HT312B and HT315B Operating Manual
system specifications
Ht312B
Lower cut-off frequency, -3 dB
<35 Hz
Upper cut-off frequency, -3 dB
>22 kHz
Free field frequency response
37 Hz - 21 kHz (±2.5 dB)
of system
Maximum short term sine wave
@ 1 m >116 dB SPL
acoustic output on axis in half space,
averaged from 100 Hz to 3 kHz
Maximum long term RMS acoustic
@ 1 m >107 dB SPL
output in same conditions with IEC-
weighted noise (limited by driver unit
protection circuit)
Maximum peak acoustic output per
@ 2 m >123 dB
pair in half space with music material
Self generated noise level in free field
<15 dB (A weighted)
@ 2 m on axis
Harmonic distortion at 95 dB SPL at
freq. <100 Hz <1%
1 m on axis:
freq. >100 Hz <0.5%
Drivers
Bass
305 mm (12") cone
Midrange
130 mm (5") cone
Treble
25 mm (1") metal dome
All drivers are magnetically shielded
Weight
33 kg (73 lb)
Dimensions
Height
680 mm (26 3/4")
Width
400 mm (15 3/4")
Depth
380 mm (14 15/16")
cRossoveR section
Ht312B
Input connector XLR female
pin 1 gnd
pin 2 +
pin 3 -
Input impedance
10 kOhm
Input level for 100 dB SPL
variable from +6 to -6 dBu
output @1 m
Input level for maximum short term
variable from +22 to
output
+10 dBu for 116 dB SPL
@1 m
Subsonic filter
18 dB/octave
below 35 Hz
Ultrasonic filter
12 dB/octave above 25 kHz
Crossover frequency
Bass/Mid
420 Hz
Mid/Treble
3.2 kHz
Crossover acoustical slopes
18 - 24 dB/octave
Crossover level control operating
range in 1 dB steps
Bass
from 0 to -6 dB
Mid
from 0 to -6 dB
Treble
from 0 to -6 dB
Bass roll-off control in 2 dB steps
from 0 to -8 dB @35 Hz
Bass tilt control in 2 dB steps
from 0 to -8 dB @80 Hz
The 'CAL' position is with all tone controls set to 'off'
and input sensitivity control to maximum.
Genelec Document D0067R001a Copyright Genelec Oy 5.2008. All data subject to change without prior notice
amplifieR section
Ht315B
<33 Hz
Bass amplifier short term output
>20 kHz
power
35 Hz - 20 kHz (±2.5 dB)
Midrange amplifier short term output
power with an 8 Ohm load
@1 m >120 dB SPL
Treble amplifier short term output
power with an 8 Ohm load
@ 1 m >116 dB SPL
Slew rate
@ 2 m >124 dB
Amplifier system distortion at nominal
output
THD
SMPTE-IM
CCIF-IM
DIM 100
freq. 50...100 Hz <1%
freq. >100 Hz <0.5%
Signal to Noise ratio, referred to full
output
Bass
385 mm (15") cone
Midrange
130 mm (5") cone
Treble
25 mm (1") metal dome
Mains voltage
52 kg (114 lb)
Voltage operating range
810 mm (31 7/8")
Power consumption
480 mm (18 7/8")
Idle
420 mm (16 9/16")
Full output
Weight
Dimensions
Height
Width
Depth
*Note that the cable connectors require additional >100 mm (4") space behind the amplifier
Ht315B
variable from +26 to
+14 dBu for 120 dB SPL
@1 m
18 dB/octave
below 33 Hz
410 Hz
3 kHz
24 - 32 dB/octave
from 0 to -8 dB @33 Hz
International enquiries:
In the U.S. please contact:
Genelec, Olvitie 5
Genelec, Inc., 7 Tech Circle
FIN-74100, Iisalmi, Finland
Natick, MA 01760, USA
Phone +358 17 83881
Phone +1 508 652 0900
Fax +358 17 812 267
Fax +1 508 652 0909
Email genelec@genelec.com
Email genelec.usa@genelec.com
Ram4 (Ht312B)
180 W (4 Ohm load)
120 W
120 W
Long term output power is limited by driver unit protec-
tion circuitry.
80 V/µs
<0.05 %
<0.05 %
<0.05 %
<0.05 %
>100 dB
>100 dB
>100 dB
100/200V or 115/230V
selectable
nominal ±10%
50 W
300 W
12,3 kg (27 lb)
133 mm (5 1/4") (3 U)
483 mm (19")
350 mm (13 4/5")*
EC Declaration of Conformity
This is to certify that the Genelec HT312B and HT315B Active
3-Way Speakers conform to the following standards:
Safety:
EN / IEC 60065:1998 6th Edition
EMC:
EN 55020 : 2002 + A1 : 2003
EN 55013: (2001)
EN 61000-3-2 (2000)
EN 61000-3-3 (1995)
The product herewith complies with the requirements of The
Low Voltage Directive 73/23/EEC, EMC Directive 89/336/
EEC and 93/68/EEC
Signed:
Ilpo Martikainen
Position:
Chairman of the Board
Date:
12-May-2008
In China please contact:
Beijing Genelec Audio Co. Ltd.
Jianwai SOHO, Tower 12, Room 2306
39 East 3rd Ring Road
Chaoyang District
Beijing 100022, China
Phone +86 0 5869 7915, Fax +86 10 5869 7914
Ram5 (Ht315B)
400 W (8 Ohm load)
100, 120, 220 or 230 V
fixed according to region
60 W
500 W
15 kg (33 lb)
www.genelec.com
In Sweden please contact
Genelec Sverige
Ellipsvägen 10B
P.O. Box 5521, S-141 05 Huddinge
Phone +46 8 449 5220
Fax +46 8 708 7071
Email info@genelec.com
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