Technical Manual

708P
8” Bi-Amplified Master Reference Monitor
SYSTEM INTEGRATION 6
FEATURES 6
ORDER SPECIFICATIONS 6
• Integrated amplification and digital signal
processing (DSP) room EQ
• 7 Series studio monitors and the JBL M2 master
reference monitor can be combined to produce
multi-channel systems in any size room
• Compact enclosures and mounting hardware allow
versatile mounting options and unobstructed sight lines
BOX DIMS (L X W X H): 16 in x 13.5 in x 23.7 in
SHIPPING WEIGHT: 37 lbs
UPC CODE: 691991006333
• JBL 728G Low Frequency Transducer with Differential
Drive
®
delivers low distortion and high SPL
• JBL 2409H High Frequency Transducer
with low-mass annular diaphragm
• JBL patented Image Control Waveguide
• 2-channel 250W/LF, 250W/HF
Class-D amplifier with DSP
• 8 Room EQ and 6 User EQ filters
• 1 x XLR balanced analog audio input
• 1 x XLR AES3 digital input with
1 x XLR pass-through output
• Digital input will accept sample-rates of up to 192 kHz
• RJ-45 network connection for
Harman HiQnet connectivity
• Rear panel multi-function controls and LCD display
allow selection of Input Sensitivity, Input Trim,
Room EQ, User EQ, Room Delay, AV Sync Delay
• Integrated Handles
• Top and bottom mounting points; birch plywood
cabinets reinforced for safe mounting
• Protective steel grilles
www.jblpro.com
© 2017 HARMAN International Industries, Incorporated. All rights reserved.
JBL Professional 8500 Balboa Blvd. Northridge, CA 91329 USA
SPECIFICATIONS 6
LF DRIVER SIZE: 203mm (8”)
LF DRIVER TYPE: JBL728G
HF DRIVER SIZE: 25mm (1”)
HF DRIVER TYPE:
JBL 2409H Compression Driver
CROSSOVER: 1750 Hz
POWER CONFIGURATION: Bi-Amplified
HF DRIVER POWER AMP: 250W Class D
LF DRIVER POWER AMP: 250W Class D
FREQUENCY RESPONSE +/-3 dB: 41Hz-25kHz
LF FREQUENCY EXTENSION (-10dB): 35Hz
MAXIMUM CONTINUOUS SPL*: 108 dB
MAXIMUM PEAK SPL*: 114 dB
MAXIMUM PEAK INPUT LEVEL: +9 dBV / +23.3 dBu
ELECTRICAL DISTORTION CRITERIA: 0.1%THD @ 1kHz/2.83VRMS output;
<0.5% THD @ 1kHz, Full rated output
SIGNAL TO NOISE RATION, HF: 92dBA (A-Weighted), 83dBr (unweighted),
relative to 2.83VRMS output on HF
SIGNAL TO NOISE RATIO, LF: 85dBA (A-Weighted), 80dBr (unweighted),
relative to 2.83VRMS output on LF
ANALOG INPUT TYPE: 1 x XLR, Female Balanced
DIGITAL INPUT TYPE: 1 x XLR, Female Balanced
DIGITAL INPUT FORMAT: AES3
DIGITAL PASS THROUGH: 1 x XLR, Male
ACCEPTABLE DIGITAL AUDIO
SAMPLE RATES +/- 1%: 44.1 kHz, 48 kHz, 88.2 kHz,
176.4 kHz, 192 kHz
ROOM EQUALIZATION: 8 parametric filters
USER EQUALIZATION: 4 parametric filters, plus HF Shelf, LF Shelf
ROOM DELAY: 18ms
FRAME (A/V) DELAY: 150ms
A/D, D/A CONVERTER: 24 bit / 192 kHz A/D, 32 bit / 192 kHz D/A
INTERNAL PROCESSING: 32 bit Floating Point. 192 kHz Sample Rate
NETWORK INTERFACE: Harman HiQnet™ RJ45 Connector
AC INPUT VOLTAGE: 100-240VAC 50/60Hz +/-10%
ENCLOSURE TYPE: Ported with patented
JBL SlipStream™ port tube
CONSTRUCTION: 12 mm Birch Plywood
H x W x D mm (Inches): 441 x 250 x 312 (17.35 x 9.85 x 12.3)
WEIGHT: 11.5 kg (25.2 lbs)
SHIPPING CARTON (H x W x D): 565 x 359 x 419 mm (22.25 x 14.12 x 16.5 in.)
SHIPPING WEIGHT: 18.1 kg (39.92 lbs.)