Difference between revisions of "Heco Concerto Grosso"
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__NOTOC__ | __NOTOC__ | ||
| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Heco]] |
| − | * | + | * Model: Concerto Grosso |
| − | * | + | * Versions: First and second version (Mk II) |
| − | * | + | * Years of manufacture: 1989 - 1993 |
| − | * | + | * Manufactured in: Schmitten/Taunus, Hesse, Germany. |
| − | * | + | * Colour: walnut, oak, black, white, piano lacquer black, sanding lacquer white, others against surcharge |
| − | * | + | * Dimensions: 415 x 1605 x 460 mm (W x H x D) |
| − | * | + | * Weight: approx. 60 kg /box |
| + | * Original price approx.: 10.000,- DM (UVP pair) | ||
| − | ''' | + | '''Technical Data''' |
| − | * | + | * Construction: 3-way closed, floorstanding speaker |
* Chassis: | * Chassis: | ||
| − | ** | + | ** Low-mid: 3x 220 mm (cone, TC 220). |
| − | + | Low-midrange: 2x 170 mm (cone, TMC 170) | |
| − | ** | + | ** tweeter: 1x 19 mm (dome tweeter, KHC 19 M) |
| − | + | power handling (nominal/music): 250/400 Watt | |
| − | + | efficiency: 88 dB | |
| − | * | + | * frequency response: 16 - 35,000 Hz |
| − | * | + | * crossover frequency: 180/3000 Hz |
| − | * | + | * Impedance: 4 Ohm |
| − | ''' | + | '''Special Features''' |
| − | * | + | * hexagonal LS housing to minimize interference |
| − | * | + | * black, velvet-like flocked baffle |
| − | * 19 mm | + | * 19 mm metal dome tweeter chassis (upper cut-off frequency >35 kHz) |
| − | * | + | * Low-frequency and low-midrange drivers each have a large square aluminum "frame" that is an integral part of the speaker driver design, die-cast aluminum baskets, large-diameter voice coils, and oversized magnets |
| − | * | + | * "Brilliance" switch for adjusting the high-frequency level in the LS connection panel (only on the first version of the speakers) |
| − | * | + | * Personal certificate for first-time buyers |
| − | + | * Manufacturer's plaque, with the name of the first purchaser on request | |
| + | Plaque with the designation "Anniversary Edition 1989" as well as "Concerto Grosso No. ..." (serial number) | ||
| − | == | + | == Remarks == |
| − | * | + | * Special model for the 40th anniversary of Heco in Schmitten/Taunus, Hesse. |
| − | * | + | * Limited edition of only 500 loudspeaker pairs worldwide |
| − | == | + | == Other models of the same series: == |
| − | * Heco Concerto Grosso - | + | * Heco Concerto Grosso - first version - was equipped with a low-midrange driver only. |
| − | * | + | * In the first version the tweeter chassis was placed at the very top of the speaker. |
| − | * | + | * In the subsequent and revised version of the speakers (Mk II) this is now in the manner of the d`Appolito arrangement between both cone low-mid drivers at the usual installation height. |
| − | == | + | == Pictures == |
| + | Due to possible copyright reasons no pictures are posted. But you can easily find them on the net...Please just goo.... yourself! | ||
| − | == | + | == Reports == |
| − | * | + | * Test report in "Stereoplay" issue 10/1990 (Classification: "Absolute top class 3") |
| − | * | + | * Test report in "Audio" issue 03/1990 (Comparative test: "Pillar saints...") |
== Links == | == Links == | ||
| − | [[ | + | [[Category:Loudspeaker]] |
Latest revision as of 10:10, 15 May 2014
Data[edit]
General
- Manufacturer: Heco
- Model: Concerto Grosso
- Versions: First and second version (Mk II)
- Years of manufacture: 1989 - 1993
- Manufactured in: Schmitten/Taunus, Hesse, Germany.
- Colour: walnut, oak, black, white, piano lacquer black, sanding lacquer white, others against surcharge
- Dimensions: 415 x 1605 x 460 mm (W x H x D)
- Weight: approx. 60 kg /box
- Original price approx.: 10.000,- DM (UVP pair)
Technical Data
- Construction: 3-way closed, floorstanding speaker
- Chassis:
- Low-mid: 3x 220 mm (cone, TC 220).
Low-midrange: 2x 170 mm (cone, TMC 170)
- tweeter: 1x 19 mm (dome tweeter, KHC 19 M)
power handling (nominal/music): 250/400 Watt efficiency: 88 dB
- frequency response: 16 - 35,000 Hz
- crossover frequency: 180/3000 Hz
- Impedance: 4 Ohm
Special Features
- hexagonal LS housing to minimize interference
- black, velvet-like flocked baffle
- 19 mm metal dome tweeter chassis (upper cut-off frequency >35 kHz)
- Low-frequency and low-midrange drivers each have a large square aluminum "frame" that is an integral part of the speaker driver design, die-cast aluminum baskets, large-diameter voice coils, and oversized magnets
- "Brilliance" switch for adjusting the high-frequency level in the LS connection panel (only on the first version of the speakers)
- Personal certificate for first-time buyers
- Manufacturer's plaque, with the name of the first purchaser on request
Plaque with the designation "Anniversary Edition 1989" as well as "Concerto Grosso No. ..." (serial number)
Remarks[edit]
- Special model for the 40th anniversary of Heco in Schmitten/Taunus, Hesse.
- Limited edition of only 500 loudspeaker pairs worldwide
Other models of the same series:[edit]
- Heco Concerto Grosso - first version - was equipped with a low-midrange driver only.
- In the first version the tweeter chassis was placed at the very top of the speaker.
- In the subsequent and revised version of the speakers (Mk II) this is now in the manner of the d`Appolito arrangement between both cone low-mid drivers at the usual installation height.
Pictures[edit]
Due to possible copyright reasons no pictures are posted. But you can easily find them on the net...Please just goo.... yourself!
Reports[edit]
- Test report in "Stereoplay" issue 10/1990 (Classification: "Absolute top class 3")
- Test report in "Audio" issue 03/1990 (Comparative test: "Pillar saints...")