SPL 1160 Manual

SPL Guitarforstærker 1160

Læs gratis den danske manual til SPL 1160 (2 sider) i kategorien Guitarforstærker. Denne vejledning er vurderet som hjælpsom af 30 personer og har en gennemsnitlig bedømmelse på 4.6 stjerner ud af 15.5 anmeldelser. Har du et spørgsmål om SPL 1160, eller vil du spørge andre brugere om produktet?

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Side 1/2

Reducer

Model 1160

Quick Guide

Page 1/2

Input

Security

Advices

Placement

Heat

Select

Impedance

Connect

Amp &

Cabinet

Passive Power Soak For Guitar & Bass Amplifiers • Point To Point Handwired

IMPORTANT: Before connecting an amp, select the appropriate impedance

for it with the front panel Impedance Switch (refer to “Impedance Switch”

on page 2). Never reduce impedance while playing!

The Reducer is a passive device and needs no electrical power. After the impedance is

set, connect guitar amp and cabinet as shown below.

In order to avoid health risks and equipment damage: Do not use this machine anywhere near water (wash basin,

swimming pools, or the like). Only use the connections as described. Never allow any fluids to be spilled or

sprayed on the machine or a foreign object through any of the machine‘s chassis openings.

Never cover or otherwise close off chassis openings to protect the unit from overheating. Never place the unit on

a soft surface (carpet, sofa, etc.). Make sure to provide for a mounting space of 5 cm/2 inches to the sides and top

of the unit when mounting the unit in racks or on cabinets. Placing the unit upon a guitar amplifier is obvious and

intended: the height of the feet is sufficient to also place the Reducer above a handle.

The Reducer converts electrical energy into heat. It can get considerably hot if high energy levels have to be

reduced. This is no reason for concern as long as you ensure to keep the max. input levels listed under “Specs”

on page 2. Side and top panels are cooling surfaces. Only touch with caution! Keep all objects at a safe distance!

Here you connect the amp‘s loudspeaker output. Connector variant and pin configurations follow industry

standards: Unbalanced 1/4" jack (TS) connector with the signal at the tip and ground at the sleeve. As with any

typical amp and cabinet cabling, it is critical to observe loudspeaker cable of a minimum 1.5 mm2 cross section.

Instrument or line cables can lead to amplifier damage! We recommend to use cables with a maximum length of

3 meters/10 feet for lossless signal transmission.

IMPORTANT WARNING ON CONNECTING GUITAR AMPS

Many guitar amps are not designed for sustained maximum level operation, and if run this way, it can lead to

overloads and power amp damage. At high levels, amps can produce high frequency oscillations which can

destroy output transformers. Moreover, this can cause audible unwanted output transformer distortion. Such

problems are not a result of Reducer use, but reside within the guitar amp. Even in situations where you might

wish to push the guitar amp to its limits in conjunction with the Reducer, you should always be sure to allow for

ample power reserves to avoid endangering the amp itself! Therefore we strongly recommend that the guitar

amp should never be run at over 70% of its maximal signal level!

Guitar/Bass AmpCabinet

USE SPEAKER CABLE

Further information: spl.info

Page 1/2

Hook Up

Reducer

Model 1160

Quick Guide

Page 2/2

Output

Reduction

Switch

Reduction

Control

Impedance

Switch

Specs

Passive Power Soak For Guitar & Bass Amplifiers • Point To Point Handwired

At the OUTPUT the amp signal appears as reduced with the front panel controls. It allows for the connection of a

4, 8 or 16 ohm cabinet. Reduction starts at 0 dB (unity gain) followed by two -3 dB and -5 dB switch settings. The

variable values range from -7 dB to infinite. With this “volume control” between amp and cab, the guitar amp can

be driven into saturation also at moderate listening levels.

Connector variant and connections follow industry standards: Unbalanced 1/4" jack connector with the signal

at the tip and ground at the sleeve. As with any typical amp and cabinet cabling, it is critical to observe loud-

speaker cable of a minimum 1.5mm2 cross section. Instrument or line cables can lead to amplifier damage! We

recommend to use cables with a maximum length of 3 meters/10 feet for lossless signal transmission.

With the REDUCTION SWITCH on the left side of the front panel you select the first reduc-

tion values: 0 dB (unity gain), -3 dB, and -5 dB. Selecting the VARIABLE switch position

activates the central REDUCTION CONTROL for further, continuous reduction ranging from

-7 dB to infinite (mute). IMPORTANT: The scaled values are only valid for 8 ohms opera-

tion. With 16 ohms, deviations of reduction values are small, with 4 ohms, the following

values apply: Switch to -3 dB = ca. 5 dB reduction, switch to -5 dB = ca. 10 dB reduction.

As a rule of thumb, reduction values are roughly doubled in 4 ohms operation. The control

range of the Reduction Control at 4 ohms: 0 dB to ∞. Therefore, it does not continue seam-

lessly in fully right position after the -5 dB switch and must eventually be set accordingly.

The central REDUCTION CONTROL is only active when the REDUCTION SWITCH is set to

VARIABLE.

Set fully left mutes the signal, turned fully right results in a power reduction

of -7 dB. A 7 dB reduction can be compared approximately to the volume that results

from a “half power“ setting at guitar amps; usually this is still pretty loud in many situ-

ations.

With the IMPEDANCE SWITCH to the right you select the required impedance for your

amplifier. Check the impedance of your amplifier at its speaker output.

IMPORTANT: Just as with any cabinet connection, selecting an impedance lower than

needed can destroy the amplifier. Therefore, double check selection of the appropriate

impedance before use. Never reduce impedance while playing!

Selecting a higher impedance than necessary does not harm any device. Whenever you

may be in doubt about the required impedance for an amp, select the highest impedance

(16 ohms) – you may lose power, bot not your amp.

Input Socket: 1/4" TS (Mono Jack)

Impedance 4, 8, or 16 Ohms switchable

Max. input load @4 Ohms: 90 W RMS/120 W Peak

@8 Ohms: 200 W RMS/260 W Peak

@16 Ohms: 160 W RMS/180 W Peak

Output Socket: 1/4" TS (Mono Jack)

Dimensions Height 68 mm, 85 mm with feet

Depth 190 mm, 208 mm with controls and sockets

Width 179 mm

Weight 1,8 kg/3.97 lbs

The construction of the REDUCER, Model 1160, is in compliance with the standards and

regulations of the European Cummunity.

Further information: spl.info

Page 2/2

Control Elements

Produkt Specifikationer

Mærke:	SPL
Kategori:	Guitarforstærker
Model:	1160

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