Pioneer a400 volume pot

could anyone recommend a volume pot to replace the 8 pin act1063 which is obviously obsolete and as rare as a unicorn.
Have surfed the net and found no answer. The best I found was a thread on here by chatziva where he adapted an 8 pin alps (picture attached)
Can anyone recommend an 8 pin with loudness taper? (Technically 9 pin as there seems to be a body ground pin)
Just need a part number as happy to adapt like chatziva did.
Or are people using a 6 pin and doing something to the other 2 holes?
Thanks for any advice
 

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Hi
I would advise purchasing the 100KA version of this potentiometer.
It does not have the D shaft, but one side of the split shaft
can be cut with a junior hacksaw, to remove approximately half of it.
You can insert a plastic cable tie into the split shaft to fill the gap. Then slide on the volume knob, I have successfully done such a modification many times when D shaft versions of a potentiometer are obsolete.
5PCS WH148 50KBX2 100KBX2 20MM 16 type sound volume potentiometer double 8 feet with center tap B50K B100K 50K 100K RH2702|Potentiometers| - AliExpress
 
Many thanks for your help, have spent days trying to find info, thinking surely people are repairing these amps (pioneer did at least 3 other amps with this pot).
Did you solder a ground wire from pot to the "9th" hole?
Just noticed the postage from USA is $46!!!!!!
May have to source one closer to home.
Once again thanx for taking the time to help🙂