Hammond Store Products

$70.14$146.57Business pricing available

10K:10K impedance ratio, 1:1 turns ratio
For balancing input stages on any high impedance input
+20 dBu max input at 20 Hz; 0.020% THD at 20 Hz
Frequency response -0.03 dB at 20 Hz / +0.10 dB at 20 kHz

36K to 2.2K Bridging Line Input Transformer, 4:1

Hammond Manufacturing · MPN: 1140-LN-C

$100.57$210.19Business pricing available

Balanced bridging line input: 36K:2.2K / 10K:600 impedance ratio
4:1 turns ratio with split secondary (2 x 550)
+26 dBu max input at 20 Hz; 0.015% THD at 20 Hz
80 dB common mode rejection at 60 Hz, 70 dB at 3 kHz

40K to 2.4K Step-Down Line Input Transformer, 4:1

Hammond Manufacturing · MPN: 1140-LN-D

$70.38$147.07Business pricing available

40K:2.4K impedance ratio with 4:1 step-down turns ratio
Matches high impedance inputs to low secondary source impedances
+21 dBu max input at 20 Hz; 0.060% THD at 20 Hz
Frequency response -0.12 dB at 20 Hz / +0.06 dB at 20 kHz

600 Ohm 1:1 Split-Winding Line Input Transformer

Hammond Manufacturing · MPN: 1140-LN-E

$132.94$277.81Business pricing available

600:600 impedance ratio, 1:1 turns ratio
Split windings allow 1:2, 1:1 or 2:1 configurations
Handles high input levels: +19 dBu max at 20 Hz
0.020% THD at 20 Hz; 0.001% at 1 kHz (+4 dBu)

10K to 600 Ohm Tube Line Output Transformer, 4:1

Hammond Manufacturing · MPN: 1140-LU-A

$137.25$286.83Business pricing available

Designed for tube line output stages; high impedance load to vacuum tubes
10K:600 impedance ratio; split secondary for 4:1 or 8:1
Up to +23 dBu at 20 Hz into a 600 Ω load
80% Ni core; rated 0.00% THD at 20 Hz

600 Ohm 1:1 Line Output Transformer, 49% Nickel

Hammond Manufacturing · MPN: 1140-LU-B

$37.04$77.40Business pricing available

600:600 impedance ratio, 1:1 turns ratio
Drives 600 Ω loads up to +21 dBu at 20 Hz
Bi-filar windings on a 49% Ni core
0.002% THD at 1 kHz; 0.150% rated at 20 Hz

+21 dBu 49% Nickel PCB Line Output Transformer

Hammond Manufacturing · MPN: 1140-LU-BPC

600:600 impedance, 1:1 turns ratio line output transformer for PC board mounting
Drives 600 ohm loads up to +21 dBu at 20 Hz
Bi-filar windings on a 49% nickel core for low distortion
0.002% THD at 1 kHz (4 dBu, typical)

600 Ohm 1:1 Line Output Transformer, 80% Nickel

Hammond Manufacturing · MPN: 1140-LU-C

$66.96$139.94Business pricing available

600:600 impedance ratio, 1:1 turns ratio
0.001% THD at 20 Hz (rated) and at 1 kHz
Bi-filar windings on an 80% Ni core
Drives 600 Ω loads up to +18 dBu at 20 Hz

+18 dBu 80% Nickel PCB Line Output Transformer

Hammond Manufacturing · MPN: 1140-LU-CPC

600:600, 1:1 printed circuit mount line output transformer
80% nickel core with bi-filar windings for very low distortion
0.001% THD at both 1 kHz and 20 Hz (4 dBu, typical)
Drives 600 ohm loads up to +18 dBu at 20 Hz

600 Ohm +24 dBu 1:1 Line Output Transformer

Hammond Manufacturing · MPN: 1140-LU-D

$49.72$103.91Business pricing available

Drives 600 Ω loads up to +24 dBu at 20 Hz
600:600 impedance ratio, 1:1 turns ratio
Bi-filar windings on a 49% Ni core
0.001% THD at 1 kHz; 0.080% rated at 20 Hz

+24 dBu 49% Nickel PCB Line Output Transformer

Hammond Manufacturing · MPN: 1140-LU-DPC

Drives 600 ohm loads up to +24 dBu at 20 Hz (drawing)
600:600 impedance, 1:1 turns ratio, PC board mount
Bi-filar windings on a 49% nickel core
0.001% THD at 1 kHz; 0.08% at 20 Hz (4 dBu, typical)

