Z-PLUS Head

By Dr. Z Amplification

A Joe Walsh collaboration: a true parallel single-ended Class A head using two 6V6 power tubes for full even-order-harmonic tone with more headroom than a typical single-ended design.

Z-PLUS Head by Dr. Z Amplification

About this amp

Developed with Joe Walsh, the Z-PLUS is a parallel single-ended Class A design using two 6V6 power tubes in parallel (rather than push-pull) to preserve the full even-order-harmonic richness of single-ended amps while gaining the clean headroom a single tube can’t offer. A half-power switch drops one 6V6 out for more touch-responsive drive. Spring reverb, footswitchable boost, hand-wired.

Specs

Z-PLUS Head specifications
Power Output 7/15 Watts (half-power mode)
Output Tubes 2x 6V6, Class A, cathode biased, parallel single-ended
Preamp Tubes 4x 12AX7, 1x 12AT7
Rectifier Tube (5AR4)
Controls Volume, Treble, Mid, Bass, Cut, Master Volume, Reverb
Other 4/8/16 ohm, Effects loop, Variable Boost Footswitch, Parallel Single-Ended Design
Dimensions 19in W x 9.75in H x 9.5in D
Weight 32 lbs

Quick answers

How much does the Z-PLUS Head cost?
Dr. Z Amplification sells through dealers and doesn't publish a price; their dealer locator lists where to buy.
Is the Z-PLUS Head still available?
Yes. Dr. Z Amplification lists it as a current model that's available to order.
Who makes the Z-PLUS Head?
Dr. Z Amplification, building gear since 1988. Where it's built: Hand-wired in Cleveland, Ohio. It's listed here as a tube head amp.
What warranty does Dr. Z Amplification offer?
Three-year limited warranty for the original owner who bought new from an authorized dealer in the contiguous 48 United States. Product registration is required. Tubes and speakers carry a 90-day warranty. Cosmetic damage, accidents, misuse and unauthorized service are not covered. The owner pays shipping to Dr. Z and Dr. Z pays return shipping after warranty service. Repairs on used amps carry a $100 minimum bench charge and a 90-day warranty. The Z-Drive, ZEQD Pre and Variable Boost Footswitch Ver. 2 carry a transferable lifetime warranty through EarthQuaker Devices.
How long is the wait for Dr. Z Amplification gear?
Current models are sold through authorized dealers, and the X-RAY is built to order in the Cleveland shop. Legacy Series amps are made to order and sold direct to USA customers only.