FreeSpace IZA 190-HZ integrated zone amplifier

   แอมป์โซนแบบผสมในตัวรุ่น FreeSpace IZA 250-LZ และ IZA 190-HZ จาก Bose Professional ถูกออกแบบมาเพื่อให้คุณภาพเสียงระดับพรีเมียม พร้อมการติดตั้งที่ง่ายดายและการใช้งานประจำวันที่สะดวก   ทั้งสองรุ่นยังรองรับการ ขยายระบบเพิ่มเติม ได้อย่างยืดหยุ่นเมื่อต้องการเพิ่มจำนวนลำโพงในอนาคตโดยเฉพาะเมื่อใช้งานร่วมกับลำโพง FreeSpace FS2 หรือ FS4 จะสามารถ ปรับจูนเสียงให้เหมาะสมยิ่งขึ้น ผ่าน EQ Preset ที่เลือกได้ภายในตัวเครื่อง

 

FEATURES

• Amplification for premium sound from a reliable, high quality Class-D amplifier provides optimized performance and premium sound quality through the use of internal digital signal processing
• Installation made simple with set up done locally from the front and rear panels of the amplifier—no computer is required
• Opti-Voice paging provides smooth automatic transition between the music and page signals
• End-user friendly front panel allows users to connect devices easily, make tonal adjustments or select between two sources. Optional wall mountable Bose Professional Volume control with A/B switch user interface allows volume and source selection controls to be placed away from the amplifier for user convenience
• Compact, lightweight design enables the FreeSpace integrated zone amplifier to be placed out of the way—on a table, desk, counter, shelf or in an equipment rack using the optional Rack Mount Kit accessory

SPECS

Technical Specification
        AMPLIFICATION

Channel Separation (Crosstalk) ≤ -60 dBV below rated power, 1 kHz	Dynamic Range 88 dB
Frequency Response 60 Hz – 20 kHz (+0 dB/-3 dB) at 1 W, 1 kHz reference	Number of Channels 2
Power Class Class D	Rated Power, Symmetrical 90 W at 70V, 100V
THD+N ≤ 1% at full rated power

 

AUDIO INPUTS, ANALOG
 

Adjustment Range -20 dB to +20 dB, line / 0 dB to +50 dB, mic/line / 0 dB to +50 dB, page / fixed, auxiliary	Input Channels 2 unbalanced, line + 1 balanced, mic/line + 1 balanced, mic (page) + 1 unbalanced, line (auxiliary)
Connectors (1) RCA stereo pair, (1) XLR-1/4-in combo, (1) 4-pin Euroblock, (1) 1/8-in (3.5 mm) TRS	Input Impedance 20 kΩ, line / 2 kΩ, mic/line / 2 kΩ, page / 20 kΩ, auxiliary
Input Range -10 dBV to +10 dBV, line / -60 dBV to +10 dBV, mic/line / -60 dBV to +10 dBV, page / 0 dBV to +10 dBV, auxiliary	Maximum Input Level +10 dBV
Nominal Input Level 0 dBV, line / -40 dBV, mic/line / -40 dBV, page / 0 dBV, auxiliar	Sensitivity 0 dBV, auxiliary / N/A, line, mic/line, page

 

AUDIO OUTPUTS, ANALOG

Channels 1	Connectors (1) 3-pin inverted Euroblock, (1) RCA stereo pair
Output Impedance N/A (amplifier) / 400 Ω (auxiliary)

 

ELECTRICAL

Current Draw, Inrush 7.6 A at 120 VAC, 60 Hz / 13.9 A at 230 VAC, 50 Hz	Mains Connector IEC C14 inlet
Mains Voltage 100–240 VAC (±10%), 50/60 Hz	Protections High temperature, short circuit
AC Power Consumption 15 W idle, 200 W maximum

 

INDICATORS AND CONTROLS

Controls, Front Panel (1) power switch, (1) input selection switch, (1) treble knob, (1) bass knob, (1) mic/line gain knob, (1) master level knob	Controls, Rear Panel Amplifier Mode DIP switch, Loudspeaker EQ preset selector, Input Gain (A/B/Page mic), Output trim
LED Status Indicators (1) power LED, (1) input clip LED

 

INTEGRATED DSP

A/D and D/A Converters 48 kHz / 24-bit	Audio Latency 10.4 ms (analog input to analog output)
Presets Flat, Bose Professional loudspeaker presets (FreeSpace FS2C/FS2P/FS2SE/FS4CE/FS4SE)	Processing Functions Loudspeaker EQ, Opti-Voice EQ (paging), Dynamic EQ (low-end compensation)

 

PHYSICAL

Cooling System Natural convection	Product Dimensions (H×W×D) 1.8 in × 8.4 in × 12.2 in (45 mm × 214 mm × 310 mm)
Net Weight 7.0 lb (3.2 kg)	Rack Spaces 1 RU high, half rack wide