Counterpoint software broadcast industry software for. The counterpoint sa3 is a pre amplifier in the solid state amplifier category. Need to say, michael elliott did a great job with this preamp. Counterpoint sa20 amplifier bias circuit service manual. The purpose of zeners is to protect the grid of v4 from positive voltage during the warm up. This amplifier do not use any ballast resistors in the source circuit. When you receive or download a new version, however, it does not necessarily include the latest corrections and updates. Service manual sa20 and sa220 power amp, sa5000 dual channel. Counterpoint sa 220 repair audioholics home theater forums.
Counterpoint sa4 tube monophonic power amplifier this was not working with 3 of the o\p valve anodes glowing red. I was wondering if anyone out there has the schematic. This website is not affiliated with or sponsored by counterpoint. The sa 220 is a counterpoint sa 20 which has been factory updated. There is a mute switch which if you remember to use it. We have 2 counterpoint diagrams, schematics or service manuals to choose from, all free to download.
I recently agreed to buy an sa3 preamp as a project. Download the counterpoint sa2 manuals for free hifi manuals. Apr 10, 2018 in appearance the counterpoint sa 7 tube preamplifier is quite attractive, possessing the thin, lowprofile look currently in vogue. Car audio systems and stereo equipment, amplifiers, speakers, subwoofers, cd changer. 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. The counterpoint sa 3 is a pre amplifier in the solid state amplifier category. Tempted to buy those minty yet needs repair sa12 or sa100 power. This site is specifically designed for training and support of ncr counterpoint. Can advise anybody to get this trafo with its feet off the metalhousing. Specifically the gate resistors and protection diodes on 1 of the channels. Counterpoint sa2 moving coil prepreamplifier sch service. Budget audiophile products are often met with caution, and justifiably so, but the sa 12 amp from counterpoint needs no such caution. Need sa20 and sa220 power amp, sa5000 dual channel hybrid preamp, sv5000. 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.
I bought recently little cute preamplifier counterpoint sa7. The biggest collection of counterpoint manuals and schematics. While firmware and software updates over the internet somewhat slow the constant. The stock mid1990svintage counterpoint sa 2000 is a tubed 6dj8 line stage preamp with a solidstate video output buffer. Counterpoint electronic 1991 sales brochure sa 5000, sa 11, sa 220, amp counterpoint sa 3000 blk face tube preamp audio magazine july 1990 features counterpoint sa 220 amplifier revi. The counterpoint sa5000 is a integrated amplifier in the solid state amplifier category. A very lightly usedthis unit was used for one summer at a weekend home. Since they are similar in nature, i thought, id also be happy with the sa3. Music reference has a 300watt monster amp on the drawing board and that.
Jan 08, 2003 the sa used a customdesign transformer, i am not aware of any stock transformers that will fill the bill. Counterpoint has raised the level of broadcast software to a new standard by combining industry knowledge, experience and expertise of broadcast systems with todays. Download counterpoint sa 20 amplifier bias circuit car audio systems and stereo equipment, amplifiers, speakers, subwoofers, cd changer, mp3 player pioneer, alpine, sony, kenwood, clarion, jvc service manuals and repair guides. Reluctantly selling my long time reference counterpoint sa5. Please suggest a replacement for counterpoint steve. For the last few months, random postings kept appearing on internet newsgroups and in my email box. Counterpoint sa12 manual stereo power amplifier hifi engine. Although i have done no sidebyside listening of levinson and counerpoint amps, i felt the same sense of awe with the sa220 as i did through levinson 333. Counterpoint electronic 1991 sales brochure sa5000, sa11, sa220, amp counterpoint sa3000 blk face tube preamp audio magazine july 1990 features counterpoint sa220 amplifier revi. The amp works best with martinlogan or quad electrostatic devices. 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.
Since they went out of business i did stay in touch with an engineer from there who has. Although i have done no sidebyside listening of levinson and counerpoint amps, i felt the same sense of awe with the sa 220 as i did through levinson 333. Download the counterpoint sa5 manuals for free hifi manuals. Counterpoint sa2000 black tube stereo preamp line stage. It s a 100watt tubesolid state hybrid amp, and it s a doozy. The counterpoint electronic affidavit system delivers log information to your affiliates as well as audio through the xdigital or wegener system interfaces. Counterpoint sa 2000 tube preamp for sale us audio mart. Or, if a circuit in one module malfunctions, you can send only that module back for repairs, not the whole thing. Counterpoint sa2000 black tube stereo preamp line stage no phono line stage only no phono. It s a 100watt tubesolid state hybrid amp, and it s a. Budget audiophile products are often met with caution, and justifiably so, but the sa12 amp from counterpoint needs no such caution. First, as he admitted in his website, he designed it with original. 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 are. Visit us online for more information or to download service manuals today.
