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Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp   

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The Tonebone PZ-Pre Acoustic DI Box Preamp is equipped with piezo acoustic input signal boosters to allow both add-on instrument pickups and built-in...Read More

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OVERVIEW

Lets you combine add-on pickups and built-in active preamps!

The Tonebone PZ-Pre Acoustic DI Box Preamp is equipped with piezo acoustic input signal boosters to allow both add-on instrument pickups and built-in, integral active preamps to be combined for a more natural rendering. It is compact yet full featured, designed for both studio and live performance.

The Tonebone PZ-Pre instrument preamp begins with two inputs for two instruments, which can be toggled using the toggle footswitch. If you want to use two pickups on a single guitar, a unique Mix function is provided that converts the two channels from "either-or" to both. There are separate level controls for each input.

The tone shaping on the PZ-Pre preamplifier is simple yet extremely musical. It features powerful bass and high controls with a semi-parametric mid. This is supported with a feedback eliminating notch filter with variable frequency sweep control and choice of normal and extra deep notch filtering. To help eliminate troublesome resonance, a dual slope low cut (high pass filter) is also provided. An internal polarity reverse can also be engaged to help eliminate run-away feedback.

To augment on-stage performance, the PZ-Pre Direct Box Preamp is equipped with a combination power booster and effects loop bus. This allows you to introduce an effect such as a chorus, or boost the signal for soloing with a simple foot stomp. A separate tuner out has also been provided along with a mute footswitch for on-the-fly tuning.

To facilitate all kinds of monitoring, the Radial PZ-Pre offers the most comprehensive output array ever: A standard instrument amp output sends the instrument signal to your personal amplifier. A pre-EQ balanced lo-Z balanced output is used to route the flat, pre-equalized signal the signal to the front of house mix position, while a second XLR out is post-EQ for onstage monitoring and in-ear systems so that the musician can get the sound he wants. XLR outputs are equipped with polarity reverse and ground lift.

Like all Radial products, the PZ-Pre features heavy-duty 14-gauge construction and is supported with a 3-year transferable warranty. Comes equipped with an external 15VDC power supply.

FEATURES
  • Piezo acoustic input signal boosters
  • Designed for studio and live performance
  • Unique Mix function
  • 1 -gauge construction

Radial DIs are for those who are militant about their tone. See why. Order with the protection of our 45-day lowest price and total satisfaction guarantees.

SPECIFICATIONS

Tonebone PZ-Pre Acoustic Direct Box Preamp

  • External 15VDC power supply
    Input impedance regular: 6.8 kOhm
    Input impedance piezo: 10 MOhm
    PZB boost level: 10dB
    Low cut roll-off pos-1: 75Hz
    Low cut roll-off pos-2: 220Hz
    Notch frequency range: 56Hz to 330Hz
    Notch Q setting-1: 8dB
    Notch Q setting-2: 15dB
    Low frequency type and spec: Shelving type +/- 12dB @ 75Hz corner freq
    Mid frequency range, type and spec: Parametric +/- 12dB 82Hz to 5.6Khz
    High frequency type and spec: Shelving type +/- 12dB @ 7.5Khz corner freq
    Boost level: 12dB
    Effects send & receive : -10dB, Send 1 kOhm, Return 15 kOhm
    Polarity Switch: 180 degrees (absolute phase reversal)
    Input-1: 1/4" unbalanced
    Input-2: 1/4" unbalanced
    Insert send & receive: Send 1 kOhm, Return 15 kOhm
    Output instrument: Hi-Z, coaxial, 1 kOhm
    Output Tuner: Hi-Z, coaxial 6.8 kOhm
    Pre-EQ: XLR male balanced mic level 600 ohms
    Post-EQ: XLR male balanced mic level 600 ohms
    Dimensions: 8" x 4-1/4" x 1-3/8" (203x108x35mm)
Reviews
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Review Snapshot

by PowerReviews
Radial EngineeringTonebone PZ-Pre Acoustic Direct Box Preamp
 
4.9

(based on 16 reviews)

Ratings Distribution

  • 5 Stars

     

    (14)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Excellent sound (10)
  • Easy to use (9)
  • Good power output (7)
  • Portable (6)
  • Warm / comfy (5)

Cons

No Cons

Best Uses

  • Performances (9)
  • Home studio (5)
  • Outdoor events / games (3)
  • Professional recording (3)
    • Reviewer Profile:
    • Professional musician (7), Experienced (3)

Reviewed by 16 customers

Displaying reviews 1-10

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Previous | Next »

 
5.0

You must have this!

