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Front Panel:

Rear Panel:

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1.

 

Input: 

Input jack for your guitar. Hi is for normal use. LO has 3 dB less gain. Use LO with Humbucker 

equipped guitars for a cleaner sound.

2. Volume:

 

Controls overall gain. Set over half way for over-driven sounds. Set below half way for cleaner 

sounds.

3. Treble: 

Controls overall high frequency response.

4. Mid: 

Controls overall mid frequency response.

5. Bass: 

Controls overall low frequency response.

6. Cut: 

Controls overall tone/presence of amp. Turn clockwise for chime.

7. Master: 

Controls overall amp volume and output tube compression.

8. Stand-By:

 

Leave in off posi�on for 1 minute when powering up the amp. Turn on for play. Place in off 

posi�on for extended break periods.

9. Power:

 

Switch up to turn on amplifier. Switch down to turn off amplifier.

10.

 

Power Indicator: 

Lights up when power is switched on. If bulb fails replace with type T47.

11.

 

EQ bypass footswitch jack: 

Plug supplied single bu�on footswitch in here. This will enable you to engage 

the EQ bypass/gain boost mode. 

The new variable boost footswitch features an added knob to control the amount of 

boost. Simply turn this knob clockwise to increase the amount of boost.

12. Send Jack:

 

Plug “In” effects here.

13. Send Jack: 

Plug “Out” here.

14. 4 OHM Speaker Jack: 

Plug in 4 ohm speaker here. Always have a speaker plugged into the amp when it is powered 

on. Always match the speaker impedance to the proper speaker out jack. This will allow the amp to sound its best and 

avoid damage.

15. 8 OHM Speaker Jack: 

Plug in 8 ohm speaker here. Always have a speaker plugged into the amp when it is powered 

on. Always match the speaker impedance to the proper speaker out jack. This will allow the amp to sound its best and 

avoid damage.

16. 16 OHM Speaker Jack: 

Plug in 16 ohm speaker here. Always have a speaker plugged into the amp when it is 

powered on. Always match the speaker impedance to the proper speaker out jack. This will allow the amp to sound its 

best and avoid damage.

17. Fuse: 

The fuse protects the amp from electrical faults. Replace only with the same ra�ng and type stated below fuse 

holder (1.5A 250v SLO BLO). If the amp repeatedly blows the fuse contact your dealer or Dr Z Amps.

18. AC Inlet: 

(Class I Wiring). This device is used for disconnec�on from power mains and must remain readily opear

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able. The power indicator light does not indicate connec�on to power mains. The power cord must be disconnected to 

disconnect amplifier from power mains. 

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Summary of Contents for MAZ 18NR

Page 1: ...MAZ 18NR MAZ 38NR Manual Model ZA 18 ZA 20 www drzamps com ...

Page 2: ...ments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use cau on when moving the cart apparatus combina on to avoid injury from p over 13 Unplug this apparatus during lightning storms or when unused for long periods of me 14 Refer all servicing to qualified service personnel ...

Page 3: ... off and AC cord is unplugged when changing tubes Always use cau on not to burn your fingers as tubes become very hot quickly With moder ate usage output tubes should last 6 months to a year Changing Pre Amp Tubes When pre amp tubes fail it usually results in a sta c type noise or a ringing micro phonic type sound Pre amp tubes are easily replaced We recommend replacing them with the same brand type...

Page 4: ...y turn this knob clockwise to increase the amount of boost 12 Send Jack Plug In effects here 13 Send Jack Plug Out here 14 4 OHM Speaker Jack Plug in 4 ohm speaker here Always have a speaker plugged into the amp when it is powered on Always match the speaker impedance to the proper speaker out jack This will allow the amp to sound its best and avoid damage 15 8 OHM Speaker Jack Plug in 8 ohm speake...

Page 5: ...MADE IN USA MODEL ___________________ SERIAL NUMBER ___________ INPUT VOLTAGE ____________ ...

Page 6: ......

Page 7: ...ectrical equipment designed for use within certain voltage limits This declaration certifies compliance with the indicated directives but implies no warranty of properties The safety instructions of the accompanying documentation shall be observed This declaration of conformity is issued under the sole responsibility of the manufacturer Issuer Dr Z Amplification 17011 Broadway Ave Maple Heights OH...

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