1 / 8 / 2 2 , 4 : 1 7 P M A u d i o O p e n F r a m e ( 1 4 9 S e r i e s ) - H a m m o n d M f g . 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). h t t p s : / / w w w . h a m m f g . c o m / e l e c t r o n i c s / t r a n s f o r m e r s / a u d i o / 1 4 9 1 / 21 / 8 / 2 2 , 4 : 1 7 P M A u d i o O p e n F r a m e ( 1 4 9 S e r i e s ) - H a m m o n d M f g . Max. Primary D.C. Resistance Nominal Impedance D.C. current (Ohms) +/- 15% Schematic (Ohms) (ma.) (See Note 2) Output Drawing Part No. Applicaton Primary Secondary (See Note 1) Primary Secondary (Milliwatts) Figure 149C Driver 160 20/80 56 24 7 200 2 149E Driver 300 30/120 42 41 10 200 2 149F Driver 450 40/160 33 52 19 200 2 149G Driver 600 150/600 29 92 58 200 2 149H Driver 1000 60/240 22 155 24 200 2 149Q Output 200 ct 3.2 7 19 0.4 1000 4 149S Output 600 ct 150 ct 4 53 17 1000 5 149T Output 600 ct 600 ct 4 53 70 1000 5 149U Output 150/600 8 4 53 95 1000 6 149V Hybrid 600 ct 300/1200 4 53 63 1000 7 Data subject to change without notice 2022. Hammond Manufacturing Ltd. All rights reserved. h t t p s : / / w w w . h a m m f g . c o m / e l e c t r o n i c s / t r a n s f o r m e r s / a u d i o / 1 4 9 2 / 2