Dual Gang Potentiometer Logarithmic Audio Track Splined Shaft A ST
This is one item of dual gang, logarithmic taper, carbon track potentiometer.
These are new items and come with a nut and a washer for mounting on a front panel. The T18 splined shaft is 6mm diameter. The mounting hole required is 7mm diameter. The connection pins will allow either PCB mounting or soldered wire connections. The "A" prefix before the track resistance value denotes a logarithmic audio track taper intended for direct analogue audio volume control. The max power rating is 0.1W.
The length of the turning part of the shaft varies slightly between 8 and 10mm depending on the particular track resistance.
The available values are:
A1K
A2K2
A5K
A10K
A20K
A22K
A47K
A50K
A100K
A200K
A220K
A250K
A500K
If you have a pot with a track label of A503, this is an A50K where 3 is the number of zeros after 50 in Ohms. A 502 would be 5K, a 472 would be 4K7 etc. Sometimes pots may also be labelled with the A as a suffix e.g. 50KA.