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Home < Products < Hammond Transformers < Studio Grade Impedance Matching Transformers 1140 Series

 

Studio Grade Impedance Matching Transformers
 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.
* Line Output Transformers are open style (not Mu Metal)

 


               Microphone Input Transformers

                 
Part Reader Impedance Turns Max Input THD Frequency Response Price Paypal
Number File Ratio Ratio @ 20Hz @ 20Hz 20Hz / 20kHz
1140-MN-A 150:15K 1:10 -2.5 dBu 0.02% -0.05 dB/ -0.06 dB $106.23

1140-MN-B 150:3.8K 1:5 +7.0 dBu 0.015% -0.04 dB/ -0.00 dB $147.55

                 

Microphone Splitter Transformers
 
Part Impedance Turns Max Input THD Frequency Response Price Paypal
Number Ratio Ratio @ 20Hz @ 20Hz 20Hz / 20kHz
1140-MS-A 150:150 1:1 +2.0 dBu 0.05% -0.14 dB/ -0.06 dB $87.02

1140-MS-B 150:150:150 1:1 +2.0 dBu 0.030% -0.08 dB/ +0.06 dB $147.32

1140-MS-C 150:150:150:150 1:1:1:1 +11 dBu 0.030% -0.05 dB/ +0.20 dB $223.27

                 

Line Input Transformers
 
Part Impedance Turns Max Input THD Frequency Response Price Paypal
Number Ratio Ratio @ 20Hz @ 20Hz 20Hz / 20kHz
1140-LN-A 10k:20k 1:1,414 +16 dBu 0.02% -0.04 dB/+0.10 dB $103.01

1140-LN-B 10k:10k 1:1 +20 dBu 0.02% -0.03 dB/+0.10 dB $101.43

1140-LN-C 36k:2.2k / 10k:600 4:1 +26 dBu 0.015% -0.20 dB/+0.05 dB $145.46

1140-LN-D 40k:2.4k 4:1 +21 dBu 0.06% -0.12 dB/+0.06 dB $101.78

1140-LN-E 600:600 1:1 +19 dBu 0.02% -0.06 dB/+0.00 dB $192.25

                 

Line Output Transformers
 
Part Impedance Turns Max Input THD Frequency Response Price Paypal
Number Ratio Ratio @ 20Hz @ 20Hz 20Hz / 20kHz
1140-LU-A 10k:600 4:1 +23 dBu 0.00% -0.06 dB/+0.04 dB $198.51

1140-LU-B 600:600 1:1 +21 dBu 0.150% -0.20 dB/+0.03 dB $53.58

1140-LU-C 600:600 1:1 +18 dBu 0.001% -0.05 dB/+0.02 dB $96.85

1140-LU-D 600:600 1:1 +24 dBu 0.080% -0.18 dB/+0.03 dB $71.90

1140-LU-E 600:600 1:1 +22 dBu 0.001% -0.03 dB/+0.02 dB $116.44

1140-LU-F 600:150 2:1 +27 dBu 0.001% -0.01 dB/+0.01 dB $156.44

1140-LU-G 600:600 1:1 +27 dBu 0.001% -0.02 dB/+0.02 dB $156.44

open style (not Mu Metal)

              
 

Direct Box Transformers
 
Part Impedance Turns Max Input THD Frequency Response Price Paypal
Number Ratio Ratio @ 20Hz @ 20Hz 20Hz / 20kHz
1140-DB-A 200k:1.5k 12:1 +22 dBu 0.02% -0.07 dB/-0.07 dB $105.90

04-15-2025

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