MP 400 - Amplifier PEAVEY - Free user manual and instructions

USER MANUAL MP 400 PEAVEY

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.

Intended to alert the user of the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

CAUTION: Risk of electrical shock — DO NOT OPEN!

CAUTION: To reduce the risk of electric shock, do not remove cover. No user serviceable parts inside. Refer servicing to qualified service personnel.

WARNING: To prevent electrical shock or fire hazard, do not expose this appliance to rain or moisture. Before using this appliance, read the operating guide for further warnings.

Thank you for purchasing the Peavey MP™ 400! The MP™ 400 is a four-channel, powered mixer packed into an amazing compact package. Featuring only the essential requirements for a sound reinforcement mixer, the MP 400 is a breeze to operate and a joy to own. Quality semiconductor components lend a hand to achieve the excellent audio characteristics and reliable service that has made the MP Series Mixer so well known.

The MP 400 boasts four discrete channels, each with high and low impedance inputs, a Contour high frequency EQ control, and Reverb and Level controls. The master section offers a three-band equalizer, Master Level and Reverb controls, 1/4 Main and Reverb/Aux Outputs, Aux Input, and Remote Switch Input.

The following guide explains the MP 400 features and the proper operation of each. Refer to the diagrams in each section to locate each feature by its designated number. Throughout this guide, related features will sometimes refer you to another feature using this number system. Let's begin by listing the main features of the MP 400.

FEATURES:

• Four total input channels
• Reverb control on each channel
• Contour high frequency equalizer on each channel
• 1/4" and XLR inputs on each input channel
  1/4" Main Output
  1/4" Aux/Reverb Output
  1/4" Aux Input
  1/4" Remote Switch for reverb defeat
• Master Three-band Equalizer
• Master Level and Reverb controls
• 80 W power amp

POWER

This section describes the proper application of AC power to your MP 400. To insure the safety of you and your MP 400, please pay close attention to any designated cautions.

REAR PANEL

1. IEC POWER SOCKET:

With the Power Switch (#2) in the off (O) position, plug the power cord into this connector prior to plugging it into your AC power source. Always insure that proper grounding practices are utilized. Damage to the equipment may occur if improper line voltage is used (see voltage marking on unit). Never remove or cut the ground pin of the line cord plug.

NOTE: FOR UK ONLY

As the colors of the wires in the mains lead of this apparatus may not correspond with the colored markings identifying the terminals in your plug, proceed as follows: (1) The wire which is colored green and yellow must be connected to the terminal which is marked by the letter E, or by the earth symbol, or colored green or green and yellow. (2) The wire which is colored blue must be connected to the terminal which is marked with the letter N, or the color black. (3) The wire which is colored brown must be connected to the terminal which is marked with the letter L or color red.

2. POWER SWITCH (See front panel diagram next page)

Place this switch in the "ON" position to turn the unit on.

3. POWER LED (See front panel diagram next page)

Illuminates when AC power is being supplied to the mixer.

SPEAKER CONNECTIONS

This section will help you locate the two speaker output jacks on the rear of your MP 400.

WARNING: NEVER ALLOW YOUR TOTAL SPEAKER IMPEDANCE TO DROP BELOW THE MINIMUM IMPEDANCE OF 4 OHMS.

4. SPEAKER OUTPUTS

Two parallel 1/4" jacks are provided at the output of the power amplifier for ease of speaker connection. Minimum speaker impedance (min. load) is 4 ohms.

CHANNEL FEATURES (CHANNELS 1-4)

The following section describes channels 1-4. Each of these input channels is identical.

5. MIC (LOW Z) INPUT

XLR balanced low impedance channel input optimized for a microphone or other low impedance source. Pin 2 is the positive input. This connector has +15V phantom power supply on Pins 2 and 3 at all times (Pin 1 is the ground reference).

