Transformer - Hammond, Microphone Splitter Transformers
Studio Grade Impedance Matching, 1140 Series.
Features
- Designed with Nickel alloy cores for high performance and Wide Bandwidth
- Frequency Response: 20 Hz – 20 kHz ±0.35 dB, (ref. @ 1 kHz)
- Low distortion at levels up to +27 dBu @ 20 Hz.
- Excellent Shielding – Mu Metal enclosures
Part No. | Impedance Ratio | Turns Ratio | Max Input @ 20Hz | THD @ 20Hz | Frequency Response 20Hz / 20kHz |
---|---|---|---|---|---|
P-T1140-MS-A | 150:150 | 1:1 | +2.0 dBu | 0.05% | -0.14 dB/-0.06 dB |
P-T1140-MS-B | 150:150:150 | 1:1 | +2.0 dBu | 0.030% | -0.08 dB/+0.06 dB |
P-T1140-MS-C | 150:150:150:150 | 1:1:1:1 | +11 dBu | 0.030% | -0.05 dB/+0.20 dB |
RoHS Compliant
Product Option | Our Part Number | UPC/EAN | Hammond Part Number |
---|---|---|---|
1140-MS-A | P-T1140-MS-A | 623980930220 | 1140-MS-A |
1140-MS-B | P-T1140-MS-B | 623980930237 | 1140-MS-B |
1140-MS-C | P-T1140-MS-C | 623980930244 | 1140-MS-C |
Capacitance, primary to shield and case | 1140-MS-A version | P-T1140-MS-A | 170 pF |
1140-MS-B version | P-T1140-MS-B | 500 pF | |
1140-MS-C version | P-T1140-MS-C | 900 pF | |
Capacitance, secondary to shield and case | 1140-MS-A version | P-T1140-MS-A | 150 pF |
1140-MS-B version | P-T1140-MS-B | 500 pF | |
1140-MS-C version | P-T1140-MS-C | 900 pF | |
Common Mode Rejection Level @ 3 kHz | 1140-MS-A version | P-T1140-MS-A | 75 dB |
1140-MS-B version | P-T1140-MS-B | 90 dB | |
1140-MS-C version | P-T1140-MS-C | 90 dB | |
Common Mode Rejection Level @ 60 Hz | 1140-MS-A version | P-T1140-MS-A | 90 dB |
1140-MS-B version | P-T1140-MS-B | 120 dB | |
1140-MS-C version | P-T1140-MS-C | 120 dB | |
DCR Primary | 1140-MS-A version | P-T1140-MS-A | 44 Ω |
1140-MS-B version | P-T1140-MS-B | 48 Ω | |
1140-MS-C version | P-T1140-MS-C | 48 Ω | |
DCR Secondary | 1140-MS-A version | P-T1140-MS-A | 44 Ω |
1140-MS-B version | P-T1140-MS-B | 48 Ω/48 Ω | |
1140-MS-C version | P-T1140-MS-C | 74 Ω/74 Ω/74 Ω | |
Dielectric Strength | 500 Vrms | ||
Frequency Response @ 20 Hz | -0.20 dB | ||
Frequency Resposne @ 20 kHz | 0.02 dB | ||
Input Impedance | 150 Ω | ||
Item Diameter | 1140-MS-A version | P-T1140-MS-A | 1.25 in. |
1140-MS-B version | P-T1140-MS-B | 1.25 in. | |
1140-MS-C version | P-T1140-MS-C | 1.375 in. | |
Item Height | 1140-MS-A version | P-T1140-MS-A | 1.069 in. |
1140-MS-B version | P-T1140-MS-B | 1.069 in. | |
1140-MS-C version | P-T1140-MS-C | 1.732 in. | |
Item Width | 2.25 in. | ||
Maximum input Level @ 20Hz | 1140-MS-A version | P-T1140-MS-A | +2.0db |
1140-MS-B version | P-T1140-MS-B | +2.0db | |
1140-MS-C version | P-T1140-MS-C | +11.0db | |
Mounting Hole Center to Center | 1.875 in. | ||
Mounting Hole Length | 0.3125 | ||
Mounting Hole Width | 0.2 in. | ||
Mounting Tab Width | 0.4 in. | ||
Output Impedance | 1140-MS-A version | P-T1140-MS-A | 150 Ω |
1140-MS-B version | P-T1140-MS-B | 150 Ω/150 Ω | |
1140-MS-C version | P-T1140-MS-C | 150 Ω/150 Ω/150 Ω | |
Phase Shift @ 20 Hz | 1140-MS-A version | P-T1140-MS-A | 5.0⁰ |
1140-MS-B version | P-T1140-MS-B | 2.5⁰ | |
1140-MS-C version | P-T1140-MS-C | 2.5⁰ | |
Phase Shift @ 20 kHz | 1140-MS-A version | P-T1140-MS-A | -6.0⁰ |
1140-MS-B version | P-T1140-MS-B | -5⁰ | |
1140-MS-C version | P-T1140-MS-C | -5⁰ | |
Primary Input Impedance | 1140-MS-A version | P-T1140-MS-A | 1.03 kΩ |
1140-MS-B version | P-T1140-MS-B | 560 kΩ | |
1140-MS-C version | P-T1140-MS-C | 397 kΩ | |
Secondary Output Impedance | 1140-MS-A version | P-T1140-MS-A | 235 Ω |
