copied from http://www.sulit.com.ph/index.php/view+classifieds/id/1626601/For+Sale+%3A+Pair+of+Vintage+Celestion+Ditton+100+Bookshelf+Speakers
Celestion Ditton 100 Bookshelf Speakers
The sound of the Ditton 100 is nicely balanced within the obvious limitations of size and price. The 95Hz resonance suitably enhances the bass line of much popular music whilst avoiding an excess of chestiness on male voices. Midrange is endowed with sufficient detail to cope with most things, and the top is expressive without undue emphasis of sibilance or hardness of string tone. Horizontal distribution is fairly even but vertically it seems wise not to listen above the axis of the bass/midrange unit. As is the case with most loudspeakers using second-order networks, there is a tendency for the sound to take on a raucous character as the angle increases, becoming almost a squeal at higher angles. Indeed, if I had to place these loudspeakers low down and could not tilt them back, I would certainly try using them upside-down with the tweeter below the bass/midrange. However, given a little care in placement, there is a great deal of musical enjoyment to be obtained from a pair of these Ditton 100s for they hold together well, even when asked to reproduce the most complex sounds.
Simulated walnut Simulated walnut that the moulding tool has been recessed to provide reinforcement, and therefore additional stiffness, to the inner 100mm of the cone diameter. This unit has a free-air resonance of 45Hz, rising to 95Hz in the 8-litre (0-3 cu. ft.) folded particle-board cabinet. This contains three layers of BAF absorbent and a four-element crossover network, centred on 2.3kHz, bolted to the rear cabinet wall. There are also a pair of those ubiquitous but rather unreliable springloaded terminals. The tweeter is a small softdome unit protected by a metal mesh. The bass unit is rebated flush with the front panel and the grille frame is tapered and shaped behind the cloth to assist sound dispersion. Therefore suggest that you ignore any advice you may have seen to remove the grille in this case: because (a) such advisers usually confuse 'different' with 'better'; (b) having paid for it you might as well use it; (c) this loudspeaker really does sound better with it on. The stated impedance of 8 ohms is correct, although there is a shallow fall to about 6 ohms around 5kHz. No amplifier will be troubled by this and, as the sensitivity is above average, one of relatively low power will suffice.
Specifications :
TypeTwo-way Closed Box
Drive Unit Diameters (mm)175.25
Frequency Response (Hz)92-20,000 +/- 3dB
Crossover Frequency (Hz)2,300
Nominal Impedance (ohms)8
Power Handling Capacity (programme)40 watts
Amplifier Requirements (watts)10-40
Sensitivity (dB for 1 watt at 1 metre)86.5
Dimensions (mm)330 x 210 x 184
FinishSimulated Walnut
copied from http://www.sulit.com.ph/index.php/view+classifieds/id/1626601/For+Sale+%3A+Pair+of+Vintage+Celestion+Ditton+100+Bookshelf+Speakers
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