The adcom gfa 5500 is likely the best value in the market. The gfa5800 has most of the detail and sweetness of highend tube amplifiers, and the. The adcom gfa545 ii is a highvoltage amplifier and bias source for stax electrostatic headphones. View and download adcom gfa 5802 service manual online. It turns off for a second but goes through cycles of on and off every couple of seconds. The manual was written in by adcom and applied to gfa5800. The adcom produces a very deep and wide soundstage. The adcom gfp1, like its companion power amplifier the gfa 1, is compact and unobtrusive. Adcom gfa5503 amplifier overview and full product specs on cnet. I have an adcom gfa5200 stereo amplifier that is not working right now. The adcom gfa 545 ii is a highvoltage amplifier and bias source for stax electrostatic headphones.
It turns off for a second but goes through cycles of on and off every couple of. New audiocontrol new x series preamps and avrs now available the companys new 16channel. Adcom 8551 east anderson drive, suite 105 scottsdale, arizona 85255 480 6072277 voice 480 3489876 fax. In general, and this is purely for the two channel adcoms, they have always made a point of having excellent current capacity, a forgiving nature for some difficult impedances, and really well considered transformers. Adcom gfa5802 manual stereo power amplifier hifi engine. This website is not affiliated with or sponsored by adcom. Has anybody heard the gfa 5500 and would they say its similar to the 5800. View and download adcom gfa 2535l owners manual online. Adcom gfa5800 opinions as a recent owner of the adcom gfa5800 ive developed some strong opinions of the sound. The gfa 5800 has most of the detail and sweetness of highend tube amplifiers, and the.
It is a silent partner in a visual sense as well as sonically, doing its job without unnecessary frills or gimmicks. Adcom gfa5300 power amp, i have been a audio fanatic for longer then i want to remember, all as i can stay,any body staying that the adcom gfa5300 power amp doesn,t sound good, has a piss pure sounding preamp hooked up to it, to make a long story short, as i found out with the one i have,i had a nikko betta 30 preamp hooked up to it at first,the low end was like it wasn,t. Database contains 2 adcom gfa 5800 manuals available for free online viewing or downloading in pdf. My editor felt it was time to survey a handful of what might be called entrylevel highend amplifiers. Its predecessor, the gfa5800 is also highly regarded. Adcom gfa 5800 250 watt nelson pass designed amplifier. Nov 20, 2010 adcom gfa 5800 250 wpc solid state amplifier. The face plate is embossed with horizontal lines the panel is actually extruded.
Below you will found our manuals on the adcom gfa 5800. Adcom gfa 5800 opinions as a recent owner of the adcom gfa 5800 ive developed some strong opinions of the sound. I am third owner so no original box though i do have user manual. The srmt1 has two professional 580 v and a third standard 230 v output, so any stax earspeaker ever made since 1959, from the original sr1. In order to determine the performance of the gfa585se, adcom developed a computer model of a difficult loudspeaker load. The biggest collection of adcom manuals and schematics.
Adcom high performance audio amplifiers, preamplifiers and. The only downside is the heat generated as they are biased ab1. The adcom gfp1, like its companion power amplifier the gfa1, is compact and unobtrusive. The adcom blows all of these amps away including the krell which is a. Adcom gfa 5800 250 watt nelson pass design amplifier for sale. Adcoms gfp 555 ii preamp and gfa 545 ii power amp cost 499 each, for a combined price just 2 below the fourfigure mark. Oct 06, 2015 some notes about restoring a gfa5802 posted on october 6, 2015 january 26, 2016 by hoppesbrain just some thoughts and pictures from this adcom gfa5802 ive just restored for jeff in washington. Mar 08, 2006 i have an adcom gfa 5200 stereo amplifier that is not working right now. The gfa565se is quite possibly the perfect example of adcoms goal to effortlessly reproduce music with exquisite detail.
A250 watts continuous average power into 8 ohms at any frequency between 20 hz and 20khz with both. I am the original owner of this amplifier which has been a work horse for me for many years. And that tariff will pay for all manner of worthwhile britishmade. Adcom gfa5800 opinions as a recent owner of the adcom gfa 5800 ive developed some strong opinions of the sound. Looking sort of like a black ice cube on steroids, it combined several interesting technologies. Each, in its way, can serve as a vital link in a system which, with. Creating the big, roomfilling sound of a true home theater system doesnt mean you need an oversized amplifier. The srmt1 has two professional 580 v and a third standard 230 v output, so any stax earspeaker ever made since 1959, from the original sr1 to todays sr009, works perfectly.
Much of its design was conceived by nelson pass, founder of threshold corp. Save adcom gfa 5500 to get email alerts and updates on your ebay feed. It is my main power amp driving 4 klh fives, 2 large advents and 2 custom kenw ood 440s. User manuals, guides and specifications for your adcom gfa 5800 amplifier. Service manuals, schematics, eproms for electrical technicians. Adcom gfa 5300 power amp, i have been a audio fanatic for longer then i want to remember, all as i can stay,any body staying that the adcom gfa 5300 power amp doesn,t sound good, has a piss pure sounding preamp hooked up to it, to make a long story short, as i found out with the one i have,i had a nikko betta 30 preamp hooked up to it at first,the low end was like it wasn,t there, then i got.
