M-Audio SP-8B Studiophile Series Bedienungsanleitung

Studiophile SP-8B

Users Manual

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

What’s in the Box? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Studiophile SP-8B Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

1. Woofer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

2. Tweeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

3. Sub-Frequency Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

4. Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

5. Network & Power Amplifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Rear Panel: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Front Panel and Side View: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

XLR Balanced Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

TRS Balanced/Unbalanced Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Connecting to the Corresponding Pre-Amplifier, Computer or Game... . . . . . . .7

Placing the SP-8Bs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Appendix A - Technical Specs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Appendix B - Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

One Year Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Introduction

Thank you for choosing the SP-8B Studiophile Series bi-amplified powered

studio reference monitor speakers. M-Audio is well known for digital audio

interface technology, digital converters, audio pre amps and mixers. Now, after

long research and development, the Studiophile SP-8B is born to change the

concept of studio reference monitoring.

The SP-8B was designed and tested by veteran audio engineers to meet your needs

in a studio monitoring environment. It is focused on the functional goal of delivering

pure original sound without any additional coloration. The SP-8B monitor are

self-powered, directly accepting a line level signal from a variety of sources.

The Studiophile SP-8B is designed to overcome all the limitations of

conventional studio reference monitors within the digital audio environment.

This system delivers a wide range of frequency response by employing two

extraordinary drivers and unique crossover technology licensed by M-Audio. It

boasts a stable and balanced low-mid frequency response along with a defined

mid- and high-frequency response as well. Both drivers are magnetically

shielded for desktop music production.

From professional users in commercial studios to home studio owners, the

Studiophile SP-8B sets a new affordable standard it studio monitoring.

What’s in the Box?

Your Studiophile SP-8B box contains:

•Two SP-8B speakers

•Two detachable AC power cords

•This manual

Studiophile SP-8B Features

1. Woofer

The woofer unit is 8 inches in diameter with a magnetically shielded

minera-filled polypropylene cone, high-temperature voice coil and damped

rubber surround. It is designed to deliver balanced mid- and low- frequency

response. Polypropylene is used to react against the input signal accurately and

to deliver even minimal input precisely while minimizing distortion.

2. Tweeter

By employing a specially developed 1" silk dome with magnetic shielding, the

tweeter can deliver distortion-free original sound and offer extremely natural

response. It minimizes reaction time by using fabric silk for excellent delivery,

and also minimizes resonance by adapting a unique internal damping technology.

3. Sub-Frequency Port

The hole in the rear panel is called a Sub-Frequency Port and is designed to

discharge extreme low frequencies under 30 Hz.

4. Enclosure

The enclosure has an important role just as the other components. The SP-8B’s

enclosure is designed to endure impact from inside under extreme conditions. It

employs special high-density MDF and unique interior reinforcement to provide

more stable performance.

5. Network & Power Amplifiers

The network & power amplifiers for the SP-8B are specially designed for this

woofer and tweeter. The network properly distributes low, mid, and high

frequencies to the components in order to reduce distortion and loss of sound,

thus achieving a naturally balanced sound.

In order to generate ultra crisp, powerful sound quality, there are two separate

power amplifiers inside the SP-8B to drive the woofer and tweeter separately in

a high-end bi-amp structure. The power delivered to the woofer driver at a rated

distortion is 55W and 45W is delivered to the tweeter.

Rear Panel:

1. XLR INPUT: This jack accepts XLR input connections with either balanced or

unbalanced wiring. The signal of the XLR INPUT is summed together with

the TRS INPUT through a balanced input amplifier, allowing both inputs to

be used simultaneously. Input specifications apply to both inputs. The input

wiring of an XLR connector should be as follows:

INPUT SIGNAL XLR CONNECTIONS

+PIN 2

-PIN 3

Shield PIN 1

2. TRS INPUT: This jack accepts a TRS connector, either balanced or unbalanced

wiring. For balanced wiring, a three-conductor TRS plug is necessary. The

input wiring of a TRS connector should be as follows:

INPUT SIGNAL TRS CONNECTIONS

+TIP

-RING

Shield Sleeve

Unbalanced wiring works with either a two- or three-conductor TRS

connector.Atwo-conductor TRS plug automatically grounds the minus signal

input, whereas a three-conductor TRS plug wired unbalanced provides the

option of leaving the minus open or grounded. We recommend that you

ground the unused input.

The TRS input is summed together with an XLR input through a balanced

input amplifier, allowing both inputs to be used simultaneously. Input

specifications apply to both inputs.

3. PRODUCT LABEL: This label contains the model and serial number information.

4. VENT PORT: This port aids in reproduction of very low frequencies by

discharging frequencies below 30 Hz..

5. VOLUME CONTROL: Use the volume control to set the output sound

pressure from the SP-8B to proper levels as required.

6. POWER SWITCH: This switch turns the monitor on and off. The on position

is indicated by the marking “I”.

7. POWER RECEPTACLE: Accepts a detachable 3-circuit line cord in order to

power the monitor.

8. FUSE HOLDER: Holds the external main fuse.

9. VOLTAGE-SELECT SWITCH: Provides 2 selections - 115VAC and 230VAC,

and should be set to match the “house current” (receptacle) voltage of the

country/location in which the speaker is used. The 115V setting is correct for

the USA andthe 230V setting correct for most of the UK and Europe.

Front Panel and Side View:

1. The front panel houses the Power LED which indicates whether the speakers

(amplifier) power is on or off.

