✦Wired Microphones

PR 77D

Manufacturer
Heil Sound
Model
PR 77D
Code
GW-TIVBSR
Data status
Level 1 / 5
AI-parsed

❋ Specs

9
Element Type
element_type
Dynamic
1
Polar pattern
polar_pattern
Cardioid
1
Frequency range
frequency_range_hz
60 - 16000Hz
1
Impedance
impedance_ohm
600Ω
1
Sensitivity
sensitivity_db
-53.9dB @ 1 kHz
1
Max SPL
max_spl_db
148dB
1
Rear Rejection Db
rear_rejection_db
-40dB @ 180°
1
Weight
weight_kg
0.695kg
1
Output connectors
output_connectors
XLR (3-pin)
1

Every field carries its own trust-tier: core data is confirmed by the manufacturer, peripheral data — by AI (with a source link). Safety-critical parameters (load ratings) are never published below vendor-claimed — a liability requirement.

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