Audio Research Sp3 Update | Audio-Digital.net

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Audio Research SP-3 | Tube | Beverly Hills, California ...

https://www.audiogon.com/listings/lisaf773-audio-research-sp-3-tube

This update applies to all versions of the SP3. Cost is US$995.00. It does not include tubes, if needed, or shipping. It is offered on a direct basis only, rather than through our dealer or distributor networks. Updates must be scheduled for timely turnaround.

ARCDB

https://arcdb.ws/SP3/SP3.html

SP3 Update from ARC | What's Best Audio and Video Forum ...

https://www.whatsbestforum.com/threads/sp3-update-from-arc.1242/

I have first hand experience with the Audio Research SP3 factory update. The new capacitors makes the updated unit look twenty years younger. The sound though was not the same and unfortunately was worse. All my listening buddies asked me why it …

Audio Research SP-3 Vintage All Tube Preamplifier ...

https://skyfiaudio.com/products/audio-research-sp-3-vintage-all-tube-preamplifier-complete-collector-grade-restoration

This is a collector grade restoration of a classic and well regarded preamp from Audio Research. The exact model designation is SP3 Series A. An excellent match for any vintage system using speakers that might require a bit of boost from the built-in tone controls. You're not going to find a finer electrical restoration. Check out our Audio Research SP3 Series video to understand the …

Audio Research – High-end audio equipment

https://audioresearch.com/

Preamplifiers. 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 ...

Audio Research SP-3 preamplifier | Stereophile.com

https://www.stereophile.com/content/audio-research-sp-3-preamplifier

We don't know just how low the distortion is in the SP-3's preamp (it was unmeasurable on our modest little Heath Audio Analyzer), but it sounds lower than in any other preamp we have ever heard, if cleanness and musical purity are any indication, which they are. There is less of the things which generally annoy us in phono reproduction, but virtually none of …

Audio Research SP3-a1 - Audiogon Discussion Forum

https://forum.audiogon.com/discussions/audio-research-sp3-a1

This discussion. Message User. 9 posts. 06-10-2018 4:34pm. Edit. Delete. My SP3-a1 is a stock unit and they want around $1800.00 to rebuild the power supply., then they were going to look at the audio section.They also offer an …

Audio Research SP3-C | Tube | Audiogon

https://www.audiogon.com/listings/tube-audio-research-sp3-c-2016-01-06-preamplifiers-78704-austin-tx

Audio Research Brief----- Factory Update Program for SP3 Series Preamplifiers Audio Research has the reputation for the best product support in the industry, which includes service for products that date back to the beginning of the high-end industry and to the founding of our company over 30 years ago.

Audio Research SP-3A-1 Tube Preamplifier - Restored ...

https://skyfiaudio.com/products/audio-research-sp-3a-1-tube-preamp-restored

Audio Research SP-3A-1 Tube Preamplifier - Restored. $0. Many consider the SP3 as the finest preamp ARC ever produced. Its classic looks and reliable operation have made this piece a favorite among classic collectors. This particular sample …

Vintage preamps Part 3, Audio Research SP3 - YouTube

https://www.youtube.com/watch?v=ImDH4k5LrlM

More info on the Audio Research SP3 A1 I reviewed. https://skyfiaudio.com/products/audio-research-sp-3-a1-tube-preampThat one is now sold, but SkyFi has anot...

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