600 Ohm +22 dBu Low-Distortion Line Output Transformer

Hammond Manufacturing · MPN: 1140-LU-E

$80.51$168.26Business pricing available

600:600 impedance ratio, 1:1 turns ratio
Drives 600 Ω loads up to +22 dBu at 20 Hz
0.001% THD at 20 Hz (rated)
Bi-filar windings on an 80% Ni core

+22 dBu 80% Nickel PCB Line Output Transformer

Hammond Manufacturing · MPN: 1140-LU-EPC

Frequency response -0.03 dB at 20 Hz and +0.02 dB at 20 kHz (typical)
Drives 600 ohm loads up to +22 dBu at 20 Hz
80% nickel core with bi-filar windings
600:600 impedance, 1:1 turns ratio, PC board mount

600 to 150 Ohm Quad-Filar Line Output Transformer

Hammond Manufacturing · MPN: 1140-LU-F

$108.16$226.04Business pricing available

600:150 impedance ratio, 2:1 rated turns ratio
Quad-filar windings (four 150 Ω) on an 80% Ni core
Best suited for 1:2 step up applications
+27 dBu into 600 Ω at 20 Hz; 0.001% THD at 20 Hz

Quad-Filar +27 dBu PCB Line Output Transformer

Hammond Manufacturing · MPN: 1140-LU-FPC

Quad-filar windings on an 80% nickel core
Split windings: two 150 ohm sections per side, 600 ohm end to end
Drives 600 ohm loads up to +27 dBu at 20 Hz
Manufacturer notes it is suited to 1:2 step up applications

600 Ohm +27 dBu 1:1 Line Output Transformer

Hammond Manufacturing · MPN: 1140-LU-G

$108.16$226.04Business pricing available

Drives 600 Ω loads up to +27 dBu at 20 Hz
600:600 impedance ratio, 1:1 turns ratio
0.001% THD at 20 Hz (rated)
Bi-filar windings on an 80% Ni core

Bi-Filar +27 dBu 80% Nickel PCB Line Output Transformer

Hammond Manufacturing · MPN: 1140-LU-GPC

Drives 600 ohm loads up to +27 dBu at 20 Hz
600:600 impedance, 1:1 turns ratio, bi-filar windings
80% nickel core for very low distortion
Frequency response -0.02 dB / +0.02 dB at 20 Hz / 20 kHz

150 to 15K Ohm 1:10 Microphone Step-Up Transformer

Hammond Manufacturing · MPN: 1140-MN-A

$73.45$153.49Business pricing available

1:10 microphone step-up, 150:15K impedance ratio
For input stages on vacuum tube or FET style amplifiers
Operates 20 Hz to 20 kHz; -0.05 dB at 20 Hz / -0.06 dB at 20 kHz
0.02% THD at 20 Hz; 0.004% at 1 kHz (-20 dBu)

150 to 3.8K Ohm 1:5 Microphone Step-Up Transformer

Hammond Manufacturing · MPN: 1140-MN-B

$102.03$213.22Business pricing available

1:5 microphone step-up, 150:3.8K impedance ratio
+7.0 dBu max input at 20 Hz
For input stages on vacuum tube or FET style amplifiers
0.015% THD at 20 Hz (series table); 0.001% at 20 Hz, -20 dBu (drawing)

150 Ohm 1:1 Microphone Isolation 2-Way Splitter

Hammond Manufacturing · MPN: 1140-MS-A

$60.17$125.75Business pricing available

Isolates a 150 Ω mic source into a 1000 Ω mic preamp
Use as straight isolation or 2 way mic splitter
150:150 impedance ratio, 1:1 turns ratio
+2.0 dBu max input at 20 Hz; 0.05% THD at 20 Hz

150 Ohm 1:1:1 Microphone 3-Way Splitter Transformer

Hammond Manufacturing · MPN: 1140-MS-B

$101.86$212.87Business pricing available

3 way mic splitter or straight isolation transformer
150:150:150 impedance ratio, 1:1:1 turns
Isolates a 150 Ω mic source into a 1000 Ω mic preamp
120 dB common mode rejection at 60 Hz, 90 dB at 3 kHz

4-Way 150 Ohm Mic Splitter Transformer, Chassis Mount

Hammond Manufacturing · MPN: 1140-MS-C