Adcom GFA-5802 2-Channel Amplifier. Adcom GFA-5400 2-Channel Amplifier. Download ADCOM GFA-5400 SM service manual & repair info for electronics experts Service manuals, schematics, eproms for electrical technicians This site helps you to save the Earth from electronic waste! I also owned a pair of mono block GFA565s. I use it to drive my vintage Acoustic Research loudspeakers which are difficult to drive, but the Adcom powers them well, and never distorts.
Do be certain to give the GFA-5400 room to breathe, as it will run a bit hotter than it&39;s bi-polar GFA 545II counterpart (true of all the MOSFET designs). I recently had a chance to leisurely compare three vintage items: an Adcom 5200 power amp, a Denon DRA-345 receiver, and an Onkyo TX-82 receiver, all around 45-50 w/ch. View and Download Adcom GFA-5800 service manual online.
I saw the Audio Source amps, and the AMC 2100, the lower spec&39;d Adcoms(52) and some pro audio gear and considered maybe the NAD C350, or to stretch to The ATI1502 or adcom mosfet gfa 5400 service manual the. Adcom GFA-7000 5 Channel THX-Certified Power Amplifier with Manuals. Bias (like other Adcom amplifiers) is toward class A, so it runs warm but not overly so.
with or sponsored by Adcom. A slightly warmer sound than the Nelson Pass designed GFA-5xx series yet retains those amps&39; strong foundation and bass control. Database contains 2 Adcom GFA-5400 Manuals (available for free online viewing or downloading in PDF): Service manual, Owner&39;s manual. Next, I adjusted DC offset. Adcom GFA-545 GFA-535 GFA-2 restoration recap service kit. Being voltage-driven devices (like valves), MOSFETS tend to be more tube-sounding and the 5500 exemplifies this.
high current mosfet power amplifier. ADCOM GFA-5400 Mosfet Stereo Amplifier. I adjusted both and it&39;s stabilized at just over 49mV on each channel. View and Download Adcom GFA-5800 owner&39;s manual online.
It&39;s about 19 years old and sounds surprisingly good. To purchase GFA-5400. However this PDF appears to be missing pages 8 and 9, and according to the table of contents page 9 has the schematic. Adcom gfa-545: owners manual (8 pages). Today I saw a GFA 555 in a pawn shop that I can pick up for 0 with a 7 day guarantee. I know that the 555 is 200 watts per channel and the 5400 is 125.
Below you will found our manuals on the Adcom GFA-5400. service manual - II service manual - Adcom Power Amplifiers. Trying to figure out if the 555 is an upgrade over the 5400 and can&39;t seem to find any direct information. Note that service documents for currently shipping products are restricted to use by ADCOM authorized service centers and may not be available for purchase until the product is retired from production.
Distortion increases with volume and the amp has a distortion LED that flickers. Section 2: Installation instructions for the GFA-4302 and GFA-4402 (These amplifiers use RCA type input connections) Section 3: Installation instructions for the GFA-4304, GFA-4404 and Adcom GFP-565 Preamplifier Original Box / Manuals “Superb Condition”. The procedures described here are adcom mosfet gfa 5400 service manual not intended for persons unfamiliar with the appropriate safety and test procedures.
Amplifier ADCOM GFA-5400 Service Manual. Reviewed Feb 22nd, by. Adcom Mosfet GFA-5400 2 Channel. The adcom mosfet gfa 5400 service manual owners manual is used as an reference guide, instruction manual and instruction book. If someone has the complete manual it would be greatly appreciated. GFA-5400 amplifier pdf manual download. Adcom GFA-535(first version) Incredible performance and power/price, very detailed, very warm sound, it has more power than 60/channel; I&39;m using it with: Adcom GTP-400 tuner/preamp, Burson Audio Swing DAC/preamp with discrete op amps Burson Audio Vivid V6, Wharfedale Diamond 225 speakers, Belden 9497 spakers cables and Belden 1694A coaxial cables.
