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
Genelec Document D0067R001a Copyright Genelec Oy 5.2008. All data subject to change without prior notice
www.genelec.com
International enquiries:
Genelec, Olvitie 5
FIN-74100, Iisalmi, Finland
Phone +358 17 83881
Fax +358 17 812 267
Email [email protected]
In the U.S. please contact:
Genelec, Inc., 7 Tech Circle
Natick, MA 01760, USA
Phone +1 508 652 0900
Fax +1 508 652 0909
Email [email protected]
system specifications
Ht312B
Ht315B
Lower cut-off frequency, -3 dB
Upper cut-off frequency, -3 dB
Free field frequency response
of system
<35 Hz
>22 kHz
37 Hz - 21 kHz (±2.5 dB)
<33 Hz
>20 kHz
35 Hz - 20 kHz (±2.5 dB)
Maximum short term sine wave
acoustic output on axis in half space,
averaged from 100 Hz to 3 kHz
@ 1 m >116 dB SPL
@1 m >120 dB SPL
Maximum long term RMS acoustic
output in same conditions with IEC-
weighted noise (limited by driver unit
protection circuit)
@ 1 m >107 dB SPL
@ 1 m >116 dB SPL
Maximum peak acoustic output per
pair in half space with music material
@ 2 m >123 dB
@ 2 m >124 dB
Self generated noise level in free field
@ 2 m on axis
<15 dB (A weighted)
Harmonic distortion at 95 dB SPL at
1 m on axis:
freq. <100 Hz <1%
freq. >100 Hz <0.5%
freq. 50...100 Hz <1%
freq. >100 Hz <0.5%
Drivers
Bass
Midrange
Treble
All drivers are magnetically shielded
305 mm (12") cone
130 mm (5") cone
25 mm (1") metal dome
385 mm (15") cone
130 mm (5") cone
25 mm (1") metal dome
Weight
33 kg (73 lb)
52 kg (114 lb)
Dimensions
Height
Width
Depth
680 mm (26 3/4")
400 mm (15 3/4")
380 mm (14 15/16")
810 mm (31 7/8")
480 mm (18 7/8")
420 mm (16 9/16")
Ht312B
Ht315B
Input connector XLR female
pin 1 gnd
pin 2 +
pin 3 -
Input impedance
10 kOhm
Input level for 100 dB SPL
output @1 m
variable from +6 to -6 dBu
Input level for maximum short term
output
variable from +22 to
+10 dBu for 116 dB SPL
@1 m
variable from +26 to
+14 dBu for 120 dB SPL
@1 m
Subsonic filter
18 dB/octave
below 35 Hz
18 dB/octave
below 33 Hz
Ultrasonic filter
12 dB/octave above 25 kHz
Crossover frequency
Bass/Mid
Mid/Treble
420 Hz
3.2 kHz
410 Hz
3 kHz
Crossover acoustical slopes
18 - 24 dB/octave
24 - 32 dB/octave
Crossover level control operating
range in 1 dB steps
Bass
Mid
Treble
from 0 to -6 dB
from 0 to -6 dB
from 0 to -6 dB
Bass roll-off control in 2 dB steps
from 0 to -8 dB @35 Hz
from 0 to -8 dB @33 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.
Ram4 (Ht312B)
Ram5 (Ht315B)
Bass amplifier short term output
power
180 W (4 Ohm load)
400 W (8 Ohm load)
Midrange amplifier short term output
power with an 8 Ohm load
120 W
Treble amplifier short term output
power with an 8 Ohm load
120 W
Long term output power is limited by driver unit protec-
tion circuitry.
Slew rate
80 V/µs
Amplifier system distortion at nominal
output
THD
SMPTE-IM
CCIF-IM
DIM 100
<0.05 %
<0.05 %
<0.05 %
<0.05 %
Signal to Noise ratio, referred to full
output
Bass
Midrange
Treble
>100 dB
>100 dB
>100 dB
Mains voltage
100/200V or 115/230V
selectable
100, 120, 220 or 230 V
fixed according to region
Voltage operating range
nominal ±10%
Power consumption
Idle
Full output
50 W
300 W
60 W
500 W
Weight
12,3 kg (27 lb)
15 kg (33 lb)
Dimensions
Height
Width
Depth
133 mm (5 1/4") (3 U)
483 mm (19")
350 mm (13 4/5")*
*Note that the cable connectors require additional >100 mm (4") space behind the amplifier
amplifieR section
cRossoveR section
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 [email protected]
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
HT312B and HT315B Operating Manual
