There was a moment of silence and then we heard the deep, flat response, "What?"

The Golay cell has high sensitivity and a flat response over a very broad range of frequencies.

"Wave form fine, no attenuation, flat response, the trial subject went through with a one point three on the co-ord which can't be bettered."

His flat response left her feeling like a coward.

The microphone has a fairly flat response.

Broadband circuits require flat response over a wide range of frequencies.

Like this flurry of activity here long after anything but a totally flat response should have been observed.

It's a rather flat, limp response from someone who has been pushing everyone else to answer his questions directly and in detail.

The flat response caught him off guard for a moment.

Most also indicate the maximum deviation from flat response.