[sdiy] opamp, transistor replacement

[gregory zifcak]

hi,

my arp odyssey emits extraneous noise that appears to be post-vcf, pre vca 
(it is gated by the envelopes). i saw a mention of this problem in the AH 
archives, and the recommendation to replace the vca opamp and buffer 
transistor. these are a ca3080 and a 2n5172. are these still available? if 
not, what might be some suitable replacements?

thanks for any suggestions,

greg

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