Transformer - Hammond, Line Input 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-LN-A | 10k:20k | 1:4 | +16 dBu | 0.02% | -0.04 dB/+0.10 dB |
P-1140-LN-B | 10K:10K | 1:1 | +20 dBu | 0.020% | -0.03 dB/+0.10 dB |
P-1140-LN-C | 36K:2.2K / 10K:600 | 4:1 | +26 dBu | 0.015% | -0.20 dB/+0.05 dB |
P-1140-LN-D | 40K:2.4K | 4:1 | +21 dBu | 0.060% | -0.12 dB/+0.06 dB |
P-1140-LN-E | 600:600 | 1:1 | +19 dBu | 0.020% | -0.06 dB/+0.00 dB |
RoHS Compliant
Product Option | Our Part Number | UPC/EAN | Hammond Part Number |
---|---|---|---|
1140-LN-A | P-T1140-LN-A | 623980930251 | 1140-LN-A |
1140-LN-B | P-T1140-LN-B | 623980930268 | 1140-LN-B |
1140-LN-C | P-T1140-LN-C | 623980930275 | 1140-LN-C |
1140-LN-D | P-T1140-LN-D | 623980930282 | 1140-LN-D |
1140-LN-E | P-T1140-LN-E | 623980930299 | 1140-LN-E |
Capacitance, primary to shield and case | 1140-LN-A version | P-T1140-LN-A | 525pf |
1140-LN-B version | P-T1140-LN-B | 525pf | |
1140-LN-C version | P-T1140-LN-C | 900 pF | |
1140-LN-D version | P-T1140-LN-D | 525 pF | |
1140-LN-E version | P-T1140-LN-E | 1.75 nf | |
Capacitance, secondary to shield and case | 1140-LN-A version | P-T1140-LN-A | 525pf |
1140-LN-B version | P-T1140-LN-B | 525pf | |
1140-LN-C version | P-T1140-LN-C | 725 pF | |
1140-LN-D version | P-T1140-LN-D | 640 pF | |
1140-LN-E version | P-T1140-LN-E | 2.25 nf | |
Common Mode Rejection Level @ 3 kHz | 1140-LN-A version | P-T1140-LN-A | 55 dB |
1140-LN-B version | P-T1140-LN-B | 55 dB | |
1140-LN-C version | P-T1140-LN-C | 70 dB | |
1140-LN-D version | P-T1140-LN-D | 65 dB | |
1140-LN-E version | P-T1140-LN-E | 60 db | |
Common Mode Rejection Level @ 60 Hz | 1140-LN-A version | P-T1140-LN-A | 70 dB |
1140-LN-B version | P-T1140-LN-B | 70 dB | |
1140-LN-C version | P-T1140-LN-C | 80 dB | |
1140-LN-D version | P-T1140-LN-D | 70 dB | |
1140-LN-E version | P-T1140-LN-E | 70 db | |
DCR Primary | 1140-LN-A version | P-T1140-LN-A | 1.15 kΩ |
1140-LN-B version | P-T1140-LN-B | 1.03 kΩ | |
1140-LN-C version | P-T1140-LN-C | 820 Ω | |
1140-LN-D version | P-T1140-LN-D | 1.96 kΩ | |
1140-LN-E version | P-T1140-LN-E | 27/27 Ω | |
DCR Secondary | 1140-LN-A version | P-T1140-LN-A | 1.65 kΩ |
1140-LN-B version | P-T1140-LN-B | 1.03 kΩ | |
1140-LN-C version | P-T1140-LN-C | 27 Ω/27 Ω | |
1140-LN-D version | P-T1140-LN-D | 95 Ω | |
1140-LN-E version | P-T1140-LN-E | 74/74 Ω | |
Dielectric Strength | 500 Vrms | ||
Frequency Response @ 20 Hz | 1140-LN-A version | P-T1140-LN-A | -0.03db |
1140-LN-B version | P-T1140-LN-B | -0.03db | |
1140-LN-C version | P-T1140-LN-C | -0.02db | |
1140-LN-D version | P-T1140-LN-D | -0.03 dB | |
1140-LN-E version | P-T1140-LN-E | -0.04d b | |
Frequency Response @ 20 kHz | 1140-LN-E version | P-T1140-LN-E | -0.04 db |
Frequency Resposne @ 20 kHz | 1140-LN-A version | P-T1140-LN-A | +0.09db |
1140-LN-B version | P-T1140-LN-B | +0.09db | |
1140-LN-C version | P-T1140-LN-C | +0.08db | |
