Difference between revisions of "Rogers BBC LS3/5a"
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| − | == | + | == Dates == |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Rogers]] |
| − | * | + | * Model: LS3/5a |
| − | * | + | * Years of manufacture: 1975 to about 1989; |
| − | * | + | * Manufactured in: England; |
| − | * | + | * Colour: N/A |
| − | * | + | * Dimensions (WxHxD): 188 x 300 x 156 mm (7.5 x 12 x 6.25 in.) |
| − | * | + | * Weight: 11.7 lbs (5.3 kg) |
| − | * | + | * Original Price Approx: $1,695 |
| − | ''' | + | '''Connections''' |
| − | * | + | * Two-pole terminal screws |
| − | ''' | + | '''Technical data''' |
| − | * | + | * Volume: 5 litres |
| − | * | + | * Housing: pressure chamber |
| − | * | + | * Driver: two-way (see notes for details) |
**25 mm Mylar-dome tweeter; | **25 mm Mylar-dome tweeter; | ||
| − | **110 mm Bextrene-cone | + | **110 mm Bextrene-cone woofer |
| − | * | + | * Recommended amplifier power: 50 watts |
| − | * | + | * Sensitivity SPL: 82 dB/1W/1m |
| − | * | + | * Frequency response: 80 - 20,000 Hz |
| − | * | + | * Crossover frequency: 3,000 Hz |
| − | * | + | * Impedance: 10 Ohm |
| − | * | + | * Other: Stand mounting |
| − | ''' | + | '''Notes''' |
| − | * | + | * The same license built in the 80s also [[Spendor]] and [[Harbeth]], see [[Spendor LS3/5(A)]], [[Harbeth LS3/5A]]. |
| − | * | + | * For the chassis, the BBC resorted to [[KEF]]: http://www.kef.com/html/de/explore/about_kef/kef/index.html , this page references BBC reports. <br /> |
| − | * | + | * and [https://en.wikipedia.org/wiki/LS3/5A LS3/5A at English wikipedia]. |
| − | * ''Mylar'' | + | * ''Mylar'' is a "state-of-the-art thin yet strong [[wp:polyester film|polyester film]]" (source: www.kef.com/html/de/explore/about_kef/raymond_cooke/index.html , retrieved 4 October 2015). |
| − | * | + | * Bextrene is the commercial name for [[https://de.wikipedia.org/wiki/High_Impact_Polystyrene HIPS, a copolymer]] |
| − | == | + | == Note == |
| − | + | By 1988, Rogers had manufactured approximately 43,000 LS3/5. | |
| − | == | + | == Report == |
| − | * [https://www.stereophile.com/content/bbc-ls35a-loudspeaker-1989-rogers-version stereophile.com | + | * [https://www.stereophile.com/content/bbc-ls35a-loudspeaker-1989-rogers-version stereophile.com from February 1989] (English), retrieved March 7, 2020. |
| + | * [http://www.g4dcv.co.uk/ls35a/kingswood.html pictures of the prototype and Rogers listing 1974], retrieved March 21, 2020. | ||
| − | + | [[Category:Loudspeaker]] | |
| − | [[ | ||
Latest revision as of 08:44, 21 March 2020
Dates[edit]
General
- Manufacturer: Rogers
- Model: LS3/5a
- Years of manufacture: 1975 to about 1989;
- Manufactured in: England;
- Colour: N/A
- Dimensions (WxHxD): 188 x 300 x 156 mm (7.5 x 12 x 6.25 in.)
- Weight: 11.7 lbs (5.3 kg)
- Original Price Approx: $1,695
Connections
- Two-pole terminal screws
Technical data
- Volume: 5 litres
- Housing: pressure chamber
- Driver: two-way (see notes for details)
- 25 mm Mylar-dome tweeter;
- 110 mm Bextrene-cone woofer
- Recommended amplifier power: 50 watts
- Sensitivity SPL: 82 dB/1W/1m
- Frequency response: 80 - 20,000 Hz
- Crossover frequency: 3,000 Hz
- Impedance: 10 Ohm
- Other: Stand mounting
Notes
- The same license built in the 80s also Spendor and Harbeth, see Spendor LS3/5(A), Harbeth LS3/5A.
- For the chassis, the BBC resorted to KEF: http://www.kef.com/html/de/explore/about_kef/kef/index.html , this page references BBC reports.
- and LS3/5A at English wikipedia.
- Mylar is a "state-of-the-art thin yet strong polyester film" (source: www.kef.com/html/de/explore/about_kef/raymond_cooke/index.html , retrieved 4 October 2015).
- Bextrene is the commercial name for [HIPS, a copolymer]
Note[edit]
By 1988, Rogers had manufactured approximately 43,000 LS3/5.
Report[edit]
- stereophile.com from February 1989 (English), retrieved March 7, 2020.
- pictures of the prototype and Rogers listing 1974, retrieved March 21, 2020.