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Technical Information

Guitar Speaker CabinetE412

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8

8

8

8

R

R

L

L

E412cabinet:wiring

diagram

INPUT

LEFTjack

THRU

RIGHTjack

MONO

STEREOswitch

8

8

8

8

L

L

R

R

8: 8 ohms speaker impedanceR: speaker right side right stereo channelL: speaker left side left stereo channeloverall impedance Mono mode:8 ohmsoverall impedance Stereo mode:2 x 16 ohms

Important note:ensure that the Mono / Stereo switchis set to "Stereo"before you connectthe cabinet to 2 poweramp outputs!switch setting:

E412 cabinet:Front layout

E412 speaker cabinet:rear connection panel

SPEAKER CABINET

STEREO

MONO

RIGHT

THRU

LEFT

INPUT

R

1. basic technical information to all ENGL 412 speaker cabinets

THRU / RIGHT INPUT jackin Mono mode:you can use this jack as thru connectorto route the signal to an additional cabinet,

refer to example #3;in Stereo mode:use this jack as input connectorfor the right speaker side (R;)INPUT / LEFT jackin Mono mode:use this jack as input connector;in Stereo mode:use this jack as input connectorfor the left speaker side (L);MONO / STEREO switchselect Mono or Stereo mode;

Mono mode:4 speakers overall impedance 8 ohms;Stereo mode:2 speakers each stereo channel,16 ohms impedance per channel;

STEREO

MONO

STEREO

MONO

Monomode

StereomodeThe following pages depicts a few

samples for diverse setups betweenamplifiers an speaker 412 cabinets.

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8

8

8

8

L

L

R

R

8

8

8

8

L

L

R

R

8

8

8

8

L

L

R

R

LoLeadBottom

ChIIGain

Ch IGai n

HiLeadBottom

Bri g h t Bo t t o m

Bass

Bass

Mid-open

Middle

Mid-focused

Treble-Clean

Treble

Treble-Crunch

LoLeadVol.

CleanVolume CrunchVolume

HiLeadVol.

open/focusedCh I/II

GainLo/Hi

MasterA

Presence

MasterB

DepthPunch

PowerTubeMonitor

V 1 V 2 V 3 V 4

Input

PowerStandBy

Powerball

Amp

Tube

R

6L6GCpowered

LoLeadBottom

ChIIGain

Ch IGai n

HiLeadBottom

Bri g h t Bo t t o m

Bass

Bass

Mid-open

Middle

Mid-focused

Treble-Clean

Treble

Treble-Crunch

LoLeadVol.

CleanVolume CrunchVolume

HiLeadVol.

open/focusedCh I/II

GainLo/Hi

MasterA

Presence

MasterB

DepthPunch

PowerTubeMonitor

V 1 V 2 V 3 V 4

Input

PowerStandBy

Powerball

Amp

Tube

R

6L6GCpowered

2. one100 watts amp head combined with one ENGL 412 speaker cabinet

SPEAKER CABINET

RIGHT

THRU

LEFT

INPUT

R

Amp head: Poweramp Output

8 Ohms Parallel1 x 8 Ohms

2 x 16 Ohms

4 Ohms Parallel1 x 4 Ohms2 x 8 Ohms

16 Ohms

4 8Or 8And Or-> 8 16Or 16And 16

3. one 100 watts head combined with two ENGL 412 speaker cabinets

STEREO

MONO

set toMono

412 cabinet:rear connection panel

SPEAKER CABINET

RIGHT

THRU

LEFT

INPUT

R

Amp head: Poweramp Output

8 Ohms Parallel1 x 8 Ohms

2 x 16 Ohms

4 Ohms Parallel1 x 4 Ohms2 x 8 Ohms

16 Ohms

4 8Or 8And Or-> 8 16Or 16And 16

STEREO

MONO

set toMono

412 cabinet #1:rear connection panel

SPEAKER CABINET

RIGHT

THRU

LEFT

INPUT

R

STEREO

MONO

set toMono

412 cabinet #2:rear connection panel

option 1

option 2

option 1 & 2

speaker impedance: 8 ohmsoutput impedance: 8 ohms

speakerimpedance:cabinet #18 ohms;cabinet #2

8 ohms;connectedin parallel:4 ohms;outputimpedance:4 ohms;

use eitheroption 1:cabinet #2connectedto the4 ohmsPowerampOutputoroption 2:cabinet #2connectedto THRU

jack of

cabinet #1

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8 Ohms Parallel1 x 8 Ohms or 2 x 16 Ohms

