R&R Ampflication SL Manuale utente

P R E - A M P L I F I E R

MANUAL

TABLE OF CONTENTS

R&R SOUND AMPLIFICATION SL/LD MultiGain PRE-AMPLIFIER

MANUAL 1-1

R&R SL/LD MultiGain PRE-AMPLIFIER. OVERVIEW

PRECAUTIONARY MEASURES

FRONT PANEL CONTROLS

џturn on / turn oﬀ

џchannel CLEAN CH-1

џchannels LEAD CH-2 и CH-3

BACK PANEL CONTROLS

џnetwork connection, input / outputs

џFX LOOP

џmodes BRIGHT / NORMAL second channel

џmodes A250K / A1M third channel

џexternal preamp control

џtype, location and purpose of lamps

WIRING SCHEMES

PREAMPLIFIER ELECTRICAL BLOCK SCHEMES

SPECIFICATIONS

EXAMPLES OF FACTORY PRESETS

џchannel setting CH-1 CLEAN

џchannel setting CH-2 LEAD-1

џchannel setting CH-3 LEAD-2

1-2

1-4

2-1

2-2

3-1

3-2

4-1

4-2

4-3

5-1

5-2

5-3

O F F

A250K

A1M

CH-3

R&R SL/LD MultiGain PRE-AMPLIFIER. OVERVIEW

1-2 R&R SOUND AMPLIFICATION SL/LD MultiGain PRE-AMPLIFIER

MANUAL

The SL/LD MultiGain model 3-channel guitar preamp is designed with ﬁve 12AX7 tubes. It has a rack design (1 unit high) and

is convenient for use both in the studio and in concert activities, easy to use. It has a wide range of sound adjustment that

allows everyone to ﬁnd their own unique sound.

џall-tube sound path (5 tubes 12AX7) with the ability to use tubes from diﬀerent manufacturers separately for clean and

overdrive sound;

џ3 completely independent channels: CH-1 CLEAN (clean channel), CH-2 LEAD 1 (overdrive channel) and CH-3 LEAD 2

(drive channel). Channel switching is carried out both on the front panel and from the 2-button foot controller that comes

with the preampliﬁer;

џFX LOOP tube eﬀects loop with a choice of operating modes (serial or parallel), switching on / oﬀ separately for clean /

drive channels, control from a two-button foot controller, softening the sound of transistor and digital processing due to

the use of a 12AX7 lamp in the circuit;

џA250K / A1M mode GAIN control for channel CH-3 (LEAD-2). The A250K has a more punchy sound with more pronounced

low frequencies. A1M has balanced high and low frequencies;

џconnecting to the instrument input of a guitar ampliﬁer (as an eﬀects pedal), to the RETURN of a guitar ampliﬁer, or to a

ﬁnal power ampliﬁer (as a preamp);

џbuilt-in speaker simulator for line connection and recording devices;

џdedicated headphone output.

R&R SOUND AMPLIFICATION SL/LD MultiGain PRE-AMPLIFIER

MANUAL 1-3

CH-1 CLEAN (clean channel):

The “GAIN” control plays a key role here, and at low values the sound is well suited for playing picks, drumming rhythms, etc.,

while at high values there is a “glass” - a crystal clear, transparent sound suitable for blues solos. When using powerful

humbuckers and the GAIN control close to the maximum, you can get a slight crunch. Excellent channel dynamics allows you

to highlight the solo with a simple increase in attack. There is a 3-band pre-gain EQ for ﬁne-tuning the sound.

CH-2 LEAD-1 (overdrive channel):

Quite signiﬁcantly overloads the sound. Suitable for playing blues, hard rock and heavy metal from the 70s and 80s. Works

well in other styles that don't require hi-gain overdrive. Transparent, warm, overtone-rich sound, harmonics “shoot” from

under the ﬁngers even at low levels of the GAIN control. The BRIGHT switch will add "glass" to your solos, and the rhythm will

sound sharper. The presence of a 3-band post-gain EQ and a PRESENCE control allow you to create a wide palette of sounds.

CH-3 LEAD-2 (drive channel):

Very dense, aggressive, heavy and fat HI-GAIN overdrive - "that" Californian sound. The stock of gain is incredible. The

warmth and compression of the tube is excellent. The sound is very versatile and is well suited for both GARY MOORE's

stringy solos and the tight rhythm of the heaviest styles. Good readability in low tunings. There is a 3-band EQ located after

the gain. The PRESENCE control will make your part stand out in the mix.

