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Type 0 Passive Sonar

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No.132 零式水中聴音機
Sonar.png Large Sonar
Effects: ASW+11 Accuracy+1 Evasion+1 LoS+1
Scrap value: Steel 3 Bauxite 3 (Unbuildable)

Equipment Card Type 0 Passive Sonar.png

Equipment Character Type 0 Passive Sonar.png

Equipment Item Type 0 Passive Sonar.png

Equipment Full Type 0 Passive Sonar.png

Refittable Ship Types
Fast Battleship Battleship
Aviation Battleship Standard Aircraft Carrier
Armored Carrier Light Carrier
Heavy Cruiser Aviation Cruiser
Light Cruiser Torpedo Cruiser
Training Cruiser Destroyer
Coastal Defense Ship Submarine
Aircraft Carrying Submarine Seaplane Tender
Fleet Oiler Submarine Tender
Repair Ship Amphibious Assault Ship

Introduction

大型艦用パッシブソナー兵装です。
九三式水中聴音機の捕音機を増強した大型グレードアップバージョンで、大和型戦艦のバルバス・バウ付近にも装備されました。
専門の人員も配置して水面下の音を収集、敵潜などの早期発見に努めます。

A Passive SONAR system for large ships.
An upgrade from the Type 93 Passive SONAR, with a larger sound collector, it was equipped on Yamato-class battleship within their bulbous bow.
Specialized personnel constantly listening on the machine, trying to quickly recognize any enemy submarines.

Mechanics

SONAR Sonars are the main equipment used for ASW, being required to trigger most OASW, and greatly enhancing ASW Damage Synergy. Their main stat is "ASW" Anti-Submarine Warfare.

ASW Damage Synergy
Small SONARSmall Small Sonars
Equipment Card Type 93 Passive Sonar.png
Type 93 Passive Sonar
Equipment Card Type 4 Passive Sonar.png
Type 4 Passive Sonar
Equipment Card Type 3 Active Sonar.png
Type 3 Active Sonar
Equipment Card Type 3 Active Sonar Kai.png
Type 3 Active Sonar Kai
Equipment Card Type124 ASDIC.png
Type124 ASDIC
Equipment Card Type144 147 ASDIC.png
Type144/147 ASDIC
Equipment Card HF DF + Type144 147 ASDIC.png
HF/DF + Type144/147 ASDIC
Large SONARLarge Large Sonars
Equipment Card Type 0 Passive Sonar.png
Type 0 Passive Sonar
Depth Charge ProjectorDCP Depth Charge Projectors (DCP)
Equipment Card Type 94 Depth Charge Projector.png
Type 94 Depth Charge Projector
Equipment Card Type 3 Depth Charge Projector.png
Type 3 Depth Charge Projector
Equipment Card Type 3 Depth Charge Projector (Concentrated Deployment).png
Type 3 Depth Charge Projector (Concentrated Deployment)
Equipment Card Prototype 15cm 9-tube ASW Rocket Launcher.png
Prototype 15cm 9-tube ASW Rocket Launcher
Equipment Card RUR-4A Weapon Alpha Kai.png
RUR-4A Weapon Alpha Kai
AP
Equipment Card Mk.32 ASW Torpedo (Mk.2 Thrower).png
Mk.32 ASW Torpedo (Mk.2 Thrower)
AP
Depth Charge RacksDCR Depth Charge (Racks) (DCR)
Equipment Card Type 95 Depth Charge.png
Type 95 Depth Charge
AP
Equipment Card Type 2 Depth Charge.png
Type 2 Depth Charge
AP
Equipment Card Lightweight ASW Torpedo (Initial Test Model).png
Lightweight ASW Torpedo (Initial Test Model)
AP
Equipment Card Hedgehog (Initial Model).png
Hedgehog (Initial Model)
AP
Equipment Card Type 2 Depth Charge Kai 2.png
Type 2 Depth Charge Kai Ni
AP
ASW MortarOther ASW Mortars
Equipment Card Type 2 12cm Mortar Kai.png
Type 2 12cm Mortar Kai
Equipment Card Type 2 12cm Mortar Kai (Concentrated Deployment).png
Type 2 12cm Mortar Kai (Concentrated Deployment)
ASW Damage Modifiers: [math]\displaystyle{ \text{Mod}_\text{synergy} = {Mod}_\text{1} \times {Mod}_\text{2} }[/math]
[math]\displaystyle{ {Mod}_\text{1} }[/math] SONAR + Depth Charges
(Any Sonar + Any Depth Charge)
1.15
[math]\displaystyle{ {Mod}_\text{2} }[/math] Depth Charge ProjectorDCP + Depth Charge RacksDCR and NO Small SONARSmall 1.1
Small SONARSmall + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.25
Examples
[math]\displaystyle{ \text{Mod}_\text{synergy} }[/math] Small SONARSmall + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.4375[math]\displaystyle{ 1.15 \times 1.25 }[/math]
Large SONARLarge + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.265[math]\displaystyle{ 1.15 \times 1.1 }[/math]
Armor Penetration
Indepentant of synergies, some equipment provides additional armor penetration to ASW attacks.

