Interstage Tube Drivers

Hammond Manufacturing Interstage Tube Drivers are available in two styles: the open-style 124 Series with minimum 5" long primary leads, and the closed-style 126 Series with minimum 8" long leads. The 126 Series is designed for driver use only in single-ended tube output amplifiers. The drivers replace coupling capacitor circuits for improved sound, while the bifilar wound windings provide exceptional coupling and bandwidth. The 126 Series features a gapped core to support the specified DC bias current, along with 20Hz to 20kHz minimum frequency response and 400VDC maximum working voltage. The modules are hipot tested at 1000VDC.

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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Termination Style
Frequency Range
Inductance
Primary Impedance
Secondary Impedance
Number of Channels
Application
Package / Case
Length
Width
Height
Series
Hammond Manufacturing Audio Transformers / Signal Transformers Transformer, tube driver, interstage, 5 watts, for push-pull circuits
Datasheet
7In Stock
Min.: 1
Mult.: 1

Tube Application Power Transformers Push-Pull Terminals 15 kHz to 150 kHz 108 H 10 kOhms 90 kOhms Single Tube Driver 2.38 in x 1.35 in x 1.43 in 1.43 in 1.35 in 2.38 in 124 Series
Hammond Manufacturing Audio Transformers / Signal Transformers Audio transformer, tube driver, interstage, for single ended tube amplifiers
Datasheet
3In Stock
Min.: 1
Mult.: 1

Tube Application Power Transformers Push-Pull Terminals 20 Hz to 20 kHz 5 kOhms 5 kOhms Single Tube Driver Interstage 3.12 in 3.12 in 2.5 in 126 Series
Hammond Manufacturing Audio Transformers / Signal Transformers Transformer, tube driver, interstage, 5 watts, for push-pull circuits
Datasheet
2In Stock
Min.: 1
Mult.: 1

Tube Application Power Transformers SMD/SMT 150 Hz to 15 kHz 10 kOhms 90 kOhms Tube Driver 1.43 in 1.35 in 2.38 in 124 Series
Hammond Manufacturing Audio Transformers / Signal Transformers Transformer, tube driver, interstage, 5 watts, for push-pull circuits
Datasheet
2In Stock
Min.: 1
Mult.: 1

Tube Application Power Transformers Push-Pull Terminals 150 Hz to 15 kHz 7 kOhms 15.8 kOhms Single Tube Driver 1.68 in 1.46 in 2.81 in 124 Series
Hammond Manufacturing Audio Transformers / Signal Transformers Audio transformer, tube driver, interstage, for single ended tube amplifiers
Datasheet
1Expected 8/12/2026
Min.: 1
Mult.: 1

Tube Application Power Transformers Push-Pull Wire Lead 20 Hz to 20 kHz 106 H 10 kOhms 10 kOhms Single Tube Driver Interstage 3.12 in x 2.5 in x 3.12 in 3.12 in 3.12 in 2.5 in 126 Series
Hammond Manufacturing Audio Transformers / Signal Transformers Transformer, tube driver, interstage, 5 watts, for push-pull circuits
Datasheet
11Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Tube Application Power Transformers Push-Pull Terminals 15 kHz to 150 kHz 10 kOhms 90 kOhms Single Tube Driver 124 Series
Hammond Manufacturing Audio Transformers / Signal Transformers Transformer, tube driver, interstage, 5 watts, for push-pull circuits
Datasheet
31Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Tube Application Power Transformers Terminals 15 kHz to 150 kHz 32 H 15 kOhms 33.8 kOhms, 135 kOhms Tube Driver 2.88 in x 1.7 in x 2.37 in 2.37 in 1.74 in 2.88 in 124 Series
Hammond Manufacturing Audio Transformers / Signal Transformers Transformer, tube driver, interstage, 5 watts, for push-pull circuits
Datasheet
11Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Tube Application Power Transformers 124 Series
Hammond Manufacturing Audio Transformers / Signal Transformers Audio transformer, tube driver, interstage, for single ended tube amplifiers
Datasheet
11Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Tube Application Power Transformers Tube Driver Interstage 3.12 in 3.12 in 2.5 in 126 Series