By Worship Pastor

from VA

About Me Professional Musician

Verified Buyer

Pros

  • Easy To Use
  • Excellent Sound

Cons

    Best Uses

      Comments about Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp:

      When the tech at the board (digital) is grinning and says that sounds great and give me more gain and more EQ, you know you made the right purchase. My only problem now is what Radial pedal to buy next!

       
      5.0

      Best piece an acoustic player can own

      By Acoustic acrobat

      from Cleveland OH

      About Me Professional Musician

      Verified Buyer

      Pros

      • Easy To Use
      • Excellent Sound
      • Good Warmth
      • Portable
      • Powerful

      Cons

        Best Uses

        • Performances

        Comments about Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp:

        I perform solo and depend on a power sound from my guitar that people can feel. The tonebone delivers a clean solid bass, allows me to EQ pretty precisely giving me great clarity and it allows me to split a signal for recording and monitor moxing. Great for running multiple guitars through.

         
        5.0

        best i;ve ever used.

        By jim

        from new york

        About Me Professional Musician

        Verified Buyer

        Pros

        • Easy To Use
        • Excellent Sound
        • Powerful

        Cons

          Best Uses

          • Events
          • Home Studio
          • Performances
          • Professional Recording

          Comments about Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp:

          this is a must have piece of equipment for the gigging musician who plays multiple instruments. the naturaal acoustic sound is amazing and switching on the fly has never been easier. construction is bulllit proof.

           
          5.0

          Absolutely Phenomenal!

          By Mibbly

          from Bay Village, Ohio

          About Me Professional Musician

          Ask me a question

          Pros

          • Easy To Use
          • Excellent Sound
          • Good Warmth
          • Portable
          • Powerful

          Cons

            Best Uses

            • Home Studio
            • Performances

            Comments about Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp:

            Takes a bit of finagling to get it just right, but paired with a Realist Lifeline on my upright bass and I have great volume and sound with no feedback!

            (0 of 1 customers found this review helpful)

             
            5.0

            PERFECT FOR ME

            By Callfox

            from Wisconsin

            About Me Experienced

            Ask me a question

            Verified Buyer

            Pros

            • Excellent Sound
            • Powerful

            Cons

              Best Uses

              • Home Studio
              • Performances

              Comments about Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp:

              Finally found the Pre/DI I've been looking for. My onboard Preamp died, and never did sound good. Always had a metallic tone to it. Plugged the hole and ran the body piezos and soundhole pick up out the back, both passive. I plug them into the Radial and mix them. Great sound and control.
              I may replace the GTR's preamp to have EQ on both imputs or just add EQ before the PZ-pre.

              On my other GTR, the pre still works, so with a quick change on the PZ-Pre to accept the active signal of the under saddle piezo and imput 2 takes the sound hole pick up and away we go.
              This also solves the problem of only being able to use the equalizer on 1 of the imputs. I use the GTR's onboard EQ for 1 imput and the Radial's EQ for the other imput. Works fine.

              THANKS RADIAL for a GR8 product. Will get others you offer. FX go into the loop easily. A line up to my PA and one to my amp and it's show time.

              Tuner jack to the Peterson strobe comes in real handy also.

              Seems to be built like a tank. Hope to have it for many years.

              (1 of 1 customers found this review helpful)

               
              5.0

              Simply The Best

              By Philco

              from Toronto, Ontario

              About Me Professional Musician

              Verified Reviewer

              Pros

              • Easy To Use
              • Excellent Sound
              • Good Warmth
              • Portable
              • Powerful

              Cons

                Best Uses

                • Home Studio
                • Performances
                • Professional Recording

                Comments about Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp:

                I've been a gear head and a tube snob all my life. I have so much equipment I can start my own music store. I'm in the process of selling every single bit of it. The only thing I need is my guitars, my Yamaha THR-10, My Bose L2 PA and my Tonebone PZ-Pre. I can pack everything in the trunk of a car and fill a large hall with enough sound to please several hundred people. Get the Tonebone ... you won't be disappointed.

                (3 of 4 customers found this review helpful)

                 
                5.0

                love it

                By M.Doctor

                from Gainesville FLA!

