Rolls RM219 User Manual
SCHEMATIC
R1022KC102
120PF
C101
R104
1U
R103
100K
MONO/RIGHT
PHONE 1/4
J2
PHONE 1/4
J1
LEFT
MONO/RIGHT
PHONE 1/4
J4
PHONE 1/4
J3
LEFT
MONO/RIGHT
PHONE 1/4
J6
PHONE 1/4
J5
LEFT
MONO/RIGHT
PHONE 1/4
J8
PHONE 1/4
J7
LEFT
47K
VCC
P1B
8
P1A
2
Vbias
2
Vbias
P7A
2
Vbias
2
Vbias
4 6
1 3
R2022KC202
4 6
P100K X2
1 3
R3022KC302
4 6
1 3
R4022KC402
4 6
P100K X2
1 3
R105
100K
4560
6
R113
7
U101B
47K
5
C104
120PF
C103
2K
R111
2
1U
U101A
3
4
R112
10K
120PF
R204
R203
100K
47K
VCC
8
R205
100K
4560
6
R213
7
U201B
47K
5
C204
120PF
R211
C203
2K
1U
2
U201A
3
P4A
4
R212
10K
120PF
R304
R303
100K
47K
VCC
8
R305
100K
4560
6
R313
7
U301B
47K
5
C304
120PF
R311
C303
2K
1U
2
U301A
3
4
R312
10K
120PF
R404
R403
100K
47K
VCC
8
R405
100K
4560
6
R413
7
U401B
47K
5
C404
120PF
R411
C403
2K
1U
2
U401A
3
P10A
4
R412
10K
P100K X2
5
C105
Vbias
R101
1U
10K
P100K X2
C106
R110
1U
10K
C201
1U
P4B
P100K X2
5
C205
Vbias
R201
1U
10K
C206
R210
1U
10K
C301
1U
P7B
P100K X2
5
Vbias
R301
C305
10K
1U
P100K X2
C306
R310
1U
10K
C401
1U
P10B
P100K X2
5
Vbias
R401
C405
10K
1U
C406
R410
1U
10K
EXAMPLE 1
RIGHT AND LEFT
OUTPUTS
EXAMPLE 2
R38
C14
C29
C17
R43
312
3.3K
R42
SW1
SPST
3.3K
Q4
2N3904
R35
XLR F PC
100K
3
VCC
C13
47U
1 2
J19
C901
1U
MONO/RIGHT
P25B
P100K X2
PHONE 1/4
J18
5
C905
Vbias
R901
1U
10K
P25A
P100K X2
PHONE 1/4
J17
2
C906
Vbias
R910
1U
10K
LEFT
D101
R107
VCC
LDRR
4.7K
Q101
2N3904
OVLOAD
R106
Vbias
R109
10K
4.7K
Vbias
R108
BAL
4.7K
P2
P100K
R115
Vbias
4.7K
1
R116
R114
4.7K
4560
10K
AUX
R117 10K
P3
P100K
Vbias
D201
R207
VCC
LDRR
4.7K
Q201
2N3904
OVLOAD
R206
Vbias
R209
10K
4.7K
Vbias
R208
BAL
4.7K
P5
P100K
R215
4560
Vbias
4.7K
1
R216 4.7K
R214
10K
AUX
R217 10K
P6
P100K
Vbias
D301
R307
VCC
LDRR
4.7K
Q301
2N3904
OVLOAD
R306
Vbias
R309
10K
4.7K
Vbias
R308
BAL
4.7K
P8
P100K
R315
Vbias
4.7K
1
R316
R314
4.7K
4560
10K
AUX
R317 10K
P9
P100K
Vbias
D401
R407
VCC
LDRR
4.7K
Q401
2N3904
OVLOAD
R406
Vbias
R409
10K
4.7K
Vbias
R408
BAL
4.7K
P11
P100K
R415
4560
Vbias
4.7K
1
R416 4.7K
R414
10K
AUX
R417 10K
P12
P100K
Vbias
MODEL RM203x
MAIN
OUTPUTS
RIGHT
LEFT
12VAC
OUT
OUT
300mA
C801
1U
MONO/RIGHT
P22B
P100K X2
PHONE 1/4
J16
5
C805
Vbias
R801
1U
10K
PHONE 1/4
J15
2
C806
Vbias
R810
1U
10K
LEFT
C701
1U
MONO/RIGHT
P19B
P100K X2
PHONE 1/4
J14
5
C705
Vbias
R701
1U
10K
P19A
P100K X2
PHONE 1/4
J13
2
C706
Vbias
R710
1U
10K
LEFT
C601
1U
MONO/RIGHT
P16B
P100K X2
PHONE 1/4
J12
5
C605
Vbias
R601
1U
10K
PHONE 1/4
J11
2
C606
Vbias
R610
1U
