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specifications

Crest Audio specification literature is available
in downloadable PDF format at our website
www.crestaudio.com

©n

2000 Crest Audio Inc.

Crest Audio reserves the right to make 

improvements in manufacturing or design

which may affect specification.

X-Eight RT

v. 1.0

1

/

24

/

00

modules

master module block RT

group module RT

mono input module 

rear view X-Eight RT

stereo input module 

+0/-1dB

20Hz–20kHz ref 1kHz

—any input to any output

any output   <.01% 

THD

20Hz–20kHz @ +15dBu out

mic ein   better-than -128dBu

20Hz–20kHz

—150ohm source, 60dB gain

channel mute   

>80dB

channel routing

>80dB 

channel fader attenuation >90dB 

aux send attenuation >75dB

< +/- 30 degrees,

20Hz–20kHz

—mic-in to main-out

mic-in 

XLR

4k ohm balanced—max voltage gain to left/right balanced out = 98dB

line-in 

TRS

>10k ohms balanced

left/right/mono—group, aux, matrix—monitor-out   

all 100 ohms balanced

headphones   to drive > eight-ohms

send   

50 ohms ground-compensated on 

TRS

jack

return   

>10k ohms balanced on 

TRS

jack

+4dBu

max level 

+26dBu balanced

into >1k ohms

high freq

+/- 15dB shelf 

at 

12kHz

hi-mid freq   

+/- 15dB bell   

freq range 

400Hz–8kHz

Q=1.5

low-mid freq    +/- 15dB bell   

freq range 

80Hz–2kHz

Q=1.5

low freq   

+/- 15dB bell-boost /shelf-cut  freq center 

80Hz

Q=.7 on boost

high-pass filter    -12dB/octave   

freq range 

20Hz–400Hz

separate on-switches for eq and high-pass filter

eight independent tape returns—with assignment to main left/right/mono buses

plus aux-sends for aux 5–8

five-segment 

LED

ladder with VU-type response—displays pre-fader signal level

top red-

LED

warns of impending overload—anywhere within the channel, lowest green-

LED

shows signal-present

thirteen mechanical

VU

-type meters with 

LED

-illumination

eight-meters showing group-outs

three-meters showing main-outs (left/right/mono), and two dedicated solo-meters 

pink-noise generator can feed the talk-back section

chassis is powder-coated 

14-gauge galvanized steel

with internal-bracing 

modules are powder-coated 

18-gauge galvanized steel

with baked-epoxy screening

see dimension-drawing

five-years

frequency response 

THD

noise

crosstalk 

phase shift

inputs

outputs 

insert 

nominal output level

input channel eq

output features

channel metering

master metering

signal generator

construction

dimensions and weights

warranty

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