A playlist of the soundtrack used for Armored Core, and Armored Core: Project Phantasma for the PS1. There's only a few from Master of Arena because I don't want to hit the limit for future uploads.

Armored Core PSX OST

Gits

Jammin

No one else uploaded the one from AC1, so have this.

All rights go to FromSoftware, I only uploaded this so that others could listen to this and the rest of the game's soundtrack in Soundcloud.

High Fever Album Version - Armored Core Soundtrack

Response～Infraction - Armored Core Soundtrack

The one playing ingame. 

So far, only the album version was uploaded until now.

Shape Memory Alloys Game Version - Armored Core Soundtrack

Dotted Line - Armored Core Soundtrack

Junk Mail - Armored Core Soundtrack

Hoggishness - Armored Core Soundtrack

Mercury - Armored Core Soundtrack

Dooryard - Armored Core Soundtrack

Ghost in the Shell (PS1 OST)

WestBam - Featherhall

Hardfloor - Spook & Spell (Fast Version)

Brother From Another Planet - Ishikawa Surfs The System

Megatech Body.CD

Mijk Van Dijk - Firecracker

Takkyu Ishino - Ghost In The Shell

ARMORED CORE ORIGINAL SOUNDTRACK 20th ANNIVERSARY BOX / AC NEXUS Revo

Armored Core Nexus Revolution OST - #01 Whiz Drop Nutty

#13 Firework

Dooryard - Armored Core Soundtrack

PsycoDevil