All of the sonar data is from Friedman's World Naval Weapon Systems, and cross-checked with a Russian reference work on sonar systems.
Bull Nose MGK-335 is credited with 4-6km range in direct path and 25-30km in convergence zone operation.
Buck Toe was credited with 5000 yard active range and holding passive contact on cavitating submarine out to 120000 yards.
Trout Cheek which equips several Soviet subs is credited with detecting a destroyer making 15-18 knots at 7km at an ownship speed of 15 knots.
Pike Jaw which is the active set of the November was credited with 4000 yard range.
Shark Teeth that equips the Charlies and Victors was considered comparable to the US BQQ-2 in performance.
My conclusion with this data is that the supposed limited effectiveness of Soviet ASW is not due to them having worse sonars sets but mainly attributable to superior silencing on the US boats, up until the 80's when they caught up.
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