Rolls RA102 Manual

Rolls Ikke kategoriseret RA102

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Side 1/2

RA102

Ten Channel

Pro Headphone Ampliﬁ er

ROLLS CORPORATION

SALT LAKE CITY, UTAH

3/09

OPERATION GUIDE

SCHEMATIC

SPECIFICATIONS

Input Impedance: 10K Ohms unbalanced

Max Input Level: +18 dBV

Input Connectors: RCA, R & L balanced XLR

Outputs: 10: 1/4" TRS Stereo jacks

10: 1/8" (3.5 mm) TRS Stereo jacks

Max Gain: 20 dB/Channel

Frequency Response: 20 Hz - 30 kHz

S/N Ratio: 90 dB

THD: <.008%

IMD: <.008%

Phase Shift (In to Out): 0 deg.

Slew Rate: 2 V per microsecond

Crosstalk: - 65 dB

Power Rolls Model PS15 or PS12

Weight: 7 lbs (3KG)

Size: 19” x 1.75” x 3.125” (48cm x 4.5cm x 17cm)

Headphone impedance: 8 Ohms to 1000 Ohms

WARNING:

WARNING: THE MINIMUM HEADPHONE IMPEDANCE FOR THE RA102 IS 8

OHMS. THE MAXIMUM HEADPHONE IMPEDANCE IS 1000 OHMS.

IF YOU CONNECT AND USE THE RA102 WITH A LOWER HEADPHONE IMPED-

ANCE THAN LISTED ABOVE YOU WILL DAMAGE THE UNIT AND POSSIBLY OTHER

EQUIPMENT THAT IS CONNECTED TO THE RA102.

ROLLS CORPORATION

5968 S 350 W

MURRAY, UT 84107

RA102.SCH J

3 March 2009

Title

Size: Document Number:

Date:

Rev:

Sheet of

RA102 HEADPHONE AMPLIFIER

RIGHT

LEFT

JOIN OUT

AUX/JOIN IN

V+

100

U11A

4560

U11B

4560

10K

R10

100

J22

PHONE 1/4

J21

PHONE 1/4

10K

1 2

J23

XLR JACK F

1 2

J24

XLR JACK F

10K

J25A

RCAX2

J25B

RCAX2

12VAC/12-16VDC

V+

U6B

4556

U6A

4556

U7B

4556

U7A

4556

U8B

4556

U8A

4556

U9A

4556

U9B

4556

R603

P6A

P100K X2

P9B

P100K X2

P8B

P100K X2

P7B

P100K X2

P6B

P100K X2

P7A

P100K X2

P8A

P100K X2

P9A

P100K X2

R702

10K

R701

10K

R802

10K

R801

10K

R902

10K

R602

10K

R601

10K

R903

R904

R804

R803

R703

R704

R604

C19

2200uf

R901

10K

C601

27PF

C701

27PF

C801

27PF

C901

27PF

C602

27PF

C702

27PF

C802

27PF

C902 27PF

V+

U10A

4556

U10B

4556

P10B

P100K X2

P10A

P100K X2

R1002

10K

R1003

R1004

R1001

10K

C1001

27PF

C1002 27PF

10uf

2200 UF

C10

47 UF

R11

18K

R13

22K

J26

JAPDC

1N4001

LDRR

R14

10K

V+

10U

J17

PHONE 1/4

J18

PHONE 1/4

J19

PHONE 1/4

J20

PHONE 1/4

V+

U1B

4556

U1A

4556

U2B

4556

U2A

4556

U3B

4556

U3A

4556

U4A

4556

U4B

4556

R103

P1A

P100K X2

P4B

P100K X2

P3B

P100K X2

P2B

P100K X2

P1B

P100K X2

P2A

P100K X2

P3A

P100K X2

P4A

P100K X2

R202

10K

R201

10K

R302

10K

R301

10K

R402

10K

R102

10K

R101

10K

R403

R404

R304

R303

R203

R204

R104

R401

10K

C101

27PF

C201

27PF

C301

27PF

C401

27PF

C102

27PF

C202

27PF

C30227PF

C402

27PF

V+

U5A

4556

U5B

4556

P5B

P100K X2

P5A

P100K X2

R502

10K

R503

R504

R501

10K

C501

27PF

C502

27PF

J11

PHONE 1/4

J12

PHONE 1/4

J13

PHONE 1/4

J14

PHONE 1/4

10U

3.5STJK

J10

3.5STJK

C18

2200uf

D4 1N4001

D1 1N4001

1N4001

J15

PHONE 1/4

C11

503

C12

503

C13

503

C14

503

C15

503

C17

503

C16

503

10U

J16

PHONE 1/4

V+

www.rolls.com

OUT

MAIN OUTPUTS

ROLLS

PS12

SERIAL NUMBER

OUT

OUTOUTOUTOUT OUT OUT OUT

clip

www.rolls.com

RA102

PROFESSIONAL TEN CHANNEL HEADPHONE AMP

PWR

OUT

7 5 8 8 9 0 1 0 2 0

WARNING

USING THIS SYSTEM AT EXCESSIVE VOLUMES CAN CAUSE

PERMANENT HEARING DAMAGE.