The flat armor penetration value is calculated as follows:

[math]\displaystyle{ \text{Pen} = \sum\limits_{\text{Equipment}} \Big( \sqrt{\text{ASW}_\text{Equipment} - 2} + \text{Mod}_\text{ship} \Big) }[/math]
With
  • [math]\displaystyle{ \text{ASW}_\text{Equipment} }[/math] the base ASW Anti-Submarine Warfare stat of the applicable equipment,
  • [math]\displaystyle{ \text{Mod}_\text{ship} }[/math] being 1 for DE, 0 otherwise,
Note
  • Armor penetration from equipment stacks,
  • The final armor of the targetted submarine cannot go below 1.

Notes

How To Obtain

From quest: B124 (choice)

Ranking reward for:

  • Feb 2015: 1-5 (x2), 6-20, 21-100, 101-500
  • Jun 2015: 1-5, 6-20, 21-100, 101-500
  • Sep 2015: 1-5
  • Oct 2015: 1-5, 6-20, 21-100

Updates History

  • 2015-03-18: Implemented as ranking reward
  • 2022-08-04: Became improvable

Fit Bonuses

Type 0 Passive Sonar Equipment Bonuses
Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Accuracy Evasion Note
Shoukaku Kai Ni /AShoukaku Kai Ni
Shoukaku Kai Ni A

Zuikaku Kai Ni /AZuikaku Kai Ni
Zuikaku Kai Ni A

Taihou KaiTaihou Kai
(1st equipped) (★0-2) +2 One-time
(1st equipped) (★3-4) +3 One-time
(1st equipped) (★5-6) +1 +3 One-time
(1st equipped) (★7) +1 +4 One-time
(1st equipped) (★8) +2 +4 One-time
(1st equipped) (★9) +2 +1 +4 One-time
(1st equipped) (★MAX) +3 +1 +4 One-time
Yamato Kai Ni /JuuYamato Kai Ni
Yamato Kai Ni Juu

Musashi Kai NiMusashi Kai Ni
(1st equipped) (★0-2) +1 One-time
(1st equipped) (★3-4) +2 One-time
(1st equipped) (★5-6) +1 +2 One-time
(1st equipped) (★7) +1 +3 One-time
(1st equipped) (★8) +2 +3 One-time
(1st equipped) (★9) +2 +1 +3 One-time
(1st equipped) (★MAX) +3 +1 +3 One-time
All Other Ships (1st equipped) (★3-4) +1 One-time
(1st equipped) (★5-6) +1 +1 One-time
(1st equipped) (★7) +1 +2 One-time
(1st equipped) (★8) +2 +2 One-time
(1st equipped) (★9) +2 +1 +2 One-time
(1st equipped) (★MAX) +3 +1 +2 One-time

Improvement

Sonar.png Type 0 Passive Sonar

Improvement Not
Upgradable
★ Improvement
Level
0~5 6~9
Development material Consumed 5/7 6/9
Improvement material Consumed 3/4 4/6
Equipment
Consumed
Equipment Card Type 93 Passive Sonar.png Equipment Card Type 3 Active Sonar.png
Items
Consumed
-
Resources Fuel10 Ammunition0 Steel170 Bauxite130
Ship Helper Conversion
Ship Banner Hiei.png
Hiei/Kai/Ni/C
-
Mon Tue Wed Thu Fri Sat Sun
Improvement Improved effects
SONAR 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Firepower 0.75 1.06 1.29 1.50 1.67 1.83 1.98 2.12 2.25 2.37
Anti-Submarine Warfare 0.67 0.94 1.15 1.33 1.49 1.63 1.76 1.89 2.00 2.11
Accuracy ASW 1.30 1.83 2.25 2.60 2.90 3.18 3.43 3.67 3.90 4.11
Evasion Torpedo 1.50 2.12 2.59 3.00 3.35 3.67 3.96 4.24 4.50 4.74

See Also