Aport and Atrina show otherwise.
Which Akula? Which Victors (IIs and IIIs)? There are significant internal (within the same class) differences there.
p.s. there is a convenient graph here (it counts combat submarines in general):
Depending on the year (ie after Soviets went with noise reduction on the late 2nd and then 3rd generations of submarines) there would be different ammount of "silent" submarines in service (ie 21 Victor-IIIs by 1984, 6 more Victor-IVs by 1992, then the whole Sierra/Akula can of worms). So while there would be submarines which would be fairly loud (the whole first generation, part of the 2nd generation) for the game time line, there would also be fairly quiet ones as well.
The 1972 vintage CIA report presented here reinforces my impression that the US parties at the time (and it appears still) did not (do not) understand the nature of the Soviet ASW development (I can show the significant developments that report misses), nor are aware of Soviet experience. For example the whole Afalina shebang is missed.
p.p.s I can provide a short overview of Soviet noise reduction evolution for the relevant time period.