1140-LN-D version | P-T1140-LN-D | +0.07 dB | |
Input Impedance | 1140-LN-A version | P-T1140-LN-A | 10 kΩ |
1140-LN-B version | P-T1140-LN-B | 10 kΩ | |
1140-LN-C version | P-T1140-LN-C | 36 kΩ | |
1140-LN-D version | P-T1140-LN-D | 40 kΩ | |
1140-LN-E version | P-T1140-LN-E | 150/600 Ω | |
Item Diameter | 1140-LN-A version | P-T1140-LN-A | 1.25 in. |
1140-LN-B version | P-T1140-LN-B | 1.25 in. | |
1140-LN-C version | P-T1140-LN-C | 1.375 in. | |
1140-LN-D version | P-T1140-LN-D | 1.25 in. | |
1140-LN-E version | P-T1140-LN-E | 1.625 in. | |
Item Height | 1140-LN-A version | P-T1140-LN-A | 1.069 in. |
1140-LN-B version | P-T1140-LN-B | 1.069 in. | |
1140-LN-C version | P-T1140-LN-C | 1.732 in. | |
1140-LN-D version | P-T1140-LN-D | 1.069 in. | |
1140-LN-E version | P-T1140-LN-E | 1.906 in. | |
Item Width | 1140-LN-A version | P-T1140-LN-A | 2.25 in. |
1140-LN-B version | P-T1140-LN-B | 2.25 in. | |
1140-LN-C version | P-T1140-LN-C | 2.25 in. | |
1140-LN-D version | P-T1140-LN-D | 2.25 in. | |
1140-LN-E version | P-T1140-LN-E | 2.5 in. | |
Maximum input Level @ 20Hz | 1140-LN-A version | P-T1140-LN-A | +16.0db |
1140-LN-B version | P-T1140-LN-B | +20.0db | |
1140-LN-C version | P-T1140-LN-C | +26.0db | |
1140-LN-D version | P-T1140-LN-D | +21.0db | |
1140-LN-E version | P-T1140-LN-E | +19.0 db | |
Mounting Hole Center to Center | 1140-LN-A version | P-T1140-LN-A | 1.875 in. |
1140-LN-B version | P-T1140-LN-B | 1.875 in. | |
1140-LN-C version | P-T1140-LN-C | 1.875 in. | |
1140-LN-D version | P-T1140-LN-D | 1.875 in. | |
1140-LN-E version | P-T1140-LN-E | 2.125 in. | |
Mounting Hole Length | 1140-LN-A version | P-T1140-LN-A | 0.3125 |
1140-LN-B version | P-T1140-LN-B | 0.3125 | |
1140-LN-C version | P-T1140-LN-C | 0.3125 | |
1140-LN-D version | P-T1140-LN-D | 0.3125 | |
1140-LN-E version | P-T1140-LN-E | 0.3125 in. | |
Mounting Hole Width | 0.2 in. | ||
Mounting Tab Width | 0.4 in. | ||
Output Impedance | 1140-LN-A version | P-T1140-LN-A | 20 kΩ |
1140-LN-B version | P-T1140-LN-B | 10 kΩ | |
1140-LN-C version | P-T1140-LN-C | 2.2 kΩ | |
1140-LN-D version | P-T1140-LN-D | 2.4 kΩ | |
1140-LN-E version | P-T1140-LN-E | 150/600 Ω | |
Phase Shift @ 20 Hz | 1140-LN-A version | P-T1140-LN-A | 1.0⁰ |
1140-LN-B version | P-T1140-LN-B | 1.0⁰ | |
1140-LN-C version | P-T1140-LN-C | 0.25⁰ | |
1140-LN-D version | P-T1140-LN-D | 0.5⁰ | |
1140-LN-E version | P-T1140-LN-E | 0.27 ⁰ | |
Phase Shift @ 20 kHz | 1140-LN-A version | P-T1140-LN-A | -10.0⁰ |
1140-LN-B version | P-T1140-LN-B | -10.0⁰ | |
1140-LN-C version | P-T1140-LN-C | -10.0⁰ | |
1140-LN-D version | P-T1140-LN-D | -10.0⁰ | |
1140-LN-E version | P-T1140-LN-E | -10.0 ⁰ | |
Primary Input Impedance | 1140-LN-A version | P-T1140-LN-A | 12 kΩ |
1140-LN-B version | P-T1140-LN-B | 12 kΩ | |
1140-LN-C version | P-T1140-LN-C | 38.5 kΩ | |
1140-LN-D version | P-T1140-LN-D | 42 kΩ | |
1140-LN-E version | P-T1140-LN-E | 800 Ω | |
