Fri Mar 19, 2010 12:44 pm by BillD
It looks to me to be a Rev. E crossover, especially if that obscured letter on the iron core inductor is a 3. RR4 and R5 were omitted in Rev E. The presence of R3 would indicate that it has the CT woofers. Also, the values of the 47µF caps (C1 and C2) changed after Rev. E. It's got to be either R1 or R2, and in that R2 is bigger than R1, I'm guessing that it's a 2Ω 75W resistor (and R1 is a 2Ω 10W resistor). That would leave R3 as a 1Ω 50W resistor. The iron core inductor (L1) should be 10mH and the air core inductor (L2) should be 2.5mH. Oh, the yellow cap (C3) should be 22µF 100V. I think that accounts for all the parts.
It should sound like it isn't there!
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