10K
LEFT
C501
1U
MONO/RIGHT
P13B
P100K X2
PHONE 1/4
J10
5
C505
Vbias
R501
1U
10K
P100K X2
PHONE 1/4
J9
C506
R510
1U
10K
LEFT
L
AUXILIARY
RETURN
R
OUT IN
AUX
LEFTRIGHT\
SEND
MONO
RECORD
33K
R37
332
10U
C27
10U
R9022KC902
4 6
1 3
R8022KC802
4 6
1 3
R7022KC702
4 6
1 3
R6022KC602
4 6
1 3
R5022KC502
4 6
P13A
2
Vbias
VCC
P22A
P100K X2
P16A
P100K X2
680PF
10U
VCC
8
4560
6
C28
U5B
R40
5
332
R36
C19
10U
33K
680PF
Vbias
D5
R32
100K
4.7K
Q2
R25
LDRR
OVLOAD
R26
120PF
2N3904
10K
R904
Vbias
R903
100K
47K
VCC
8
R905
100K
4560
6
R913
7
U901B
47K
5
C904
120PF
C903
2K
R911
1U
2
U901A
3
4560
10K
4
R912
10K
120PF
R804
R803
100K
47K
VCC
8
R805
100K
4560
6
R813
7
U801B
47K
5
C804
120PF
R811
C803
2K
4560
1U
2
U801A
3
10K
4
R812
10K
120PF
R704
R703
100K
47K
VCC
8
R705
100K
4560
6
R713
7
U701B
47K
5
C704
120PF
C703
2K
R711
1U
2
U701A
3
4560
10K
4
R712
10K
120PF
R604
R603
100K
47K
VCC
8
R605
100K
4560
6
R613
7
U601B
47K
5
C604
C603
120PF
R611
1U
2K
4560
2
U601A
3
10K
4
R612
10K
120PF
R504
R503
100K
47K
VCC
8
R505
100K
4560
6
R513
7
U501B
47K
5
C504
C503
120PF
1U
2K
R511
2
U501A
3
4560
10K
1 3
4
R512
10K
MONO MONO MONO MONO MONO MONO MONO MONO MONO
RIGHT
LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT
P29
P100K
P10K
7
R51
R44
4.7K
R39
10K
BAL
R41
P28
10K
P100K
Vbias
Vbias
R52
D901
R907
4.7K
VCC
LDRR
4.7K
Q901
2N3904
OVLOAD
Vbias
R906
10K
R909
4.7K
R908
BAL
4.7K
P26
P100K
R915
Vbias
4.7K
1
R916
R914
4.7K
AUX
R917 10K
P27
P100K
Vbias
D801
R807
VCC
LDRR
4.7K
Q801
2N3904
OVLOAD
R806
Vbias
R809
10K
4.7K
Vbias
R808
BAL
4.7K
P23
P100K
R815
Vbias
4.7K
1
R816 4.7K
R814
AUX
R817 10K
P24
P100K
Vbias
D701
R707
VCC
LDRR
4.7K
Q701
2N3904
OVLOAD
R706
Vbias
R709
10K
4.7K
Vbias
R708
BAL
4.7K
P20
P100K
R715
Vbias
4.7K
1
R716
R714
4.7K
AUX
R717 10K
P21
P100K
Vbias
D601
R607
VCC
LDRR
4.7K
Q601
2N3904
OVLOAD
R606
Vbias
R609
10K
4.7K
Vbias
R608
BAL
4.7K
P17
P100K
R615
Vbias
4.7K
1
R616 4.7K
R614
AUX
R617 10K
P18
D501
P100K
R507
Vbias
4.7K
VCC
LDRR
Q501
2N3904
OVLOAD
R506
Vbias
R509
10K
4.7K
Vbias
R508
BAL
4.7K
P14
P100K
R515
Vbias
4.7K
1
R516
R514
4.7K
AUX
R517 10K
P15
P100K
Vbias
R2
C1
10KR31K
1U
VCC
R31 10K
8
R1
100
Vbias
4560
6
7
U1B
5
Vbias
R4
100K
R5
10K
Vbias
R11
100K
R10
10K
4560
R12
R9
1K
100
2
1
U1A
3
Vbias
4
VCC
8
R30
7
U3B
10K
4560
4560
R27
1
U3A
10K
4
VCC
8
4560
R29
7
U4B
10K
4560
R28
1
U4A
10K
4
R21
10K
R20
100
2
U5A
3
Vbias
4
J28
JAPDC
VCC VCC VCC VCC VCC
C20
C21
503
503
6
P31A
5
2
P100K X2
1 3
R23
D1
Vbias
4.7K