Secondary Output Impedance | 1140-LN-A version | P-T1140-LN-A | 4.1 kΩ |
1140-LN-B version | P-T1140-LN-B | 2.1 kΩ | |
1140-LN-C version | P-T1140-LN-C | 110 Ω | |
1140-LN-D version | P-T1140-LN-D | 225 Ω | |
1140-LN-E version | P-T1140-LN-E | 800 Ω | |
THD | 1140-LN-A version | P-T1140-LN-A | 0.025% |
1140-LN-B version | P-T1140-LN-B | 0.015% | |
1140-LN-C version | P-T1140-LN-C | 0.001% | |
1140-LN-D version | P-T1140-LN-D | 0.007% | |
1140-LN-E version | P-T1140-LN-E | 0.001% | |
Turns ratio | 1140-LN-A version | P-T1140-LN-A | 1 to 1.414 |
1140-LN-B version | P-T1140-LN-B | 1 to 1 | |
1140-LN-C version | P-T1140-LN-C | 4.073 to 1 | |
1140-LN-D version | P-T1140-LN-D | 4 to 1 | |
1140-LN-E version | P-T1140-LN-E | 1:1 |
Packaging Dimensions | 1140-LN-A version | P-T1140-LN-A | 2.25 in. × 1.25 in. × 1.069 in. |
1140-LN-B version | P-T1140-LN-B | 2.25 in. × 1.25 in. × 1.069 in. | |
1140-LN-C version | P-T1140-LN-C | 2.25 in. × 1.375 in. × 1.732 in. | |
1140-LN-D version | P-T1140-LN-D | 2.25 in. × 1.25 in. × 1.069 in. | |
1140-LN-E version | P-T1140-LN-E | 2.5 in. × 1.625 in. × 1.956 in. | |
Weight (Packaging) | 1140-LN-A version | P-T1140-LN-A | 0.3 lbs. |
1140-LN-B version | P-T1140-LN-B | 0.3 lbs. | |
1140-LN-C version | P-T1140-LN-C | 0.3 lbs. | |
1140-LN-D version | P-T1140-LN-D | 0.3 lbs. | |
1140-LN-E version | P-T1140-LN-E | 0.5093 lbs. |
P-T1140-LN-A - 1140-LN-A version | Capacitance, primary to shield and case | 525pf |
Capacitance, secondary to shield and case | 525pf | |
Common Mode Rejection Level @ 3 kHz | 55 dB | |
Common Mode Rejection Level @ 60 Hz | 70 dB | |
DCR Primary | 1.15 kΩ | |
DCR Secondary | 1.65 kΩ | |
Dielectric Strength | 500 Vrms | |
Frequency Response @ 20 Hz | -0.03db | |
Frequency Resposne @ 20 kHz | +0.09db | |
Input Impedance | 10 kΩ | |
Item Diameter | 1.25 in. | |
Item Height | 1.069 in. | |
Item Width | 2.25 in. | |
Maximum input Level @ 20Hz | +16.0db | |
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 | 20 kΩ | |
Phase Shift @ 20 Hz | 1.0⁰ | |
Phase Shift @ 20 kHz | -10.0⁰ | |
Primary Input Impedance | 12 kΩ | |
Secondary Output Impedance | 4.1 kΩ | |
THD | 0.025% | |
Turns ratio | 1 to 1.414 | |
P-T1140-LN-B - 1140-LN-B version | Capacitance, primary to shield and case | 525pf |
Capacitance, secondary to shield and case | 525pf | |
Common Mode Rejection Level @ 3 kHz | 55 dB | |
Common Mode Rejection Level @ 60 Hz | 70 dB | |
DCR Primary | 1.03 kΩ | |
DCR Secondary | 1.03 kΩ | |
Dielectric Strength | 500 Vrms | |
Frequency Response @ 20 Hz | -0.03db | |
Frequency Resposne @ 20 kHz | +0.09db | |
Input Impedance | 10 kΩ | |
Item Diameter | 1.25 in. | |
Item Height | 1.069 in. | |
Item Width | 2.25 in. | |
Maximum input Level @ 20Hz | +20.0db | |
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 | 10 kΩ | |
Phase Shift @ 20 Hz | 1.0⁰ | |
Phase Shift @ 20 kHz | -10.0⁰ | |
Primary Input Impedance | 12 kΩ | |
Secondary Output Impedance | 2.1 kΩ | |
