Hughes & Kettner Switchblade 50 Combo handleiding

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Hughes & Kettner

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Handleiding

Switchblade

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FACTORY SETTING: MIDI CHANNEL = 1, OMNI = ON

Note: OMNI ON is helpful if you are unsure via which channel

a connected MIDI device sends its messages.

During the MIDI setup routine, the LEDs that normally indicate the

preamp Channel indicate the MIDI Channel. The following table MIDI

Channel lists the MIDI Channel settings in what is called binary code:

MIDI-Kanal Boost Clean Lead Ultra

Press and hold SERIAL for a few moments to quit the MIDI setup

routine and store the settings. The amp returns to its most recent

operating status (normal mode).

6.3 Factory Settings and Factory Reset

A factory reset is a seldom needed feature. Nevertheless, be sure to

read the explanation carefully to ensure you don’t accidentally delete

your presets.

6.3.1 Triggering a Factory Reset

If you press STORE and FX SERIAL simultaneously while powering the

amp, all settings are reset, including the 128 MIDI-switchable presets

and the basic MIDI configuration.

6.3.2 Factory Presets and Basic MIDI Configuration

The Switchblade is delivered ex-factory with 64 different presets

(memory slots 1-64). In the memory slots 65-125 you will find copies

of the first 64 presets. You may find a list of all the presets on the

accompanying sheet.

The basic MIDI configuration is:

• OMNI ON • MIDI Channel: 1

• FX ON is switched off. • SERIAL is deactivated.

Caution: This procedure is a last-resort option! It irrevocably wipes out

all stored settings.

6.4 Storing Settings/Programming

You have two options for storing a preset to one of the 128 memory

slots: Select a new memory slot via MIDI (6.4.1) or overwrite the

preset directly at the device (6.4.2).

6.4.1 Selecting a New Memory Slot via MIDI Learn

• Press the STORE button briefly; it lights up to signify that it is armed

(MIDI Learn).

• Select a MIDI bank from 1 to 32 on the FSM 432; it flashes to signify

that the FSM 432 is waiting for input via one of the four preset

buttons A to D.

• Engage preset button A,B,C or D; the board stops flashing, the light

on the STORE button extinguishes, and the preset is stored.

Caution: When the FSM 432 is in DIRECT MODE (see chapter 6.1.2),

a BANK UP/DOWN command also triggers the storage process! We

recommend deactivating Direct Mode when programming to prevent

inadvertent overwriting of presets.

Note: Here’s how to proceed for other manufacturers’ MIDI boards

and MIDI-enables devices: Arm SWITCHBLADE by engaging the

STORE button and selecting the desired memory slot. As soon as

SWITCHBLADE receives a valid program change command, the STORE

button extinguishes and the preset is stored.

If an error occurs (the amp remains armed), you can cancel the storage

process by pressing STORE again.

6.4.2 Overwriting Presets Directly at the Device

There is an easier way to overwrite the most recently selected preset

than going from the amp to the MIDI board and back after every edit:

Press and hold the STORE button until its light extinguishes (after

about two seconds). The ORIGINAL VALUE and the Channel LEDs also

flash to confirm. Then you can release the STORE button and your

settings are stored.

7 Replacing Tubes, Service

and Preventive Maintenance

SWITCHBLADE is factory-loaded with EL34 and 12AX7 tubes. Once

they’ve been burned in – that is, operated continuously under a load –they

are subjected to a rigorous selection process. Their electrical specs and

mechanical status (microphonics) are checked, and then they are installed

in an amp and their sonic performance is auditioned. One of the most

important steps in this process is tube matching, whereby tubes with the

same characteristics are teamed up in matched sets of power tubes.

When to Replace Tubes

The tubes in SWITCHBLADE are exemplary in terms of quality,

workman-ship and long service life. Nonetheless, tubes show definite

signs of wear when their service life is nearing its end. Telltale signs are

increased microphonics, noise and hiss, muddier tone through loss of

high-end frequencies, degraded performance, etc. Take these indications

seriously and replace old tubes. Not only do these side effects take their

toll on sound quality, they also indicate the aging tube will soon fail!

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