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The long-awaited HUMAN 81 DK is now available.
Best viewed in "landscape" mode.

Specifications

While it is obvious to anyone who has listened to many speakers that numbers and specifications are completely incapable of predicting what a speaker will sound like, it is still useful to know some basic parameters. They are not so much useful for comparison, but to decide if a given speaker meets your general requirements.

And of course, dimensions and weight tend to be pretty useful!

I am often asked what the impedance of various models is. All these systems are nominally 6 ohm speakers, because they do tend to dip down to the 5 to 6 ohm range in the mid-bass.

Any decent amplifier rated for 8 ohm speakers should be able to handle them just fine, though, which would imply that I should call them "8 ohm" speakers.

The main thing is that their impedance curve is very well-behaved and requires nothing extraordinary from the amplifier.

Model Driver
Complement
Power
Handling
(RMS)
Frequency
Response
(+/- 2 dB)
Dimensions
in inches
(H x W x D)
Weight
in pounds
(each)
QT Zero 5" woofer
¾" tweeter
50 60 to 18k 11½ x 7¾ x 6½ 7
QT-1+ 6" woofer
¾" tweeter
75 52 to 18k 12¾ x 8 x 7½ 11
A 61 6" woofer
1" tweeter
120 45 to 26k 15 x 9 x 3 7
C2 two 6" woofers
1" tweeter
160 45 to 26k 8 x 24 x 20 24
61 6" woofer
1" tweeter
150 38 to 26k 14 x 9 x 11 15
81 8" woofer
1" tweeter
160 41 to 26k 18¼ x 11½ x 7½ 19
81 DK 8" woofer
1" tweeter
175 38 to 26k 18½ x 11½ x 14½ 29
66 two 6" woofers
1" tweeter
300 30 to 26k 47½ x 8 x 12 68
88-41 two 8" woofers
4" midrange
1" tweeter
380 26 to 26k 47½ x 10½ x 18 90
InHUMAN 36 8" woofers
36 1" tweeters
6400 16 to 26k 120 x 24 x 28 2400

(Specifications subject to change)

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Prices can change and specifications will improve without notice

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