Signed Brüel & Kjaer, made in Denmark, combines both the Impulse Precision Sound Level Meter type 2204 (top unit) and the Octave Filter Set type 1613. Original tags, serial 35536. High quality sound equipment from the 1960's, still used as a microphone, meter and filter box by sound professionals. All parts are original, clean, easy to disassemble, light wear only. Lot is sold as is and may require repairs and calibration to be fully functional. From the estate of a private collector in Montreal (Quebec, Canada). Includes all the following Brüel & Kjaer accessories and adapters:

• Octave filter connector bar JP 0400 (connects both units)
• 10 feet (3 meters) microphone extension cable AO 0027 (7 pin)
• Input stage model ZC 007
• 8 1/2" long flexible extension rod model UA 0196 for 1/2" microphones
• Microphone adapter model JJ 2614
• 1" - 1/2" microphone adaptor 08 0375
• 1" Condenser microphone cartridge
• 1" Microphone nose cone UA 0387
• 1/2" Microphone nose cone UA 0386
• 1" Microphone adapter
• 1" Microphone protector UA 0135 max 135° Celcius
• 4 1/2" diameter wind screen model UA 0237 for 1/2" and 1" microphones
• 10 double sided A & B new old dials (scales 1, 2, 3, 4, 5, 6, 8, 9 and 10)
• Original B&K screwdriver
• Original and sturdy leather shoulder strap to carry the meter and filter unit
• Clean battery compartment
• Works with 3X standard D batteries (not included)
• Model numbers above may vary depending on instructions manual year