LDRR
Q1
2N3904
Vbias
C3
1U
2
P31B
3
5
P100K X2
4 6
Vbias
C5
120PF
2
6
R16
10K
5
1 3
P33A
P100K X2
P100K X2
P33B
Vbias
4 6
3
R17
10K
2
5
C6
120PF
AUX RETURN
C7
120PF
2
6
R18
10K
5
1 3
P34A
P100K X2
P100K X2
P34B
Vbias
4 6
3
R19
2
10K
5
C8
120PF
R22
C9
1K
1U
4560
AUX SEND
1
2
3
1
C22
C23
C24
503
503
503
RCAX4
J21A
1
REC OUT
3
R48
VCC
8
100
PHONE 1/4
C2
J22
R7
4560
10U
100
7
U2B
R8
R6
100K
51
VCC
PHONE 1/4
J23
OVLOAD
R13
RCAX4
51
J21B
2
REC OUT
3
R47
4560
100
PHONE 1/4
R14
1
J24
U2A
C4
100
10U
R15
4
100K
RCAX4
J21C
C26
4
REC IN
1U
6
J21D
C18
RCAX4
5
REC IN
1U
6
PHONE 1/4
J25
C15
1U
PHONE 1/4
J26
C16
1U
PHONE 1/4
J27
Stereo Mic/Line Mixer
RM219
2345678910
RM219
HEADPHONE/
AUX OUT
PWR
clip
clip
clip
clip
clip
clip
clip
clip
clip
clip
clip
pan aux
bal aux
bal aux
bal aux
bal aux
bal aux
bal aux
bal aux
bal aux
bal aux
LDSG
POWER
VCC
D2
Vbias
D4
470
R33
MPSA56
R24
1N4001
10K
C10
Q3
VCC
C25
503
C12
R34
10K
47UF
ROLLS CORPORATION
5968 S 350 W
Murray, UT 84107
KEYBOARD MIXER RM219
Title
Size: Document Number:
RM219.SCH D
Rb
29 August 2007
Date:
LEFT
C11
1000UF 16V
off
PHANTOM POWER
Rev:
1
Sheet of
1
MIC
SPECIFICATIONS
Input Impedance: Line: 10 k Ohms unbal.
1000UF 16V
TAPE IN AUX RETURN MASTER
bal aux
STEREO LINE MIXER
CLIP
LEVEL
Mic: 10 k Ohms bal.
MIDI CONTROL
UP TO 9 TOTAL
SOUND MODULES
RIGHT AND LEFT OUTPUTS
FROM EACH SOUND MODULE
Phantom Power Voltage: +12 VDC
Output Impedance: 50 Ohms bal
Max Input Level: +18 dBV
Phase Shift: < 10 deg. 20 Hz - 20 kHz
Connectors: 1/4” and RCA
Max Gain: 26 dB Line
26 dB Aux
S/N Ratio: >90 dB
MODEL RM203x
MAIN
OUTPUTS
RIGHT
LEFT
12VAC
300mA
AUX
OUT
OUT
SEND
MONO
AUXILIARY
RETURN
L
MONO MONO MONO MONO MONO MONO MONO MONO MONO
R
RIGHT
LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT
OUT IN
LEFTRIGHT\
RECORD
MIC
LEFT
off
PHANTOM POWER
THD < .003%
IMD (SMPTE) < .003%
Self Noise: < 82 dB
Power 120 VAC 50-60 Hz, 15 W
Weight: 7 lbs (3kg)
MULTI-EFFECTS PROCESSOR
INPUT RIGHT
OUTPUTS
LEFT
Size: 19” x 1.75” x 6.5”
(48cm x 4.5cm x 17cm)
ROLLS CORPORATION
SALT LAKE CITY, UTAH
01-09
OPERATION GUIDE
INTRODUCTION
Thank your for your purchase of the Rolls RM219 Stereo Mic\Line Mixer. The RM219 is a
line-level mixer featuring a single mic input and nine channels of stereo inputs. It has a Tape
input and output, and a mono auxiliary send and stereo return. Each channel has a signal
level control, a right/left balance control, an auxiliary level control, and a clip LED.