HF Driver

(Tweeter)

LF Driver

(Woofer)

Power

LED

9.5 inches 11.82 inches

14.97 inches

Installation

For optimal performance of the SP-8B, please read the following thoroughly and

carefully prior to installation.

Precautions

Handling: Please do not grab the speaker cones. The SP-8B set is packaged in

the box tightly, so your attention is required when taking the monitors out of the

box. To avoid possible damage to the speaker units, hold both sides of the

monitor in order to pull it out of the box. The speaker cones should not be

touched in order to avoid damage even after they are out of the box.

Connections: Connect the XLR balanced or TRS balanced /unbalanced input of

each SP-8B to the corresponding pre-amp, computer or game console outputs.

We recommend that you use high-quality balanced or unbalanced cables for

input connections. Also, turn off the power of the SP-8B and turn the volume of

the SP-8B down to a minimum before making the necessary connections

Correct Power Operation: Since the SP-8B contains its own amplifier, it must

be connected to a power outlet using the detachable AC cable provided. Before

connecting power, please make sure that the Voltage-Select Switch, located on

the the speakers rear panel is set to the appropriate position, as described in the

rear-panel features list appearing earlier in this manual.

Note: - WARNING! - Use of improper voltage/selector-switch

combinations may result in hazardous conditions and/or damage

to speaker components not covered by speaker warranty.

XLR Balanced Connection

Assure that the power switch of the SP-8B is turned off and that the volume

control of the SP-8B is turned down to a minimum. Connect the male end of an

XLR balanced cable to the balanced input of the SP-8B (refer to the following

diagram for balanced connection).

TRS Balanced/Unbalanced Connection

Assure that the power switch of the SP-8B is turned to off and that the volume

control of the SP-8B is turned down to a minimum. Connect the male end of a

TRS balanced or TS unbalanced cable to the TRS input of the SP-8B (refer to the

following diagram for TRS connection).

Connecting to the Corresponding Pre-Amplifier,

Computer or Game Console Outputs

Before connecting, make sure its power is turned off.

Plug the XLR balanced, TRS balanced or TS unbalanced cable to the

corresponding output connectors of a pre-amplifier, computer or game console.

XLR

Input

TRS

Power

Fuse: T1AL250V

CAUTION

RISKOFELECTRICSHOCK

DONOTOPEN

Volume

•InputImp:20k ohmsBal./10k ohms Unbal.•

•InputSensitivity: 200mV•

•LF Amp.Power:40W/HF Amp.Power:30W•

TRS Balanced or Unbalanced Connection

XLR

Input

TRS

Power

Fuse: T1AL250V

CAUTION

RISKOFELECTRICSHOCK

DONOTOPEN

Volume

•Input Imp:20k ohmsBal./10k ohms Unbal.•

•Input Sensitivity: 200mV•

•LF Amp.Power:40W/HF Amp.Power: 30W•

balanced connection

Placing the SP-8Bs

Placing the speakers is one of the most important procedures in order to monitor

sound accurately. To monitor with the SP-8Bs at their maximum capability, an

appropriate listening environment and correct placement is required. Please,

refer to the following in order to place the SP-8Bs correctly.

1. Basically, the two units and the listener should align to form a regular triangle.

Refer to the following diagram.

2. Position the monitors so that the top of the woofers are level with your ears in

a normal listening environment. Refer to the following diagram.

left unit right unit

3. Place the SP-8Bs vertically with the woofer on the bottom. Placing the SP-8Bs

horizontally is not recommended.

Remarks: DO NOT place any obstacles that may block the flow of air in front

or between the SP-8Bs. Also remove reflective materials such as glass, mirrors

or metal from the monitoring environment. PLACE THOSE MATERIALS

AWAY FROM THE PATH OF THE SOUND FROM THE SP-8Bs.

NOTE: The tweeter on your SP-8B has the unique quality of being

movable. This feature should only be used in extreme cases where

normal placement is not possible. If this is necessary, put pressure

on the outer ring of the tweeter to move it to a more advantageous

and directional position.

Appendix A - Technical Specs

Type: Two-way studio reference

LF Driver: 8-inch magnetically-shield mineral-filled polypropylene curved

cone with high temperature voice coil and damped rubber surround

HF Driver: 1-inch magnetically-shield natural silk dome

Frequency Response: 33Hz - 22kHz

Crossover Frequency: 1.8kHz

LFAmplifier Power: 55W

HFAmplifier Power: 45W

S/N Ratio: > 100dB below full output, 20kHz bandwidth

Input Connectors: One XLR balanced input connector; one TRS balanced/

unbalanced input connector

Polarity: Positive signal at + input produces outward low-frequency cone

displacement

Input Impedance: 20k ohms balanced, 10k ohms unbalanced

Input Sensitivity: 200 mV input produces full output with volume control at

maximum

Protection: RF interference, output current limiting, over temperature, turn

on/off transient, subsonic filter, external main fuse

Indicator: Power on/off indicator on rear panel

Power Requirements: Dual-voltage (selectable by rear-panel switch) for either

115V/~60Hz, 230V/~50Hz; powered via detachable 3-circuit line cord

Cabinet: vinyl-laminated MDF

Dimension: 380 mm (H) x 250 mm (W) x 300 mm (D)

Weight: 20.32 lb/unit (without packing)

Remarks: Above specifications are subject to change without notice

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