WARNING: BECAUSE THE LOW-Z INPUTS HAVE PHANTOM POWER, ONLY CONNECT MICROPHONES OR PRODUCTS WITH A BALANCED OUTPUT TO PREVENT DAMAGE. IF YOU ARE UNSURE, PLEASE CHECK THE PRODUCT'S OPERATING INSTRUCTIONS.

6. LINE (HIGH Z) INPUT

1/4" unbalanced input that accepts line level sources equipped with a 1/4" plug (TS). The two inputs (XLR and 1/4") cannot be used simultaneously.

7. LEVEL

Sets the level of the individual channel in the mix.

8. REVERB

Sets the level of the internal reverb for the channel and must be used in conjunction with the master reverb level. It is post gain and will be affected by the LEVEL (7) adjustment. The Reverb/Aux control also determines the level of signal sent to the Effects Output (14).

9. CONTOUR

A shelving type of active tone control that varies the treble frequency level ± 15 dB at 10kHz . It is designed to remove noise or to add brilliance to the signal, depending on the quality of the source.

MASTER FEATURES

10. MASTER LEVEL CONTROL

Controls the overall volume level of the system.

11. MASTER REVERB CONTROL

Controls the amount of reverb that will be heard in the main mix.

Provides ± 15 dB equalization at each center frequency. EQ boost is obtained by moving a particular EQ band's control above the "0" position. EQ cut is obtained by moving a particular EQ band's control below the "0" position. The following list describes each EQ control and its center frequency.

Low - shelving type - 80 Hz

Mid - peak type - 1 kHz

High - shelving type - 10 kHz

OPERATION NOTE: This equalizer is designed to provide room equalization, feedback control and system tone control. No amount of equalization will correct the response curve of a poor loudspeaker. Always begin with all controls in the "0" position and avoid excessively cutting large segments of the audio passband, which would limit the system's dynamic range.

13. MAIN OUTPUT

1/4" unbalanced output that can be used as a source for an external amplifier/speaker system feed to other mixers or a tape deck.

14. REVERB/AUX OUTPUT

Plugging into this mono (TS) 1/4 output allows you to utilize external effects devices. In order to return the signal from the external effects unit, use the Aux Input (15). Simply turn the Reverb Master down to defeat the Internal Reverb if desired.

15. AUX INPUT

Use this mono 1/4" (TS) input to insert a line-level signal into the main mix. This signal can originate from a variety of sources including instrument/mic preamps, external effects (see #14), and even an additional sub mixer. This input bypasses the reverb and can be controlled by the Master EQ and Level.

16. REVERB FOOTSWITCH

Provided for connection of the optional remote footswitch (5100). The footswitch is used to activate/defeat the reverb.

MP™ 400 SPECIFICATIONS

Note: All specifications are typical unless otherwise noted.

0 dBV = 1 Volt RMS

0 dBu = .778 Volts RMS

All specs are referenced to nominal output level (0 dBV) unless otherwise noted.

All measurements are wideband 20Hz to 20kHz unless otherwise noted.

All control settings are nominal (50% rotation) unless otherwise noted.

CHANNEL:

Equivalent Input Noise

-116 dBV @ 40 dB Max Gain

Frequency Response:

(To Speaker Outputs)

±3 dB 20 Hz to 20 kHz

Distortion: @ (1 kHz):

Less than .009%

Input Impedance:

Low Z Bal. 2K ohms

1/4" Mic Input 22K ohms

CHANNEL EQ:

Contour EQ:

±15 dB @ 10 kHz Minimum

Center Detent flat ±2 dB

Nominal Channel Gain:

Line = 0 dB

Low Z = 30 dB

Maximum Channel Gain:

Low Z = 50 dB

Line = 19 dB

Nominal Input Level:

Low Z = -30 dB

Line = 0 dB

Minimum Input Level:

Low Z = -50 dB

Line = -19 dB

Maximum Input Level:

Low Z =-11 dB

Line = +28 dB

Phantom Power:

+15 VDC

MASTER:

Gain

Main: = 10 dB (variable)

