Per previous owner, he did the alta vista upgrade with black gate caps. Counterpoint sa100 tube amp audiogon discussion forum. Counterpoint was a californiabased audio manufacturer who specialized in tube gear. It has one 6dj8 6922 tube for the line stage with some fets for. I think few of us would consider any of the counterpoint saseries hybrid amps the sa4 futterman is a different. Ncr counterpoint overview 864k ncr counterpoint inventory management 840k ncr counterpoint pos 533k ncr counterpoint mobile 578k ncr secure pay 537k. I think few of us would consider any of the counterpoint saseries hybrid amps the sa4 futterman is a different story to. Counterpoint has raised the level of broadcast software to a new standard by combining industry knowledge, experience and expertise of broadcast systems with todays powerful software and hardware capabilities. I am having some issues and considering replacing but not sure what to be looking at. The speaker relay was not operating and the valve biasing was incorrect.
The stock mid1990svintage counterpoint sa 2000 is a tubed 6dj8 line stage preamp with a solidstate video output buffer. Currently we have 27498 diagrams, schematics, datasheets and service manuals from 978 manufacturers, totalling 66. Original owners manual and sales literature are included with the preamp. Jul 02, 2010 i recently was given a counterpoint sa 220 amplifier. The counterpoint sa5000 was introduced in 1990 and was the most expensive of the thousandseries preamplifiers. Counterpoint sa 3000 hybrid tube preamp for salejust pulled this out of storage and its in excellent condition all green leds are lit and all red leds are off. Its actually more of a total upgrade than what i do for the sa 20220. This website is not affiliated with or sponsored by counterpoint. I saw somewhere in a forum that another counterpoint preamp, the sa 3. Counterpoint sa tube hybrid stereo preamplifier with phono. This site is specifically designed for training and support of ncr counterpoint. Counterpoint sa 3000 preamp hybrid service manual from.
Counterpoint sa3 preamp that was totally rebuilt and upgraded in 2012. Service manuals, schematics, eproms for electrical technicians. I decided to do this video to help anyone who wishes to perform the same repairmodification. Ncr counterpoint overview 864k ncr counterpoint inventory management 840k ncr counterpoint pos 533k ncr counterpoint mobile 578k ncr secure pay 537k ncr smart alerts 549k hardware. To purchase sa 100 spares or accessories, please contact the company via their website or visit an authorised retailer. Michael elliott joined counterpoint in 1979 to design a vacuumtube movingcoil head amp. At last count there were 10,000 counterpoint preamps, power amps, and loudspeakers fanned out across the planet, some dating back to 1977, when the company launched its first product. Kenwood kac9106d 2000w monoblock class d car audio power amplifier. Amplifiers over the years, more than a few pieces of high end audio equipment have achieved legendary status. Counterpoint sa dualchannel hybrid stereo preamplifier. Since counterpoint gave me everything i want, while search for years, make uncontrolled comparisons and still unsure what to do.
I was wondering if anyone out there has the schematic of this amp, or could enlighten me as to what the values of these resistors and diodes. Download the counterpoint sa2 manuals for free hifi manuals. The counterpoint sa 2 uses vacuum tubes and was manufactured in the usa by counterpoint electronics from 19821991. Counterpoint sa3000 hybrid tube preamp for sale us audio mart. Blown power transformer on a counterpoint sa preamp chas jenkins amppreamp asylum. Whether youre a redhat guru, seasoned unixpro, or thinking about switching your counterpoint v7 windows, citrix, terminal services, novell, or dos system to linux, this forum is for you. Aug 25, 20 i have been using a counterpoint sa 2200 amp and sa 300 preamp for, well, i guess 20 18 years or so. Download free diagrams, schematics, service manuals, operating manuals and other useful information for a variety of products. Requests for the same type of improvement for the smaller counterpoint amps, the sa 12 and sa 100, spawned a new upgrade that became available last month. Counterpoint sa3000 hybrid tube preamp for salejust pulled this out of storage and its in excellent condition all green leds are lit and all red leds are off.
The schematic is a technical drawing or diagram of your system, a perfect supplement to the service manual. There were several diodes faulty on the regulator board and one of the blue capacitors had a badly corroded screw connection. With each pending proposal and order, counterpoint automatically updates all inventory, revenue, sales, and management reporting with no duplication of entry. Counterpoint software broadcast industry software products. The smallest otl that can be made uses 2 output tubes per channel and one driver. Specifically the gate resistors and protection diodes on 1 of the channels.
After that weekend i was sure that this is the preamp im looking for. Poor audio quality from the ipad mic but perfect functioning on both units. If you want to join us and get repairing help please sign in or sign up by completing a simple electrical test or write your question to the message board without registration. Please suggest a replacement for counterpoint steve.
The counterpoint sa3 an incredibly great sounding tube preamp right out of the box, but the upgrades made in this sa3 reall. Counterpoint sa2 moving coil prepreamplifier sch service. Also have a counterpoint sa 220 tubemosfet amp for. Cugs counterpoint linux forum protected forum counterpoint v7 and linux. Otl3 both used 8 output tubes per channel to achieve 100 watts. Below you will found our manuals on the counterpoint sa2. Counterpoint sa20 vacuum tubemosfet hybrid stereo power amplifier. The biggest collection of counterpoint manuals and schematics. The sa used a customdesign transformer, i am not aware of any stock transformers that will fill the bill. Use hifi shark to monitor pricing and global availability. Counterpoint sa 220 repair audioholics home theater forums. I have two amps but only one channel works on each so i am going to try and put together one amp out of the two. The counterpoint sa 3 an incredibly great sounding tube preamp right out of the box, but the upgrades made in this sa 3 reall.
