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Audio Research HD220 Hybrid stereo power amplifier
https://www.hifisound.co.uk/amplifier-zone-c59/home-cinema-amplifiers-c71/power-amplifiers-c97/hd220-hybrid-stereo-power-amplifier-p1169#:~:text=Audio%20Research%20HD220%20Hybrid%20stereo%20power%20amplifier%20,150k%20ohms%20SE%20%2014%20more%20rows%20
HD220 Hybrid Drive Stereo Power Amplifier
https://www.digitec-derouet.com/photos/derouet_audio_research_hd220.pdf
Audio Research engineers to combine the strengths of two different technologies in a completely new power amplifier: the new Hybrid Drive HD220 stereo power amplifier. We call it “Hybrid Drive” because that’s how it works. As in the Reference 110, a JFET input (for low noise) feeds a 6922 dual triode
ARCDB
https://www.arcdb.ws/model/HD220
Hybrid stereo amplifier INTRODUCED 2007 OPTIONS - MSRP (US NEW RETAIL) $8,995 Brochures HD220 web flyer Manuals HD220 manual HD220 poster Specifications Power output 220 watts per channel into 8 ohms from 20Hz to 20kHz. 380 watts per channel into 4 ohms. Power bandwidth (-3dB points) 2Hz to 80 kHz Frequency response
Audio Research HD220 hybrid stereo amp. Re-capped and ...
https://www.audiogon.com/listings/lisa8336-audio-research-hd220-hybrid-stereo-amp-re-capped-and-serviced-many-positive-reviews-solid-state
Audio Research HD220 hybrid stereo amp. Re-capped and serviced. Many positive reviews! $9,000 MSRP [Expired] no longer for sale Average Research Pricing The HD220 is the best of both World's if you want a tube-like sound but with the power solid state.
Audio Research HD-220 Hybrid Fet Amplifier HD220
https://amlifiprea.com/hd-220
Audio Research Hybrid Drive Stereo Amplifier HD220 JFET Dual Triode Input Stage Used. USA Seller. And, needless to say, there are no output tubes to replace, ever. Both balanced and single-ended inputs are provided, as well as a detachable 20-amp IEC-connector power cord. In performance, as always, your own ears will be the final judge. Fixed Price
Owner’sManual - Audio Research
https://audioresearch.com/wp-content/uploads/2021/06/HD220_Manual.pdf
HD220 for On/Off control of the amplifier, or the 12V start-up trigger for remote installations. The AC power source for the HD220 amplifier should be capable of supplying 10 amperes for 100 or 120 volt units, or 5 amperes for 220 or 240 volt units. For …
Review: Audio Research Corporation HD 220 Amplifier
https://forum.audiogon.com/discussions/review-audio-research-corporation-hd-220-amplifier
Review: Audio Research Corporation HD 220 Amplifier. My musical tastes include primarily classical, jazz, folk/blues and some exceptional rock. Specific recordings can be discussed via phone @ 610-721-1304. Soundstaging, dynamics, transparency and coherence are paramount, while the correct tonality and warmth are of equal concern.
Audio Research HD-220 Hybrid Stereo Amp! | Tube | Audiogon
https://www.audiogon.com/listings/audio-research-hd-220-hybrid-stereo-amp
Audio Research HD220 Hybrid Stereo Amp In Classic Silver and black with handles a powerful 220 watts into 8 ohms and 400 ohms into 4 ohms. Comes complete like new in factory box. Current model Serial # 67103910. Looks like new condition rating lower to be conservative.
Audio Research HD220 Hybrid Stereo Amp - Audio Asylum Trader
https://www.audioasylumtrader.com/ca/listing/Amplifier-SS/Audio-Research/HD220/Hybrid-Stereo-Amp/111449
Audio Research HD220 Hybrid Stereo Amp: Price: $3,500.00: Original Price: $9,000.00: Days/Views: 2803 / 1627 (Posted 2014-05-20) Condition: 8/10 Very Good: Accessories: Original box, manual: Seller: Chris Adams (Contact Seller) (Other Seller Items For Sale) Feedback: 5.0/5.0 ...
Hybrids Are Hot | Stereophile.com
https://www.stereophile.com/ces2007/011207hybrid/index.html
Wes Phillips & Jon Iverson | Jan 12, 2007. "Recent advances in solid-state output devices and other components have opened up design possibilities never previously available," Audio Research's Terry Dorn explained. "And thatled to our developing the Hybrid Drive HD220 stereo power amplifier ($8995)." A JFET input feeds a 6922 dual-triode gain stage, which, in …
Audio Research – High-end audio equipment
https://audioresearch.com/
Audio Research has produced some of the finest components for music reproduction; this is especially true with regard to preamplifiers. In 1973, the SP3 was hailed as the best preamplifier available, and this tradition of excellence has continued ever since. The Reference Series from Audio Research was first introduced in 1995 and has been the ...
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