JBL MPA1100 Скачать руководство пользователя страница 17

16

SMPTE-IM, less than 0.05 %

20 Hz to 20 kHz, ±0.1 dB
8 Hz to 100 kHz, +0/-3 dB

Greater than 200

3 dB at 4 ohms (2 dB for MPA275)

100 dB below rated output (20 Hz to 20 kHz)

1 Vrms for rated power (8 ohms)

MPA1100: 80 (38 dB)
MPA750: 63 (36 dB)
MPA600: 56 (35 dB)
MPA400: 45 (33 dB)
MPA275: 35.5 (31 dB)

10 kilohms unbalanced, 20 kilohms balanced

Front: AC switch, Ch 1 & Ch 2 Gain (2 dB detents). Rear: One toggle switch for
paralleling inputs and for bridged output configuration

POWER: Green 

LED

SIGNAL PRESENT: Green LED
LEVEL -20: Green LED
LEVEL -10: Yellow LED
CLIP: Red LED 
PROTECT: Red LED (flashes for over-temp)

Input: Barrier strip and XLR
Speakers: 5-way binding posts, Speakon connectors, st. Speakon**

Continuously variable speed fan, rear-to-front air flow

Full short circuit†, open circuit, ultrasonic, and RF protection, thermal limit-
ing/muting; stable into reactive or mismatched loads 

On/off muting, clip limiting, DC-fault load grounding relay with internal fault
fuses

Complementary linear, high-efficiency outputs: 3-step on MPA1100; 2-step on
MPA750, MPA600 & MPA400; 1 step on MPA275

100, 120, 220–240 Vac, 50–60 Hz

See Charts on pages 9 and 10.

48.3 cm (19

"

) rack mounting,

45.5 cm (17.9

"

) deep (rear support ears),

MPA1100 & MPA750 are 13.3 cm (5.25

"

) high (3 spaces);

MPA600, MPA400 & MPA275 are 8.9 cm (3.5

"

) high (2 spaces)

MPA1100: 29 kg (64 lbs) net, 31.8 kg (70 lbs) shipping
MPA750: 24.9 kg (55 lbs) net, 26.8 kg (59 lbs) shipping
MPA600: 20 kg (44 lbs) net, 22.2 kg (49 lbs) shipping
MPA400: 19.1 kg (42 lbs) net, 21.2 kg (47 lbs) shipping
MPA275: 18.1 kg (40 lbs) net, 20.4 kg (45 lbs) shipping

Specifications

DISTORTION

FREQUENCY RESPONSE

DAMPING FACTOR

DYNAMIC HEADROOM

NOISE

SENSITIVITY

VOLTAGE GAIN

INPUT IMPEDANCE

CONTROLS

INDICATORS

(each channel)

CONNECTORS

(each chan., except one stereo Speakon)

COOLING

AMPLIFIER PROTECTION

LOAD PROTECTION

OUTPUT CIRCUIT TYPE

POWER REQUIREMENTS

POWER CONSUMPTION

DIMENSIONS

WEIGHT

General Specifications

Continued

** For mating cable, use Neutrik NL4FC connector.
†Output Averaging™ short circuit protection (US Patent 4,321,554).

Содержание MPA1100

Страница 1: ...P r o f e s s i o n a l A m p l i f i e r Clip 10dB 20dB Signal Present Clip 10dB 20dB Signal Present Power Protect 1 CHANNEL 2 18 10 8 6 4 12 14 24 0 2 48 18 10 8 6 4 12 14 24 0 2 48 Clip 10dB 20dB...

Страница 2: ...HE RISK OF ELECTRIC SHOCK DO NOT REMOVE THE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL VORSICHT UM DAS RISIKO EINES ELEKTRISCHEN SCHLAGES ZU VERMINDERN ABDEC...

Страница 3: ...peaker Outputs 5 Figure 5 Typical Unbalanced Connection 6 Figure 6 Portable Balanced System 6 Figure 7 Installed Balanced System 6 Figure 8 Ground Bus Connection 6 Figure 9 Jumper Positions for XLR Po...

Страница 4: ...ort within the rack must be used in portable applica tions Open Input Architecture Slots Provided with each MPA Series amplifier is a standard input module This module and the upper input cover panel...

Страница 5: ...6 7 13 23 22 23 22 25 29 24 27 28 26 30 31 31 25 29 24 27 28 26 30 31 31 Figure 2 Rear and Front Panel for 2 Space High Models MPA275 MPA400 MPA600 Figure 3 Rear and Front Panel for 3 Space High Mode...