It has a pair of 12ax7 and a single 6dj8 for tubes, solidstate. Very low hours fromnew as purchased from aurthur salvatore in toronto. A very lightly usedthis unit was used for one summer at a weekend home. The unit was sent to altavista the old counterpoint folks in bend oregon abou. To purchase sa100 spares or accessories, please contact the company via their website or visit an authorised retailer. Its actually more of a total upgrade than what i do for the sa20220. Premiere pro is the industryleading video editing software for film, tv, and the web. It features hybrid video buffertube phono stage and line stage. Counterpoint sa100 manual dual channel power amplifier.
Black counterpoint sa hybrid tubemosfet preamplifier mint condition a a truly rare find for the vintage high end tube stereo enthusiast. Please suggest a replacement for counterpoint steve hoffman. I even verified the reference voltages to be exactly the same as the ones depicted in the schematics a gentleman from italy has the sa 100 drawn out and is downloadable everywhere. The counterpoint sa5000 is a integrated amplifier in the solid state amplifier category. Attached please find the schematic for the unit i hope this helps. The counterpoint sa2 is a prepreamplifier a head amp for amplifying the signal of a moving coil cartridge before the signal is connected to the phono input on the preamplifier. Counterpoint manuals, schematics and brochures hifi manuals. This was not working with 3 of the o\p valve anodes glowing red. The counterpoint sa2 uses vacuum tubes and was manufactured in the usa by counterpoint electronics from 19821991. Instead of reworking the main audio board, i replace it with a new. Counterpoint sa20 stereo tube hybrid power amplifier for. Items in the worthopedia are obtained exclusively from licensors and partners solely for our members research needs.
With this software, arrange and compose melodies and accompaniments based on the rules of harmony and counterpoint. Mosfet has a ton of life left and i just replaced the 6ca4 tube with a nos ge tube. I have been using a counterpoint sa2200 amp and sa300 preamp for, well, i guess 20 18 years or so. It s a 100watt tubesolid state hybrid amp, and it s. We have 2 counterpoint diagrams, schematics or service manuals to choose from, all free to download. This site helps you to save the earth from electronic waste. I need a schematic for a counterpoint sa20220 power amp. The stock mid1990svintage counterpoint sa2000 is a tubed 6dj8 line stage preamp with a solidstate video output buffer. Free counterpoint diagrams, schematics, service manuals. Budget audiophile products are often met with caution, and justifiably so, but the sa12 amp from counterpoint needs no such caution. Counterpoint sa3 tube preamp superb phono section major. The counterpoints hybrid circuit uses two 6dj8 dualtriodes per channel for its input and driver stages. Requests for the same type of improvement for the smaller counterpoint amps, the sa12 and sa100, spawned a new upgrade that became available last month. Hello diyaudio, i recently was given a counterpoint sa20 amplifier with a blown output stage.
Counterpoint sa2 prepreamplifier head amp audio asylum. Counterpoint sa20 and sa220 power amp service manual. The ncr counterpoint solution includes an email marketing tool, integrated ecommerce, mobile alerting, builtin gift card and customer loyalty programs and hardware specifically designed for the retail. Blown power transformer on a counterpoint sa preamp. Black counterpoint sa hybrid tubemosfet preamp mnt. It s a 100watt tubesolid state hybrid amp, and it s a doozy. After counterpoint went out of business, owner and designer michael elliott formed alta vista audio llc, a company devoted to the repair and. Counterpoint sa 3 preamp that was totally rebuilt and upgraded in 2012. Our service manuals are available in hard copy, cd rom and. That basic configuration was used by me in the counterpoint sa4 in 1984.
It is the late 80s or early 90s and was the entry level preamp for counterpoint at the time. Schematics unlimited free diagrams, schematics, service. Its probably a long shot, but i was wondering if anyone had a schematic for this amp. Counterpoint sa3000 hybrid tube preamp for sale us. Counterpoint sa 20 vacuum tubemosfet hybrid stereo power amplifier. Counterpoint diagrams, schematics and service manuals download for free. Honestly, i knew that it could be take years to listen every choice i want. The counterpoint sa 2 is a prepreamplifier a head amp for amplifying the signal of a moving coil cartridge before the signal is connected to the phono input on the preamplifier. Once completed, a proposal can be put on hold awaiting approval or automatically converted to an order. This preamp has been my workhorse for a number of years, but the upgrade bug has bitten and i am powerless to resist.
Since they went out of business i did stay in touch with an engineer from there who has helped keep my equipment going. Jan 08, 2003 the sa used a customdesign transformer, i am not aware of any stock transformers that will fill the bill. Quad esl 57, mark levinson ml2, marantz 7, 8b, and 9 just to name a few. After counterpoint went out of business, owner and designer michael elliott formed alta vista audio llc, a company devoted to the repair and modification of counterpoint equipment. The owners manual is used as an reference guide, instruction manual and instruction book. Counterpoint diagrams, schematics, service manuals. Visit us online for more information or to download service manuals today. I recently was given a counterpoint sa 220 amplifier.