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The 2023 Bristol Hi-Fi Show is in full swing. Held at the Delta Hotels Marriott, Bristol City Centre Hotel from 24-26 February and now in its 34th year, it's a welcome return after a Covid-induced absence of three years.
For UK-based lovers of quality audio and the equipment that produces it, a visit to the Bristol Show is a must. It is Britain’s biggest and longest-running exhibition event of its kind and it's certainly been good to be back.
More than 160 exhibitors are showing their wares this year, and Team What Hi-Fi? are here too, answering queries, bringing you highlights from the show floor, and giving live demonstrations of our bespoke custom-built, multi-speaker AV surround sound system incorporating the latest TV tech.
Large-format machine with a front (well bottom, really) loading slot.
Stylistically, this is one of my favourite MD machines though it does have a kind of "upside down" look to it.
It feels wonderfully solid and well-engineered.
Computers, televisions, and consumer electronics each go into separate boxes. Please help us keep these materials properly sorted.
Details:
www.montgomerycountymd.gov/apps/dep/solidwaste/collection...
"Don't Dump, Donate" (our building material reuse program): www.montgomerycountymd.gov/apps/dep/solidwaste/collection...
Only 500mAh capacity versus the original allegedly 750mAh, but much better than nothing, plus it can keep the internal Real Time Clock going for a long time.
Update - Jan 2018
It still works! Clearly a successful project.
At the budget end of the range, this design was short on frills but packs a good sound, in my opinion ...
The 2023 Bristol Hi-Fi Show is in full swing. Held at the Delta Hotels Marriott, Bristol City Centre Hotel from 24-26 February and now in its 34th year, it's a welcome return after a Covid-induced absence of three years.
For UK-based lovers of quality audio and the equipment that produces it, a visit to the Bristol Show is a must. It is Britain’s biggest and longest-running exhibition event of its kind and it's certainly been good to be back.
More than 160 exhibitors are showing their wares this year, and Team What Hi-Fi? are here too, answering queries, bringing you highlights from the show floor, and giving live demonstrations of our bespoke custom-built, multi-speaker AV surround sound system incorporating the latest TV tech.
Elinchrom D-Lite-4 IT 400Ws
2 soft boxes | 1 light above product 3' and a bit to the right | 1 light on far left of product and level
Audiolab has won more major awards in UK hi-fi magazines than any other brand of high-performance audio electronics.
Elinchrom D-Lite-4 IT 400Ws |
2 soft boxes both at product level about 2' away on both left and right side
Charging circuitry, more then likely unserviceable.
It's discarded anyway.
The spring loaded shutter mechanism is also discarded ...
A Stunning Sound Experience.
The MC451 Dual Mono Amplifier joins the MC901 in offering the ultimate solution to bi-amping a loudspeaker. Like the MC901, the MC451 uses our Hybrid Drive™ technology that combines a separate vacuum tube and solid state amplifier onto one single chassis to produce the best possible sound performance from a bi-ampable speaker. Unlike the larger MC901, the MC451 has a more conventional McIntosh form factor and size, allowing it to fit into home audio systems, racks, and furniture more easily. Adding a pair of MC451s to your stereo system will allow your prized speakers to perform like never before.
A pair of MC451 Dual Mono Amplifiers powering a home audio system with bi-ampable XRT1.1K speakers.
The MC451 is comprised of a 150 Watt vacuum tube amplifier and a 300 Watt solid state amplifier, which is more than enough power to drive virtually all speakers.
The vacuum tube section drives the speaker's midranges and tweeters, while the solid state section drives the woofers. The 150 Watt vacuum tube amplifier is powered by four KT88 output tubes which are located under a removable wire cage, plus two 12AT7 and one 12AX7A signal tubes; it uses our patented Unity Coupled Circuit output transformer to deliver its full 150 Watts into almost any speaker regardless if it has 2, 4 or 8 Ohm impedance.
Similarly, the 300 Watt solid state amplifier delivers its full 300 Watts into a 2, 4 or 8 Ohm impedance speaker via our Autoformer™ technology.
The two amplifiers in the MC451 are designed to work together in a synergistic relationship and are specifically engineered to assure that each only amplifies its intended frequencies. The large but quiet toroidal transformer generates enough power so that neither amplifier robs power or performance from the other. All of this results in easy bi-amping with unparalleled performance and sound reproduction from your speakers.
Bi-amping your speakers with the MC451 is easy. No longer do you need fiddle with two separate amplifiers, an external crossover, and a lot of trial and error to properly configure the two separate amplifiers with often times only so-so results. The MC451 solves these hassles thanks to its internal, adjustable crossover. The MC451’s crossover tailors the output frequency range of each amplifier section to the attached loudspeaker. Simply set the CROSSOVER POINT knob on the back of the MC451 to the loudspeaker’s crossover point, then frequencies below the crossover point will be sent to the solid state amplifier and frequencies above it will be sent to the vacuum tube amplifier.
This adjustable crossover allows you to optimize the performance of both amplifier sections to your speaker's specifications and to your listening preferences. Gain levels for the vacuum tube amplifier can be adjusted from -6dB to +3dB. A direct feed can also be connected to each amplifier section, thus bypassing the internal crossover.
The MC451 features our DualView™ Power Output Meter. The DualView meter features two of our traditional, fast responding mechanical meters stacked above and below each other in a single meter window; one meter is dedicated to the 150 Watt vacuum tube amp and the other to the 300 Watt solid state amp. Each meter operates independently of the other and displays the real time power reading of each amplifier section.