THD | 0.015% | |
Turns ratio | 1 to 1 | |
P-T1140-LN-C - 1140-LN-C version | Capacitance, primary to shield and case | 900 pF |
Capacitance, secondary to shield and case | 725 pF | |
Common Mode Rejection Level @ 3 kHz | 70 dB | |
Common Mode Rejection Level @ 60 Hz | 80 dB | |
DCR Primary | 820 Ω | |
DCR Secondary | 27 Ω/27 Ω | |
Dielectric Strength | 500 Vrms | |
Frequency Response @ 20 Hz | -0.02db | |
Frequency Resposne @ 20 kHz | +0.08db | |
Input Impedance | 36 kΩ | |
Item Diameter | 1.375 in. | |
Item Height | 1.732 in. | |
Item Width | 2.25 in. | |
Maximum input Level @ 20Hz | +26.0db | |
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 | 2.2 kΩ | |
Phase Shift @ 20 Hz | 0.25⁰ | |
Phase Shift @ 20 kHz | -10.0⁰ | |
Primary Input Impedance | 38.5 kΩ | |
Secondary Output Impedance | 110 Ω | |
THD | 0.001% | |
Turns ratio | 4.073 to 1 | |
P-T1140-LN-D - 1140-LN-D version | Capacitance, primary to shield and case | 525 pF |
Capacitance, secondary to shield and case | 640 pF | |
Common Mode Rejection Level @ 3 kHz | 65 dB | |
Common Mode Rejection Level @ 60 Hz | 70 dB | |
DCR Primary | 1.96 kΩ | |
DCR Secondary | 95 Ω | |
Dielectric Strength | 500 Vrms | |
Frequency Response @ 20 Hz | -0.03 dB | |
Frequency Resposne @ 20 kHz | +0.07 dB | |
Input Impedance | 40 kΩ | |
Item Diameter | 1.25 in. | |
Item Height | 1.069 in. | |
Item Width | 2.25 in. | |
Maximum input Level @ 20Hz | +21.0db | |
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 | 2.4 kΩ | |
Phase Shift @ 20 Hz | 0.5⁰ | |
Phase Shift @ 20 kHz | -10.0⁰ | |
Primary Input Impedance | 42 kΩ | |
Secondary Output Impedance | 225 Ω | |
THD | 0.007% | |
Turns ratio | 4 to 1 | |
P-T1140-LN-E - 1140-LN-E version | Capacitance, primary to shield and case | 1.75 nf |
Capacitance, secondary to shield and case | 2.25 nf | |
Common Mode Rejection Level @ 3 kHz | 60 db | |
Common Mode Rejection Level @ 60 Hz | 70 db | |
DCR Primary | 27/27 Ω | |
DCR Secondary | 74/74 Ω | |
Dielectric Strength | 500 Vrms | |
Frequency Response @ 20 Hz | -0.04d b | |
Frequency Response @ 20 kHz | -0.04 db | |
Input Impedance | 150/600 Ω | |
Item Diameter | 1.625 in. | |
Item Height | 1.906 in. | |
Item Width | 2.5 in. | |
Maximum input Level @ 20Hz | +19.0 db | |
Mounting Hole Center to Center | 2.125 in. | |
Mounting Hole Length | 0.3125 in. | |
Mounting Hole Width | 0.2 in. | |
Mounting Tab Width | 0.4 in. | |
Output Impedance | 150/600 Ω | |
Phase Shift @ 20 Hz | 0.27 ⁰ | |
Phase Shift @ 20 kHz | -10.0 ⁰ | |
Primary Input Impedance | 800 Ω | |
Secondary Output Impedance | 800 Ω | |
THD | 0.001% | |
Turns ratio | 1:1 |
Specification Sheet for 1140-LN-A | P-T1140-LN-A |
Specification Sheet for 1140-LN-B | P-T1140-LN-B |
Specification Sheet for 1140-LN-C | P-T1140-LN-C |
Specification Sheet for 1140-LN-D | P-T1140-LN-D |
Specification Sheet for 1140-LN-E | P-T1140-LN-E |
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