Rolls TV Cables DB14 User Guide

Thank you for your purchase of the DB14 AV PRESENTER.  
The DB14 is a special purpose direct box for applications  
such as connecting a laptop computer to a sound system.  
Or where needed, a stereo source signal can be separated,  
and individual volume controls used for each track such as a  
rehearsing choir to a music track. It has stereo RCA inputs,  
a stereo 1/8” (3.5mm), 2 volume controls, RCA and XLR  
outputs, and uses no power.  
CONNECTION  
Shown below is a connection example for the DB14b. The laptop  
computers stereo output is connected to the 3.5mm stereo input of  
the DB14b via a stereo 3.5mm to 3.5mm cable.  
NOTE: The Right and Left signal levels are adjusted  
individually by the Right and Left Volume controls.  
The XLR output is connected to a balanced low impedance input on  
a snake or a mixer balanced input.  
DESCRIPTION  
Right/Left In: RCA and 1/8” input jacks. For connection to a  
laptop computer, CD player, DVD player, etc.  
R/L Out: RCA jacks for sending the input signals out to a line  
level amplication device.  
The two stereo RCA outputs may be connected to unbalanced high  
impedance stereo, or individual right and left mixer inputs.  
Low Z Out: Male XLR jack for sending out a mix of both A  
and B signals.  
To unbalanced  
input  
Right/Left Volume: Controls the level of each input signal  
independently.  
GND-LIFT: Ground/Lift switch for disconnecting the ground  
of the XLR jack from the ground of the DB14b.  
E
M
U
L
M
O
E
V O L  
E
M
U M  
L
O
E
V O L  
T F E L E F  
T
I
R I G H T  
b R 4 1 E B T D N B 1 E 4 S b E R P R E H S G E N T E R  
V A A V  
I N  
H G R I G H T / L E F  
T
U O U T  
N
T U O  
O
Z Z W  
O L O  
L / R / L  
T F E L /  
T
I
SPECIFICATIONS  
Max Input Level:  
Max Output Level:  
Frequency Response:  
kHz  
+20 dB  
+20dB RCA, 0 dB XLR  
(Low Z) 50 Hz to 16  
Weight:  
1 lb (.45 kg)  
To snake or mixer  
Size:  
2” x 3.5” x 1.25”  
(5 x 9 x 3.2 cm)  
Owners Manual  
WARRANTY  
For information on the Rolls One Year Limited Warranty, and  
to register this product, visit our website at www.rolls.com  
SCHEMATIC  
4
J2B  
OUTPUT  
RCAX4 PC  
6
P2  
P100K  
1
J2A  
R1  
10K  
3
XFMR AUDIO PC  
T1  
RCAX4 PC  
INPUTS  
R2  
10K  
3
J1  
3.5STJK  
SW1  
J2  
2
3
1
XLR JACK M  
P1  
P100K  
SPST  
Rolls Corporation  
5968 So 350 West  
Murray  
Utah 84107  
DB14b AV Presenter  
Document Number:  
Rev:  
A
Ba  
DB14.SCH  
Date: 1 february 2010  
Sheet  
1
of  
1
Download from Www.Somanuals.com. All Manuals Search And Download.  

Q Logic Router ISR6142 User Guide
Radio Shack Calculator EC 235 User Guide
Reliable Carpet Cleaner T730A User Guide
Remington Kitchen Utensil F 710 User Guide
Renesas Computer Hardware SH7147 User Guide
Ricoh Thermostat R5RL User Guide
RTS Switch KGATX0101400 User Guide
Samsung Bluetooth Headset GH68 11254A User Guide
Samsung DVD Player DVD HD850 User Guide
Sears Exercise Bike 142288040 User Guide