McIntosh MC451 Amplifier
In addition to everything already mentioned, the MC451 comes with a multitude of other McIntosh amplifier the technologies:
Power Guard® that monitors and adjusts the input signal in the 300 Watt solid state amplifier section in real time, then makes inconspicuous volume adjustments to prevent harsh sounding distortion and potential speaker damaging clipping.
Power Guard Screen Grid Sensor® (SGS). The 150 Watt vacuum tube amplifier section features our Power Guard SGS® technology. Power Guard SGS helps prevent premature vacuum tube failure by monitoring the screen grid current in the KT88 output vacuum tubes. If the current becomes too high, a circuit in Power Guard SGS is activated which then dynamically attenuates the input signal in real time to keep the vacuum tubes operating at safe levels.
Sentry Monitor™ observes the output current and shuts the amplifier off if it ever exceeds safe limits.
Power Control that can send power on/off signals to other connected McIntosh components for easy system power up and shutdown.
Our patented, gold-plated Solid Cinch™ speaker binding posts that easily and securely attach the speaker cables.
A McIntosh Monogrammed Heatsink™ that is connected to advanced high current output transistors to efficiently cool the solid state amplifier section.
Our Power Management System that will turn the entire unit off after a set amount of time when no input signal has been detected.
The uncompromising fit and finish of the MC451 is highlighted by familiar McIntosh design cues. The front features a signature black glass faceplate with three clear windows that allow viewing of the vacuum tubes, the DualView meter, two rotary control knobs, an illuminated logo and lettering, and built-in aluminum handles. The top is highlighted by a series of block diagrams printed on glass inserts outlining the circuitry and specifications of the unit. All of this sits atop of stainless steel chassis that's been polished to a pristine mirror finish.
The MC451 amplifier can be combined with a variety of preamplifiers, turntables, CD players, media streamers, speakers, and other specialty products to form a complete home audio system designed for bi-amping loudspeakers. Contact your local dealer to learn more.
Audiolab has won more major awards in UK hi-fi magazines than any other brand of high-performance audio electronics.
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Formed in the early 1980s by Philip Swift and Derek Scotland, audiolab earned worldwide acclaim with the 8000A – an integrated stereo amplifier that became a classic ‘step-up’ from the budget models of the time.
During the ensuing years, the 8000A established itself as one of the most successful British amps ever produced, and was joined by a range of electronics including CD players, pre/power amps and an FM tuner. The brand switched hands in 1997, changing its name to TAG McLaren Audio; and it so was known until 2004 when audiolab became part of the International Audio Group and returned to its original name.
“If ever a product defined its market, the 8000A is the one. Reliability, ease of use, engineering excellence and a well-behaved sound are the pillars supporting the justified reputation of the 8000A. Over the years, audiolab’s no-nonsense, evolutionary approach to design has widely been recognised.”
– Audiohile with Hi-Fi Answers.
8000A & P Still used to this day. Have upgraded the power supply,
Taken for the dailyshoot.com assignment #ds117: Take a photo of your favorite gadget.
Wonder if the iPad is going to be as successful as this little guy?
On top of the Intuos4
how many people repair their own hifi and audiovisual equipment anymore? 1%? how many enlist their kindergarten kids to help?
rachel just field-stripped our dvd player, disconnected circuit boards, removed a few front-plate layers to expose the front-facing circuit board, and helped nick glue the broken button into a workable repair.
and she's trying not to smile about it, because to an engineer of her calibre, this is SMALL TIME.
but if you ask our kids, who love to watch movies, this is a new and concrete example of her often-touted but not-seen-at-home engineering skills.
i appreciate it too -- i paid $350 for this region-free, upscaling-to-DVI-and-analog-outs, absent-copy-protection dvd player back when it was new, and she just saved it from the garbage heap.
but we're still getting a blu-ray :-).
copyright © 2009 sean dreilinger
view she's thinking this is small time - _MG_4935 embed on a black background.
An extremely well-equipped cassette tape deck from c.1982; it's the only hi-fi cassette deck I've seen that featured a parametric equaliser.
And just look at the distortion from the lens of the Sony H-1 digicam!
The 2023 Bristol Hi-Fi Show is in full swing. Held at the Delta Hotels Marriott, Bristol City Centre Hotel from 24-26 February and now in its 34th year, it's a welcome return after a Covid-induced absence of three years.
For UK-based lovers of quality audio and the equipment that produces it, a visit to the Bristol Show is a must. It is Britain’s biggest and longest-running exhibition event of its kind and it's certainly been good to be back.
More than 160 exhibitors are showing their wares this year, and Team What Hi-Fi? are here too, answering queries, bringing you highlights from the show floor, and giving live demonstrations of our bespoke custom-built, multi-speaker AV surround sound system incorporating the latest TV tech.
20GB internal hard drive, usefulness severely limited by the use of one of Sony's infernal built-in rechargeable batteries.
IFA Berlin 2008, Opening Day, Consumer electronics show. Kids, children playing with Netbook computers at the Medion booth at IFA Berlin 2008, Consumer electronics show.
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IFA Berlin 2008, Opening Day, Consumer electronics show
_____IMPORTANT NOTE: This photograph represents a low-resolution version of the original image. Copyright Jochen Siegle/TechShowNetwork.
This photograph is licensed for use under the Creative Commons BY-NC-ND license. It is OKAY to use this photograph on the web in compliance with the CC BY-NC-ND license, HOWEVER you need to link the image back to TechShowNetwork.com (http://www.techshownetwork.com) and GIVE CREDIT as "Jochen Siegle/TechShowNetwork". Do NOT remove the watermark.
Please contact via email to jas@momentimedia.com to inquire about licensing for other usages or higher resolution of this image or to order prints.
All other rights reserved Jochen Siegle/TechShowNetwork. The TechShowNetwork is a MomentiMedia publication.