Martin Colloms

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Martin Colloms  |  Feb 08, 2004  |  First Published: Oct 01, 1998  |  0 comments
In conversation with Cary founder Dennis Had at a recent audio convention breakfast, I learned that he had a long career in electronics, specializing in military/industrial high-power radio-frequency amplification and transmitters. However, his dream was always the re-creation of single-ended tube amplifiers, especially zero-feedback designs.
Martin Colloms  |  Feb 03, 1996  |  First Published: Feb 03, 1987  |  0 comments
In the audio field, the British have traditionally thought "small," scoring hits both with their compact loudspeakers and with medium-priced amplifiers. The continued growth of the audiophile speaker market in the US, however, which favors larger loudspeakers, has at the same time stimulated the research and design of more powerful, excellent quality amplifiers. In their turn, these have placed increased demands on the speakers they drive.
Martin Colloms  |  Jan 05, 2007  |  First Published: Feb 05, 1997  |  0 comments
Canadian manufacturers enjoy a special relationship with the US market. Though technically their products are "imports," a high level of trade harmony, plus a common continental location, mean that Canadian designs tend to be equably priced in contrast to those exported to the States from overseas.
Martin Colloms  |  Mar 07, 2004  |  First Published: Aug 01, 1998  |  0 comments
The search for signal transparency has led to much experiment and debate concerning losses in fidelity that can be traced to the preamplifier or—as it's more often and awkwardly called these days when the phono stage is omitted—the "line controller."
Martin Colloms  |  Aug 24, 2011  |  First Published: Dec 01, 1990  |  0 comments
Cycles can be seen in the fortunes of companies. Likewise cycles can be seen in the performance of companies' products. A particular range will appear to have got it just right, whatever "it" is. The designer may have hit a winning streak and thus steal a lead over the competition. C-J set a new state-of-the-art preamp standard in the late '80s with their Premier Seven, and some of that expertise and experience are beginning to pay off in the shape of new high-performance preamplifiers at realistic prices. Moreover, the pressure was on to develop better power amplifiers to match. Two important products have emerged from all this in C-J's moderately priced FET range, namely the PF-1 preamplifier and the matching MF-200 power amp. By audiophile standards, these are moderately priced at $1295 and $1995, respectively.
Martin Colloms  |  Jun 03, 2007  |  First Published: Dec 03, 1999  |  0 comments
Rumor had it that if the MF2500 amplifier had gotten any better in development, Conrad-Johnson would have had to include it in their "Premier" series. However, C-J's intention was to hold to the lower price of their established MF series, and so they have. Rated at 240Wpc and retailing for $3495, the '2500 is the core model of Conrad-Johnson's current range of "MF" power amplifiers. Its companion MF2250 offers 120Wpc, while the MF5600 delivers 120Wx5 for multichannel home-theater applications.
Martin Colloms  |  Mar 31, 2011  |  First Published: Dec 01, 1990  |  1 comments
Cycles can be seen in the fortunes of companies. Likewise cycles can be seen in the performance of companies' products. A particular range will appear to have got it just right, whatever "it" is. The designer may have hit a winning streak and thus steal a lead over the competition. C-J set a new state-of-the-art preamp standard in the late 1980s with their Premier Seven, and some of that expertise and experience are beginning to pay off in the shape of new high-performance preamplifiers at realistic prices. Two important products have emerged from all this in C-J's moderately priced FET range, namely the PF-1 preamp and the matching MF-200 power amp. By audiophile standards, these are moderately priced at $1295 and $1995, respectively.
Dick Olsher, J. Gordon Holt, Martin Colloms  |  Jun 07, 2018  |  First Published: Feb 01, 1986  |  0 comments
Do-It-Yourself (DIY) loudspeaker projects are quite common in the UK, where details about several excellent designs, including a recent one by Martin Colloms, have been published for public domain consumption. Stateside, the situation is rather grim, where only an occasional subwoofer project (always popular) makes it into the commercial magazines.
Anthony H. Cordesman, Guy Lemcoe, Martin Colloms  |  Sep 29, 2011  |  First Published: Dec 01, 1985  |  1 comments
666et2.jpgIf analog disc is fading, it is a twilight of the gods. Tonearms, cartridges, and turntables get steadily better; the overall quality of the best analog disc systems today is far better than it was two years ago. Bruce Thigpen and Edison Price's new Eminent Technology Two tonearm is a case in point. It has evolved from a highly specialized product for only the bravest of audiophiles to a reference quality arm that any dealer can install, and any audiophile can safely use. More importantly, it may have no sonic equal at any price.
Martin Colloms  |  Jun 04, 2019  |  First Published: Nov 01, 1997  |  0 comments
Exposure owner/designer John Farlowe graduated from the UK's University of Sussex at the end of the swinging '60s. He put his B.Sc in electronic engineering to use at HiWatt, manufacturers of tube guitar amplifiers. His keen interest in pro audio, particularly in sound reinforcement for rock bands, led him to Midas (studio mixing desks and systems), where, as director and designer, he designed and built mixing desks and got together with the late Dave Martin of Martin Audio. They became heavily involved in sound systems for Pink Floyd. Midas desks and Martin speakers were used at many live venues, including those at London's Rainbow.

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