Quad Eight™ | QuadEightElectronics.comQuad Eight Electronics built very high quality audio consoles and outboard processing for the recording and post production industries from 1962 to the late 80’s, and is now back in business as a limited custom products manufacturer, Quad Eight Electronics, LLC. QuadEightElectronics.com features the latest products from the newly reformed company, repair parts and repair/ restoration services for original products, documentation and tips on restoring and revitalizing classic Quad Eight™ gear.
	TapeOp Magazine | TapeOp.comThe Creative Music Recording Magazine. Grassroots and Industry opinion, DIY for advanced and beginner, and articles you won’t find anywhere else. A very supportive audio community. Read excerpts from the Orphan Audio interview published in TapeOp here.
	GearSlutz Forums | GearSlutz.comMore talk! Some intelligent.
	VintageAmpRepair | VintageAmpRepair.comRandy in Columbus, Ohio repairs and has QE gear.
	Boutique Audio & Design Inc. | BoutiqueAudio.comCustom and standard rackmount enclosures for classic pro audio modules, sidecar console systems and high end pro audio products. Manufacturer of the Orphan Audio 1ru modular rackmount system.
	Jensen Transformers | JensenTransformers.comWorld Famous Audio Transformers for Build-It-Yourself and OEM Applications. Check out their applications and white papers pages for excellent build tips.
	CineMag | CineMag.bizOne of the first audio transformer manufacturers in Southern California, and maker of Quad-Eight, Sphere, and many other famous pro audio OEM transformers. Formerly Reichenbach Engineering.
	Manley Labs | ManleyLabs.com Manufacturers of the finest tube and transistor, studio and home audio gear we have ever seen. Home of modern Langevin brand products and manufacturer of the highest quality Pultec recreations and derivative products.