1140-MS-B version | P-T1140-MS-B | 220 Ω | |
1140-MS-C version | P-T1140-MS-C | 270 Ω | |
THD | 0.002% | ||
Turns ratio | 1140-MS-A version | P-T1140-MS-A | 1 to 1 |
1140-MS-B version | P-T1140-MS-B | 1 to 1 to 1 | |
1140-MS-C version | P-T1140-MS-C | 1 to 1 to 1 to 1 |
Packaging Dimensions | 1140-MS-A version | P-T1140-MS-A | 2.25 in. × 1.25 in. × 1.069 in. |
1140-MS-B version | P-T1140-MS-B | 2.25 in. × 1.25 in. × 1.069 in. | |
1140-MS-C version | P-T1140-MS-C | 2.25 in. × 1.375 in. × 1.732 in. | |
Weight (Packaging) | 0.3 lbs. |
P-T1140-MS-A - 1140-MS-A version | Capacitance, primary to shield and case | 170 pF |
Capacitance, secondary to shield and case | 150 pF | |
Common Mode Rejection Level @ 3 kHz | 75 dB | |
Common Mode Rejection Level @ 60 Hz | 90 dB | |
DCR Primary | 44 Ω | |
DCR Secondary | 44 Ω | |
Dielectric Strength | 500 Vrms | |
Frequency Response @ 20 Hz | -0.20 dB | |
Frequency Resposne @ 20 kHz | 0.02 dB | |
Input Impedance | 150 Ω | |
Item Diameter | 1.25 in. | |
Item Height | 1.069 in. | |
Item Width | 2.25 in. | |
Maximum input Level @ 20Hz | +2.0db | |
Mounting Hole Center to Center | 1.875 in. | |
Mounting Hole Length | 0.3125 | |
Mounting Hole Width | 0.2 in. | |
Mounting Tab Width | 0.4 in. | |
Output Impedance | 150 Ω | |
Phase Shift @ 20 Hz | 5.0⁰ | |
Phase Shift @ 20 kHz | -6.0⁰ | |
Primary Input Impedance | 1.03 kΩ | |
Secondary Output Impedance | 235 Ω | |
THD | 0.002% | |
Turns ratio | 1 to 1 | |
P-T1140-MS-B - 1140-MS-B version | Capacitance, primary to shield and case | 500 pF |
Capacitance, secondary to shield and case | 500 pF | |
Common Mode Rejection Level @ 3 kHz | 90 dB | |
Common Mode Rejection Level @ 60 Hz | 120 dB | |
DCR Primary | 48 Ω | |
DCR Secondary | 48 Ω/48 Ω | |
Dielectric Strength | 500 Vrms | |
Frequency Response @ 20 Hz | -0.20 dB | |
Frequency Resposne @ 20 kHz | 0.02 dB | |
Input Impedance | 150 Ω | |
Item Diameter | 1.25 in. | |
Item Height | 1.069 in. | |
Item Width | 2.25 in. | |
Maximum input Level @ 20Hz | +2.0db | |
Mounting Hole Center to Center | 1.875 in. | |
Mounting Hole Length | 0.3125 | |
Mounting Hole Width | 0.2 in. | |
Mounting Tab Width | 0.4 in. | |
Output Impedance | 150 Ω/150 Ω | |
Phase Shift @ 20 Hz | 2.5⁰ | |
Phase Shift @ 20 kHz | -5⁰ | |
Primary Input Impedance | 560 kΩ | |
Secondary Output Impedance | 220 Ω | |
THD | 0.002% | |
Turns ratio | 1 to 1 to 1 | |
P-T1140-MS-C - 1140-MS-C version | Capacitance, primary to shield and case | 900 pF |
Capacitance, secondary to shield and case | 900 pF | |
Common Mode Rejection Level @ 3 kHz | 90 dB | |
Common Mode Rejection Level @ 60 Hz | 120 dB | |
DCR Primary | 48 Ω | |
DCR Secondary | 74 Ω/74 Ω/74 Ω | |
Dielectric Strength | 500 Vrms | |
Frequency Response @ 20 Hz | -0.20 dB | |
Frequency Resposne @ 20 kHz | 0.02 dB | |
Input Impedance | 150 Ω | |
Item Diameter | 1.375 in. | |
Item Height | 1.732 in. | |
Item Width | 2.25 in. | |
Maximum input Level @ 20Hz | +11.0db | |
Mounting Hole Center to Center | 1.875 in. | |
Mounting Hole Length | 0.3125 | |
Mounting Hole Width | 0.2 in. | |
Mounting Tab Width | 0.4 in. | |
Output Impedance | 150 Ω/150 Ω/150 Ω | |
Phase Shift @ 20 Hz | 2.5⁰ | |
Phase Shift @ 20 kHz | -5⁰ | |
Primary Input Impedance | 397 kΩ | |
Secondary Output Impedance | 270 Ω | |
THD | 0.002% | |
Turns ratio | 1 to 1 to 1 to 1 |
Specification Sheet for 1140-MS-A | P-T1140-MS-A |
Specification Sheet for 1140-MS-B | P-T1140-MS-B |
Specification Sheet for 1140-MS-C | P-T1140-MS-C |
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