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Manual JAMO D 4

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Summary
  • JAMO D 4 - page 1

    Technical Description Jamo D 4 Concept ...

  • JAMO D 4 - page 2

    2 Technical Description Jamo D 4 Concept Contents: 1. General system description 2. The products: 2.1. D 400 2.2. D 430 2.3. D 450 2.4. D 4CEN 2.5. D 4SUB 3. Driver explanation 3.1. Tweeter 3.2. Mid-woofer/woofer 3.3. (Sub) woofer 4. Electronics (D 4SUB) 5. Cabinets Page 3 3 4 5 6 6 8 9 11 11 12 ...

  • JAMO D 4 - page 3

    3 General description With the Jamo D 4 Concept the goal was to create “the link” between high-end hifi and - surround sound and at the same time focussi ng on versatility – or flexibility – in system configuration and placement. So, what are the “problem areas” in doing that? Well, it could be extended treble response “demanded “ b ...

  • JAMO D 4 - page 4

    4 Wall mount: The rear wall “amplifies” low frequencies and the floor actually gives a dip in approximately the same range due to the first floor reflection reaching the ear in opposite phase with the direct sound from the speaker. The speaker can be used as full range. In this case the subwoofer should be adjusted to blend in seamlessly in ord ...

  • JAMO D 4 - page 5

    5 D 450 D 450 is a 2½ way dual bass re flex system featuring a 6½” woofer, a 6½” mid-woofer and a 1” DCD tweeter. The 2½ way configuration has sort of become a hallmark of Jamo. We are using this configu ration in a number of products starting with our highly acclaimed D 870 speaker. The reason for choosing this conf iguration is that it ...

  • JAMO D 4 - page 6

    6 D 4CEN D 4CEN is a 2 way bass reflex system featuring two 4½” woofers and a 1” DCD tweeter. The design of D 4CEN is kept as compact as possible in order to make it easier to place the speaker close to the TV set. So, the height of just 16-cm/6.3 inch is just enough to house the two powerful 4½” drivers. Actually, you would probably ex pec ...

  • JAMO D 4 - page 7

    7 As mentioned the D 4SUB goes very low in or der to reproduce the extreme bass contents of movie soundtracks with full authority. However, under certain circumstances this can create a problem, which is why some decoders feature a Boundary Gain Compensation filter. This filter compensates for the room influence at low frequencies, as any room ampl ...

  • JAMO D 4 - page 8

    8 Drivers Tweeter The tweeter in the D 4 range, has already been well acclaimed in Jamo products, as it is used in th e Jamo D 7 THX Ultra2 system, winner of the EISA awar d as “High-end Home Theatre 2002/2003”. However, to suit the exact purpose in D 4 , we developed a new, asymmetric front baffle. The tweeter was chosen for 3 main reasons: 1. ...

  • JAMO D 4 - page 9

    9 In fact, the choice of “mot or” materials makes use of magnetic oil for cooling and resonance damping unnecessary! All these features in combination allow the diaphragm to move effortless and the result is a very natural, detailed, dynamic and open sound reproduction. Mid-woofer/woofer The woofer of the D 4 speakers features a bran d new wood ...

  • JAMO D 4 - page 10

    10 However, the anodised aluminium ce ntre plug is probably the most conspicuous feature of the D 4 woofers. It replaces the traditional dust cap in the centre of the loudspeaker cone at the place where the dust cap would normally be mounted - thereby making the cone lighter and thus faster. Also this prevents potential break-up points where the du ...

  • JAMO D 4 - page 11

    11 (Sub)Woofer The 8” woofer features a vented magnet system and a Ø 38 mm / 1½” aluminium voice coil former. The 4-layer voice coil is 28 mm / 1.1” long allowing lin ear excursions up to +/- 10 mm / 0.4” – and still with >70% of the B*L product available! The magnet system features a vented pole piece in order to avoid over/under pr ...

  • JAMO D 4 - page 12

    12 Cabinets All D 4 cabinets are made of heavy MDF board , a solid and resonance dead base for the drivers to work in. However, the most remarkable cabinet feature is probably the Double Curved front baffle. It is common knowledge that one of the most rigid constructions at all is a round shape; a ball, an egg etc. Therefore the front baffle of D 4 ...

Manufacturer JAMO Category Speaker

Documents that we receive from a manufacturer of a JAMO D 4 can be divided into several groups. They are, among others:
- JAMO technical drawings
- D 4 manuals
- JAMO product data sheets
- information booklets
- or energy labels JAMO D 4
All of them are important, but the most important information from the point of view of use of the device are in the user manual JAMO D 4.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals JAMO D 4, service manual, brief instructions and user manuals JAMO D 4. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product JAMO D 4.

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A complete manual for the device JAMO D 4, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use JAMO D 4 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of JAMO D 4.

A complete JAMO manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual JAMO D 4 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the JAMO D 4, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the JAMO D 4, that we can find in the current document
3. Tips how to use the basic functions of the device JAMO D 4 - which should help us in our first steps of using JAMO D 4
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with JAMO D 4
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of JAMO D 4 in a specific country, if it was not possible to solve the problem on our own.

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