strangeloops66 Posted August 7, 2023 Posted August 7, 2023 Further Information: Consists of TDL RTL 3 fronts, TDL Nucleus 1 surround speakers and CCS centre speaker. No subwoofer required! British manufactured and a star in their day. Hybrid reflex transmission line design, with great bass extension (down to 30Hz). The foam plugs for the transmission line ports on the front of the speaker have perished but are inconsequential to output. The grille of the centre speaker has perished but has been replaced with a piece of foam to protect the drivers from dust etc. "Transmission Line loudspeaker systems incorporate a complex and potentially expensive method of reproducing lower bass frequencies than other speakers of a similar size. This bass is open and unrestricted, in a manner simply not achievable from conventional sealed box speakers." TDL RTL 3 (bi-wirable) floor standers Enclosure Type: 2-way reflex transmission line loading Recommended Amplifier: 20 - 120 Watts Frequency Response: 30Hz - 20kHz Crossover Type: Electrical 2 way second order network Sensitivity: 90dB Nominal Impedance: 8 Ohms Drivers: 1 x 19mm soft dome ferro-fluid cooled 2 x 172mm loaded polypropylene cone with forward roll rubber surround & phase plug - long throw double wound coil on kapton former with bump back magnet yoke Dimensions: 200 x 888 x 375mm (Width x Height x Depth) Weight: 21kg Year: 1993 Original grilles are available, and I will upload photos later. The fabric has come away at the sides of the frames in a few places. I will re-glue these when I have time. TDL Nucleus 1 surround speakers (or bookshelf): Bookshelf 2-way stereo speakers, 26 cm high. Infinite baffle design, 50watts, 8ohm impedance, 86db sensitivity. Speaker terminals facilitate bare wire or banana plugs. Original removable grilles in good condition with badges intact. Beautiful vinyl veneer enclosures, Black Sand textured. http://www.hi-fi-insight.com/tdl-nucleus-1-bookshelf-loudspeakers.html TDL Nucleus CCS centre speaker See photos of documentation for specs. Like the RTL 3 fronts, it is a transmission line speaker. 1
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