The Performance Revolution HR824mk2과 HR624mk2은 고해상도 Active 스튜디오 레퍼런스
모니터의 혁명이라고 생각합니다.
Zero-Edge Baffle 일체화한 새로운 알루미늄 Zero Edge Baffle™의 특징으로 보다
정교한 곡률을 보입니다.
passive Radiator 통합적으로 최적화한 웨이브가이드의 정교함과 효율적인 확산 컨트롤로 사운드의
특색과 중심이 정확하고, 결과적으로 넓은 범위에서 좋은 사운드가 나오고 저음과 고음의 전환이 부드러워 집니다.
Amplifiers HRmk2 시리즈의 모니터들은 완전한 Active 디자인입니다. 또한 과도한 입력 레벨에 의한 손실을 막아주는 보호회로가 장착되어
있습니다.
Woofer/Tweeter Selection 각 HRmk2 모니터는 고-정밀도의 제품이고, HR824mk2의 낮은 디스토션 우퍼는 8.75인치이고, HR624mk2는 6.7인치입니다. 그리고, 1인치 ferrofluid 냉각 티타늄 돔 타입의 트위터로 구성되어 있습니다. 철저한 작업 흐름의 관리로 새로운 HRmk2의 드라이버는 상당한 기술력의
자원이 선택되어 사용되었습니다.
Cabinet Design 이 제품은 나무 캐비넷으로 제작되었으며 특화된 내부 보강재로 강도가
증가되었고, 기대했던 단단함을 만들어냈습니다. 전체 금속 재질의 캐비넷이 디자인적인 전략을 중요시할 동안, 우리의 팀은
캐비넷 재질을 그들의 귀를 가지고 결정지었습니다.
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TECHNICAL
INFORMATION
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Low-frequency power
amplifier
Rated Power (at 1 kHz with 1% THD):
150 watts
Rated Load
Impedance: 4 ohms
Burst Power Output: 350 watts
Rated THD (1W to –1 dB of
rated power):
0.1 %
Slew Rate: 35V/μS
Distortion (THD, SMPTE IMD, DIM
100):
< 0.035%
Signal-to-Noise
(20Hz-20kHz, unweighted, referenced
to 150W into 4!):
> 102 dB
Cooling: Convection
Design: Class AB,
Parametric Servo
Feedback
High-frequency power amplifier
Rated Power(at
1 kHz with 1% THD):
100 watts
Rated Load Impedance: 6 ohms
Burst Power
Output: 210 watts
Rated THD (1W to –1 dB of rated power):
0.1 %
Slew
Rate: 35V/μS
Distortion (THD, SMPTE IMD, DIM 100):
<
0.035%
Signal-to-Noise
(20 Hz-20 kHz, unweighted, referenced to 100 W into
6 ohms):
> 102 dB
Cooling: Convection
Design: Conventional Class
AB
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Input Type: Balanced
Differential
(XLR and 1/4" TRS)
Unbalanced (RCA)
Input Impedance: 20 k!
Balanced
10 k! Unbalanced
Input Protection: RFI and Level
Protected
Maximum Input Level: +20 dBu
Low Frequency Filter:
–3 dB @ 37
Hz, 2nd-order transitional high-pass filter
–3 dB @ 47 Hz, 4th-order
Chebyshev high-pass filter
–3 dB @ 80 Hz, 4th-order Butterworth high-pass
filter
HF Equalization: ±2 dB @ 10 kHz, shelving
Acoustic Space:
A
position: –4 dB @ 50 Hz, shelving
B position: –2 dB @ 50 Hz, shelving
C
position: Flat
Compressor:
Independent high and low frequency overload
detection
Low Line Voltage Shut Down: 60% of Nominal Line
Thermal
Protection: Amplifier Shut-Down, Auto Reset
Muting: 5 seconds at
turn-on
Driver Protection: Independent LF and HF Detection
Overall
Compression
HR824 MK2 Specifications
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Materials and
Construction:
3⁄4-inch (19 mm) thick MDF cabinet construction with
internal
bracing to add to cabinet stiffness.
Piano-black gloss
finish.
Die-cast aluminum exponential wave guide for controlled,
wide
dispersion from high-frequency driver and Zero Edge Baffle™
to
minimize diffraction around the cabinet edges.
Open cell adiabatic
“foam fill” acoustical damping material absorbs
internal reflections,
preventing delayed sound coloration.
Flush-mount connector system allows
monitor to be placed
against a wall without need for connector
clearance.
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Low-frequency driver:
Diameter: 8.75
inches (222mm)
Sensitivity (2.83V, 1 m): 91 dB SPL
Nominal Impedance: 4
ohms
Voice Coil Diameter: 1.6 inches (40 mm)
Frame: Die-cast
magnesium
Magnet: Ferrite
Fully shielded: Ferrite opposing
magnet
High-frequency driver:
Sensitivity (2.83V, 1m): 91 dB
SPL
Nominal Impedance: 6 !