INSPECTION/WARRANTY
1. Unpack and inspect the RM219 box and package.
Your RM219 was carefully packed at the factory in a protective carton. Nonetheless, be sure
to examine the unit and the carton for any signs of damage that may have occurred during
shipping. 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 text. Fill out the warranty information to ensure coverage of your new Rolls product. If
you do not have access to the internet, or do not wish to register your warranty online, complete the Warranty Registration Card and return it to the factory.
DESCRIPTION
FRONT PANEL
2345678910
clip
clip
clip
clip
clip
clip
clip
pan aux
bal aux
bal aux
bal aux
bal aux
bal aux
bal aux
bal aux
clip
bal aux
RM219
HEADPHONE/
AUX OUT
PWR
clip
clip
bal aux
clip
TAPE IN AUX RETURN MASTER
bal aux
STEREO LINE MIXER
CLIP
LEVEL
Master Outputs
Right and Left Out: 1/4” TRS balanced main output jacks. For connection to an amplifi er,
recording device or signal processor.
Right and Left Aux Return: 1/4” unbalanced jack, for connection to the right and left outputs of a signal processor, or they may be used as auxiliary inputs.
Aux Send: 1/4” unbalanced jack, for connection to a signal processor input such as a
multi-effects processor. This output may also be used as a monitor send for connection to
an amplifi er and speakers for monitoring.
Record Out: Stereo RCA jacks for connection to a stereo input device such as a cassette
player or DAT player, for recording program material. Level is controlled by individual
channel volumes.
Record Inputs: Stereo RCA jacks for connection to a source such as a cassette player or
CD player.
Channel Inputs
Note: Channels Two through Ten are identical.
Right / Left: 1/4” TS unbalanced jacks for connection to the right and left outputs of a
stereo instrument, or if nothing is plugged into the Left input, the signal connected to the
Right input feeds both sides.
Channel One
Input: Balanced XLR jack for connection to a condenser or dynamic microphone.
Phantom Power: For applying +12V phantom power to the Mic 1 XLR jack.
PHANTOM POWER
The RM219 Phantom Power is applied to the XLR input when the rear phantom power
switch is in the on position.
Channel One
Pan: Adjusts the relative level of the microphone signal to the Right and Left Outputs.
Aux: Adjusts the level of signal sent to the Auxiliary Output.
Mic Level: Adjusts the signal level of the microphone preamp circuitry.
Clip: When lit, indicates clipping of excessive level into the channel.
Note: Channels Two through Ten are identical.
Channel Two - Ten Section
Bal: Adjusts the relative level of the channel signal to the Right and Left outputs.
Aux: Adjusts the amount of signal sent to the Auxiliary Output.
Level: Adjusts the overall signal level of the channel.
Clip: When lit, indicates clipping of excessive level into the channel.
Master Section
Tape In: Adjusts the amount of input signal from the rear panel Tape In jacks.
Aux Return: Controls the amount of signal received at the stereo Aux Return jacks.
Master Level : Controls the overall output level of the RM219.
Headphone/Aux out: 1/4” TRS stereo jacks for monitoring the master right and left signals,
also may be used as an alternative stereo output for connecting to another stereo amplifi er.
PWR: Indicates that the RM219 is connected to an AC outlet and is on.
REAR PANEL
MADE IN USA
www.rolls.com
+
-
ROLLS PS27
150 mA min.
12 VDC
RIGHT
OUT
MAIN
OUTPUTS
AUXILIARY
RETURN
LEFT
AUX
SEND
MONO
LEFTRIGHT\
OUT
MONO MONO MONO MONO MONO MONO MONO MONO MONO
RIGHT
OUT IN
RECORD
LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT
LEFT
OFF ON
PHANTOM POWER
CONNECTION / OPERATION
INPUT CONNECTION EXAMPLE
The RM219 Channel One is designed to receive a microphone level signal, all other channels are designed to receive line-level signals. Connect a microphone to Channel One,
and connect the outputs of each instrument or module via a 1/4” cable to channels two
through ten as shown in Example 1 (See back page). Connect the outputs to an amplifi er,
snake, or mixer.
AUXILIARY SEND/STEREO RETURN CONNECTION EXAMPLE
Connect 1/4” unbalanced cables to the Aux Send to the Input of the signal processor, and
connect each signal processor output to its corresponding Aux Return jack as shown in
Example 2 (See back page). Set the “Mix” control on your signal processor to 100% effect
since the dry portion of the signal is mixed in the RM219.
NOTE: The RM219 Aux Send jack may also be connected to an amplifi er, then to speak-
ers and used as a Monitor Send.
MIC
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