Yamaha Audio P7000S, P5000S, P3500S, P2500S User Manual

POWER AMPLIFIER

Owner’s Manual

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF

ELECTRIC SHOCK, DO NOT REMOVE

COVER (OR BACK). NO USER-SERVICEABLE

PARTS INSIDE. REFER SERVICING TO

QUALIFIED SERVICE PERSONNEL.

The above warning is located on the top of the unit

IMPORTANT SAFETY INSTRUCTIONS

• Explanation of Graphical Symbols

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

1 Read these instructions. 2 Keep these instructions. 3 Heed all warnings. 4 Follow all instructions. 5 Do not use this apparatus near water. 6 Clean only with dry cloth. 7 Do not block any ventilation openings. Install in

accordance with the manufacturer’s instructions.

8 Do not install near any heat sources such as

radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

9 Do not defeat the safety purpose of the polar-

ized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

10 Protect the power cord from being walked on or

pinched particularly at plugs, convenience

IMPORTANT NOTICE FOR THE UNITED KINGDOM

Connecting the Plug and Cord

WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT. The wires in this mains lead are coloured in accordance with the following code:

As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proceed as follows: The wire which is coloured GREEN-and-YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or colored GREEN or GREEN-and-YELLOW. The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.

GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVE

receptacles, and the point where they exit from the apparatus.

11 Only use attachments/accessories specified by

the manufacturer.

Use only with the cart, stand,

tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/ apparatus combination to avoid injury from tip-over.

Unplug this apparatus during lightning storms

or when unused for long periods of time.

Refer all servicing to qualified service person-

nel. Servicing is required when the apparatus has been damaged in any way, such as powersupply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.

++ --

(+)(-)

BRIDGE

This mark indicates a dangerous electrically live terminal. When connecting an external wire to this terminal, it is necessary either to have “a person who have received appropriate guidance on handling” make the connection or to use leads or a cord that have been manufactured in such a way that the connection can be made simply and without problem.

•

This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd. (3 wires)

Precautions

— For safe operation —

WARNING

Installation

● Connect this unit’s power cord only to an AC outlet of the type

stated in this Owner’s Manual or as marked on the unit. Failure to do so is a ﬁre and electrical shock hazard.

● Do not allow water to enter this unit or allow the unit to become

wet. Fire or electrical shock may result.

● Do not place a container with liquid or small metal objects on

top of this unit. Liquid or metal objects inside this unit are a ﬁre and electrical shock hazard.

● Do not place heavy objects, including this unit, on top of the

power cord. A damaged power cord is a ﬁre and electrical shock hazard. In particular, be careful not to place heavy objects on a power cord covered by a carpet.

Operation

● Do not scratch, bend, twist, pull, or heat the power cord. A dam-

aged power cord is a ﬁre and electrical shock hazard.

● Do not remove the unit’s cover. You could receive an electrical

shock. If you think internal inspection, maintenance, or repair is necessary, contact your dealer.

● Do not modify the unit. Doing so is a ﬁre and electrical shock

hazard.

● If lightning begins to occur, turn off the power switch of the unit

as soon as possible, and unplug the power cable plug from the electrical outlet.

● If there is a possibility of lightning, do not touch the power cable

plug if it is still connected. Doing so may be an electrical shock hazard.

In case an abnormality occurs during operation

● If the power cord is damaged (i.e., cut or a bare wire is exposed),

ask your dealer for a replacement. Using the unit with a damaged power cord is a ﬁre and electrical shock hazard.

● Should this unit be dropped or the cabinet be damaged, turn the

power switch off, remove the power plug from the AC outlet, and contact your dealer. If you continue using the unit without heeding this instruction, ﬁre or electrical shock may result.

● If you notice any abnormality, such as smoke, odor, or noise, or

if a foreign object or liquid gets inside the unit, turn it off immediately. Remove the power cord from the AC outlet. Consult your dealer for repair. Using the unit in this condition is a ﬁre and electrical shock hazard.

CAUTION

Installation

● Keep this unit away from the following locations:

- Locations exposed to oil splashes or steam, such as near cooking stoves, humidiﬁers, etc.

- Unstable surfaces, such as a wobbly table or slope.

- Locations exposed to excessive heat, such as inside a car with all the windows closed, or places that receive direct sunlight.

- Locations subject to excessive humidity or dust accumulation.

● Do not place the power cord close to a heater. It may melt, caus-

ing ﬁre or electrical shock.

● Hold the power cord plug when disconnecting it from an AC out-

let. Never pull the cord. A damaged power cord is a potential ﬁre and electrical shock hazard.

● Do not touch the power plug with wet hands. Doing so is a

potential electrical shock hazard.

● This unit has ventilation holes at the front and rear to prevent the

internal temperature rising too high. Do not block them. Blocked ventilation holes are a ﬁre hazard. In particular, do not

- place the unit on its side or upside down,

- place the unit in any poorly-ventilated location such as a bookcase or closet (other than on the dedicated rack),

- cover the unit with a table cloth or place it on a carpet or bed.

● Allow enough free space around the unit for normal ventilation.

This should be: 5 cm at the sides, 10 cm behind, and 10 cm above. If the airﬂow is not adequate, the unit will heat up inside and may cause a ﬁre.

● To mount several of these units in a standard EIA rack, refer to

the rack mounting instructions on page 11.

● To relocate the unit, turn the power switch off, remove the power

plug from the AC outlet, and remove all connecting cables. Damaged cables may cause ﬁre or electrical shock.

Operation

● Use only speaker cables when connecting speakers to ampliﬁer

outputs. Using other types of cables is a ﬁre hazard.