High EQ:

± 15 dB @ 12 kHz Minimum

Center Detent flat ±2 dB

Mid EQ:

±15dB@1kHz Minimum

Center Detent flat ±2 dB

Low EQ:

±15dB@60HZ Minimum

Center Detent flat ±2 dB

Maximum Output Level:

Main: = +18 dBV (8.0 V RMS)

Effects: = +18 dBV (8.0 V RMS)

Nominal Headroom:

Main: = 18 dB

Effects: = 18 dB

Output Impedance:

Main: = 100 ohms

Effects: = 100 ohms

Output Noise:

Residual: -95

(Master Level Down)

Bus: -93

(Master Nominal, All Channel Level Full CCW, Reverb Level Down)

Nominal: -78

(All Controls Nominal, Low Z Input Terminated 150 Ohms)

Signal to noise ratio:

Microphone input to speaker output (>80dB)

Frequency Response: 20Hz to 20kHz

SYSTEM DYNAMIC RANGE:

95 dB

POWER AMP SECTION:

Frequency Response:

+0, -3 dB, 30 Hz to 28 kHz @ Rated Power

RATED POWER AND LOAD:

80 W RMS into 4 ohms

55 W RMS into 8 ohms

THD less than .5% Mic input to speaker output 1 kHz at rated power. Speaker system Impedance: 4 ohms minimum.

Power Requirements:

150W @ 100V, 120V, 230 VAC 50/60 Hz.

MP 400 BLOCK DIAGRAM

DEUTSCH

MP™ 400

Power-Mixer

Low - shelving type - 80 Hz

Mid - peak type - 1 kHz

High - shelving type – 10 kHz

±3 dB 20 Hz a 20 kHz

±15 dB @ 10 kHz Minimo

Centro plano ±2 dB

Ganancia Nominal de Canal:

Linea = 0 dB

Low Z = 30 dB

±15 dB @ 12 kHz Minimo:

Centro Plano ±2 dB

EQ Medio:

±15 dB @ 1 kHz Minimo:

Centro Plano ±2 dB

EQ Grave:

±15 dB @ 60 HZ Minimo:

Centro Plano ±2 dB

Nivel de Salida Maximo:

Main: = +18 dBV (8.0 V RMS)

Effectos: = +18 dBV (8.0 V RMS)

Umbral Nominal:

Main: = 18 dB

Effectos: = 18 dB

Effective Date: July 1, 1998

What This Warranty Covers

Your Peavey Warranty covers defects in material and workmanship in Peavey products purchased and serviced in the U.S.A. and Canada.

What This Warranty Does Not Cover

The Warranty does not cover: (1) damage caused by accident, misuse, abuse, improper installation or operation, rental, product modification or neglect; (2) damage occurring during shipment; (3) damage caused by repair or service performed by persons not authorized by Peavey; (4) products on which the serial number has been altered, defaced or removed; (5) products not purchased from an Authorized Peavey Dealer.

Who This Warranty Protects

This Warranty protects only the original retail purchaser of the product.

How Long This Warranty Lasts

The Warranty begins on the date of purchase by the original retail purchaser. The duration of the Warranty is as follows:

Product Category	Duration
Guitars/Basses, Amplifiers, Pre-Amplifiers, Mixers, Electronic Crossovers and Equalizers	2 years * (+ 3 years)
Drums	2 years * (+ 1 year)
Enclosures	3 years * (+ 2 years)
Digital Effect Devices and Keyboard and MIDI Controllers	1 year * (+ 1 year)
Microphones	2 years
Speaker Components (incl. speakers, baskets, drivers, diaphragm replacement kits and passive crossovers) and all Accessories	1 year
Tubes and Meters	90 days

[denotes additional warranty period applicable if optional Warranty Registration Card is completed and returned to Peavey by original retail purchaser within 90 days of purchase.]

