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Radial Tonebone Headbone VT Valve Tube Amp Head Switcher

Radial Tonebone Headbone VT Valve Tube Amp Head Switcher

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Overview

The Radial Headbone is an advanced amplifier switching device that allows two different guitar amp heads to be used with a single speaker cabinet. With the Headbone, one head could be used for rhythm while a second head could be used for soloing. With 100% discreet Class-A circuitry and choice of either buffered or un-buffered inputs, the Headbone will be of particular interest for players that demand the utmost in tonal performance.
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Product Details

The Radial Headbone is an advanced amplifier switching device that allows two different guitar amp heads to be used with a single speaker cabinet. With the Headbone, one head could be used for rhythm while a second head could be used for soloing. With 100% discreet Class-A circuitry and choice of either buffered or un-buffered inputs, the Headbone will be of particular interest for players that demand the utmost in tonal performance.

The Headbone's internal switching comprises a sequence of relays, photocells, and load resistors, all of which are controlled via a digitally programmed chip. Hit the footswitch and the Headbone toggles the guitar signal from one amp to the other, disconnects the speaker and diverts the signal to a load resister, reconnects the speaker to the second head and turns on the guitar, all in quick succession. The Headbone features SafeMode™ whereby even when power is disconnected; the Headbone will automatically default to 'head-1 to cabinet' status, ensuring a constant load on the amplifier.

Headbone comes equipped with Slingshot™, an easy-to-use switching system that uses any standard footswitch to toggle the Headbone's status remotely, from wherever the footswitch is located. Slingshot lets you keep the amp-to-speaker cables short and efficient and opens up new switching possibilities too.

The Headbone is available in 3 models: The VT for two valve/tube heads, the SS for two solid-state heads and the TS for tube to solid-state amp head switching.

Headbone – another Radial 'power tool' for serious guitarists.

The Radial Headbone combines simplicity with functionality. Hook-up was designed to be intuitive for all users, be they neophyte or experienced technician. Although most will be able to connect and play through the unit immediately, we recommend a thorough reading of the user guide first for best results and safety.

In use, the Cabbone is a model of logical design and offers the professional guitarist the ultimate in creative options on stage through smooth and noise free amplifier switching.

An on-board footswitch toggles between amp heads and large LED indicators monitors the current signal path. Tonebone's versatile Slingshot™ system allows remote controlled switching between heads from any stage position (eg.: a pedalboard) using just regular ¼" to ¼" guitar cables.

 

Specifications
Circuit type:
Proprietary electro-mechanical

Audio Signal Path:

Class-A - 100% discrete componentry
Input impedance:   100 kOhms (direct input)
10 kOhms (bufferd input)
Switching type :

Programmed PIC controlled relay

Relay type and capacity:
Silver plated contacts - 10 million cycles
100 Watts RMS rated
Switching time: 11.2 milliseconds
Outputs: Speaker out
Slingshot™ implimentation

Slingshot™ remote switching input

Footswitch: High-cycle heavy-duty Amp-1 / Amp-2 toggle with status LED's
LED indicators:
Large 3mm OD ultra-bright LED's
Construction:
14 gauge steel, baked enamel finish
Size:
6.85 x 4.5 x 2.12" (175 x 108 x 54mm)
Weight:
2.2lb (1.kg)
 

  Maximum Power Ratings
To switch the speakers inside the Headbone, a relay is used that is rated for 100 Watts (MUSICAL PROGRAM). This 'general' specifications does offer some leeway as detailed below. Please consult your local Tonebone dealer to ensure your system is configured to meet the following specifications:
100 Watt into 4 Ohms = 5.00 Amp RMS
100 Watt into 8 Ohms = 3.54 Amp RMS
100 Watt into 16 Ohms = 2.50 Amp RMS
150 Watt into 4 Ohms = 6.12 Amp RMS (safe)
150 Watt into 8 Ohms = 4.33 Amp RMS
150 Watt into 16 Ohms = 3.06 Amp RMS
200 Watt into 4 Ohms = 7.08 Amp RMS (not reccomended)
200 Watt into 8 Ohms = 5.00 Amp RMS
200 Watt into 16 Ohms = 3.54 Amp RMS
Safety Note: Although the headbone relay is rated to withstand a 10 Ampere load, due to peak power surges and the total power caused by heavily distorted sound, we recommend a 40% minimum safety margin for a maximum 6 Amps of current be applied.
Name Radial Tonebone Headbone VT Valve Tube Amp Head Switcher
Brand Radial Engineering
Condition New
Shipping Option Free Shipping to the Continental U.S.

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