Hammond 148 Audio Open Frame Transformer

Manufacturer: Hammond

Pin type (0.25" length & 0.025" square), P.C. board mount.
Economical, open type, horizontal bracket construction. 149 Series 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.
Net weight: 0.6 oz. (148 Series)

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Features Model

Mfr. Part No.	Description
148A	Nominal Impedance (Ohms), Primary, 150/600
148B	Nominal Impedance (Ohms), Primary, 150
148C	Nominal Impedance (Ohms), Primary, 50000
148D	Nominal Impedance (Ohms), Primary, 200K
148E	Nominal Impedance (Ohms), Primary, 500
148F	Nominal Impedance (Ohms), Primary, 1500
148H	Nominal Impedance (Ohms), Primary, 3000
148K	Nominal Impedance (Ohms), Primary, 4000
148M	Nominal Impedance (Ohms), Primary, 6000
148Q	Nominal Impedance (Ohms), Primary, 10000
148R	Nominal Impedance (Ohms), Primary, 20000
148T	Nominal Impedance (Ohms), Primary, 500 ct
148V	Nominal Impedance (Ohms), Primary, 600 ct
148X	Nominal Impedance (Ohms), Primary, 4000 ct
148Y	Nominal Impedance (Ohms), Primary, 5000 ct