Yamaha SPX900 Manual download pdf (Page 3)

INTRODUCTION

Congratulations on your acquisition of a Yamaha SPX900 Professional Multi-effect

Processor. The SPX900 is a highly sophisticated digital reverberation and effects system

which offers 50 preset effect programs including accurate simulations of natural rever-

beration and early-reflections, delay and echo effects, gated effects, modulation effects,

a versatile compressor, a harmonic exciter, multiple effects which function as several

SPX900 units in one, freeze (sampling) programs and others. With a sampling frequency

of 44.1 kHz, it delivers full, flat frequency response from 20 Hz to 20 kHz for exceptionally

clean, “transparent” effect sound. The preset effect programs can be edited, re-titled, and

stored in any of 49 RAM user memory locations. Individual two-band parametric EQ and

dynamic filter parameters are provided for each effect program for precise tonal tailor-

ing. In addition to the basic effect and EQ parameters, the SPX900 offers a list of “internal

parameters” which provide exacting control over the effect sound. The SPX900 is also

MIDI compatible, with a MIDI IN terminal that allows MIDI selection of effect programs,

and a switchable MIDI THRU/OUT terminal. When switched to OUT, edited programs

stored in internal RAM can be dumped to a MIDI data recorder or other data storage

device. Programs thus stored can be reloaded when necessary via the MIDI IN termi-

nal. As an extra touch of convenience the SPX900’s input and output terminals can be

switched to match -20 dBm or +4 dBm line levels + providing compatibility with a broader

range of sound equipment.

In order to fully take advantage of all the capability offered by the SPX900 Professional

Multi-effect Processor, we urge you to read this operation manual thoroughly – and keep

it in a safe place for later reference.

FCC INFORMATION

While the following statements are provided to comply

with FCC Regulations in the United States, the cor-

rective measures listed below are applicable world-

wide.

This series of Yamaha professional music equipment

uses frequencies that appear in the radio frequency

range and if installed in the immediate proximity of

some types of audio or video devices (within three

meters), interference may occur. This series of Yamaha

professional music equipment has been type tested

and found to comply with the specifications set for

a class B computing device in accordance with those

specifications listed in subpart J of part 15 of the FCC

rules. These rules are designed to provide a reasonable

measure of protection against such interference.

However, this does not guarantee that interference

will not occur. If your professional music equipment

should besuspected of causing interference with other

Relocate either the equipment or the electronic device

that is being affected by the interference. Utilize power

outlets for the professional music equipment and the

device being affected that are on different branch

(circuit breaker or fuse) circuits, or install AC line

filters.

In the case of radio or TV interference, relocate the

antenna or, if the antenna lead-in is 300 ohm ribbon

lead, change the lead-in to a co-axial type cable.

if these corrective measures do not produce satisfac-

tory results, please contact your authorized Yamaha

professional products dealer for suggestions and/or

corrective measures.

If you cannot locate a franchised Yamaha professional

products dealer in your general area contact the

Electronic Service Department, Yamaha Corporation

of America, 6600 Orangethorpe Ave., Buena Park,

CA 90620, U.S.A.

electronic devices, verification can be made by turning

your professional music equipment off and on. If the

interference continues when your equipment is off,

the equipment is not the source of interference. If your

equipment does appear to be the source of the inter-

ference, you should try to correct the situation by using

one or more of the following measures:

If for any reason, you should need additional infor-

mation relating to radio or TV interference, you may

find a booklet prepared by the Federal Communi-

cations Commission helpful:

“How to Identify and Resolve Radio-TV Interference

Problems”. This booklet is available from the U.S.

Government Printing Office, Washington D.C. 20402

- Stock No. 004-000-00345-4.

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Yamaha SPX900 Manual Page 3

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