Power Handling (Long Term/Program):
20/50
watts
Frequency Range: 1.6 kHz to 22 kHz
Diaphragm/Suspension: Titanium
with polymer suspension
Voice Coil Diameter: 1.0 inch (25.4 mm)
Magnet:
Neodymium
Bucking Magnet: Ferrite opposing magnet
Passive
Radiator:
6-inch x 12-inch (152mm x 305mm) mass-loaded elliptical
flat
piston with variable thickness filleted edge rubber
surround.
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Crossover Type:
Modified
Linkwitz-Riley, 24 dB/octave @ 1900 Hz
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Free-Field
Frequency Response:
±1.5 dB, 37 Hz to 20 kHz
Lower cutoff frequency: –3 dB
@ 35 Hz
Upper cutoff frequency: –3 dB @ 22 kHz
Sound Pressure Level at 1
meter,
–7.5 dBu into balanced input: 100 dB SPL @ 1m
Maximum peak SPL per
pair: 120 dB SPL @ 1m
Maximum short term SPL on axis,
half space 80 Hz to
2.5 kHz: 111 dB SPL @ 1m
Residual noise (maximum gain, 600! source,
20
Hz-20 kHz bandwidth): < 8 dB SPL @
1m
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Power
consumption:
Standby mode: 8 watts
Quiescent (idle): 18 watts
Musical
Program, Loud mix: 135 watts
US: 120 VAC, 60 Hz
Europe: 240 VAC, 50
Hz
Korea: 220 VAC, 60 Hz
Japan: 100 V, 50-60 Hz
Rated Power
(For
UL-6500, CSA-E65-94, EN-60065):
150
watts
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Height: 16.8 in/42.5
cm
Width: 10.8 in/27.3 cm
Depth Enclosure: 11.4 in/29.0 cm
Depth
Overall: 13.8 in/35.1 cm
Weight: 34.6 lb/15.7 kg
LOUD Technologies is
always striving to improve our products
by incorporating new and improved
materials, components and
manufacturing methods. Therefore, we reserve the
right to change
these specifications at any time without
notice.
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11.4" (29.0 cm)
13.8" (35.1 cm)
16.8"
(42.5
cm)
HR824 MK2
WEIGHT
34.6 lb
(15.7 kg)
10.8" (27.3 cm)
HR824
Acoustic Space Filter
Response
-15
+5
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
-0
+1
+2
+3
+4
dBu
10
20 50 100 200 500 1k 2k 5k 10k 20k
Hz
?
HR824 High Frequency EQ Filter
Response
-15
+5
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
-0
+1
+2
+3
+4
dBu
10
20 50 100 200 500 1k 2k 5k 10k 20k
Hz
?
HR824 Low Frequency Filter
Response
-45
+5
-43
-41
-39
-37
-35
-33
-31
-29
-27
-25
-23
-21
-19
-17
-15
-13
-11
-9
-7
-5
-3
-1
+1
+3
dBu
10
20 30 40 50 60 70 80 90 100 200
Hz
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+2 dB
2 0
3
1
–2
dB
HIGH FREQ.
CLIP SENSE
CLIP SENSE
CIRCUIT
HF
TRANSDUCER
THERMAL
MODELER
BALANCED
LINE
INPUTS
UNBALANCED
LINE
INPUT
SENSITIVITY
COMPRESSOR
CROSSOVER
HI-FREQ
WHOLE
HALF
QUARTER
ACOUSTIC
SPACE
LO-FREQ
SENSITIVE
CALLOUS
HF
OUT
LF TRANSDUCER
LF OUT THERMAL MODELER
TO
CLIP
SENSE
HI-FREQUENCY
POWER
AMPLIFIER
HI-FREQUENCY
DRIVER
LO-FREQUENCY
DRIVER
TWEET
HF
OUT
LF OUT
MUTE
37Hz (NORMAL)
80Hz
LOW FREQ
47Hz
TO
CLIP
SENSE
LO-FREQUENCY
POWER
AMPLIFIER
MUTE
SENSE
RESISTOR
BASS CONTROL SERVO LOOP
MOTION
DETECTOR
WOOF
+
–
MID VDC
+
–
LO VDC
+
–
HI
VDC
TOROIDAL
POWER
TRANSFORMER
FUSE
Vref
ON
AUTO
STANDBY
+15VDC
SIGNAL
SENSE
MUTE
ON/OFF
CONTROL
MUTE
THERMAL
SWITCH
LOW
AC
VOLTS SENSE
POWER SWITCH
(FRONT
PANEL)
POWER
MODE
SWITCH
POWER RING
(POWER = WHITE
OVERLOAD =
RED)
HIGH = MUTE OFF
LOW = MUTE ON
MACKIE
HR824 MK2
BLOCK
DIAGRAM
(030207)
OUTER SPACE
The following are trademarks or registered
trademarks
of LOUD Technologies Inc.: The Mackie logo, HR
Series, Zero
Edge Baffle, and the Running Man.
THX and pm3 are trademarks of THX Ltd.
which may
be registered in some jurisdications. All rights
reserved.
Lucasfilm is a trademark of Lucasfilm Ltd.
This manual also
contains names and marks of other
companies which belong to those respective
companies,
and are hereby acknowledged.
HR824 MK2 design protected under
the following patent:
DES.
387,351
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©2007 LOUD
Technologies Inc. All Rights Reserved.
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