The manual was created in pdf format with the filename of gfa5800manual. I dont own this but ive used it at a studio with a set of tannoy 8s i believe. The adcom gfa2 stereo power amplifier features a stable, lownoise, lowdistortion front end using differential fet amplifiers. Detail is excellent without being bright like some competitors. I purchased this amplifier from almas hifi in bloomfield, michigan. The owners manual is used as an reference guide, instruction manual and instruction book. I noticed a difference in the bass, which seemed deeper and more solidstrange because adcoms reputation has always been of strong solid bass. A 300wpc monster, with 16 hexfet output devices per channel. A computer model mimics the reactance of the very difficult speaker and duplicates the actual phase angles of the voltage and current throughout the entire audio range. Adcom manuals, schematics and brochures hifi manuals. View and download adcom gfa 5800 service manual online. To purchase gfa5800 spares or accessories, please contact the company via their website or visit an authorised retailer. Power amplifier 10 pages amplifier adcom gfa 585 owners manual. Each, in its way, can serve as a vital link in a system which, with carefully.
Ive had mine over ten years and pushed it hard on cds and dvd concerts without any problems. The amp seems to do a great job of powering these monitors, and the owner of the studio mentioned that its the best amplifier he has heard from the monitors, which is something that can. The adcom gfa1 is a power amplifier in the solid state amplifier category. I have used an adcom gfa545 and gfa555 and both are great amplifiers. Thats why adcoms gfa6000 5 channel power amplifier was specially designed for the home theater customer who needs a compact yet powerful source for five speaker surround sound. For 300 bucks, you got a true dualmono amplifier designed by nelson pass.
Adcom gfa2535 amplifier service manual download, schematics. Adcom high performance audio amplifiers, preamplifiers. To open downloaded files you need acrobat reader or similar pdf reader program. Gfa565se is an extremely powerful amplifier, offering 250w of pure power with high current drive capability, with both balanced and unbalanced power stage. Download countless of free service manuals you find nowhere else. I currently use a gfa555 with a pair of jbl 4408as and its loud and clear. Use hifi shark to monitor pricing and global availability. One could hardly call these amps sleek, because they are very big. This was adcoms biggest and most expensive amplifier. The aragon added more depth to the presentation and emphasized the high frequencies compared to the gfa7700. Adcom gfa5800 2 channel power amplifier for sale online ebay. To purchase gfa 5800 spares or accessories, please. Sep 15, 2011 testing the adcom gfa 5800 mbung lapanpuluhan. The amp has a very high dampening factor, is a high current design and uses 3 gain stages as opposed to 5 like many.
Nov 21, 2004 adcom gfa 1a amplifier by pearljamkornfan nov 21, 2004 8. Below you will found our manuals on the adcom gfa5800. Onoff switch does not work, apparently not unusual with s. Download the adcom gfa5800 manuals for free hifi manuals. I have used an adcom gfa 545 and gfa 555 and both are great amplifiers. Adcomparts a source of original electronic and mechanical parts and components for adcom denon marantz onkyo receivers, amplifiers, cd players. Adcom gfa5800 amplifiers description a250 watts continuous average power into 8 ohms at any frequency between 20 hz and 20khz with both channels driven at less than 0.
Posted on october 6, 2015 january 26, 2016 by hoppesbrain just some thoughts and pictures from this adcom gfa5802 ive just restored for jeff in washington. The adcom gfa 5800 is a stereo power amplifier for your passive monitors. Thats why adcom s gfa 6000 5 channel power amplifier was specially designed for the home theater customer who needs a compact yet powerful source for five speaker surround sound. The super high current adcom gfa535 ii hoppes brain. View and download adcom gfa5800 service manual online. The adcom gfa5800 is a stereo power amplifier for your passive monitors. I want to rework the jbl 4408as because i think they are a little tinny on the top end, but from what ive read from jim is that its not the tweeters but crossover components. Adcom gfa 5800 amplifier nelson pass design audioholics. At its modest price, this is one of the better preamplifier values on todays market.
View and download adcom gfa5800 owners manual online. Bass all over the place as stereophiles sam tellig was so fond of saying. These are all acoustic suspension speakers that take a lot of power to drive. View and download adcom gfa 5800 owners manual online. Unpacking before your gfa 585se left our plant, it was carefully inspected for physical imperfections and tested for all electrical performance parameters as a routine part of adcom s systematic quality control.
Adcoms first electronic product, the groundbreaking gfa1 power amplifier, appeared in december 1979. The output stages of the gfa2 use highspeed bipolar transistors, and entirely separate power supplies for the two channels enable each channel to deliver its maximum power regardless of the status of the other. Adcom gfa555 mk2 original service manual pdf format suitable for windows xp, vista, 7 download. I will cop to being an adcom fan, and think they compare very favorably with brystons. Feb 07, 2015 adcom gfa 5800 250 watt nelson pass design amplifier for sale. Posted on june 12, 2015 july 25, 2015 by hoppesbrain. Used adcom gfa5800 stereo power amplifiers for sale hifishark. The adcom performed at a peer level and produced superb results. Jun 12, 2015 the super high current adcom gfa 535 ii. I currently use a gfa 555 with a pair of jbl 4408as and its loud and clear. Limited edition high current power amplifier 12 pages amplifier adcom gfa 585 service manual. Its predecessor, the gfa 5800 is also highly regarded. Adcom had a sensational success with the gfa535 in the 80s and 90s. View online or download adcom gfa5800 owners manual.
279 1015 1297 477 1197 1121 1041 733 1437 369 886 1515 990 861 427 1263 207 133 454 1381 681 520 1493 130 496 839 1470