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BLOW4/BLOW4D User’s Manual

 

 

15

 

6. END USERS WARRANTY 

 

Trademarks 
 

INFRASONIC, BLOW4 and BLOW4D are registered trademarks of SIMS Corp. 

 
End User Warranty

 

SIMS Corp. warrants this product, under normal use, to be free of defects in materials and workmanship for a 
period  of  One  (1)  year  from  date  of  purchase,  so  long  as: the product is owned by the original purchaser, with 
proof of purchase from an authorized SIMS Corp. dealer. This warranty explicitly excludes power supplies and 
included cables, which may become defective as a result of normal wear and tear. 
 
In the event that SIMS Corp. receives, from an original purchaser, and within the warranty coverage period. 
Written notice of defects in materials or workmanship, SIMS Corp. will either replace the product, repair the 
product, or refund the purchase at its option. To obtain warranty service, the original purchaser or the authorized 
dealer must fill the support contact form at www.Infra-sonic.com. In the event repair is required, shipment to and 
from SIMS Corp. and possible handling charges shall be borne by the purchaser. SIMS Corp. will not accept returns 
without prepaid shipments. In the event that repair is required, a Return Authorization Number must be obtained 
from SIMS Corp. After this number is obtained, the unit should be shipped back to SIMS Corp. in a protective 
package with a description of the problem and the Return Authorization Number clearly written on the package. All 
such returns must be shipped to SIMS Corp. headquarters in Seoul, Korea. 
 
In the event that SIMS Corp. determines that the product requires repair because of user misuse or regular wear, 
it will assess a fair repair or replacement fee. The customer will have the option to pay this fee and have the unit 
repaired and returned, or not pay this fee and have the unit returned and un-repaired.     
 
A breach of this warranty shall not include any other damages. SIMS Corp. will not be liable for consequential, 
special, indirect, or similar damages or claims including loss of profit or any other commercial damage, even if its 
agents have been advised of the possibility of such damages, and in no event will SIMS Corp.’ accept liability for 
any damages to the purchaser or any other personal claims exceeding the price paid for the product, regardless of 
any claim. SIMS Corp. specifically disclaims all other warranties, expressed or implied. 
 

The FCC and CE Regulation Warning 

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this 
device may not cause harmful interference, and (2) this device must accept any interference received, including 
interference that may cause undesired operation.   

Caution

: Any changes or modifications in construction of this device, which are not expressly approved by the 

party responsible for compliance, will void the user's warranty.   

NOTE

: This equipment has been tested and found to comply with the limits of a Class ‘A’ digital device, pursuant 

to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful 
interference when the equipment is operated in a commercial environment. This equipment generates, uses, and 
can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may 
cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to 
cause harmful interference. In that case the user will be required to correct the interference at their own expense. 
If necessary, consult an experienced radio/television technician for additional suggestions. 
 

 

 
 
Correspondence 

For technical support inquiries, contact the nearest dealer, local SIMS Corp. distributor or SIMS Corp. directly at: 

 

SIMS Corp. 

 

424 

Cheongcheon-Dong, Bupyong-Gu, Incheon, Korea 

 

www.infra-sonic.com

 

 

www.simsaudio.com

 

 
 

Summary of Contents for BLOW4

Page 1: ...BI AMPLIFIED STUDIO MONITOR INFRASONIC BLOW SERIES Premium Digital Module BLOW4D User s Manual English ...

Page 2: ...g amplifiers that produce heat 8 The device should be installed so that its location or position does not interfere with its proper ventilation For example it should not be situated on a bed sofa rug or similar surface that may block the ventilation openings or placed in a built in installation such as a bookcase or cabinet that may impede the flow of air through its ventilation openings and aroun...

Page 3: ...ure The analog input connector provides for an XLR balanced input and a TRS 1 4 phone jack balanced or unbalanced input BLOW4 also has its optional DA 912 digital input connector This connection provides the AES EBU XLR input S PDIF RCA input and RCA thru output It supports a 192 kHz sample rate at a 24 bit resolution as well as a high end D A converter with 123 dB dynamic range You can also adapt...

Page 4: ...ced unbalanced inputs EASC Enhanced Acoustic System Compensation Technology Input sensitivity control High frequency 3 step tilt controls switch Acoustic space control switch Bass cut off frequency control switch 4th order active crossover network Front Illuminant Logo lamp and protection indicator High strength cabinet constructed MDF composite with radius edges 1 2 DA 912 INCLUDED IN BLOW4D XLR ...