16 Ohms4 Ohms Parallel1 x 4 Ohms or 2 x 8 Ohms

8

8

8

8

L

L

R

R

LoLeadBottom

ChIIGain

Ch IGai n

HiLeadBottom

Bri g h t Bo t t o m

Bass

Bass

Mid-open

Middle

Mid-focused

Treble-Clean

Treble

Treble-Crunch

LoLeadVol.

CleanVolume CrunchVolume

HiLeadVol.

open/focusedCh I/II

GainLo/Hi

MasterA

Presence

MasterB

DepthPunch

PowerTubeMonitor

V 1 V 2 V 3 V 4

Input

PowerStandBy

Powerball

Amp

Tube

R

6L6GCpowered

LoLeadBottom

ChIIGain

Ch IGai n

HiLeadBottom

Bri g h t Bo t t o m

Bass

Bass

Mid-open

Middle

Mid-focused

Treble-Clean

Treble

Treble-Crunch

LoLeadVol.

CleanVolume CrunchVolume

HiLeadVol.

open/focusedCh I/II

GainLo/Hi

MasterA

Presence

MasterB

DepthPunch

PowerTubeMonitor

V 1 V 2 V 3 V 4

Input

PowerStandBy

Powerball

Amp

Tube

R

6L6GCpowered

8

int.

Gain 2 Middle Treble Volume 2Input Bass

HiGain

Gain 1 Middle Treble Volume 1 Depth PunchBass Presence

Bright

Master BMaster A

PowerStandBy

RAIDER100

MasterA/B

FXLoop

Reverb

Reverb

MidBoost

off / onCH 1

Power Tube Monitor

V 1 V 2 V 3 V 4

CleanBright

CH 1CH 2

Amp

Tube

8

8

8

8

L

L

R

R

internalspeaker

4. two 100 watts amp heads or a Stereo Poweramp (e.g. E850) combined withone ENGL 412 speaker cabinet set to stereo mode

SPEAKER CABINET

RIGHT

THRU

LEFT

INPUT

R

Amp head #1: Poweramp OutputStereo Poweramp: Left channel

8 Ohms Parallel1 x 8 Ohms2 x 16 Ohms

4 Ohms Parallel1 x 4 Ohms2 x 8 Ohms

16 Ohms

4 8Or 8And Or-> 8 16Or 16And 16

STEREO

MONO

set toStereo

412 cabinet:rear connection panel

Amp head #2: Poweramp OutputStereo Poweramp: Right channel

8 Ohms Parallel1 x 8 Ohms

2 x 16 Ohms

4 Ohms Parallel1 x 4 Ohms

2 x 8 Ohms

16 Ohms

4 8Or 8And Or-> 8 16Or 16And 16

5. a 100 watts combo amp combined with one ENGL 412 speaker cabinet

SPEAKER CABINET

RIGHT

THRU

LEFT

INPUT

R

STEREO

MONO

set to

Mono

412 cabinet:rear connection panel

internal speakerimpedance:8 ohmscabinet speakerimpedance:8 ohmsconnected in parallel