                About Me Professional Musician

                Verified Buyer

                Pros

                • Easy To Use
                • Excellent Sound
                • Good Warmth
                • Portable
                • Powerful

                Cons

                  Best Uses

                  • Performances

                  Comments about Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp:

                  I run a square neck dobro with a Fishman spider bridge pickup and an acoustic with an L. R. Baggs M1 through this thing. I bought the Fishman Jerry Douglas imaging pedal (for a ridiculous price mind you) for the dobro and hated it. There was very little control. The Tonebone is the complete opposite. The thing is awesome. I dont need an A/B switch anymore, the boost gives the extra punch when soloing, I have complete control of my EQ and the effect loop works perfect. Not to mention the added bonus of the mute button. Gigged with it the same day it arrived left for the weekend and played 4 shows in 3 days and havent looked back. LOVE this thing. Boom.

                  (1 of 1 customers found this review helpful)

                   
                  5.0

                  Really versatile

                  By Doofus1

                  from Richlands VA

                  About Me Experienced

                  Ask me a question

                  Pros

                  • Easy To Use
                  • Excellent Sound

                  Cons

                    Best Uses

                    • Performances

                    Comments about Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp:

                    I play acoustic guitar, mandolin and upright bass on stage and was looking for a professional-quality pre that I could easily plug them all into. Although there are only two inputs, most of the time that's enough. What really amazed me, though, is how little tweaking I have to do when switching between instruments. When I'm going from acoustic guitar to mandolin, all I really have to do is cut out most of the "Low." Otherwise, the tone is excellent for both instruments.

                    I did notice, however, that making sure you've matched the Tonebone to the correct pickup type (magnetic or piezo), makes a HUGE difference. If they aren't matched, the sound is thin and noisy.

                    Still, I mostly use the Tonebone through a Roland AC60 (except with the bass) and could not be more pleased. The "Boost" switch is very handy for solos. My only wish is that it also had compression, reverb, and chorus thrown in. If it did, I'd never need another acoustic box.

                    (5 of 5 customers found this review helpful)

                     
                    5.0

                    Flexible and Mighty

                    By SpiderChile

                    from Fort Smith, AR

                    About Me Experienced

                    Ask me a question

                    Verified Buyer

                    Pros

                    • Easy To Use
                    • Excellent Sound
                    • Portable

                    Cons

                      Best Uses

                      • Events
                      • Home Studio
                      • Performances
                      • Professional Recording

                      Comments about Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp:

                      I have a bunch of acoustic instruments that I want to play through an amp. I started with a classical guitar. I added a D-tar Soundspot which I played with externallly and eventually wired in permanently. The ToneBone is great because it has two input channels both of which are switchable to active or inactive pickups. Thus my steel string guitar with active pickup can be played through one channel and the classical guitar with the inactive Soundspot can go through the other. The two channels are switchable with a foot switch when you want to change instruments or they can both be active at the same time. The tone controls are easy to understand and offer great flexibility. There is a "boost" pot which is activated by another foot switch. Lastly there is a mute foot switch for tuning etc. Lots of other great features. I can't find anything to criticize.

                      (3 of 3 customers found this review helpful)

                       
                      4.0

                      Love it!

                      By alanasdansing

                      from Fort Collins, CO

                      About Me Professional Musician

                      Verified Buyer

                      Pros

                      • Easy To Use
                      • Excellent Sound
                      • Good Warmth
                      • Great tone
                      • Great Volume Boost
                      • Lots of options
                      • Portable
                      • Powerful

                      Cons

                        Best Uses

                        • Amateur Recording
                        • Events
                        • Performances

                        Comments about Radial Engineering Tonebone PZ-Pre Acoustic Direct Box Preamp:

                        I play viola in a rock band. I have tried other pre amps and eventually just bought a Roland AC 90 to use as a preamp/monitor. Though at most gigs I will still use the AC 90 as a monitor the Tonebone has added IMMENSELY to the sound. I can't believe it has taken me this long to buy it. In many cases I don't even need the amp anymore to hear myself. The boost feature is a great bonus and works perfectly as you can adjust the volume of the boost or run loops through that feature.

                        I've only owned it for a few weeks however. I'll be interested to know how long the electronics hold up. I'd also like to have reverb and effects features in one box (I use other pedals now for that). However for the price I'd say this is 100% worth it and necessary if you want to play an acoustic stringed instrument (violin, viola, cello, bazuki etc.) in a rock band.

                        Displaying reviews 1-10

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