Infinity IRS specifications

Category : Speakers

Brand : Infinity

General

Tech nical data

Special equipment

Successor: IRS V

• Manufacturer: Infinity
• Model: IRS
• Years of construction: 1980-1987
• Made in: USA
• Color: Rosewood< /li>
• Dimensions: Bass columns: 457 x 2290 x 457 mm, midrange high-frequency panels: 1000 x 2290 x 250 mm (W x H x D)
• Weight: 544 kg
• Original price approx.: 175.000,- DM (incl. Installation and setup by Infinity )

• Type of construction: 3-way, bass columns closed, mid-high tone panels dipole, partially active
• Chassis:
  • Low tone: 6x 30 cm Polypropylene
  • Mid tone: 12x magnetostat (EMIM)
  • High tone: 36x magnetostat (EMIT ), of which 12 Pieces on the back
• Load capacity (nominal/music b.): Recommended power 100-300 watts, power built-in amplifiers of the bass columns: 1,500 watts
• Efficiency:
• Frequency response: 16 - 40,000 Hz ± 2 dB
• Transition ranges: 70-120 Hz (Variable)/5,000
• Impedance: 4 ohms

• Low frequency: 6x 30 cm polypropylene
• Midrange: 12x magnetostat (EMIM)
• High frequency: 36x magnetostat (EMIT ), of which 12 pieces on the back

• active bass columns with separate active crossover
• midrange high frequency panels Hollow and filled with sand.

• Original ly, the IRS was only intended as an internal reference at Infinity .
• But there were so many questions about it that Infinity decided to sell the IRS to people with the appropriate money.
• The IRS was the most expensive speaker system in the world when it appeared.

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