Toa HNW-500 User manual

PROFESSIONAL SOUND SYSTEM
DIVIDING NETWORK Model HNW-500
HNW-800
FEATURES
1. The TOA HNW-500 and HNW-800 are designed for exclusive use with the standard speaker systems
for permanent installation.
The HNW-500 is intended for use with the standard speaker system (GS-3806W or GS-386W), and the
HNW-800 for use with the standard speaker system (GS-382S, GS-302W and GS-302S) respectively.
2. System selection circuit is provided to obtain the optimum crossover characterisics in the standard
speaker systems.
3. High frequency level control allows ± 2 dB from normal level in the high frequency.
4. Horn equalizer is provided to correct roll-off in the high frequency of the conpression driver with the
constant directivity horn.
5. Slope rate is - 12 dB per octave in the low frequency and - 18 dB per octave in the high frequency of the
HNW-500, and - 12 dB per octave in the high frequency of the HNW-800.
6. Easy to mount the enclosure.
SPECIFICATIONS
Power Handling
Continuous Pink Noise
Load Impedance
Crossover Frequency
Slope Rate
High Frequency Level Control
Applicable Speaker System
Weight
Finish
Accessories
HNW-500
500 Hz
Low Frequency : - 12 dB/oct
HighFrequency:-18dB/oct
HNW-800
800 Hz
Low Frequency : - 12 dB/oct
High Frequency : - 12 dB/oct
Three Steps (+2 dB, Normal, - 2 dB)
GS-3806W and GS-386W
1.7 kg (3.75 Ib.)
GS-382S, GS-302W and GS-302S
1.6kg (3.53 Ib.)
Black paint
High frequency connecting cord x 1, Instruction manual x 1
Specifications are subject to change without notice.

HNW-500
Systemselectionjumper
Systemselectionterminal
Inputterminal
Highfrequencylevelcontroljumper
Highfrequencylevelcontrolterminal
Highfrequencyoutputterminal:
Connectsthesolderlessterminalof
thehighfrequencyconnectingcord.
Lowfrequencyoutputcord
Highfrequencyconnectingcord
(suppliedwithunit)
Note: Highfrequencylevelcontroljumpersarefactory-presetto+2dB.
MOUNTINGUNITTOTHEENCLOSURE
Mountthedividingnetworkbeforemountingthewoofers.
WhenusingtheHNW-800inthestandardspeakersystem
(GS-382SorGS-302S),cutoffonepairedlowfrequency
outputcordcloseatthebase.
Mountingprocedure:
1)Loosensixscrewsandremovetherearterminalboardofthe
enclosure.
2)Insertunitintotheport,andfixitwiththeremovedscrews.
Takecarenottoholdtheconnectingcordbetweenthedividing
networkandtheenclosure.
Note:Takecaresounitmaynotcontactsound-absorbing
materialsintheenclosure.
PARTDESCRIPTION
FREQUENT RESPONSE
Systemselection: InstallbetweenterminalNos.3and4
Systemselection:Jumpernotinstalled
Frequency(Hz)
Frequency(Hz)
Systemselection: InstallbetweenterminalNos.3and4
Systemselection: Jumpernotinstalled
HNW-800
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When connecting the dividing network to the woofers, use the low frequency output cord of the dividing
network.
When connecting the dividing network to the compression driver, use the supplied high frequency
connecting cord.
Connect each polarity as shown below :
1) Low frequency : Red of the output cord to
2) High frequency :
HNW-500
Black of the output cord to
HNW-800
Standard Speaker
System Model No.
GS-3806W
GS-386W
Output Terminal No.
1 2
Standard Speaker
System Model No.
GS-382S
GS-302W
GS-302S
Output Terminal No.
1
2
SYSTEM SELECTION
CONNECTION
Connect the system selection jumper according to the standard speaker system to be used as shown
below : The optimum crossover characterisics in each speaker system is obtainable.
HNW-500
HNW-800
Standard Speaker
System Model No.
Jumper Connection
GS-3806W
GS-386W
Standard Speaker
System Model No.
GS-382S
GS-302W
GS-302S
Jumper Connection
HIGH FREQUENCY LEVEL CONTROL
High frequency level can vary in conjunction with the jumpers for the high frequency level control as shown
below : Flat frequency response is obtainable when the high frequency level control is set to Normal.
Note : The Jumpers are factory-preset to +2 dB.
Select the appropriate level according to conditions at installation locations.
Jumper
Connection
High Frequency Level
+2 dB Normal - 2 dB
Consider standard values because dB value is changed according to the frequencies.
When piling up the unused jumpers at the same terminal where installed the jumper to be used, they can
be utilized for future change of the speaker system or level change.
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DIMENSIONS (mm)