10/25/2018
Audio Open Frame (149 Series) - Hammond Mfg.
Quality Products. Service Excellence.
Audio Open Frame
149 Series
PC Board Mount
Features
Pin type (0.25" length & 0.025" square), P.C. board mount.
Economical, open type, horizontal bracket construction.
Includes clinching lugs for extra mounting strength.
Frequency response 200 Hz. - 15 Khz. (+/- 1 db, ref. @ 1 Khz.).
Total distortion approximately 2% for drivers and 1% for outputs at 200 Hz.,
decreasing at higher frequencies.
Insertion loss less than 1/2 db.
Bifilar wound for balanced capacitive and resistance characteristics, on pin
bobbins for standard 0.2" grid pin spacing.
Insulation test 250V rms.
For rugged epoxy cast type units refer to our
102, 104, 106
or
107, 108
and
109
series.
Net weight: 0.6 oz. (148 Series) & 1.0 oz. (149 Series).
https://www.hammfg.com/electronics/transformers/audio/149
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10/25/2018
Audio Open Frame (149 Series) - Hammond Mfg.
Max. Primary
Nominal Impedance
(Ohms)
Part No.
149C
149E
149F
149G
149H
149Q
149S
149T
149U
149V
Applicaton
Driver
Driver
Driver
Driver
Driver
Output
Output
Output
Output
Hybrid
Primary
160
300
450
600
1000
200 ct
600 ct
600 ct
150/600
600 ct
Secondary
20/80
30/120
40/160
150/600
60/240
3.2
150 ct
600 ct
8
300/1200
D.C. current
(ma.)
(See Note 1)
56
42
33
29
22
7
4
4
4
4
24
41
52
92
D.C. Resistance
(Ohms) +/- 15%
(See Note 2)
Primary
Secondary
7
10
19
58
24
0.4
17
70
95
63
Output
(Milliwatts)
200
200
200
200
200
1000
1000
1000
1000
1000
Schematic
Drawing
Figure
2
2
2
2
2
4
5
5
6
7
155
19
53
53
53
53
Data subject to change without notice
© 2018. Hammond Manufacturing Ltd. All rights reserved.
https://www.hammfg.com/electronics/transformers/audio/149
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