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6. TECHNICAL SPECIFICATION

Audio Input

Type

Active balanced XLR and 1/4" JACK

Impedance

Balanced: 50k Ohm/Unbalanced: 25k Ohm

Operating level

+4 dBu/

10 dBV

Maximum input level

Balanced and Unbalanced: +18dBV

CMRR

>55 dB @1k Hz

Audio Output

Type

XLR and 1/4" JACK

Impedance

Balanced: 60 Ohm / Unbalanced: 30 Ohm

Maximum output level

+18 dBV

System Specifications

Bandwidth

18 Hz to 30k Hz at 3 dBV

THD+N%

0.02% typ. 1k Hz, @+4 dBu / 0.04% typ. 1k Hz, @

10 dBV

IMD

0.01% typ.

Noise

>-92 dBr unweighted 22 Hz to 22k Hz

Frequency response

18 Hz to 30k Hz, 3 dB

Low cut

Variable (10 Hz to 400 Hz)

High cut

Variable (2.5k Hz to 30k Hz)

Parametric Filter

Level

Variable ( 15 dB)

Frequency

Band1: 20 Hz to 400 Hz/Band2: 60 Hz to 1k Hz
Band3: 150 Hz to 2.5k Hz / Band4: 500 Hz to 8k Hz
Band5: 1k Hz to 20k Hz

Bandwidth

Variable (0.03 to 1.6 octaves)

Function Switches

Audio IN/OUT

Relay controlled hard

bypass

I/O meter IN/OUT

Switches the meter display from input to output

IN/OUT

Activates each filter band

Indicators

Input/output level

12-segment LED display:
-30/-24/-18/-12/-6/-3/0/+3/+6/+9/+12/+18 dB

Function switch

LED indicator of every switch

Power Supply

Main voltages

AC: 210

240 VAC~50 Hz

AC: 95

120 VAC~60 Hz

Power consumption

9 Watts

Fuse

95

120V: T315mA 250VAC

210

240V: T200mAL 250VAC

Physical

Dimension

483(W) 194.1(D) 44(H) mm

Weight

3.23 kg

Summary of Contents for ALTO Q

Page 1: ...User s Manual www altoproaudio com Version 2 0 SEP 2007 LTO R English 5 BAND PARAMETRIC EQUALIZER ALTO Q...

Page 2: ...ctive Ground Terminal AC mains Alternating Current Hazardous Live Terminal ON Denotes the product is turned on OFF Denotes the product is turned off The apparatus shall be connected to a mains socket...

Page 3: ...and make sure to read this Manual carefully before operation 1 2 FEATURES Illuminated Power Switch Mountable in a rack unit 1U 19 1 4 TRS type jack and balanced XLR connectors available LED Meter 12 L...

Page 4: ...F position green light off the unit will be turned off 1 POWER Switch The input jack of your LTO Q is directly connected to the output jack when this control is on OUT position or if the unit is not c...

Page 5: ...15 dB to 15 dB 9 INPUT Control 13 Output Connectors The unit Balanced XLR and 1 4 TRS jack output sockets which wired in parallel The Balanced signals are less sensitive to hum generated by AC feature...

Page 6: ...ba Valve Hom STRINGS Violin Viola Cello Double Bass Guitar KEYBOARDS Pianoforte Organ PERCUSSION Celesta Timpani Xylophone FREQUENCY 25 31 40 50 62 80 100 125 160 200 250 320 400 500 640 800 1K 1 3K1...

Page 7: ...pparaten skall anslutas till jordat uttag nar den ansluts till ett natverk DESIGNED IN ITALY MADE IN CHINA D1 500W 2 dB 12 16 18 20 22 24 26 28 30 6 CH1 dB 12 16 18 20 22 24 26 28 30 6 CH2 SIG CLIP PR...

Page 8: ...s and a power amplifier The defective wiring may degrade the performance of so please use good quality screened audio cables only Please follow the guide below to interface without experiencing any no...

Page 9: ...nsert Leads 2 1 3 1 2 3 TIP RING SLEEVE Tip Ring Sleeve 1 2 Send 3 1 2 Return 3 TIP RING SLEEVE Centre Send Screen Centre Return Screen Tip Ring Sleeve SLEEVE TIP SLEEVE RING TIP TIP RING SLEEVE Tip R...

Page 10: ...10 Hz to 400 Hz High cut Variable 2 5k Hz to 30k Hz Parametric Filter Level Variable 15 dB Frequency Band1 20 Hz to 400 Hz Band2 60 Hz to 1k Hz Band3 150 Hz to 2 5k Hz Band4 500 Hz to 8k Hz Band5 1k H...

Page 11: ...od of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 2 The warranty service is only available to the original consumer who purchased this product directly...

Page 12: ...y translation or reproduction of part of this manual without written permission is forbidden Copyright 2007 Seikaku Group SEIKAKU TECHNICAL GROUP LIMITED NO 1 Lane 17 Sec 2 Han Shi West Road Taichung...

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