R&R SL/LD MultiGain PRE-AMPLIFIER. OVERVIEW

1-4 R&R SOUND AMPLIFICATION SL/LD MultiGain PRE-AMPLIFIER

MANUAL

џhave the appliance repaired only by qualiﬁed personnel.

џoperation is allowed only under strict observance of all instructions and recommendations set out in this manual.

џdo not store or operate the instrument in high humidity environments.

џdo not place the device in direct sunlight or near heating devices.

џdo not operate the device without reliable grounding.

џwhen connecting to the mains, make sure that the voltage meets the power supply requirements of the device (indicated

on the nameplate or on the cover of the device).

џin the event of a ﬁre, unplug the power cord from the appliance.

џreconnection of cables is carried out only when the equipment is turned oﬀ.

џdo not use excessive force when using the switches and controls.

џavoid touching the heated lamps of the device.

џturn oﬀ the device before replacing the lamps; the cooled lamp must be removed from the base by slightly rocking in

diﬀerent directions.

џwhen replacing lamps, install only serviceable lamps of the appropriate type and in their respective sockets.

џdo not use solvents to clean the body of the instrument, use a clean, dry cloth for this.

џIf the device is not used for a long time, it must be disconnected from the mains.

PRECAUTIONARY MEASURES

CH-3

LEAD-2

LEAD-1

MASTER ROUND

EDGE

OFF

R&R SOUND AMPLIFICATION SL/LD MultiGain PRE-AMPLIFIER

MANUAL 2-1

FRONT PANEL CONTROLS

turn on / turn oﬀ

channel CLEAN CH-1

CLEAN LED

Green indicator of activity of the

ﬁrst channel (CLEAN CH-1).

BASS

Control of the amount of low

frequencies in the signal for the

ﬁrst channel.

CLEAN / LEAD

Select whether the CLEAN channel

(CH-1) or LEAD channels (CH-2

and CH-3) are active.

POWER ROUND/OFF/EDGE

Modes:

ROUND - more viscous,

compressed sound. POWER LED

Red glow power indicator.

MASTER

Output level control (setting the

overall signal level for the three

channels).

OFF - turned oﬀ.

EDGE - sharper, sharper sound.

3 5 6 7

INPUT

GAIN

TREBLE

MID

BASS

CH-1

LEAD

CLEAN

INPUT

Instrument input for connecting a

guitar.

GAIN

Control of the overall gain and

sensitivity of the ﬁrst channel.

TREBLE

Control of the amount of high

frequencies in the signal for the

ﬁrst channel.

MID

Control of the number of mid

frequencies in the signal for the

ﬁrst channel.

BASS

Controls the amount of low

frequencies in the signal for the

second channel LEAD-1 CH-2 and

the third channel LEAD-2 CH-3,

respectively.

2-2 R&R SOUND AMPLIFICATION SL/LD MultiGain PRE-AMPLIFIER

MANUAL

channels LEAD CH-2 и CH-3

18 19 110 111 112 113 11

161514131211

114 11115

GAIN

Controls the overall gain and

sensitivity of the second channel

LEAD-1 CH-2 and the third

channel LEAD-2 CH-3

respectively.

TREBLE

Controls the amount of high

frequencies in the signal for the

second channel LEAD-1 CH-2 and

the third channel LEAD-2 CH-3

respectively.

MID

Controls the amount of mid

frequencies in the signal for the

second channel LEAD-1 CH-2 and

the third channel LEAD-2 CH-3,

respectively.

311

PRESENCE

Transparency control for the

second channel LEAD-1 CH-2 and

the third channel LEAD-2 CH-3

respectively. Allows you to control

higher frequencies than the

TREBLE control.

MASTER

Master volume for the second

channel LEAD-1 CH-2 and the

third channel LEAD-2 CH-3

respectively.

614

LEAD-1 / LEAD-2 (CH-2/CH-3)

Selects the activity of the LEAD-1

CH-2 channel and the LEAD-2

CH-3 channel.

“LEAD-1” LED

Blue glow indicator of activity of

the second channel LEAD-1 CH-2.

“LEAD-2” LED

Indicator of red glow of activity of

the third channel LEAD-2 CH-3.

GAIN

LEAD

CLEAN

MIDTREBLE PRESENCE

BASS MASTER

CH-3

LEAD-2

LEAD-1

CH-2

FRONT PANEL CONTROLS

INPUT

CH1-CH3 FX LOOP POWER AMP LINE OUT REC OUT FX

CH-2

BRIGHT

NORMAL

SERIAL

PARALLEL

PHONES MIX SEND RETURN

123456

CH-3

A250K

A1M

BACK PANEL CONTROLS

R&R SOUND AMPLIFICATION SL/LD MultiGain PRE-AMPLIFIER

MANUAL 3-1

network connection, input / outputs

AC 110V or 230V

Connection to network ~110 Volts

(~230V).

