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THD: <0.005%@1 kHz

(22 Hz – 80 kHz BW)

Frequency Response:

+0 dB/-1 dB, 20 Hz – 20 kHz
(Mic @ max gain, EQ flat)

Hum & Noise:

(22 Hz – 22 kHz BW)

EIN (Mic 150 Ohm):-129 dBu 
Direct Output:

-97 dB, all controls OFF
-86 dB, nominal settings, gains minimum

LED Indicators:

Switch closure indicators
10-segment multicolor LED ladder indicates output level 

(0 dB  = 0 dBu @ 1/4" unbalanced outputs and

=+4 dBu @ XLR balanced outputs)

Phantom Power:

+48 V (Microphone XLR Inputs only)

Power Requirements:

Dom: 120 VAC 60 Hz 15 W,
Exp:

230 VAC 50/60 Hz 15 W

Dimensions (H x W x D):

1.75" x 19" x 10.5"
(4.44 cm x 48.26 cm x  26.7 cm)

Weight:

8.2 lb. (3.7 kg)

Summary of Contents for SmarTube ST2

Page 1: ...ST 2 Dual Channel SmarTube Mic Preamp...

Page 2: ...raci n Ce symbole est utilis dans ce manuel pour indiquer l utilisateur la pr sence d une tension dangereuse pouvant tre d amplitude suffisante pour constituer un risque de choc lectrique Ce symbole e...

Page 3: ...filter An Insert Unbalanced I O with separate 1 4 Send and Return jacks is provided on the back panel Equalization consists of a shelving Low and High section and two fully adjustable Low Mid and Hig...

Page 4: ...Mid parametric section is a symmetrical bell shaped type and provides a 15 dB boost cut within the frequency range 100 Hz 3 kHz and bandwidth range 2 1 5 octaves The High Mid EQ sections have identica...

Page 5: ...manuals An unbalanced to balanced impedance converter interface adapter can also be used to isolate the microphone input from the 48 V phantom power supply 5 PHANTOM POWER LED Illuminates green when...

Page 6: ...ter frequency of the Low Mid EQ which varies between 500 Hz and 15 kHz 16 HI MID BANDWIDTH This control changes the bandwidth Q of the bell shaped curve of the Low Mid EQ The BW ranges from 2 to 1 5 o...

Page 7: ...the Channel Two signal is panned between A and B bus In Mono position the Channel Two signal is sent only to B bus bypassing the Pan pot 26 SIZZLE SWITCH When pressed this switch introduces a slight 3...

Page 8: ...sengaged When the Stereo Mono switch 25 is engaged only the Channel One signal is routed to this output bypassing the Pan control The balanced and unbalanced outputs can be used simultaneously 36 BUS...

Page 9: ...dB Pin 1 Ground Min Gain 14 20 30 Pin 2 20 dB Pin 3 Line 20k Max Gain 19 12 8 Balanced 1 4 TRS Input 12 dB Tip Min Gain 7 0 21 Ring 0 dB Sleeve Gnd Insert 10k NA 7 0 21 Unbalanced 1 4 TS Return Tip Sl...

Page 10: ...oost Cut 15 dB Frequency 12 500 Hz Low Cut Filter Frequency 75 Hz Mic input only Slop 24 dB octave ST 2 SPECIFICATIONS Output Specifications Input Nom Min Load Impedance Ohms Bal Unbal Connector Nom M...

Page 11: ...minal settings gains minimum LED Indicators Switch closure indicators 10 segment multicolor LED ladder indicates output level 0 dB 0 dBu 1 4 unbalanced outputs and 4 dBu XLR balanced outputs Phantom P...

Page 12: ...rranty Crest Audio will pay the return shipping charges How To Get Warranty Service 1 Take the defective item and your sales receipt or other proof of date of purchase to your Authorized Crest Audio D...

Page 13: ...hold cleaner if necessary Disconnect unit from power supply before cleaning 14 Care should be taken so that objects do not fall and liquids are not spilled into the unit through the ventilation holes...

Page 14: ...14 NOTES...

Page 15: ...15 NOTES...

Page 16: ...es and specifications subject to change without notice Crest Audio Inc 100 Eisenhower Drive Paramus NJ 07652 USA TEL 201 909 8700 FAX 201 909 8744 www crestaudio com 2001 Printed in the U S A 04 01 80...

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