Speck-electronics Xtramix Manuel d'utilisateur Page 1

Ultra Compact Studio Line Mixer speckelectronicsReference Manual ~ Version 5b ~ XTRAMIXcxi

The Xtramix is supplied with a set of rack mount adapters. If the intention is to mount the Xtramix in a standard 19" equipment rack, t

Frequency Response (Any primary line In to Program Out) Subgroup Feed Output Level Subgroup Insert Send Output Level Program Feed Output Level Mon

The Xtramix is delivered in a special, protective container and was carefully inspected both mechanically and electrically before shipment. It sh

Merely affixing the Xtramix into an equipment rack is no guarantee that the product is making a reliable ground connection. The mounting rails in the

9 The following information should give you the basics on how to install the Xtramix and Power Supply. The proper installation of the Xtramix as

One of the primary reasons that the power supply of the Xtramix is external is to insure that the power transformer enclosed within the power supply c

The following chart represents the proper AC terminal configuration for the Model PS3-1.5 power supply. The following chart represents the proper

The following chart represents the DC voltages available at the 6 pin connector on the Model PS3-1.5 Power Supply.

The front and rear panels are a high quality painted surface and the panel lettering is applied using a silkscreen printing technique. To clean the f

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Speck Electronics makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability

15 We hope to give you basic information on the operation of the Xtramix and adequately describe its controls, switches, and connectors.

16 Figure 2. Input Channel Chapter 4 Operation Section

The smaller (inner) knob of the gray capped concentric is a dual rotary potentiometer that simultaneously and equally adjusts both the left and right

There are two types of In-Place solo incorporated into the Xtramix: Absolute and True. All input channel solos are Absolute In-place. This means tha

When the Subgroup Assign Changeover Switch (see below) is in the up position, pressing the 3-4/7-8 Assign Switch routes the input channel signal to th

The smaller (inner) knob of the black capped concentric adjusts the level being sent to the selected "Odd" effects bus. This control is use

21 Figure 3. Stereo Effects Return Channel Chapter 4 Operation Section

Stereo Effects Return Section There are eight stereo effects returns incorporated into the Xtramix. Each of the effects returns are individually assi

19. Stereo Effects Return Mono Switch Depressing this switch sums the left and right effects inputs creating a mono composite. This feature will prov

24 Figure 4. Monitor Channel Chapter 4 Operation Section

Chapter 2 Initial Contents iii General ... Op

This is the theoretical heart of the Xtramix. Here is where a stereo mix of all the subgroups is created, independent of the Bus/Subgroup Masters. T

When the Bus/Line Switch on the monitor channel is selected to the Bus (subgroup) position, this control acts as a traditional left/right pan for the

27 Figure 5. Master Section XTRAMIXcxi Chapter 4 Operation Section

These are the individual master level controls for the eight subgroup outputs. Metering for the bus/subgroup outputs is provided by two LED VU meters

This pot acts as the master volume to the stereo program feed. It should be pointed out that the Left/Right program meters follow this master control

This standard 1/4" stereo phone jack will accommodate most popular stereo headphones. The tip of the stereo jack is the left headphone signal, a

This section allows an external stereo auxiliary source such as a DAT recorder, CD player/recorder or any stereo audio signal to be routed to the Moni

32 Figure 6. Input Channel Connectors and Switches Chapter 4 Operation Section

33 Refer to Figure 6 for location of items 1 thru 4 Typically, this input is used to connect one side of a stereo or dual voice source. When a chann

34 Figure 8. Effects, Monitor, and Subgroup Connectors Chapter 4 Operation Section

Configuring the AC Mounting location ... AC wiring chart ...

4. Low/ High Select Switch Low/High refers to the output operating level of the signal source. It should be pointed out that the term Low/High has di

Simply connect an Effects or Auxiliary send from the external mixer to the Sum In Jack of any of the eight Xtramix send channels. While it makes sens

Each Bus/Subgroup channel provides a 1/4" T.R.S. (tip, ring, sleeve) insert jack. The Insert Jack provides line level interstage access to the a

38 Figure 10. Master Input/Output Connectors Chapter 4 Operation Section 23

This 1/4" TRS phone type connector provides a dedicated feed to an external tuning device. The source for the output is either the sum of all si

17. Program Feed Jacks Each of the left and right program insert jacks employ a T.R.S. (tip, ring, sleeve) type jack. The ring of the 1/4" jack i

18. Solo to Monitor Switch Connections to the balanced program feed jacks should be made with a 1/4" stereo tip, ring and sleeve (TRS) plug as s

20. Monitor Feed Jacks 22. Aux Return Input Jacks Left/Right Meter Sensitivity Trim Controls (Not Shown) 21. Cue Return Input Jacks When set to the &

23. Power Supply Connector If required, the VU meters may be calibrated to indicate -10dbV. An AC voltmeter and signal generator will be required to

44 Chapter 4 Operation Section ~This page intentionally left blank~

General ... Start simple ...

45 It is assumed that in addition to the Xtramix, a considerable investment has been made in electronic equipment such as synthesizers, samplers,

All wire and cable interfaced to the Xtramix and Speck products should be terminated with high quality connectors. A 1/4" plug or XL connector s

Clock noise is one of the greatest enemies of the audio racks AC system. If a synth or any microprocessor based device emits or somehow couples its c

If a patchbay is utilized in your mixing system, the rules for shielding may change. With a patchbay, normally all shields are connected at the patch

Appendix A 49 Signal Flow Diagram (Part A)

Appendix A 50 Signal Flow Diagram (Part B)

Connector Matrix for XTRAMIXcxi Notes: All Input and output connectors on the Input / Output Connection Connector Type Recommend Connector Not

1 Thank you for purchasing our Xtramix Ultra Compact Line Mixer. The Xtramix was designed from the ground up as a high performance mixer dedica

2 Figure 1a. Front Panel Layout Figure 1b. Rear Panel Layout XTRAMIXcxi XTRAMIXcxi Chapter 1 Introduction Section

To avoid personal injury, do not remove the top cover from the power supply, or the rear panel of the Xtramix and never operate the external power sup

The master section provides the Xtramix with many choices for routing and controlling the line signals from the input section and effects devices from