● Turn off all musical instruments, audio equipment, and speakers

when connecting to this unit. Use the correct connecting cables and connect as speciﬁed.

● Always lower the volume control to minimum before turning on

the power to this unit. A sudden blast of sound may damage your hearing.

● Do not use this ampliﬁer for any purpose other than driving loud-

speakers.

● If you know you will not use this unit for a long period of time,

such as when going on vacation, remove the power plug from the AC outlet. Leaving it connected is a potential ﬁre hazard.

— For correct operation —

Connector pin assignments Interference from Cell Phones

● XLR-type connectors are wired as follows

Pin 1: ground; Pin 2: hot (+); Pin 3: cold (–).

Always turn the power off when the ampliﬁer is not in use.

Illustrations in this manual are for explanatory purposes only, and may not match the actual appearance of the product during operation.

Company names and product names used in this Owner's Manual are trademarks or registered trademarks of their respective owners.

● Use of a mobile phone near this unit may induce noise. If noise

occurs, move the phone further from the unit.

FCC INFORMATION (U.S.A.)

1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!

This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modiﬁcations not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product.

2. IMPORTANT: When connecting this product to accessories and/or another product use only high quality shielded cables. Cable/s

supplied with this product MUST be used. Follow all installation instructions. Failure to follow instructions could void your FCC authorization to use this product in the USA.

* This applies only to products (P7000S, P5000S) distributed by YAMAHA CORPORATION OF AMERICA.

Introduction

Thank you for your purchase of the YAMAHA P7000S, P5000S, P3500S or P2500S power ampliﬁer. These P-series ampliﬁers fully incorporate Yamaha’s renown technological expertise, and offer high reliability, rock-solid stability, and superb acoustic characteristics—all in a trim, 2U-sized package.

Features

• With two types of input jacks (balanced XLR and balanced phone) and three types of output jacks (Speakon, 5-way binding post, and phone), the P series is suitable for a wide variety of applications and installed systems.

• The unit offers three operating modes: STEREO (where Channels A and B operate independently), PARALLEL (where the unit outputs a mono source through twin ampliﬁer systems), and BRIDGE (where the unit operates as a single high-power amp).

• Each channel is equipped with an independent OFF/LOW CUT/SUBWOOFER switch—where LOW CUT engages a high-pass ﬁlter, and SUBWOOFER engages a low-pass ﬁlter. With LOW CUT or SUBWOOFER selected, you can adjust the cutoff frequency from 25 to 150 Hz.

• Each channel has its own SIGNAL and CLIP indicators.

• The PROTECTION indicator lights up—and sound output is automatically muted—whenever the unit’s protective circuitry is operating. The TEMP indicator lights up if the unit is running hot.

• Variable-speed low-noise fans ensure high reliability.

This Owner’s Manual covers the four models: P7000S, P5000S, P3500S and P2500S power ampliﬁers. Please read through this manual carefully before beginning use, so that you will be able to take full advantage of the ampliﬁer’s superlative features and enjoy trouble-free operation for years to come. After reading through the manual, please store it in a safe place.

Contents

Controls and Functions ..................................... 6

Front Panel .......................................................... 6

Rear Panel ........................................................... 7

Speaker Connections ........................................ 9

Speaker impedance ............................................. 9

Wiring ................................................................ 10

Rack Mounting ................................................ 11

Speciﬁcations .................................................. 12

General Specifications ....................................... 12

Block Diagram ................................................... 13

Dimensions ........................................................ 14

Performance Graphs ......................................... 14

Troubleshooting ............................................... 15

Controls and Functions

■ Front Panel

2 4

1 POWER switch and indicator

Press to toggle the power on or off. The POWER indicator lights up green when the power is ON.

2 TEMP indicator

Lights up red if the heat sink temperature exceeds 85°C (185°F).

7361 58 8

w to install the security cover

Ho (1) Use the supplied hex wrench to remove the four attach-

ment screws from the ampliﬁer.

(2) Adjust the security cover to the position of screw holes.

Fasten it into place using the same screws.

3 PROTECTION indicator

Lights up red to indicate that protection is in effect. Speciﬁcally, lights up if the heat sink overheats, or if a DC voltage is detected at the ampliﬁer outputs. Also lights up for about three seconds at time of power-on, as the amp gets ready to operate. To provide protection, the unit will not output any sound from the speakers while this indicator is lit up. When start-up is completed or the problem is corrected, the indicator goes off and normal operation resumes.

4 CLIP indicator

Lights up red when the output signal distortion on the corresponding channel rises above 1%—indicating that “clipping” has occurred because the signal level is too high.

5 SIGNAL indicator

Lights up green when the corresponding channel’s output level exceeds 2 Vrms (equivalent to 1/2 W into an 8 Ω load, or 1 W into a 4 Ω load).

6 Volume control knobs

Each control knob adjusts the volume of the corresponding channel, in 31 steps from –∞ dB to 0 dB.

NOTE:

If you wish to lock in the knob settings, you can fasten the supplied security cover over the knobs so that the settings will not be disturbed.

7 indicator

Lights up yellow if the YS PROCESSING switch on the rear panel is set ON. (See page 7.)

8 Air intakes

The ampliﬁer uses forced-air cooling. The cooling fans draw air in from the front and exhaust it through the rear. Please be sure that you do not block the air intakes or exhaust vents.

NOTE:

The fans do not come on at initial power-on, but will switch on automatically when the temperature of the heat sink rises above 50°C (122°F). The fan speed will then vary automatically as the temperature changes.

+ 11 hidden pages