Aclam Guitars
Dr Robert V2
Dr Robert V2
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No Hassle Returns
Dimensions
Dimensions
Length 5.4"
Width 3.4"
Height 2.2"
Specifications
Specifications
9V DC Center Negative or
9V Battery
35ma
VOX UL730) "BEATLES" Revolver & Sgt. Pepper
THE MOST ACCURATE REPLICA OF THE ORIGINAL UL730 PREAMP
Sometimes you can’t trust the internet or an old schematic! We’ve found major discrepancies between the published schematic and the real thing, such as component types and values, so we can assure this is the closest you can get to the rarest Vox amp! Following the preamp there’s a custom FET based circuit emulating the saturation produced by the UL730 EL84’s tube power amp section. Additionally, the circuit works with the same voltages found on the original amp thanks to a charge pump circuit which takes the 9VDC from the battery or DC plug and converts it to 18VDC.
(Although based on the UL730 preamp, the UL400 series (designed for bass) shared almost the same circuitry.)
Pedal Secrets
BASS
Sets the amount of low frequency content reaching the FET section. The Treble and Bass controls work together in a tone-stacked manner, so they are a bit interactive.
TREBLE
Controls the amount of high frequency content of the signal before reaching the FET section. Setting this knob will have an effect over the overall gain.
MACH SCHAU! GAIN TRIM
Aclam Guitars has included a Gain trim for the Mach Schau! section. This will allow you to lower the saturation and make it a little bit less aggressive. At high gain settings it’s less effective but a lower gain it will make the Mach Schau! sound a bit gentler. Try it and experiment!
It's just amazing. Great pedal
The effect is quite subtle, underwhelming with single coils..a little better with humbuckers. Built like a tank though. Try before you buy as always