What Peavey Will Do

We will repair or replace (at Peavey's discretion) products covered by warranty at no charge for labor or materials. If the product or component must be shipped to Peavey for warranty service, the consumer must pay initial shipping charges. If the repairs are covered by warranty, Peavey will pay the return shipping charges.

How To Get Warranty Service

(1) Take the defective item and your sales receipt or other proof of date of purchase to your Authorized Peavey Dealer or Authorized Peavey Service Center.

OR

(2) Ship the defective item, prepaid, to Peavey Electronics Corporation, International Service Center, 412 Highway 11 & 80 East, Meridian, MS 39301 or Peavey Canada Ltd., 95 Shields Court, Markham, Ontario, Canada L3R 9T5. Include a detailed description of the problem, together with a copy of your sales receipt or other proof of date of purchase as evidence of warranty coverage. Also provide a complete return address.

Limitation of Implied Warranties

ANY IMPLIED WARRANTY, INCLUDING WARRANTYES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE LENGTH OF THIS WARRANTY.

Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.

Exclusions of Damages

PEAVEY'S LIABILITY FOR ANY DEFECTIVE PRODUCT IS LIMITED TO THE REPAIR OR REPLACEMENT OF THE PRODUCT, AT PEAVEY'S OPTION. IF WE ELECT TO REPLACE THE PRODUCT, THE REPLACEMENT MAY BE A RECONDITIONED UNIT. PEAVEY SHALL NOT BE LIABLE FOR DAMAGES BASED ON INCONVENIENCE, LOSS OF USE, LOST PROFITS, LOST SAVINGS, DAMAGE TO ANY OTHER EQUIPMENT OR OTHER ITEMS AT THE SITE OF USE, OR ANY OTHER DAMAGES WHETHER INCIDENTAL, CONSEQUENTIAL OR OTHERWISE, EVEN IF PEAVEY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.

This Warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

If you have any questions about this warranty or service received or if you need assistance in locating an Authorized Service Center, please contact the Peavey International Service Center at [phone] / Peavey Canada Ltd. at [phone].

Features and specifications subject to change without notice.

IMPORTANT SAFETY INSTRUCTIONS

WARNING: When using electric products, basic cautions should always be followed, including the following:

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water. For example, near or in a bathtub, swimming pool, sink, wet basement, etc.
6. Clean only with a damp cloth.
7. Do not block any of the ventilation openings. Install in accordance with manufacturer's instructions. It should not be placed flat against a wall or placed in a built-in enclosure that will impede the flow of cooling air.
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 polarized 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 plug. The wide blade or third prong is provided for your safety. When the provided plug does not fit into your inlet, consult an electrician for replacement of the obsolete outlet. Never break off the grounding. Write for our free booklet "Shock Hazard and Grounding". Connect only to a power supply of the type marked on the unit adjacent to the power supply cord.
10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point they exit from the apparatus.
11. Only use attachments/accessories provided by the manufacturer.
12. Use only with a 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.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply 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.
15. If this product is to be mounted in an equipment rack, rear support should be provided.
16. Exposure to extremely high noise levels may cause a permanent hearing loss. Individuals vary considerably in susceptibility to noise-induced hearing loss, but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a sufficient time. The U.S. Government's Occupational and Health Administration (OSHA) has specified the following permissible noise level exposures:

Duration Per Day In Hours	Sound Level dBA, Slow Response
8	90
6	92
4	95
3	97
2	100
1 1/2	102
1	105
1/2	110
1/4 or less	115

According to OSHA, any exposure in excess of the above permissible limits could result in some hearing loss. Ear plugs or protectors to the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss, if exposure is in excess of the limits as set forth above. To ensure against potentially dangerous exposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing high sound pressure levels such as this amplification system be protected by hearing protectors while this unit is in operation.

SAVE THESE INSTRUCTIONS!

PEAVEY

Features and specifications subject to change without notice.

Peavey Electronics Corporation • 711 A Street • Meridian • MS • 39301 [phone] • FAX [phone] • www.peavey.com