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General Information

 

Starting in 2006 Brad Paisley contacted Dr Z about building another amp. After talking about the design and the 

desired outcome Z asked his friend Ken Fischer to lend a hand. Dr Z built up the prototype amp and sent it off to Ken. Ken 

did his thing to it and sent it back…including naming the amp the Z Wreck. After a few more tweaks the amp was sent off 

to Brad and it has become a mainstay in his rig since 2006. When Ken passed away at the end of ‘06 Dr Z put the amp on a 

shelf and walked away.

Over the past few years the Z Wreck was mentioned by Brad in various interviews and appeared on a few TV shows and of 

course quite a few album tracks. Dr Z got numerous requests to put the amp into production, but always declined. Fast 

forward to May 5th 2010 and the Nashville flood. Brad’s original Z Wreck was not harmed in the flood, but all of his road 

amps were destroyed. Dr Z quickly built 2 replacement Z Wrecks for Brad as the show must go on. This got him 

thinking…why should such a fine sounding amp be left only for one person to play? With encouragement from Brad to 

release the amp Dr Z went over the notes he and Ken had exchanged via fax. Dr Z took into account all of the layout and 

design tweaks he could incorporate and laid the amp out on a clean sheet of paper with an all new aluminum chassis and 

birch head cabinet.

Every component on the Z Wreck was placed with the utmost attention to short wire lengths and increased separation 

between the front end and the output section. The heart of the amp is the output transformer designed by Ken for Dr Z in 

the early 2000s. Also on board is a newly designed power transformer which incorporates a multi tapped secondary that 

allows for 2 different plate voltage settings: Comfort and Speed. Speed yields a strong attack with increased clarity and 

dynamic headroom. Every note rings clear in the clean settings and they absolutely scream when the amp is pushed to its 

natural overdriven voice. The comfort setting drops the plate voltage down for more of a vintage feel. The softer response 

and overall sweetness of the comfort setting really make it difficult to put the guitar down.

The touch response of the Z Wreck is unequalled. Settings below 12:00 on the volume yield a rich clean sound with no 

signs of harshness. A 12 string Ric will be right at home for mid 60s Liverpool bliss. Once past 12:00 on the volume you can 

dial in excellent crunch all the way up to full blooming sustained drive sounds. Does the Z Wreck ROCK? YES!!! Does the Z 

Wreck TWANG? YES!!! The Z Wreck will deliver exactly what your hands and guitar give it. With the amp volume past noon 

you can roll your guitar volume back for articulate full bodied clean sounds and turn it up full for excellent drive. The Z 

Wreck truly is a plug and play amp. 

You may be asking "why the matching 2x12 cab?" As stated earlier the Z Wreck was designed on a clean sheet of paper 

and the cab is no exception. The included 2x12 open back cab comes standard with a Celestion Blue and Celestion Gold 

wired in series at 16 ohms. This speaker combination in an open back 2x12 is the true voice of the Z Wreck. 

Other standard features include a matching set of covers from Studio Slips with the Z Wreck logo embroidered in the 

lower corner. Dr Z has acquired a massive amount of NOS Russian 6N14N-EV 7189 (EL84) tubes to use in the Z Wreck. 

These output tubes were chosen because of their superior sonic qualities and excellent life span. A speaker cable and AC 

cord are also included with the Z Wreck.

Power Output

30 Watts

Output Tubes

4  - 6N14N (EL84) Cathode Biased

Preamp Tubes

3  - 12AX7

Rectifier

1  - 5AR4

Controls

Volume, Bass, Treble, Cut

Configurations

Quantum Silver Set (Head & 2x12 Cab - Celestion Blue/Gold 

standard), Navy Blue 1x12 Combo (Celestion Gold), Stand Alone 

Head is also available.

Colors

Quantum Silver Set : silver tolex with hardwood fronts. 1x12 

Combo: navy blue. Head (Stand Alone): red, blonde, black.

Dimensions & Weight

Head: 20 5/8”W x 9 1/2”D x 9 1/8”H, 38 lbs. 2x12 Cab: 27 

1/2”W x 10”D x 21 1/2”H, 61 lbs. 1x12 Combo: 22 1/2"W x 10 

1/2"D x 20"H, 53 lbs. 

Specifications

Summary of Contents for Z-Wreck ZA-31

Page 1: ...Z Wreck Manual Model ZA 31 www drzamps com ...

Page 2: ...hments 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 caution when moving the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service per...

Page 3: ...to its natural overdriven voice The comfort setting drops the plate voltage down for more of a vintage feel The softer response and overall sweetness of the comfort setting really make it difficult to put the guitar down The touch response of the Z Wreck is unequalled Settings below 12 00 on the volume yield a rich clean sound with no signs of harshness A 12 string Ric will be right at home for mid ...

Page 4: ...lugged 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 11 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...

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

Page 6: ......

Page 7: ...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 44137 34...

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