T & H Pad Calculator - Unbalanced/balanced pads

This JavaScript audio attenuator calculator will provide resistor values for unbalanced T-pads, and for balanced H-pads. Use the closest 1% tolerance resistors to the values shown. Attenuators beyond 40dB are not recommended. Type in the values for input impedance, output impedance and the desired attenuation then push the calculate button, and the results will show up in the tables below.


Input impedance
of attenuator

OHMS

Output impedance
of attenuator

OHMS

Attenuation required
in decibels (1-40):

dB

Console Out
Tape/CD Deck Out
Spkr Out
Line Out
Console In
Tape/CD Deck In
Aux In
Mic In




Scroll down to see results - Do not input data into the tables below.





T (UNBALANCED) PAD RESISTOR VALUES - RESULTS


OHMS

OHMS
Input Impedance

OHMS





OHMS
Output Impedance

OHMS


H (BALANCED) PAD RESISTOR VALUES - RESULTS

OHMS

OHMS
Input Impedance

OHMS





OHMS
Output Impedance

OHMS


OHMS


OHMS



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