results 4 ohmsoutput impedance:4 ohms

Combo Amp: Poweramp Output

speaker impedance:16 ohms Left side16 ohms Right sideoutput impedance:16 ohms

at each powerampor stereo channel

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Gain

Bright UltraGain

Input

Depth

Ba ss Mi dd l e T re bl e Pre s en ce Mas ter A Mas ter B

PowerStand By

FireballPower Tube

Monitor

V 1 V 2

Amp

Tube

Gain

Bright UltraGain

Input

Depth

Ba ss Mi dd l e T re bl e Pre s en ce Mas ter A Mas ter B

PowerStand By

FireballPower Tube

Monitor

V 1 V 2

Amp

Tube

8

8

8

8

L

L

R

R

8

8

8

8

L

L

R

R

8

8

8

8

L

L

R

R

6. one 50 watts amp head combined with one ENGL 412 speaker cabinet

SPEAKER CABINET

RIGHT

THRU

LEFT

INPUT

R

7. one 50 watts head combined with two ENGL 412 speaker cabinets

STEREO

MONO

set toMono

412 cabinet:rear connection panel

SPEAKER CABINET

RIGHT

THRU

LEFT

INPUT

R

Amp head: Poweramp Output

STEREO

MONO

set toMono

412 cabinet #1:rear connection panel

SPEAKER CABINET

RIGHT

THRU

LEFT

INPUT

R

STEREO

MONO

set toMono

412 cabinet #2:rear connection panel

speaker impedance: 8 ohmsoutput impedance: 8 ohms

speakerimpedance:cabinet #18 ohmscabinet #2

8 ohmsconnectedin serial:16 ohmsoutputimpedance:16 ohms

8 16Or 16And Or-> 16 8Or 8And

16 OhmsSerial1 x 16 Ohms(UseLeftJack!)

2 x 8 Ohms

8 OhmsParallel1 x 8Ohms2 x 16 Ohms

8 16Or 16And Or-> 16 8Or 8And

16 OhmsSerial1 x 16 Ohms(UseLeftJack!)

2 x 8 Ohms

8 OhmsParallel1 x 8Ohms2 x 16 Ohms

Amp head: Poweramp Output

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Gain

Bright UltraGain

Input

Depth

Ba ss Mi dd l e T re bl e Pre s en ce Mas ter A Mas ter B

PowerStand By

FireballPower Tube

Monitor

V 1 V 2

Amp

Tube

Gain

Bright UltraGain

Input

Depth

Ba ss Mi dd l e T re bl e Pre s en ce Mas ter A Mas ter B

PowerStand By

FireballPower Tube

Monitor

V 1 V 2

Amp

Tube

8

8

8

8

L

L

R

R

8

8

8

8

L

L

R

R

internalspeaker

8

int.

CleanLead

ReverbLead

Volume MasterC l ean L ead Bass Mi d dl e T reb le

PowerStandBy

Bright

Screamer 50

GainLo/Hi

Amp

Tube

InputLead

Presence

8. two 50 watts amp heads or a Stereo Poweramp (e.g. E840) combined withone ENGL 412 speaker cabinet set to stereo mode

SPEAKER CABINET

RIGHT

THRU

LEFT

INPUT

R

STEREO

MONO

set toStereo

412 cabinet:rear connection panel

9. a 50 watts combo amp combined with one ENGL 412 speaker cabinet

SPEAKER CABINET

RIGHT

THRU

LEFT

INPUT

R

STEREO

MONO

set to

Mono

412 cabinet:rear connection panel

internal speakerimpedance:8 ohmscabinet speakerimpedance:8 ohmsconnected in serial

results 16 ohmsoutput impedance:16 ohms

8 16Or 16And Or-> 16 8Or 8And

16 OhmsSerial1 x 16 Ohms(UseLeftJack!)

2 x 8 Ohms

8 OhmsParallel1 x 8Ohms2 x 16 Ohms

8 16Or 16And Or-> 16 8Or 8And

16 OhmsSerial1 x 16 Ohms(UseLeftJack!)

2 x 8 Ohms

8 OhmsParallel1 x 8Ohms2 x 16 Ohms

Amp head #1: Poweramp OutputStereo Poweramp: Left channel

Amp head #2: Poweramp OutputStereo Poweramp: Right channel

speaker impedance:16 ohms Left side16 ohms Right sideoutput impedance:16 ohms

at each powerampor stereo channel

8 16Or 16And Or-> 16 8Or 8And

16 OhmsSerial1 x 16 Ohms

(UseLeftJack!)2 x 8 Ohms

8 OhmsParallel1 x 8Ohms2 x 16 Ohms

COMBO: INTERNAL SPEAKER

Combo Amp: Poweramp Output

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ENGL Gertebau GmbH

Internet: www.engl-amps.com

Text, design, grafics and layout byHorst Langer, ENGL Amp Desinger