Dr Z Z-Plus Single-Ended 15W 1x12 Combo, Second-Hand


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Dr Z Z-Plus Single-Ended 15W 1x12 Combo, Second-Hand


In stock

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Dr Z Z-Plus Single-Ended 15W 1x12 Combo, Second-Hand Overview

Item in good condition. Minor signs of use (small scratches or marks)

When Joe Walsh approached Dr. Z for a new amplifier for the latest Eagles’ tour, he drew inspiration from his iconic recordings with the James Gang, where he favored small, single-ended Tweed combos. Straying from the path of rehashing old designs, Dr. Z and Joe Walsh decided to elevate the concept by delving into hi-fi audio amplifiers, giving birth to the Z-PLUS.

The Z-PLUS is a parallel, single-ended amplifier operating in a true Class A configuration, delivering a lush clean tone that smoothly transitions into a gritty, harmonic-rich distortion. Its single-ended, Class A operation produces complete even-order harmonics, a characteristic often canceled in traditional push-pull, Class A/B tube amp designs. The outcome is a sparkling and gratifying tone, featuring a full range of 2nd and 4th order harmonics, akin to the clarity of a full-bodied acoustic guitar. Despite the usual limitations of lower clean headroom in class A designs, the Z-PLUS, at Joe Walsh’s request, employs two 6V6 power tubes in parallel, effectively increasing clean headroom for an even more versatile performance.

Power Output 7/15 Watts (half power mode)
Output Tubes 2 – 6V6 (Class A, cathode biased)
Preamp Tubes 4 – 12AX7, 1 – 12AT7
Rectifier 1 – 5AR4
Controls Volume, Treble, Mid, Bass, Cut, Master Volume, Reverb
Other 4, 8, 16 Ohm
Effects loop
Variable Boost Footswitch
Parallel, Single-Ended Design
Configurations 1×12 Studio Combo, 1×12 Ultra Lite Combo
Dimensions & Weight 1×12 Studio Combo: 19 ¼” W, 19 ½” H, 10 ½ ” D; 38 lbs.


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