PMC Ltd

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OB1i

The OB1 is the first floorstanding model to employ three precision drivers and a sophisticated hand built 24dB per octave crossover. These factors create a major step up in performance with improved resolution in all areas.

The most noticeable feature of the OB1 is the complement of three precision drive units. Between the new PMC/SEAS® developed SONOLEX™ tweeter and PMC’s unique bass unit sits the dedicated 75mm soft dome mid-range, housed in its own acoustically isolated enclosure. This professionally proven drive unit produces a wholly transparent mid range creating clarity of vocal that is truly tangible. The increase in bass definition derives from the stiffer piston-like woofer and upgraded ATL™. The bass attack is immediate and packs a dynamic punch.

Feeding the three precision drive units of the quality found in the OB1 requires a very sophisticated crossover. Therefore, it features a hugely engineered network with ultra steep roll-off curves (24dB/octave) which guarantees high power handling and a supreme natural in-room response.

To guarantee the optimum function of all the featured components the cabinet has been engineered from 18mm and 25mm ultra high density Medite™. This not only creates a highly stable enclosure, but also eliminates cabinet flex and colouration.

As with all PMC designs the OB1 is efficient and can be driven with modestly powered amplification but will excel with more exotic source equipment and is equally at home in medium, and larger open plan rooms.

PMC Extended ATL™ (Advanced Transmission Line) with three sections

Phenomenal bass response down to 28Hz

Dedicated magnetically screened centre channel – CB6i

PMC/SEAS®, 27mm SONOLEX™ soft dome tweeter, ferro fluid cooled

6Â½”/170mm stiffened &doped LF driver with cast magnesium chassis

7 5mm Soft Dome mid range in an acoustically inert & isolated enclosure

25 Element, 24dB/Oct Linkwitz Riley crossover

Magnetic shielding available for safe positioning near tube TV’s

Matching Active Subwoofer for surround - TLE1

Stabilising plinth and levelling spikes

Suitable for tri-wiring or tri-amping

For a OB1i 5.1 Surround Sound System, click here

i series manual PDF Download

If you have a question about your PMC product, please go to our FAQ section for help.

OB1 @ home

The full iseries range in scale

Finishes
Click here to view finishes

“Stunning sound!! Excellent build quality - (Thank you Akeem)”
Mr G Illinois

“I am now (at last) realizing the full potential of the electronics. Stereo imaging and depth are excellent, and I am more and more listening to the music, and some CD\'s previously dismissed are now more pleasurable, although poor source material is soon revealed. These are so good that they will be the last speakers I shall have, and the feeling of wanting to spend more on the electronics has gone away. I am glad I pushed the budget having considered and auditioned FB1i\'s, and felt that the extra on OB1i\'s would be well justified, even though I did not audition them at home.”
Mr F, Highworth

“This is the 4th pair of PMC speakers to be found in my house in addition to a single centre speaker. They are to be found as a surround system featuring PB1i plus TB2 centre and rear. Also in the two main bedrooms we have a pair of FB1i\'s and this pair of OB1i\'s.

You may be interested to know that these are not the speakers that I use for my main stereo o system - those are the large 4-way TDL speakers that used to be one step below the massive reference TDL set. They are still working well but in the event of total breakdown I would probably investigate the possibility of a pair of MB\'s.

I have found a very interesting interview that Peter Thomas gave a while ago. Like him, I became very excited by the soundworld of transmission line speakers as in IMF speakers. At that time I was a part-time professional trumpet player and these were the first speakers that I had ever heard that delivered anything like the real world of sound that I would recognize. Having been introduced to these by a friend who had a pair of monitor IMFs I bought a pair of studio IMFs plus a slightly smaller pair to be wired through to a second room.

Later on I purchased my current pair of TDL monitors. At that time these came in two sizes - 3 and 4 way. The 4-way speakers were a cut-down version of the very large reference speakers with the same units - but not so many! The quality of the build was always excellent and that probably explains why they still give good service today.

I have found the PMC speakers to inhabit the same sound world and use them in 3 key listening areas of the house. I am also impressed with the high quality of the cabinet work - very important if you are decorating the house with speakers and still intending to remain on good terms with one\'s wife!

A very happy customer.”
Mr G, Deal
See the distribution map to locate your local distributor to confirm the finishes stocked in your region.