Страница 6: ...ce is 20 kilohm balanced 10 kilohm unbalanced as is typical of JBL amplifiers The input jacks are located on a removable panel which has a toggle switch for 1 bridged mono 2 normal stereo or 3 paralle...

Страница 7: ...ld at the source with no connection to pin 1 at the amplifier If after wiring the input as shown above any hum or buzzing is present connect the GND terminals of all amplifiers together This bus shoul...

Страница 8: ...the rear panel 5 Install the input ribbon cable and remount the Standard Input Module securely To Parallel the Inputs 1 Locate the selector switch adjacent to the CHANNEL 1 input XLR connector and se...

Страница 9: ...MIN CH 2 CH 1 DUAL CHANNEL OUTPUT CONNECTOR STEREO 4 OHM MIN PER CH CONNECT ONE SPEAKER LOAD ONLY Use Either Binding Posts or Stereo Speakon but not both 2 2 1 1 BRIDGED MONO MODE CAUTION Output volt...

Страница 10: ...hese levels in perspective music played at one third average power will be in a state of constant clipping and this power level is about the greatest one can obtain without completely obliterating the...

Страница 11: ...1400 x 2 56 0 A 23 4 A 11 8 A 8 8 510 x 2 18 6 A 9 8A 4 8 A MPA750 4 4 760 x 2 30 0 A 14 8 A 6 8 A 0 8 A 2 2 1000 x 2 39 4 A 21 4 A 10 6 A 8 8 425 x 2 13 6 A 8 6 A 3 6 A MPA600 4 4 610 x 2 23 0 A 13 4...

Страница 12: ...A 2 2 1400 x 2 28 0 A 11 7 A 5 9 A 8 8 510 x 2 9 3 A 4 9A 2 4 A MPA750 4 4 760 x 2 15 0 A 7 4 A 3 4 A 0 4 A 2 2 1000 x 2 19 7 A 10 7 A 5 3 A 8 8 425 x 2 7 8 A 4 3 A 1 8 A MPA600 4 4 610 x 2 11 5 A 6 7...

Страница 13: ...proaches maximum tempera ture Illuminated steadily plus flashing during thermal muting Illuminated steadily during non thermal muting Typical Power Up Operation Power Down Behavior When the amplifier...

Страница 14: ...bnormal PROTECT may flash too CLIP flashing at full LEVEL display indicates the amp has reached full power clipping and the limiter is acting to prevent severe overdrive A steady CLIP glow after the f...

Страница 15: ...hose models rated at 2 ohms see Specifications the LEVEL 10 display should not be on more than about half the time with only occa sional clipping Protection Circuits The essence of high efficiency lig...

Страница 16: ...f 15 dB If this does not arrest the temperature rise in case of an output short or blocked ventilation the amplifier will finally enter full muting which causes full shutdown of the output bias circui...

Страница 17: ...oad grounding relay with internal fault fuses Complementary linear high efficiency outputs 3 step on MPA1100 2 step on MPA750 MPA600 MPA400 1 step on MPA275 100 120 220 240 Vac 50 60 Hz See Charts on...

Страница 18: ...720 650 700 750 500 550 600 350 375 400 225 250 275 900 1000 1100 480 510 550 400 425 450 275 290 300 180 190 200 740 770 800 700 760 825 550 610 675 400 425 450 275 300 400 1000 1100 1200 900 950 100...

Страница 19: ...1 THD 1 dB 50 Hz AC Power Mains 220 VAC 230 VAC 240 VAC 660 690 720 220 VAC 230 VAC 240 VAC 650 700 750 500 550 600 350 375 400 225 250 275 220 VAC 230 VAC 240 VAC 900 1000 1100 220 VAC 230 VAC 240 VA...

Страница 20: ...TECT display is visible amplifier has muted due to extreme overheating Fan should be running at full speed and unless ventila tion is blocked operation should resume within one minute B The amplifier...

Страница 21: ...speed 50 60 C Fan Speed rises gradually from slow to full 75 C PROTECT LED starts flashing 85 C PROTECT flash rate increases and CLIP starts to glow steadily The limiter will begin to reduce amplifie...

Страница 22: ...ty without prior authorization You may obtain that authorization by contacting the factory or repair facility directly Please ship amplifiers in original packing materials or equiva lent to prevent fu...

Страница 23: ...Part No TD 007500 OB PS137 2 A Harman International Company JBL Incorporated 8500 Balboa Boulevard Northridge California 91329USA...

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