Page 5: ... dome High Frequency Transducer 2 4 Polymer coated paper fiber cone low frequency Transducer 3 Front Illuminant Logo Lamp and Protection Indicator The white Lamp means that the unit is on normal operation mode The red Indicator stands for the protection mode 4 Slotted Bass reflex Port ...

Page 6: ...ncy for a subwoofer system There are 3 selections Flat 80Hz and 100Hz 1 Power On Off Switch and AC Inlet Use to power on or off the unit 2 Analog Inputs XLR input and 1 4 TRS Balanced input Connector Impedance 20kΩ BLOW4 accepts balanced and unbalanced connections 3 Input Source Select Switch You can select digital or analog input source 4 Input Sensitivity Control Use the Sensitivity Control to s...

Page 7: ...te DO NOT try to use Coaxial input for analog audio signals 3 Source Select Control Switch You can select the type of input between AES EBU XLR and S PDIF Coaxial 4 Digital Thru out Connector Connect from the one speaker unit to the other through a RCA cable 5 Channel Select Control Switch You can select the playback channel according to the position of each unit in stereo 6 Status indicator LED 1...

Page 8: ... Be careful to handle it Positioning monitor speakers correctly in the control room is very important to their performance In order to monitor with your speaker units at their maximum capability appropriate listening environment and correct placement are required Please see our suggestions Two speaker units and the listener should align to form a regular triangle Refer to the following diagram The...

Page 9: ... metal PLACE THOSE MATERIALS AWAY FROM THE SONIC PATH OF THE SPEAKERS Input Sensitivity Control There are many types of devices to connect to the BLOW4 The unit can be set to correspond with the varying impedances of third party devices You can set the sensitivity to match with various kinds of input sources A visible scale dB mark on the sensitivity control assists users in the correct setting Fo...

Page 10: ...l in 3 steps of 2dB below 500 Hz The following graph shows how Room Compensation Control affects the response of the speakers Example of the room acoustics Cut off Low Frequency Control You can use this switch to adjust the bass roll off in a multi channel surround system or to balance your room resonance A subwoofer makes a deep low frequency sound You can mix how a sub and BLOW4 harmonize using ...

Page 11: ...the rear panel Turn on the power to the BLOW4 The unit is equipped with a protection circuit an interval of a few seconds is required before the unit will operate normally 4 2 ANALOG AUDIO INPUT Connect the male side of an XLR balanced cable to the XLR input or TRS balanced or unbalanced cable to the TRS input of the rear panel Input Select Switch should be set to analog input Refer to the followi...

Page 12: ...nput of the rear panel Connect THRU to the RCA coaxial input of the other unit with RCA cable Select the channel of each unit s panel Input Select Switch should be selected on digital input Select the source of digital input according to the type of digital input Refer to the following diagram Another unit Current unit Connecting of Digital AES EBU and S PDIF cable ...

Page 13: ...magnetically shielded Impedance 8 ohms Low Frequency Vent Type Front ported Slotted aperture Internal cabinet volume 3 7 liters Enclosure Construction 13mm Vinyl laminated M D F Dimensions 154 mmW x 254 mmH x 217 mmD Weight 6 25 kg Amplifier Crossover Power amplifier topology Class A B Power amplifier with Servo loop DC Over load and Over Temperature protection Supply monitoring protection with Mu...

Page 14: ...IEC power INLET 5 2 DA 912 Connector XLR input AES EBU IEC60958 RCA input S PDIF EIAJ CP1201 RCA thru output Sample Rates 192kHz 176 4kHz 96k Hz 88 2 kHz 48 kHz 44 1 kHz 32 kHz Tolerance 3 Word Length 16 24 Bit Digital Analog Converter 24 bit 192kHz Multi bit delta sigma with 8xdigital filter Total Harmonic distortion Noise 0 0005 1kHz 3dBFS Dynamic range 123dB A weighted 1kHz 60dBFS User interfac...

Page 15: ...and un repaired A breach of this warranty shall not include any other damages SIMS Corp will not be liable for consequential special indirect or similar damages or claims including loss of profit or any other commercial damage even if its agents have been advised of the possibility of such damages and in no event will SIMS Corp accept liability for any damages to the purchaser or any other persona...

Page 16: ...BLOW4 BLOW4D User s Manual 16 ...

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