Parts Manufacturers - O to R
Parts Manufacturers - O to R

Bulgarian manufacturer of loudspeaker drivers, horns and accessories intended for professional audio usage. Company originally founded in 1989.
Oberton Co., 32 Tzar Simeon str., 4023 Plovdiv, Bulgaria.
Tel: +359 32 681 020. Fax: +359 32 681 021. E-Mail: info ^at^

OBO (Speaker and headphone drivers, mic inserts etc.) See --> OBO Pro.2

Ocean Electronics

Indian manufacturer that makes loudspeaker parts such as cones, surrounds and dust caps. Company founded in 1995 by Abdul Kadir.
Ocean Electronics, New By-paas Road, Shikarpura Village, Sanganer, Jaipur, Rajasthan - 302029, India.
Tel: +91 141 3241266. Fax: +91 141 2770189. E-Mail: info `at`

Korean producer of loudspeakers and drivers mostly for the OEM market, partially owned by Onkyo.
Korea Omyang Corporation, 371-41, Kasan-Dong, KumChun-Gu, Seoul, Korea.
Phone : +82 2 853 2701. Fax : +82 2 864 4940. Email : webmaster at

Overgaard Transformere
Danish company that manufactures transformers and similar wound parts, note that the company does not make audio transformers and is best known for their large 3 phase unit intended for industrial usage however they do make power and isolation transformers suitable for audio and AV production in addition to offering custom wound products.
Overgaard Transformere ApS, Vestergade 5, Skuldelev, DK-4050 Skibby, Denmark.
Tel: +45 47 52 06 06. Fax: +45 47 52 04 09. E-Mail: bc /at\

Panasonic (Semiconductors, passives & accessories) See --> Panasonic

PACT XPP Technologies
German company that makes DSP chips, these are available as chips that will fit into an intel Xeoon socket or as synthesisable cores and are highly parallel devices that see most use in servers that handle streaming etc..
PACT XPP Technologies AG, Walter-Gropius-Str. 15, D-80807 Munich, Germany.
Tel: +49 89 35344 0. Fax: +49 89 35344 199. E-Mail: info (at_

Peerless See --> Tymphany

Parrot (Wireless modules) See --> Parrot

P. Audio
Thai company that manufactures loudspeaker drivers suitable for use in pro-audio and musical instrumentation amplification, in addition to selling under its own name they are also an OEM and have a small range of PA and sound installation loudspeakers in addition to megaphones.
Distribution: In Holland by RSL & Partners
Homepage: .
P. Audio System Co. Ltd., 19/4 Moo 2, Phutthamonthon 5 Road, BangKratuek, Sampran, Nakornpathom 73210, Thailand.
Tel: +66 2 441 6600. Fax: +66 2 441 6699. E-Mail: info &at&

Philips See --> NXP (Semiconductors, IC's etc.) or Stage Accompany (Leaf loudspeaker drivers/tweeters)

Phy-HP See --> Laboratoire d'Acoustique et d'Electronique (Loudspeaker drivers)

Piyano See --> Piyano (Loudspeaker drivers & horns)

Canadian manufacturer that specialises in the manufacture of thorodial transformers, that includes audio and valve amplifier models that are licesnsed Menno Vanderveen designs from Amplimo and the company also distribute specilaised Amplimo products in NA such as power modules. The company also sells end user products under the Torus Power brand.
Distribution : In Ireland by Walton Audio

Poliron (Cables etc.) See --> Belden CDT

Precision Devices
UK based company that manufactures loudspeaker drivers primarily intended for PA usage, the company also owns Fane International which they formed after they bought the remains of Fane Acoustics, althoug Fane is technically an idependent company they are run from the same premises and manufacture drivers for the same market segment.
Homepage: -- Fane International homepage
Precision Devices International, Sovereign House, Gilcar Way, Wakefield Europort, Castleford WF10 5QS, England.
Tel: +44 (0)1924 224610 (PD) or +44 (0)1924 224618 (Fane). Fax: +44 01924 899166. E-Mail: info (at)

Radia Pro See --> BG Radia (Ribbon planar drivers)

RAM Tube Works (USA, matched valves) See --> Roger A. Modjeski

RCF (Loudspeaker drivers, horns etc) See --> RCF

Taiwanese company that manufactures silicon chips. Best known for their networking and communication chips but the company has also made audio chips for a number of years, these are more codecs (eg AC97) rather than proper soundcard chips per se and are thus mostly to be found in computers. Realtek has been expanding into the multimedia field and produces chips such as digital TV demodulators, but more interestingly they manufacture the RTD series of SoC chips that are basically an integrated HD media player.

Re'an See --> Neutrik (Connectors/patchbays) or Sulzer (Knobs)

Richard Jahre
A long running German manufacturer of high quality Mica capacitors and wound parts. Originally founded in Berlin in 1919 as "Radioapparatebau Richard Jahre".
Richard Jahre GmbH, Krabbenweg 14, 26388 Wilhelmshaven, Germany.
Tel: +49 (0) 44 21 5 28 40. Fax: +49 (0) 44 21 5 20 15. E-Mail: info _at_

RMJ Loudspeakers
British company that holds out a MI and pro-audio web store in addition to manufacturing loudspeaker drivers for PA usage under the Royal Loudspeakers name, the drivers are similar to the products shown by Fane Acoustics shortly before their demise and apparently designed by the same gent.
Homepage: -- Royal Loudspeakers homepage
RMJ Loudspeakers, 107 Goose Cote Lane, Keighley,BD22 7NQ, UK.
Tel: +44 (0)777 442 8670..

Japanese manufacturer of capacitors and power supplies, best known for their own line of high quality aluminium electrolytic capacitors although they also manufactured the Black Gate line of capacitors for Jelmax from 1988 to 2006.
Rubycon, 1938-1 Nishi-Minowa, Ina City, Nagano 399-4593, Japan.
Tel: +81 (0)265 72 7111. Fax: +81 (0)265 73 2914..

Next Page : Parts Manufacturers - S -- Previous Page : Parts Manufacturers - M & N

© 1993 - 2013 Ólafur Gunnlaugsson, all rights reserved.

The site was last compiled on Sun Nov 10 2013 at 9:15:00am