Its more about myerss no compromise design philosophy, which is well documented in the instruction manual. This unit was designed by tomlinson holman the th in thx. Offering my apt holman preamp which has been in the closet for well over a decade. This faceplate also included the black knobs that replaced the original gray knobs. Oscar pettiford, thad jones, charles mingus, kenny clark, jimmy jones, hank jones, osie johnson. As i immediately discovered, and as myers and leebens also heard, the stellar is extremely sensitive to grounding, ultralowcapacitance cables, rf, and other kinds of interference. Does anyone have access to schematics andor owners manual for the apt holman pre amp. I replaced a parasound zphono running into an hk citation 17s preamp with the apt preamp. I noticed one on ebay and remembered the aptholman name from reading about the audio critic reference stack back in 1979 or so. Its been recapped throughout with premium audio grade types nichicon muse and elna sil. Apt corporation holman preamplifier preamp in very good condition. Hifi manuals uses cookies exclusively to gather anonymous data that help us improve the website. Apt holman diagrams, schematics and service manuals download for free.
Case is in excellent condition but needs a new power supply. Free apt holman diagrams, schematics, service manuals. Apt holman preamp and amp steve hoffman music forums. For sale new york city, ny apt holman preamplifier headphone amplifier if youre viewing this, you likely already know about this terrific preamp that was made in cambridge, ma. Unit is perfectly usable as is, aside from the two aforementioned issues. Late last august, the company announced they were switching from a traditional dealer network to a factorydirect sales model. It has been used primarily as a backup preamp for whatever i am using as a main preamp. It features filtering to avoid interaction from other signals outside the audio band. I bought this unit in 1979 and, despite continuous use until a couple of years ago. I love the feature rich preamp and the phono stage is. Apt holman power amplifier 1 vintage classic ss solid. The apt holman preamplifier is the most well thoughtout stereo preamplifier ever designed. I have owned an apt holman preamp for the past 16 years. Yeah, i liked the advent receiver for its simplicity and cost effective yet decent sound.
Apt holman manuals, schematics and brochures hifi manuals. Tom holman has many pages of specifications and how to measure them in the apt holman preamplifier service manual. The ebay photo had the balance knob all the way to. Preamplifier 721 preamplifier 721721 user manual user manual. Apt corporation holman preamplifier, vintage preamp. Picture of preamplifier front, taken from an item which was recently offered for sale in canada. The music room is now the largest online retailer of preowned hifi equipment in the world. Apt corporation holman manual stereo pre amplifier.
This manual contains also useful tips for the optimisation of your overall hifi. We have 1 apt holman manual available for free pdf download. Apt corporation power amplifier 1, holman designed. I just bought an apt holman preamp on ebay, based on the units reputation of having a very good phono section. At, we carry apt service manuals for most apt models including apt1 service manual, holman preamp.
It provides a flexible complement to the aptholman pre amplifier, but it is meant to allow an optimum match, without detrimental interactions, to any other possible system components. Shortly after the purchase i replaced the original gray 17 faceplate with the black 19 faceplate. The aptholman preamplifier has been designed to provide a control center for home music systems which allows maximally flexible use of other equipment. Does anyone have a users manual or other literature for this preamp. In the meantime ill be using the hafler or a nad but, bass excluded, theres a lot of what the apt holman has that i miss. Apt holman preamp expectations steve hoffman music forums.
Apt holman preamplifier, owners manual, original test report, original box and associated documentation. We understand your eagerness to get started but even though please study this manual step by step before you integrate the preamplifier 721 in your high fidelity system. Measurements usage recommendations tom holman has many pages of specifications and how to measure them in the apt holman preamplifier service manual. I noticed one on ebay and remembered the apt holman name from reading about the audio critic reference stack back in 1979 or so. I have a copy of the ah stereo preamplifier one service manual, i havent seen one for the preamplifier two. The service manual functions as a repair guide for troubleshooting and sometimes contains tips for refurbishing and modifications. Together, the units are quite musical and enormously pleasant to listen to. Apt holman preamp a classic in great condition sold. And perhaps most important, what r constitutes this typical maintenance and repair. A preamplifier, or preamp, is a part of the signal chain for using a loudspeaker to play audio.
