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Transformer - Hammond, Microphone Input Transformers

Transformer - Hammond, Microphone Input Transformers

Hammond
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Starting at: $91.97
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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
1140-MN-A 150:15K 1:10 -2.5 dBu 0.02% -0.05 dB/ -0.06 dB
1140-MN-B 150: 3.8K 1:5 +7.0dBu 0.015% -0.04 dB/ +0.00 dB
SKU:
P-T1140-MN-X
Item ID:
043636
Brand:
Hammond
Type:
Audio & InterstageMicrophone Input
RoHS Compliant
Part Numbers
Product OptionOur Part NumberUPC/EANHammond Part Number
1140-MN-AP-T1140-MN-A623980930206 1140-MN-A
1140-MN-BP-T1140-MN-B623980930213 1140-MN-B
Capacitance, primary to shield and case1140-MN-A versionP-T1140-MN-A350 pF
1140-MN-B versionP-T1140-MN-B780 pF
Capacitance, secondary to shield and case1140-MN-A versionP-T1140-MN-A375 pF
1140-MN-B versionP-T1140-MN-B450 pF
Common Mode Rejection Level @ 3 kHz75 dB
Common Mode Rejection Level @ 60 Hz90 dB
DCR Primary1140-MN-A versionP-T1140-MN-A24 Ω
1140-MN-B versionP-T1140-MN-B17.25 Ω
DCR Secondary1140-MN-A versionP-T1140-MN-A2.4 kΩ
1140-MN-B versionP-T1140-MN-B450 Ω
Dielectric Strength500 Vrms
Frequency Response @ 20 Hz1140-MN-A versionP-T1140-MN-A-0.06 dB
1140-MN-B versionP-T1140-MN-B-0.04 dB
Frequency Resposne @ 20 kHz1140-MN-A versionP-T1140-MN-A0.0 dB
1140-MN-B versionP-T1140-MN-B0.01 dB
Input Impedance150 Ω
Item Diameter1140-MN-A versionP-T1140-MN-A1.25 in.
1140-MN-B versionP-T1140-MN-B1.375 in.
Item Height1140-MN-A versionP-T1140-MN-A1.069 in.
1140-MN-B versionP-T1140-MN-B1.724 in.
Item Width2.25 in.
Maximum input Level @ 20Hz1140-MN-A versionP-T1140-MN-A-2.5db
1140-MN-B versionP-T1140-MN-B+7.0db
Mounting Hole Center to Center1.875 in.
Mounting Hole Length0.3125
Mounting Hole Width0.2 in.
Mounting Tab Width0.4 in.
Output Impedance1140-MN-A versionP-T1140-MN-A15 kΩ
1140-MN-B versionP-T1140-MN-B3.8 kΩ
Phase Shift @ 20 Hz1140-MN-A versionP-T1140-MN-A1.75⁰
1140-MN-B versionP-T1140-MN-B0.6⁰
Phase Shift @ 20 kHz1140-MN-A versionP-T1140-MN-A-5.0⁰
1140-MN-B versionP-T1140-MN-B6.0⁰
Primary Input Impedance1140-MN-A versionP-T1140-MN-A1.3 kΩ
1140-MN-B versionP-T1140-MN-B1.7 kΩ
Secondary Output Impedance1140-MN-A versionP-T1140-MN-A12.5 Ω
1140-MN-B versionP-T1140-MN-B4.6 kΩ
THD1140-MN-A versionP-T1140-MN-A0.004%
1140-MN-B versionP-T1140-MN-B0.015%
Turns ratio1140-MN-A versionP-T1140-MN-A1 to 10
1140-MN-B versionP-T1140-MN-B1 to 5
Packaging Information
Packaging Dimensions1140-MN-A versionP-T1140-MN-A2.25 in. × 1.25 in. × 1.069 in.
1140-MN-B versionP-T1140-MN-B2.25 in. × 1.375 in. × 1.724 in.
Weight (Packaging)0.3 lbs.
P-T1140-MN-A - 1140-MN-A versionCapacitance, primary to shield and case350 pF
Capacitance, secondary to shield and case375 pF
Common Mode Rejection Level @ 3 kHz75 dB
Common Mode Rejection Level @ 60 Hz90 dB
DCR Primary24 Ω
DCR Secondary2.4 kΩ
Dielectric Strength500 Vrms
Frequency Response @ 20 Hz-0.06 dB
Frequency Resposne @ 20 kHz0.0 dB
Input Impedance150 Ω
Item Diameter1.25 in.
Item Height1.069 in.
Item Width2.25 in.
Maximum input Level @ 20Hz-2.5db
Mounting Hole Center to Center1.875 in.
Mounting Hole Length0.3125
Mounting Hole Width0.2 in.
Mounting Tab Width0.4 in.
Output Impedance15 kΩ
Phase Shift @ 20 Hz1.75⁰
Phase Shift @ 20 kHz-5.0⁰
Primary Input Impedance1.3 kΩ
Secondary Output Impedance12.5 Ω
THD0.004%
Turns ratio1 to 10
P-T1140-MN-B - 1140-MN-B versionCapacitance, primary to shield and case780 pF
Capacitance, secondary to shield and case450 pF
Common Mode Rejection Level @ 3 kHz75 dB
Common Mode Rejection Level @ 60 Hz90 dB
DCR Primary17.25 Ω
DCR Secondary450 Ω
Dielectric Strength500 Vrms
Frequency Response @ 20 Hz-0.04 dB
Frequency Resposne @ 20 kHz0.01 dB
Input Impedance150 Ω
Item Diameter1.375 in.
Item Height1.724 in.
Item Width2.25 in.
Maximum input Level @ 20Hz+7.0db
Mounting Hole Center to Center1.875 in.
Mounting Hole Length0.3125
Mounting Hole Width0.2 in.
Mounting Tab Width0.4 in.
Output Impedance3.8 kΩ
Phase Shift @ 20 Hz0.6⁰
Phase Shift @ 20 kHz6.0⁰
Primary Input Impedance1.7 kΩ
Secondary Output Impedance4.6 kΩ
THD0.015%
Turns ratio1 to 5

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