Ballast / Transformer

Hammond 124B - Audio Transformers - Tube/Valve Audio -Tube Driver - Interstage - 5 Watts - Primary Impedance 10K Ohms / D.C. Resistance 403 Ohms - Secondary Impedance 90K C.T.  Ohms / D.C. Resistance 1500 Ohms - Designed for general purpose or replacement use in push-pull or phase inverter tube driver circuits - Should not be used for single ended applications. They have no gap for DC bias current present in SE mode - Open style with minimum 5" long primary leads - Minimum frequency response 150 Hz. - 15 Khz (+/- 1db max. ref. 1 Khz.) at full rated power

Hammond 145B - Transformers - Audio Chassis Mount - Driver-Output Applicaton - 200 Output - Nominal Impedance: 600 Pri. @ 600 Sec. - D.C. Resistance (Ohms) +/- 15%:30 Pri. @ 38 Sec.

Hammond 1650HA - Audio Transformers - Push-Pull - HI-FI - Tube Output Easy Wire Secondary - 40 Watts - Impedance : 6,600 ct Ohms Primary / 4-8-16 Ohms Secondary - Maximum DC Per Side : 200 ma.

Hammond 145C - Transformers - Audio Chassis Mount - Input Applicaton - 50 Output - Nominal Impedance: 50000 Pri. @ 1500 ct Sec. - D.C. Resistance (Ohms) +/- 15%:2400 Pri. @ 52 Sec.

Hammond 124C - Audio Transformers - Tube/Valve Audio -Tube Driver - Interstage - 5 Watts - Primary Impedance 10K Ohms / D.C. Resistance 403 Ohms - Secondary Impedance 90K C.T.  Ohms / D.C. Resistance 1524 Ohms - Designed for general purpose or replacement use in push-pull or phase inverter tube driver circuits - Should not be used for single ended applications. They have no gap for DC bias current present in SE mode - Open style with minimum 5" long primary leads - Minimum frequency response 150 Hz. - 15 Khz (+/- 1db max. ref. 1 Khz.) at full rated power

Hammond 145D - Transformers - Audio Chassis Mount - Input Applicaton - 10 Output - Nominal Impedance: 200K Pri. @ 1000 Sec. - D.C. Resistance (Ohms) +/- 15%:3600 Pri. @ 33 Sec.

Hammond 124E - Audio Transformers - Tube/Valve Audio -Tube Driver - Interstage - 5 Watts - Primary Impedance 15K C.T. Ohms / D.C. Resistance 728 Ohms - Secondary Impedance 33.8K/135K Ohms / D.C. Resistance 3880 Ohms - Designed for general purpose or replacement use in push-pull or phase inverter tube driver circuits - Should not be used for single ended applications. They have no gap for DC bias current present in SE mode - Open style with minimum 5" long primary leads - Minimum frequency response 150 Hz. - 15 Khz (+/- 1db max. ref. 1 Khz.) at full rated power

Hammond 124D - Audio Transformers - Tube/Valve Audio -Tube Driver - Interstage - 5 Watts - Primary Impedance 7K C.T. Ohms / D.C. Resistance 454 Ohms - Secondary Impedance 15.8K C.T.  Ohms / D.C. Resistance 681 Ohms - Designed for general purpose or replacement use in push-pull or phase inverter tube driver circuits - Should not be used for single ended applications. They have no gap for DC bias current present in SE mode - Open style with minimum 5" long primary leads - Minimum frequency response 150 Hz. - 15 Khz (+/- 1db max. ref. 1 Khz.) at full rated power

Hammond 1650KA - Audio Transformers - Push-Pull - HI-FI - Tube Output Easy Wire Secondary - 50 Watts - Impedance : 3,400 ct Ohms Primary / 4-8-16 Ohms Secondary - Maximum DC Per Side : 318 ma.

Hammond 145E - Transformers - Audio Chassis Mount - Input-Output Applicaton - 200 Output - Nominal Impedance: 600 ct Pri. @ 600 ct Sec. - D.C. Resistance (Ohms) +/- 15%:65 Pri. @ 83 Sec.

Hammond 1650NA - Audio Transformers - Push-Pull - HI-FI - Tube Output Easy Wire Secondary - 60 Watts - Impedance : 4,300 ct Ohms Primary / 4-8-16 Ohms Secondary - Maximum DC Per Side : 318 ma.

Hammond 124F - Audio Transformers - Tube/Valve Audio -Tube Driver - Interstage - 5 Watts - Primary Impedance 15K C.T. Ohms / D.C. Resistance 900 Ohms - Secondary Impedance 3.75K / 15K  Ohms / D.C. Resistance 899.6 Ohms - Designed for general purpose or replacement use in push-pull or phase inverter tube driver circuits - Should not be used for single ended applications. They have no gap for DC bias current present in SE mode - Open style with minimum 5" long primary leads - Minimum frequency response 150 Hz. - 15 Khz (+/- 1db max. ref. 1 Khz.) at full rated power

Hammond 145F - Transformers - Audio Chassis Mount - Driver Applicaton - 135 Output - Nominal Impedance: 600 ct Pri. @ 200 ct Sec. - D.C. Resistance (Ohms) +/- 15%:45 Pri. @ 9 Sec.

Hammond 1750A - Audio Transformers - Tube Guitar Amplifier - Output Transformers - REPLACEMENT & UPGRADES - 3.5Watts - Bobbin Winding - Primary 22800 Ohms - Secondary 8 Ohms - Single Ended Amplifier Type

Hammond 1650WA - Audio Transformers - Push-Pull - HI-FI - Tube Output Easy Wire Secondary - 280 Watts - Impedance : 1,900 ct Ohms Primary / 4-8-16 Ohms Secondary - Maximum DC Per Side : 806 ma.

Hammond 145G - Transformers - Audio Chassis Mount - Driver Applicaton - 135 Output - Nominal Impedance: 2000 Pri. @ 200 ct Sec. - D.C. Resistance (Ohms) +/- 15%:140 Pri. @ 9 Sec.

Hammond 145H - Transformers - Audio Chassis Mount - Driver Applicaton - 135 Output - Nominal Impedance: 2000 Pri. @ 500 ct Sec. - D.C. Resistance (Ohms) +/- 15%:148 Pri. @ 17 Sec.

Hammond 145J - Transformers - Audio Chassis Mount - Driver Applicaton - 135 Output - Nominal Impedance: 4000 Pri. @ 600 ct Sec. - D.C. Resistance (Ohms) +/- 15%:340 Pri. @ 24 Sec.

Hammond 145L - Transformers - Audio Chassis Mount - Driver Applicaton - 135 Output - Nominal Impedance: 4000 Pri. @ 2600 ct Sec. - D.C. Resistance (Ohms) +/- 15%:340 Pri. @ 100 Sec.