FS PMC LB1 transmission line nearfield monitors

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PMC LB 1 speakers (pair)
Transmission line nearfield monitor (passive)
Made in England by the Professional Monitor Company
Current list price: $2,700/pr.
In original carton
E-mail for photos
Price $1,000

Compact size 21"h x 7"w x 10.6"d

PMC LB 1 Pro Monitor transmission line loudspeakers are suitable for
nearfield applications or where full range reference monitoring is required
and when space is at a premium, such as on live recording trucks and in
small control rooms. The LB1 uses two high-quality low coloration drivers,
capable of sustaining massive transient power peaks without compression.

Transmission line design
LB1 's bass driver is mounted at the mouth of a long tapered line damped
with an acoustic absorbent, whilst the other end terminates in a port which
at low frequencies radiates as a piston. As the frequency is lowered,
control on the driver is increased, resulting in a system capable of higher
SPL's than the equivalent ported design. This ensures operation within the
drivers linear range and reduces low frequency distortion and coloration.
All PMC's transmission line monitors retain their bass end balance and
quality irrespective of level.

Specifications
Useable freq response 35Hz-25kHz
Peak SPL @ 1M 114dB
Sensitivity 87dB 1W 1m
Recommended Amp power 60-250W
Impedance 4 Ohm nominal
Effective line length 1.7m 5.58ft
Drive units: woofer 110mm, 75mm voice coil; tweeter 27mm fabric soft dome
Crossover Frequency 2.5kHz
Crossover: 12 element 4th order crossover
Input connectors: two pairs of gold plated binding posts for bi-wire or bi-amp
Enclosure: double veneered MDF
Finish Black Ash
Dimensions: 21"h x 7"w x 10.6" d
Weight (each) 19 lbs

Condition is excellent electro-acoustically, with minor cosmetic dings to the
black oak finish that have been touched up. There are grilles with these if
you want them, but on both grilles, the grille cloth wrap has come unglued
from the frame at the top. If you need to use grilles and you don't want to
repair these, new grilles are available from the importer, Bryston Ltd.

For more info see the PMC website at http://www.pmcloudspeaker.com

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