Choke - One Electron, Audio, PRC-1, for Shunt Feed SE Output

One Electron
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Choke - One Electron, Audio, PRC-1, for Shunt Feed SE Output

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The PRC-1 audio choke from One Electron was designed for shunt-feed single-ended output applications, but is also useful where quality inductive loads are needed or as high-quality filter chokes. It features a paper bobbin. It has two identical windings allowing series and parallel combinations. It is not recommended for use as a transformer.



DC Current



parallel 5.5 H 230 mA 32 Ω 1K Ω
series 22 H 115 mA 128 Ω 4K Ω

The table shows the maximum recommended load impedances when used as a shunt-feed choke. As with traditional class-A triode amplifiers, the driving impedance is about ½ the load impedance. The recommended load impedances are based on a -1dB response at 20Hz; for better low frequency response, use a choke with higher recommended load(higher inductance).

Item ID:
One Electron
Product Measurements
D.C. Current, parallel230 mA
D.C. Current, series115 mA
Impedance, parallel1 kΩ
Impedance, series4 kΩ
Inductance, parallel5.5 H
Inductance, series22 H
Item Height3.38 in.
Item Length2.83 in.
Item Width4 in.
Mounting Hole Center to Center A2.25 in.
Mounting Hole Center to Center B2.875 in.
Mounting Hole Diameter0.187 in.
Resistance, parallel32 Ω
Resistance, series128 Ω
Packaging Information
Packaging Dimensions5.9 in. × 4.5 in. × 3.3 in.
Weight (Packaging)5.3 lbs.

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