After counterpoint went out of business, owner and designer michael elliott. The sa 12 isnt a pure tube unit, it is a valvesolidstate hybrid, employing four 100w mosfets per channel in the power stages, while all voltage amplification and output stage drivers are valve circuits two ecc88s6dj8s per channel. Its probably a long shot, but i was wondering if anyone had a schematic. Free counterpoint diagrams, schematics, service manuals. Very low hours fromnew as purchased from aurthur salvatore in toronto. Next time youre looking for a hardtofind brand service manual, look us up. Stage73 v is a software version of the classic electric piano manufactured by. Download the counterpoint sa5 manuals for free from the biggest counterpoint manual and schematic collection on the web. The sa used a customdesign transformer, i am not aware of any stock transformers that will fill the bill. I recently was given a counterpoint sa 220 amplifier. Counterpoint sa12 manual stereo power amplifier hifi. Counterpoint manuals, schematics and brochures hifi manuals.
Black counterpoint sa hybrid tubemosfet preamp mnt. This preamp has been my workhorse for a number of years, but the upgrade bug has bitten and i am powerless to resist. The stock mid1990svintage counterpoint sa2000 is a tubed 6dj8 line stage preamp with a solidstate video output buffer. Just check the noise with a stethoscoop and hear yourself.
I saw somewhere in a forum that another counterpoint preamp, the sa 3. I have been using a counterpoint sa2200 amp and sa300 preamp for, well, i guess 20 18 years or so. Counterpoint diagrams, schematics and service manuals download for free. Counterpoint sa20 vacuum tubemosfet hybrid stereo power amplifier. Jul 02, 2010 i recently was given a counterpoint sa 220 amplifier. Counterpoint sa2000 black tube stereo preamp line stage no. It has a pair of 12ax7 and a single 6dj8 for tubes, solid. Then theres the well known counterpoint sa12100, longtime favorites of mine. The lowestpowered amplifiers almost always have the most minimal circuit.
The schematic is a technical drawing or diagram of your system, a perfect supplement to the service manual. This site helps you to save the earth from electronic waste. The essential difference between these two preamps is that the sa55. Counterpoint sa 2000 black tube stereo preamp line stage no phono line stage only no phono. B has two zener diodes 1n5368b 47 vdc cut off in series, cathode to cathode, in parallel with 35 pf capacitor connected between grid and cathode in the follower stage. Untitled amplimos one stage amplifiers, amplificatori audio. The sa12 isnt a pure tube unit, it is a valvesolidstate hybrid, employing four 100w mosfets per channel in the power stages, while all voltage amplification and output stage drivers are. Unfortunately, the volume control on my unit didnt track accurately, and it was necessary to adjust balance with each change in volume. This classic amplifier puts out watts of very pure audio.
Hello diyaudio, i recently was given a counterpoint sa20 amplifier with a blown output stage. Im looking for a good home for it but here in edmonton no one knows what it is. Blown power transformer on a counterpoint sa preamp. Note original counterpoint box is for solid one preamp same size as sa 2000 so perfect fit. I saw somewhere in a forum that another counterpoint. Its probably a long shot, but i was wondering if anyone had a schematic for this amp. Service manuals, schematics, eproms for electrical technicians. Im hopeful it will be a fairly simple repair, compared to what counterpoint amps need when they have issues. Counterpoint sa20 and sa220 power amp service manual. In appearance the counterpoint sa7 tube preamplifier is quite attractive. In appearance the counterpoint sa7 tube preamplifier is quite attractive, possessing the thin, lowprofile look currently in vogue. While having non nfb circuit composition, the capability of sa12 is polished by adopting the thorough ground processing and the current supply circuit.
Several highly regarded preamps have come through my listening room, but none remained long when compared to the sa5. Below you will found our manuals on the counterpoint sa5. This preamplifier was introduced in 1982 as the sa 3. The unit was sent to altavista the old counterpoint folks in bend oregon abou. Attached please find the schematic for the unit i hope this helps. I see hundreds of dollars being spent for no repair. We carry service manuals for every consumer brand out there including counterpoint. There is a mute switch which if you remember to use it protects your amplifier from the preamps turnon and turnoff thumps. The schematic is a technical drawing or diagram of your system, a perfect. Counterpoint sa12 hifi power amplifier service manual free. 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. Counterpoint was a californiabased audio manufacturer who specialized in tube gear.
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