LINE OUT

LINE OUT for connecting to the

instrument output or FX RETURN

loop return of a combo amp.

Designed for switching with more

sensitive outputs compared to the

signal from the POWER AMP

output.

PHONES

Headphone output.

POWER AMP

Output for connecting to the input

of a power ampliﬁer.

REC OUT

Output from the speaker simulator

for connection to a mixer, to

recording devices or to a

computer sound card. Designed

for recording with stack sound

emulation.

INPUT

Instrument INPUT input for

connecting a guitar.

FX LOOP

SERIAL / PARALLEL

Switches from SERIAL FX LOOP to

PARALLEL FX LOOP and vice

versa.

SEND | RETURN

Controls the level of the signal

sent by SEND to and returned by

RETURN from the FX LOOP.

LEAD | CLEAN ON/OF

Turns the eﬀects loop on/oﬀ for

the LEAD channels CH-2 and CH-

3 and the clean channel CLEAN

CH-1 respectively.

MIX

Controls the amount of signal

processed in the FX LOOP in the

overall mix in relation to the

unprocessed signal.

FX SEND | FX RETURN

SEND and RETURN jacks for

connecting external eﬀects.

12345

876

NORMAL

FX SEND FX RETURN

REC OUT

FX SENDLINE OUT

POWER AMP

FX LOOP CH3

CH-2

BRIGHT

PARALLEL

SERIAL MIX SEND RETURN LEAD

FX ON OFF

CLEAN

3-2 R&R SOUND AMPLIFICATION SL/LD MultiGain PRE-AMPLIFIER

MANUAL

modes BRIGHT / NORMAL second channel,

external preamp control

FSW CH-1, CH-2, CH-3 | FSW LOOP

Selects the activity of the CLEAN, LEAD-1, or LEAD-2 channels and controls

the FX LOOP (on/oﬀ) with external 2-button foot controllers FSW CH-1,

CH-2, CH-3 and FSW LOOP respectively.

type, location and purpose of lamps

Channel input CH-1 CLEAN

Channel input CH-2 LEAD-1 and CH-3

LEAD-2

Channels CH-2 LEAD-1 и CH-3

LEAD-2

V3 V4

FX LOOP

V1V2

Tubes 12АХ7 (V1...V5)

iThe delivery set includes only the FSW CH-1, CH-2, CH-3 channel control controller and its execution is

not speciﬁed in this manual.

ATTENTION! Turn oﬀ the power before replacing lamps.

The cooled lamp must be removed from the base by slightly rocking in diﬀerent directions.

When replacing lamps, install only serviceable lamps.

OFF

TURN

BACK PANEL CONTROLS

modes A250K / A1M third channel

A250K / A1M

Controls the GAIN knob for the third channel CH-3 LEAD-2. Switch between

A250K and A1M modes.

CH1-CH3 FX LOOP POWER AMP

CH-2

BRIGHT

NORMAL

SERIAL

PARALLEL

PHONES MIX

CH-3

A250K

A1M

1 2

CH-2 BRIGHT / CH-2 NORMAL

Switches between BRIGHT and NORMAL modes for the second channel

CH-2 LEAD-1. The BRIGHT mode adds brightness to the sound, unlike the

NORMAL mode.

CH1-CH3 FX LOOP POWER AMP

CH-2

BRIGHT

NORMAL

SERIAL

PARALLEL

PHONES MIX

CH-3

A250K

A1M

1 2

WIRING SCHEMES

R&R SOUND AMPLIFICATION SL/LD MultiGain PRE-AMPLIFIER

MANUAL 4-1

PHONES

INPUT

CH1-CH3 FX LOOP POWER AMP LINE OUT REC OUT FX SEND FX RETURN

MIDI FC

Eﬀects pedals

Eﬀects Processor

MIDI IN

INPUT

RELAY

OUT

FSW

CH1-CH3

INPUT

SEND

RETURN

OUTPUT

Recording devices, mixer

Combo ampliﬁer

Ampliﬁer

Cabinets

Two-button foot

controllers

CH1-CH3

LOOP

FSW

LOOP

FSW

CH1-CH3

POWER AMP

POWER INPUT

LINE OUT

INSTR. INPUT / FX RETURN

REC OUT

MIX SEND RETURN LEAD

FX ON OFF

CLEAN

CH-2

BRIGHT

NORMAL

SERIAL

CH-3

A250K

A1M PARALLEL

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