Tonebone Radial 500 Series TankDriver Spring Reverb Studio Interface

Tonebone Radial 500 Series TankDriver Spring Reverb Studio Interface

Tonebone Radial 500 Series TankDriver Spring Reverb Studio Interface

Important Notice: This item is non-cancelable and non-returnable
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Expected availability: 7-14 business days 
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Product Highlights

  • Pro-Balanced Spring Reverb Interface
  • For Use in Guitar Amplifier
  • Add Spring Reverb Effects to Recordings
  • Optimized Drive Circuit for Low Noise
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  • 1Description
The Radial TankDriver from Radial Engineering is a 500 series module that allows you to drive a balanced line level signal through the reverb tank in your Fender Twin amplifier. The unit is specifically designed to drive spring reverbs of all types and deliver the long trailing, shimmering effect that is only possible with a true spring.

The design begins with a transformer coupled output driver with normal and high settings for new and old spring reverbs alike. Separate drive and return controls allow signal optimization to maximize the signal to noise ratio. To further tailor the tone, the Tank Driver is equipped with 2 tone controls that let you adjust high-end shimmer and low-frequency boom.

Plug in an instrument and you will hear spring reverb with less noise and wider bandwidth. Plug a microphone pre into it to add spring reverb to voice. Try it with drums to create different sonic spaces. And, if you have more than one amplifier in your studio, you can use different reverbs for different tracks.


Custom drive circuit for spring reverbs
Separate low and high tone controls
Wet-dry mix to control amount of reverb
Low-noise drive circuit for studio recording


100% steel casing reduces magnetic interference from other nearby modules that may cause pollution
Blend knob sets the balance between the original dry signal and the wet signal received from the reverb tank
Drive switch increases the output going to the reverb for less sensitive reverb tanks
Omni insert switch sends the signal to the Omniport TRS on the Workhorse (sold separately), which in this case is a send & receive insert jack
Shimmer knob increases the high-frequency tone of the wet reverb signal
Boom knob increases the low-frequency tone of the wet reverb signal
Send: 1/4" output jack connects to your guitar amp's reverb tank
Receive: Your reverb tank output connects to the front 1/4" receive jack and is converted to a balanced +4 dB line signal
1/4" TRS insert Omniport jack can be used instead of the front panel connectors (tip-send, ring-receive) when used with Radial workhorse racks (sold separately)

Construction and Design

Employs full-size through-hole discrete electronics for optimal signal transfer. Parts are selected by hand
Road-proven Radial push switches feature durable metal outer casing and are rated at over 20,000 cycles for added durability
Double layer front panel with steel construction adds rigidity to reduce stress on the PC board
Transformer isolation eliminates hum and buzz caused by the grouped loops
Dual potentiometers with double up solder points for greater durability; steel casing with steel shaft and retention nut will not bend when under stress
Double-sided gold-plated 15-pin card edge ensures positive connection to the receptacle for improved mating
Mil spec circuit board features double sided PCB and full ground plane to assure low noise and greater durability for years of trouble-free performance


Lets you use your guitar amp's reverb tank
Adds the excitement of old school springs
Creates lush ultra-analog effects
Works in all lunchbox-style racks
In the Box
Tonebone Radial 500 Series TankDriver Spring Reverb Studio Interface
  • Limited 3-Year Warranty on Parts & Labor
  • Table of Contents
    • 1Description
    Circuit Type Drive: Opamp with discrete transistor isolated output
    Maximum Input +19 dBu, rear panel XLR
    Maximum Output +26 dBu, rear panel XLR
    Dynamic Range Drive Section: 101 to 115 dB (varies with frequency)
    Frequency Response Shaped for spring reverb tanks
    Gain +10 dB when drive switch boost is selected
    Input Impedance Front Panel: 10 kΩ unbalanced
    Rear Panel XLR: 15 kΩ balanced
    Output Impedance Front Panel: 1.5 kΩ
    Rear Panel XLR: 200 Ω
    Intermodulation Distortion Dry: 0.0028%
    Wet: 0.0021%
    Noise Drive Section: -100 dB (below 0 dBu)
    Port Omniport Function:
    Line level unbalanced effects loop
    (Tip send - ring receive)
    Power Requirement 65 mA (maximum all LEDs)
    THD + N Receive Section: <0.01% @ -30dBu input level
    Operating Conditions 41 to 104°F (5 to 40°C) for use in dry locations only
    Dimensions (L x W x H) 5.25 x 6.70 x 1.50" (133.35 x 170.18 x 38.10 mm)
    Weight 1.65 lb (0.75 kg)
    Packaging Info
    Package Weight 2.0 lb
    Box Dimensions (LxWxH) 9.0 x 6.5 x 1.65"

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