Reference Monitors
- Blow 5
- Blow5D
- Blow 5# [sharp]
- Blow 4
- Blow4D
- Blow4# [sharp]
 
FireWire Audio Interfaces
- DeuX
- Windy6
 
USB Audio Interfaces
- UAX2
- Amon
 
PCI Audio Interfaces
- Quartet
 
Controllers
- M49 USB Midi Controller
 
Microphones
- UFO
- UFO# [sharp]
 

 
 
Welcome to INFRASONIC website.
BLOW4D Studio Monitor
Products > Reference Monitors > Blow4D

Uncolored Frequency Reproduction. Digital and Analog Input.
Adjustments for Room Acoustics. 55-Watts of Mind Blowing Audio.

Available from
Infrasonic Dealers

BLOW4D is a 55-Watt, powered near-field studio monitor speaker. BLOW4D features a two-way, bi-amplifier design to achieve high quality sound. Frequency response is broadened downward by a bass reflex system, and broadened upward by a natural silk dome tweeter for delicate signal reproduction. Enclosure design contributes to the broad frequency response.

BLOW4D is equipped with a DA-912 digital interface module, enabling BLOW4D to be connected to various digital inputs such as AEU/EBU(XLR), S/PDIF(RCA) and an RCA thru connector. The D/A converter in DA-912 supports up to an amazing 24-bit/192kHz sample format with 123dB dynamic range.

From the commercial studio to the home studio, BLOW4D is one of the premier solutions for near field studio monitoring. Use the controls on the back panel of the BLOW4D to your control room acoustics. With output this accurate, you'll hear what you've been missing.

Features

Units per Package

  • One pair (two speakrs)

BLOW4

  • 2-way bass-reflex bi-amplified 4 inch near field studio monitor
  • Flat frequency response (짹1.5 dB, 73 Hz to 20 kHz) and wide pass-band
    frequency (62Hz ~ 22kHz)
  • 55 watt (25 watt HF and 30 watt LF) power amplifiers with servo-loop and
    perfect protections.
  • 0.75" natural silk dome High frequency transducer
  • 4" Polymer coated paper fiber cone low frequency transducer
  • Full magnetic shielded enclosure and independent amplifier room
  • XLR and 1/4"TRS phone jack balanced/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
    DA-912 (included in BLOW4D)
  • 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

DA-912 Digital Interface Module

  • 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
  • XLR/RCA source and Left/Right channel selection switch
Images

Blow 4 Studio Monitors

Blow4

Blow4

 

Specifications

System / Enclosure

  • Two-way, bi-amplified reference monitor (bass-reflex type)
  • Free field frequency Response: 73Hz ~ 20kHz (+/- 1.5 dB)
  • Free field cutoff response 62Hz ~ 22kHz (+/- 3.0dB)
  • Measured Maximum Continuous: 101dB SPL / 1m
  • Harmonic distortion at 90 dB SPL @ 1 m on axis: 0.5% under
  • Low frequency driver:
    - Diaphragm Type: Polymer coated paper fiber cone type
    - Diameter: 4" (101 mm)
    - Voice Coil: 1.0" (25 mm)
    - Magnet Type: Ferrite magnet with magnetically shielded
    - Impedance: 6 ohms
  • High Frequency Driver
    - Diaphragm Type: Natural Silk Dome with Waveguide.
    - Diameter: 0.75" (19mm) diaphragm
    - Magnet Type: Ferrite magnet with 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

DA-912 Digital Interface Module

  • 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 interface : Input source selector (AES/EBU/Coaxial), Channel selection (Left/Right),
    Status indicator LED

INFRASONIC, WINDY6, BLOW5, BLOW5D, BLOW4, BLOW4D, INFRASONIC DeuX, INFRASONIC AMON, INFRASONIC Quartet, JamMate and SIMS Audio are trademarks of SIMS Corporation. All other trademarks remain the property of their respective owners.

 
 

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