RTA-15 crossover question

Vette C6.r

Looking at the schematic of the RTA-15tl it states that, in circuit R1, the original has a 1.5 ohm resistor. It is then penciled in that newer models have a 2 ohm resistor.

How can I tell what model I have ???

Any easy way of telling ??

Thanks

Tony

pitdogg2

yep open it up and look at the board easy peasy.