Reviewed Jan 28th, by. I did alot of research and ended up with not much in my price range. Without any doubt, the GFA 5500 and GFA 5802 both throw a wider, deeper image with better low level detail while delivering this with a slightly less bright sound, than the GFA 555 II. - Adcom Power Amplifiers. 7Db Headroom More. I&39;ve owned the 5400 for years and love adcom it.
I&39;ve owned both the GFA 55 II. I would recommend the GFA-5400 very highly. If I can snag one of their amps on discount, I will. View and Download Adcom GFA-5802 owner&39;s manual online. Thank you for the Adcom GFA-5500 Service Manual.
User Manuals, Guides and Specifications for your Adcom GFA-5400 Amplifier. GFA-5802 amplifier pdf manual download. This website is not affiliated with or sponsored by Adcom. Download ADCOM GFA-5300 SCH service manual & repair info for electronics experts. I have compared it to the B & K ST-1400 (whick is also a good amp for the same money) and found the bass much deeper, the soundstaging better, and not as bright as the B & K.
The amp in question, the GFA-5400, was purchased used on Audiogon for 0 shipping included. Consumers and service centers can purchase service manuals for ADCOM legacy products online and download the document files immediately. Adcom GFA-5400 2-Channel 125-Watt Amplifier (Discontinued by Manufacturer). ADCOM GFA-5400 SM. It beats the pants off amps three times its price. Adcom GFA-5400 Manuals & User Guides.
service manual (no schematic) -. I&39;m intrigued at the favorable comparison with the Parasound A21. The service manual functions as a repair guide for troubleshooting and sometimes contains tips for refurbishing and modifications. com the operation manual. I own the Adcom GFA 5400, and for an amp in the 0-700 price range, this little guy does a fantastic job! View and Download Adcom GFA-5400 owner&39;s manual online.
This manual is divided into three distinct sections: Section 1: Common features, instructions and connections fora// ACCOM Car Audio amplifiers. The big Adcom overcomes the worst problem I faced in my system, that of dynamics and maintaining composure (without mushiness/harshness) when turned up loud with large orchestral works, big-bands. I&39;ve currently got a GFA 5400 that I recently acquired. Adcom GFA-5400 - power amplifier overview and full product specs on CNET. Check and download from service manual.
it is the non-IEC power cord version. I have had great experiences with Adcom equipment having 4 of their power amps and 3 pre-amps. The amp has a distortion/static that I hear with the music, no static when no music is playing, distortion not noticeable during very light musical parts. I took the liberty of checking bias and DC offset; the bias was quite low at under 15mV on each channel (service manual says 50mV +/-5mV). Section 2: Installation instructions for the GFA-4302 and GFA-4402 (These amplifiers use RCA type input connections) Section 3: Installation instructions for the GFA-4304, GFA-4404 and.
GFA-5800 amplifier pdf manual download. high current power amplifier. Visit us online for more information or to download service manuals today. This service manual is intended to assist trained and qualified technical personnel in verifying the performance of, adjusting, and repairing the ADCOM GFA-7807 amplifier. 2 channel power amplifier (8 pages) Amplifier Adcom GFA-545 Owner&39;s Manual. I&39;m watching the Adcom site, hoping for some kind of price break after Christmas.
It combines the warmth and detail of tubes with the tight fast bass of transistors. Adcom-GFA-5400-Service-Manual Adcom-GFA-5450-Owners-Manual Adcom-GFA-5475-Owners-Manual Adcom-GFA-5500-Schematics Adcom-GFA-5500-Owners-Manual Adcom-GFA-5500-Service. View and Download Adcom GFA-5400 owner&39;s manual online. If anyone knows please let me know. 0 out of 5 stars. Hi all, I picked up an Adcom GFA 5400 2 channel power amp.
net carries service manuals for many different products, including the ADCOM GFA-5400 SCHEMATICS ONLY. I just acquired a used Adcom GFA-5500 two channel amplifier. To purchase GFA-545 spares or.
Service manuals, schematics, eproms for electrical technicians. 4_ Mosfet Output Circuitry Tremendous 1.
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