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EAR - 509 Power Amplifier - Buy EAR Monoblock Power Amps ...

    https://jaguaraudio.com/product/ear-509-monoblock-power-amplifiers/
    EAR (formerly “Esoteric Audio Research”) is the brainchild of Tim de Paravicini, whose name has been associated since the 1970s with electronics of the highest fidelity. De Paravicini’s innovative techniques have not only borne fruit in products for EAR, but in designs for some of the world’s most highly regarded electronics manufacturers.

Esoteric Audio Research E.A.R. 509 for sale.

    https://audioscope.net/esoteric-audio-research-ear-509-p-2070.html
    Esoteric Audio Research E.A.R. 509 Here comes a pair of Tim de Paravicini´s masterpieces in restored condition. Including the original boxes and manual! Hard to find better ones. 100 + 100 Watts Tube Power out of two PL 509 tubes. Theses are the original amplifiers produced with the best possible materials in the 70ies! Not the reissues ...

2 x Esoteric Audio Research E.A.R. 509 1977 | Philipp 's ...

    https://reverb.com/item/47006008-2-x-esoteric-audio-research-e-a-r-509-1977
    2 x Esoteric Audio Research E.A.R. 509 1977. Used – Very Good. $6,549.86 + $178.63 Shipping. Listing Ended. Make an Offer. Watch. If you watch the listing, we'll notify you if it becomes available again. Shipped From. Philipp 's Shop. Cologne, Germany (9) Joined Reverb. 2019. Message Seller.

Steve's - Esoteric Audio Research

    http://www.audiocircuit.com/Home-Audio/Esoteric-Audio-Research
    Within a year, he had set up Esoteric Audio Research Ltd., and was marketing the remarkable EAR 509 100 watt professional tube mono block power amplifiers. He developed a unique output transformer/tube interface circuit called balanced bridge mode", in which all the electrodes (except the control grids) have their own separate windings on the ...

Audio Research – High-end audio equipment

    https://audioresearch.com/
    Audio Research continues its dedication to unparalleled musical expression and crafting components of the highest quality and lasting value for its customers. Our long-term dedication to service is peerless in this industry (Audio Research, with few exceptions, can repair anything ever produced during its entire history).

EAR Yoshino | Inside EAR Yoshino

    http://earyoshino.com/inside/
    History. Founding EAR - Esoteric Audio Research Ltd was established in England in 1976 with the EAR 509, a 100 watt valve monoblock power amplifier. The product was a balance of performance, reliability, size and cost which is why it is still in production today. The power amplifier left a solid foundation to design future EAR products.

Ear 509 mk2 opinion - High-End Audio Discussion Forum

    https://forum.audiogon.com/discussions/ear-509-mk2-opinion
    Ear 509 mk2 opinion. I am just wondering has anyone experience this mono power amp. How does it compare to its similar price range. Does it give me the tube sound. It seem to be very difficult to find the information about this amp. I am choosing it between Audion golden knight (300b single end. My speaker is Zingali S2 (91db). with Classe source.

E.A.R. Esoteric Audio Research E.A.R. 519 amps EAR 100 ...

    https://www.audiogon.com/listings/tube-e-a-r-esoteric-audio-research-e-a-r-519-amps-ear-100-watt-monos-2015-04-13-amplifiers-98502-olympia-wa
    E.A.R. Esoteric Audio Research E.A.R. 519 amps for sale. This sale is for 1 pair of EAR 519 amps rack mount. The 519 is very close to the E.A.R. 509 amp. The difference between the 509 and 519 amps is the 519 amps have a separate screen supply which allo...

Esoteric Audio Research EAR 509 100 Watt Mono Block For ...

    https://www.canuckaudiomart.com/details/649293230-esoteric-audio-research-ear-509-100-watt-mono-block/
    Classifieds: FOR SALE or TRADE - Esoteric Audio Research EAR 509 100 Watt Mono Block asking for $600.00

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