HandBox
 

R-400 MINI HEAD


 

'''The Handbox R-400: incredible tone in a hand-made, no-compromise head.'''

Simple to use, compact and lightweight, we created and refined the R-400 in collaboration with working musicians, using a wide range of active & passive basses.

PREAMP:
The preamp utilises three 12AX7 (ECC83) tubes. Unlike the starved-plate designs of most common hybrid heads, it's pure tube with no silicon diodes, getting you even closer to the sound of a full-tube head.

POWER SECTION:
We use a classic A/B power supply based on an efficient toroidal transformer and large capacity electrolytic capacitors, delivering a powerful 400W into a 4ohm load.
An optical limiter ensures you're always running within safe limits, and the R-400's on-board fan is thermally managed and controlled to ensure the amp runs smoothly at high volumes.

CASE:
The R-400 is available in two styles, both offering effective protection during transport.

* FLIGHT CASE: Aluminium construction, with stained and varnished ply.
* STANDARD: Ply housing, covered with black lacquer or veneered Tolex and metal corners.

Both styles include a front plate to protect the front panel, secured using two flightcase latches.
The back of the R-400 is open enough to allow easy access to the rear panel features, without compromising protection.

DIMENSIONS:
* WxHxD: 375mm x 108mm x 315mm
* Weight: 10.5kg

FRONT PANEL FEATURES:
* ÂĽ" input jack
* MUTE switch
* BRIGHT / DARK switch: Engaged: +3dB @ 100Hz, -3dB @ 750Hz, +2dB @ 10 kHz
* DRIVE switch: (The DRIVE switch raises the level of the signal at the input stage by about 6dB – great for heavier genres, or for instruments with lower output).
* INPUT GAIN: Using the INPUT GAIN, you can access a wide range of tones - from crystal clear to a fat, saturated harmonic crunch. 

* BASS / TREBLE
* CONTOUR: Introduces 0 to -12dB @ 1kHz
* OUTPUT VOLUME
* 3-state LED indicator: PROTECT / READY / LIMIT.
* LINE OUT DI: a professional-quality DI, with PRE / POST gain and GROUND LIFT switches.


REAR PANEL FEATURES:
* POWER SWITCH
* FUSE ACCESS
* 2 x SPEAKON speaker connectors
* EFFECTS SEND & RETURN


 


 

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