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User guide

ManualsBrandsSummit Audio ManualsHardware2BA-221 Mic and Line Preamplifier
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Microphone Impedance Chart
18 Summit Audio, Inc.
Microphone
Impedance Chart
Loading Impedance should be approximately four times the
microphone output impedance listed below. Check the users
manual on the respective microphone for exact figures.
Brands and model numbers listed below are all copyright of
their respective owners. This list is for reference only.
Microphone Impedance Chart
Brand Model Ω Brand Model Ω Brand Model Ω
AKG
Solid Tube 200 Audio-Technica AT3032 250 Audio-Technica PRO1 8K
AKG C1000 200 Audio-Technica AT3035 250 Audio-Technica PRO2 8K
AKG C5900 200 Audio-Technica AT4033 100 Audio-Technica PRO3 500
AKG C535 200 Audio-Technica AT4040 100 Audio-Technica PRO4 250
AKG C4500 200 Audio-Technica AT4041 100 Audio-Technica PRO5 250
AKG C2000 200 Audio-Technica AT4047 250 Audio-Technica PRO10HE 600
AKG C3000 200 Audio-Technica AT4050 100 Audio-Technica ATM27HE 200
AKG C4000 200 Audio-Technica AT4051 100 Audio-Technica ATM29HE 200
AKG 414ULS 180 Audio-Technica AT4060 200 Audio-Technica ATM31a 200- 270
AKG 414TLII 180 Audio-Technica AE3300 150 Audio-Technica ATM33a 200-270
AKG D40 500 Audio-Technica AE4100 250 Audio-Technica ATM41a 250
AKG D50 500 Audio-Technica AE5400 150 Audio-Technica ATM61 600
AKG D60 500 Audio-Technica AE6100 250 Audio-Technica ATM63 600
AKG D660 500 Audio-Technica AT804 600 Audio-Technica ATM89 100
AKG D770 600 Audio-Technica AT813 200-270 Audio-Technica ATR10BL 500
AKG D880 600 Audio-Technica AT873 100
Audix
OM-2 250
AKG D3700 600 Audio-Technica ATM10a 200-270 Audix VX-10 250
AKG D3800 600 Audio-Technica ATR10RD 500 Audix CD-11 600
AKG D112 210 Audio-Technica ATR20 500 Audix CD-11H 50K
AKG D440 600 Audio-Technica ATR30 500 Audix CD-21 250
AKG D550 600 Audio-Technica ATR50 500 Audix F-50 250
AKG C418 200 Audio-Technica ES973 250 Audix SCX1 600
AKG C419 200 Audio-Technica MB1000 500 Audix SCX25 200
AKG C12 200 Audio-Technica MB1000 500
Blue
Dragonfly50
AKG C426 200 Audio-Technica MB3000 250 Blue Bottle 200
Audio-Technica AT3031 250 Audio-Technica MB4000 250 Blue
Baby Bottle 50