO LINE ATTENUATOR - STEREO
Same as 25-351 (Stereo Version). 10 Watt-70 Volt. Dimensions: 2
1
/2
" deep x 2
1
/2
" high x 2" width
(less shaft and knob).
25-357 20 WATT 8
W
AUDIO LINE ATTENUATOR - STEREO
25-357A 20 WATT 70 VOLT AUDIO LINE ATTENUATOR - STEREO
25-360
70 WATT 8
W
AUDIO LINE ATTENUATOR - STEREO
12 step design, each step being 3dB. The last 4 steps are 6dB each. 70 watts per channel, 150
watts peak. White insert and knob with pointer. Accepts up to 14 awg cable. Removable terminal
blocks cable installation. 2.7” deep.
25-354 25 WATT 8
W
STEREO ATTENUATOR
Single-gang box mount
25-355 40 WATT 8
W
STEREO ATTENUATOR
Click type attenuators with isolation transformers. 3 dB (10) step attenuation. Comes with terminal
block connectors. White insert and knob with pointer. Accepts up to 14 awg cable. 2.3” deep.
Single-gang box mount.
Commercial or Residential Use
CALRAD
25 Series - Speaker Attenuators
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