I have owned this preamp since 1984, when i bought it. I picked up a new to me hk citation 16a recently, and the owner great guy lent me an apt holman preamplifier for audition. Apt corporation holman manual stereo pre amplifier hifi engine. Hello, i realize this is top dollar for this unit these days. Visit us online for more information or to download service manuals today. I just picked up an apt holman preamp along with an amber 70 amp and a pair of. The ebay photo had the balance knob all the way to the right, and sure enough, one channel was out when it arrived. Apt corporation holman preamplifier, vintage preamp, audiophile quality, clean condition is used.
Headquartered in beautiful erie colorado, the music room is a team of 23 strong and growing music lovers all dedicated to one singular mission. The apt corporations holman preamplifier is the most well thoughtout stereo preamplifier ever designed. The included manuals read like a lesson in preamplifier design. It was designed at the very height of recorded musics reign as the dominant form of home entertainment home video was still years away, and was designed by none other than the brilliant tom holman, the inventor of 5. It was a very good utilitarian piece of audio equipment, but it is now sadly outdated. Apt holman preamplifier and apt power amplifier 1 black. Please check your email in order to activate your account. The nad c165bee stereo preamplifier is an allnew design representing a lifetime of design experience from nads renowned director of advanced. Apt holman preamplifier for sale canuck audio mart. I support my growing family through this website, as crazy as it might seem.
Apt holman preamplifier below you will find the apt holman pre amplifier. Apt corporation holman preamplifier, vintage preamp, audiophile quality, clean. At the time i packed this unit away it was in working order, however one of the channels would occ. Apt holman preamplifier headphone amplifier inwood. So, to some readers, it might seem fair to judge the brandnew, fullfeatured stellar phono preamplifier. I just inherited an aprt holman preamplifier and i was wondering if anyone had a pdf version of the user manual. Apt corporation apt 1 manual stereo power amplifier. A preamp that uses tubes will have that classic warm, slightly distorted tone. Includes our original performance verification report and a copy of the owners manual from the web. I admired the logic and clarity of the ah manual, and the apparent build quality though i have no reason to suppose that. Jvc nivico srpb30e5230 jvc nivico srpb30e5230 jvc nivico srpb30e5230. A a, tha of and 3 ilz rd cf wiifr ahe the near is qat with ail of 1. I think it looks great, and it has all sorts of useful features and gadgets, but the sound left me a bit disappointed. The amp is rated very conservatively at 100 watts rms at 8 ohms.
The biggest collection of apt holman manuals and schematics. I have had the apt amp and preamp since they first came out, they are both going strong over 40 years. Variable output impedance options, and bridgeable to mono, for maximum versatility. The aptholman preamplifier 1978 owners manual, sales flyer, final test report. Aptholman preamp manual amplimos one stage amplifiers. Just purchased an apt holman preamp, and adcom 535 amp off of craigs list. Please email with any questions before placing your bid. Thanks to the recently donated owners manual i received with schematic, i hope to round up new all new electrolytics then see if it made a difference. A quick description demo of one of my favorite pieces, the apt holman preamp 2. The apt 1 amplifier is a power amplifier for driving loudspeakers in a wide range of home music systems. Outstanding product award winner hifi news magazine.
Is this peculiar to the apt holman or are there a lot of pres that need this. Welcome to electronic center, vintage to new audio repair and equipment. Apt holman preamp mint condition with phono mmmc, with. If you are looking at this you are probably aware of the legendary status of this vintage piece of hifi equipment. Apt holman preamplifier classic unit in very nice clean condition fully functional. I used and enjoyed the apt holman preamplifier along with the apt 1 power amplifier since they were first made in 1979.
A fantastic preamp from apt holman in mint condition. The phono section of the preamp deserves its reputation. View and download apt holman service manual online. Apt holman preamplifier and apt power amplifier 1 black, 19 rackmount, matched pair i am the original owner of the holman preamp. The apt holman noise floor is noticeably lower and all my lps sound better. If you cant find the manual for the specific model you are searching for please let us know and we will do our best to find it for you. About five or six years ago the preamp developed a similar problem to the one you are describing. Was in original state i checked the image against a blackandwhite picture which was published in june 1979 in the magazine disk, when the preamp was imported for the first time in.
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