■ Dr. Jordan Design
Quick Selection

Direct Selection for Common Measurement Tasks

Quick overview for common tasks: Calibration, acoustic instrument rental, and direct purchase from Dresden stock.

Factory Calibrations & Equipment Monitoring

Traceable calibrations in our lab on the Audio Precision APx555 and Spektra SQ-4.2 pressure chamber.

Acoustic Equipment Rental (with 100% Purchase Credit)

Weekly rental of lab-tested measuring instruments and sound sources from Dresden.

Weekly Rental · 100% Rent-to-Own Credit

Rent a Sound Level Calibrator (Class 1 & Class 2)

Freshly verified 1/2-inch sound level calibrators (94 dB / 114 dB @ 1,000 Hz) for weekly rental—with 100% credit of the first week's rental fee toward purchase.

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Weekly Rental · Bedrock SM50, NTi XL2 & AL1

Rent STIPA Meter (NTi XL2, NTi AL1, Bedrock SM50, TalkBox & Calibrator)

Complete STIPA analyzers per IEC 60268-16 for weekly rental: Choose between NTi Audio XL2, the compact NTi AL1, or the Bedrock SM50 (with 100% purchase credit)—plus TalkBox and sound calibrator.

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ISO 3382 · ISO 16283 Omnidirectional Source

Rent or Buy a Dodecahedron Loudspeaker

Standard-compliant 360° omnidirectional sound sources for room acoustics (RT60 per ISO 3382) and building acoustics (airborne sound insulation per ISO 16283).

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Impact Sound · ISO 16283-2 / ISO 140

Rent or Buy a Standard Tapping Machine (ISO 16283-2)

Precision standard tapping machines (5 hammers at 500 g, 10 impacts/s) for impact sound insulation testing on floors and stairs per ISO 16283-2.

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Weekly Rental · NTi XL2, NTi AL1, TalkBox & Calibrator

Rent NTi Audio XL2 & AL1 (incl. STIPA TalkBox & Calibrator)

Rent the NTi Audio XL2 (Class 2 or Class 1 incl. calibrator) or the compact NTi AL1 for speech intelligibility (STIPA per IEC 60268-16), room acoustics, and sound level measurements—plus matching TalkBox and sound calibrator.

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Analyzers, Microphones & Calibrators for Purchase

Sound calibrators, measurement microphones, tapping machines, and accessories from stock.

Buy or Rent-to-Own · IEC 60942

Buy or Rent a Sound Level Calibrator (AZ8930 & Center 326)

Choose between the budget AZ8930 calibrator (incl. lab calibration certificate), the actively regulated Class 2 Center 326 (280+ sold)—or test the Center 326 first via weekly rental with 100% purchase credit.

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IEC 60268-16 · Voice Alarm Testing

Buy STIPA Speech Intelligibility Meter – All-Inclusive

Turnkey handheld analyzers (Bedrock SM50 & Class 1 SM90) for speech intelligibility (STIPA) on voice alarm systems (PAVA)—all measurement modules unlocked out of the box.

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DIN 18041:2016 · ISO 3382 RT60

Buy or Rent RT60 Reverberation Time Measurement System

Complete system for measuring reverberation time (RT60: EDT, T20, T30) per DIN 18041 and ISO 3382—using a 2.5 kg chirp speaker instead of a heavy 15 kg dodecahedron.

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120+ Sold · Individually Calibrated on APx555

Buy Individually Calibrated Behringer ECM8000 (incl. .cal File)

Brand-new Behringer ECM8000 measurement microphone, simultaneously calibrated against a G.R.A.S. 40AE Class 1 reference—including custom .cal/.txt file and PDF test report.

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Buy or Weekly Rental · UMIK-1 & UMIK-2

Buy or Rent miniDSP UMIK-1 & UMIK-2 (REW & Akulap)

Looking to tune your home theater, studio, or room and not sure whether to buy? We offer both the UMIK-1 and the 1/2-inch UMIK-2 for direct purchase—or for weekly rental.

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550+ Sold · CNC Precision Adapters

Buy Sound Calibrator Adapters (MM1, 1/4", Bedrock, NTi, UMIK)

Precision-machined adapters to fit non-standard measurement microphones (1/4", Beyerdynamic MM1, Bedrock SM50, NTi M4260, Audix TM1) snugly into standard 1/2-inch sound calibrators.

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IEC 61672-1 · Class 1 & Class 2

Buy or Rent a Sound Level Meter (Class 1 & Class 2)

Standard-compliant handheld sound level meters and PC systems per IEC 61672 featuring integrating LAeq, LCPeak, and data logging for occupational safety and environmental reports.

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DIN 45680 · Low-Frequency & Environmental Noise

Measure Low-Frequency Hum & Noise (Rent, Buy & On-Site Service)

Heat pumps, HVAC systems, transformers, or unknown low-frequency hum: Standard-compliant measurement and long-term monitoring per DIN 45680.

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