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The Metal Shredder (Metal Master in Europe) is a 1/2 rack tube guitar preamp, incorporating a speaker simulator (simular to the H&K RedBox), a headphone out, switchable signal outputs,  and a 4.5W solid-state power amp that can drive a Celestion V30!

This unit is in good condition. The knobs are a bit stiff from age, but are not crackly. The two 12AX7 tubes are in good condition. 

From the MicroAmps page on Weebly.com:

The Metal Master with gain dialed up produces a heavy metal guitar tone typical of Led Zepplin, Deep Purple and Black Sabbath.

Despite the name, this mini amp can produce a warm clean sound when set to lower gain levels and the tone can be varied widely with its effective EQ. When desired it will blare out 1980s style screaming metal with the gain turned up. Overall it makes a great head for practice amp or recording DI or as an effect unit in a pedal chain. The

Metal Master is the same form factor as the other
Hughes & Kettner "Sound Machine" low power amps. It is equipped with two 12AX7 (ECC83) valves in the pre-amp, 3 EQ bands and a 4.5W solid-state power amp, which drives speakers through the speaker output. As can be seen in the photo at the right, it is has a wide range of output jacks. These include: tube amp out, instrument out, mix out, cabinetular out (similar in function to a H & K RedBox) and speaker out. It even contains a switchable headphone jack, which makes the unit ideal as a fully featured amp for for quiet practice. Certainly better than those "toy like" practice amps currently available.

Specifications
Preamplifier tubes
2 x 12AX7 preamp tubes
Power Amplifer
4.5W solid-state output transformer
120V AC and 240V / 220V versions

1. Input
Input jack for electric guitar
2. Gain 1
Gain attenuator to control first stage pre-amp gain
A / B / C equalisation (Treble / Mid / Bass)
Bright switch
3. Bypass
Displays state of the bypass switch
On = Tube circuit
4. Gain 2
Gain attenuator to control second stage pre-amp
5. Power
Mains switch
6. Power indicator LED
7. Fuse
0.1W Slo-blo
8. Mains cord
9. Speaker
Speaker power output is 4.5W - 8 Ohm
10. Tube Amp Switch Position
Crunch Master Signal
        Bypass Switch Position
Instrument Signal is on Line/lnstr. Outputs
11. Footswitch
A Standard footswitch plugged into this socket fulfills the same function as Tube Amp / Bypass switch (10).
12. Tube Amp Volume
Controls the output power of the tube stage
Operates on the Speaker Out signal
13. Tube Amp Out
Only Tube Amp signal is available
Produces no signal in with switch set to Bypass position
14. Instr Out
Only instrument signal
Produces no signal at [Instr Out] with switch set to  Tube Amp position
15. Line / Instrument
Switches the outputs 13, 14, 16 and 17 to Line or Instrument level    
Output to:                     Switch Position
      Guitar amp input     Instrument
      Power amp                 Line
      Tape machine           Line
      Mixing desk               Line or instrument    
    Stereo system           Line
16. Mix Out
  Either Tube or Bypass signal is available
17. Cabinetulator Mix Out
Same as Mix Out with added 4 x 12” Celestion
18. Input
Rear Input jack
When used the front input is switched off
19. Headphone Jack
20. Headphone On / Off Switch

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

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Listed9 years ago
ConditionExcellent (Used)
Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more
Brand
Model
  • Metal Shredder (Metal Master) Tube Guitar Preamp
Categories
Year
  • 1988
Made In
  • Germany

Product safety information may be available here.

Jackson Hobbes

Toronto, Canada
Joined Reverb:2015

Reverb Gives

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