USE AS LOW A VOLUME AS POSSIBLE

In order to use this system safely, avoid prolonged listening at excessive sound pressure

levels. Please use the following guidelines established by the Occupational Safety Health

Administration (OSHA) on maximum time exposure to sound pressure levels before hearing

damage occurs. 90 dB SPL at 8 hours

95 dB SPL at 4 hours

100 dB SPL at 2 hours

105 dB SPL at 1 hour

110 dB SPL at 1/2 hour

115 dB SPL at 15 minutes

120 dB SPL - avoid or damage may occur

NOTE: THIS MANUAL ASSUMES THE USER HAS A WORKING KNOWLEDGE OF AU-

DIO ELECTRONICS, BALANCED AND UNBALANCED CONNECTIONS, AND PROPER

SIGNAL LEVEL SETTING.

INSPECTION / WARRANTY

1. Unpack and inspect the RA102 box and package.

If obvious physical damage is noticed, contact the carrier immediately to make a damage claim. We

suggest saving the shipping carton and packing materials for safely transporting the unit in the future.

2. Please visit our web site at www.rolls.com and click on the Register Your Warranty Here button, or

complete the Warranty Registration Card and return it to the factory.

Note: Descriptions for Channel One through Channel Ten are identical.

OUTPUTS 1 - 10 : 1/8” (3.5 mm) Tip-Ring-Sleeve jacks for connection to a standard pair of head-

phones or earphones.

VOLUME 1 - 10: Controls the amount of output signal from the indicated channel for both the front

1/8” and rear 1/4” jacks.

POWER LED: Indicates that the RA102 is connected to the power supply and is on.

POWER INPUT: Connects to the Rolls PS15 or Rolls PS12 (Included).

INPUTS: Left and Right - Balanced XLR jacks

- RCA Unbalanced jacks

Note: Descriptions for Channel Six through Channel One are identical.

OUTPUT: 1/4” TRS jack - parallels the channel’s front panel 1/8” Output jack.

JOIN: 2 X 1/4” TRS jacks (IN and OUT) for joining RA102’s together

REAR PANEL

FRONT PANEL

INTRODUCTION

Thank you for your purchase of the Rolls RA102 Professional Stereo Headphone Ampliﬁ er. The

ROLLS RA102 is a ten-channel headphone ampliﬁ er for professional audio monitoring. A variety of

input options are available including RCA and balanced XLR separate right and left. The JOIN section

is for connecting more than one RA102 directly together without any signal loss or impedance issues.

You can connect many RA102’s together with the JOIN function. Each channel has a 1/4” headphone

output jack on the rear for professional installations and a 1/8” jack on the front for ease of operation

(both jacks may be used at the same time if needed).

Determine which input conﬁ guration you will use; either RCA or XLR stereo. Mono can be achieved

by connecting the mono input signal to both left and right inputs at the same time.

For a discreet right/left input conﬁ guration, connect a balanced XLR, or RCA plug containing the

”Right” portion of the stereo signal to the Right Main Input. Connect a balanced XLR, or RCA plug

containing the “Left” portion of the stereo signal to the Left Input.

For a TRS stereo input conﬁ guration, connect a Tip-Ring-Sleeve stereo to dual Tip-sleve (mono) RCA

jack cable. This is a very speciﬁ c jack referred to as a insert jack and must be purchase at a specialty

store, to the rear panel LEFT and RIGHT RCA Input’s on the RA102. This cable may come from a

mixer’s AUX output for example.

To send a mono signal to the RA102: connect a mono XLR or RCA to both the LEFT and RIGHT

inputs at the same time this will require a specialty cable. The mono signal will be fed to both the right

and left sides of the headphone outputs.

CONNECTION

CAUTION:

CAUTION: Plugging a mono 1/4” or 1/8” TS plug into the Headphone Out-

puts on the front or rear of the RA102 will cause permanent damage to the unit

because one side would be shorted to ground.

Never plug a mono plug into

any of the Headphone Outputs THE RA102 WILL BE PERMANENTLY DAM-

AGED.

Mono/Stereo Operation:

JOIN EXPLANATION:

The JOIN section is for connecting RA102’s directly together so you can use one source plugged into

the ﬁ rst RA102 and by connecting them with the JOIN in and outs you can have as many headphone

outs as you have units.

To properly connect the JOIN: Plug source material into the ﬁ rst RA102, then plug a TRS 1/4” cable

(also referred to as a 1/4” stereo cable) from the JOIN OUT of the ﬁ rst unit into the JOIN IN of the

second unit. Repeat the JOIN in and out scheme for as many RA102’s as you need, only plugging the

source material in the very ﬁ rst unit in the chain.

Connect the AC adapter to an outlet with the proper voltage. For installations there is intentionally no

Power switch designed on the front of the unit. To turn the RA102 off the power must be terminated

at the adapter. The RA102 was designed for professional applications were most functions are not

accessed from the front. In these applications it is acceptable for the unit to be left on. No damage will

occur to the RA102 in this application, it was designed for it.

Tip

Sleeve

(ground)

Tip

Ring

Sleeve

(ground)

This is a MONO

jack and should

never be plugged

into the Head-

phone Output of

a RA102.

This is a TRS or

stereo jack that

is compatible

with the RA102

Headphone

Outputs.

OUT

OUTOUTOUTOUT OUT OUT OUT

clip

www.rolls.com

RA102

PROFESSIONAL TEN CHANNEL HEADPHONE AMP

PWR

OUT

www.rolls.com

OUT

MAIN OUTPUTS

ROLLS

PS12

SERIAL NUMBER

Produkt Specifikationer

Mærke:	Rolls
Kategori:	Ikke kategoriseret
Model:	RA102

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