Infrasonic BLOW4D User Manual

Bi-amplified studio monitor infrasonic blow series

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User's Manual
English
BI-AMPLIFIED
STUDIO MONITOR
INFRASONIC BLOW SERIES
Premium Digital Module BLOW4D

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Summary of Contents for Infrasonic BLOW4D

  • Page 1 User’s Manual English BI-AMPLIFIED STUDIO MONITOR INFRASONIC BLOW SERIES Premium Digital Module BLOW4D...
  • Page 2: Important Safety Instructions

    Never use with a cart, stand, tripod, bracket, or table except as specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over. BLOW4/BLOW4D User’s Manual...
  • Page 3: Table Of Contents

    3.2. Adapting the BLOW4 to the room acoustics ..............9 4. CONNECTION ........................11 4.1. Powering Up ........................11 4.2. Analog Audio Input ......................11 4.3. Digital Audio Input (included in BLOW4D) ..............12 5. SPECIFICATIONS ......................13 5.1. BLOW4 ..........................13 5.2. DA-912 ..........................14 6.
  • Page 4: Main Features

    XLR for AES/EBU (IEC60958) and RCA for S/PDIF coaxial digital inputs RCA thru out port for stereo connection IEC60958 EIAJ CP1201 compatible 24-bit digital input with up to 192kHz sample-rate High-end 24-bit/192kHz D/A converter with 123dB dynamic range XLR/RCA source and Left/Right channel selection switch BLOW4/BLOW4D User’s Manual...
  • Page 5: Panel Descriptions

    (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 BLOW4/BLOW4D User’s Manual...
  • Page 6: Rear View

    +22dBu at control min and -9dBu at control max. system. There are 3 selections; Flat, 80Hz and 100Hz. Marking positions are -7.8dBu and +4dBu. You should refer to the manual for sound source connecting to the input of BLOW5. BLOW4/BLOW4D User’s Manual...
  • Page 7: Da-912 (Included In Blow4D)

    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 BLOW4/BLOW4D User’s Manual...
  • Page 8: Installation

    Refer to the following diagram. < Positioning > The height of the units - The top of the woofer should come up inline with your ears, your listening environment. (Refer to the following diagram.) < Height of unit > BLOW4/BLOW4D User’s Manual...
  • Page 9: Adapting The Blow4 To The Room Acoustics

    10 kHz. You can use this switch to adjust brightness of your speakers. It depends on room conditions and the distance of speakers from the user. The following graph shows how the treble tilt affects the response of speakers. BLOW4/BLOW4D User’s Manual...
  • Page 10 You can mix how a sub and BLOW4 harmonize using the Cut-off Low Frequency Control. Flat, -80Hz and -100Hz are the selections. The graph shows how the Cut-off Low Frequency Control affects the bass response of the speakers. BLOW4/BLOW4D User’s Manual...
  • Page 11: Connection

    Input Select Switch should be set to analog input. Refer to the following diagram. XLR balanced cable < Connecting of Analog XLR balanced cable > TRS balanced cable TRS unbalanced cable < Connecting of TRS Analog balanced/unbalanced cable > BLOW4/BLOW4D User’s Manual...
  • Page 12: Digital Audio Input (Included In Blow4D)

    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. <Current unit> <Another unit> < Connecting of Digital AES/EBU and S/PDIF cable > BLOW4/BLOW4D User’s Manual...
  • Page 13: Specifications

    +22dBu at control min -9dBu at control max Connector: XLR input, 1/4" TRS Balanced input (impedance 20kOhm) Crossover: 3.5 kHz, 30dB/otc 4 order active filter High frequency tilt control : -2dB / Flat / +2dB (@ 10kHz) BLOW4/BLOW4D User’s Manual...
  • Page 14: Da-912

    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 interface : Input source selector (AES/EBU/Coaxial), Channel selection (Left/Right), Status indicator LED BLOW4/BLOW4D User’s Manual...
  • Page 15: End Users Warranty

    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.
  • Page 16 BLOW4/BLOW4D User’s Manual...

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