Ashly Parametric Equalizers SC-66A Instrukcja Użytkownika Pobierz pdf (Strona 2)

At the heart of the SC-66A is a unique bandpass filter

circuit. Basically a "state-variable" type, this filter is

trimmed and optimized to provide excellent trans

ient response and a wide range bandwidth adjust

ment. Each filter in the SC-66A can be tuned over a

50:1 frequency range (about 5 1/2 octaves) and a

70:1 bandwidth range with no more than a 2 dB

amplitude error at center frequency. At its sharpest

setting, the filter has a "Q" of about 35 and gener

ates a response curve with 3 dB points only 1/20

octave apart, making feedback control possible

with no audible side-effects. The filters are manu

factured as Individual, plug in units to make servic

ing easy.

Each filter is placed in the feedback loop of a

summing amplifier to produce the desired frequency

response. Since a separate summing amplifier is

used for each band, no interaction between bands

occurs. A husky output stage is provided so that low

impedance loads and long cables may be driven

easily.

CONTROLS

Master

Master Gain

Master Defeat Switch

Per Band

Amplitude

Defeat Switch

Frequency

(low)

(low-mid)

(hi-mid)

(high)

Bandwidth

INPUT IMPEDANCE

i15dB

l15 dB

16HZ-800HZ

48Hz-2.4kHz

160Hz-8kHz

480Hz-24kHz

3 1/3 ocf - 1/20 OCt

10k n active balanced

bridging

SPECIFICATIONS:

OUTPUT IMPEDANCE

MAX. IN-OUT LEVEL

FREQUENCY RESPONSE

DISTORTION

HUM AND NOISE

POWER

SIZE

SHIPPING WEIGHT

50a .term with 600n

or more

• 20dBm ( » 5 dBm at max.

boost, full sharp)

±.5dB 20Hz-20kHz

<.05% THD, HOdBV

20Hz-20kHz

-87dBV (eq in) -95dBV

(eq out)

120 VAC, 50-60HZ, 5W

19"L X 51/4"H X 6"D

12 lbs.

1 2

FEATURES: 1
SPECIFICATIONS: 2

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