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Security 

Instructions

- Read these instructions carefully.
- Keep them for future reference.
- Heed all warnings.
- Aclam Guitars shall not be held liable for any damage 
to persons or property caused by incorrect operation or 
installation.
- Use the product in accordance with the assembly 
instructions. Do not modify or operate the product 
incorrectly.
- Incorrect installation could result in serious damage to 
persons and property.

- Open the package and check that the assembly 
instructions and all the parts of the product are there. 
Check that none of the parts are defective.
- Keep out of reach of children. This product contains 
small parts that represent a choking hazard if swallowed.
- If you do not understand these safety instructions, 
or if you have any queries regarding the safety of the 
installation, please contact Aclam Guitars: 
[email protected]
- If you wish to contact Customer Services at Aclam 
Guitars, please write to [email protected]

· Unsuitable use
· Incorrect storage
· Explosions or burns caused by incorrect power supplies.
· Other causes not attributable to the manufacturer.
 
To make a claim, the purchaser must return the product to 
the store where it was purchased within one month from 
discovering the fault, and report the nature of the problem, 
the time and the circumstances under which it occurred.

If the product was purchased through our website, the 
purchaser must refer to www.aclamguitars.com and 
complete a RMA (Return to Manufacturer Authorization) 
form before returning the unit.

We strongly recommend looking at the “Troubleshooting” 
section of the manual before panicking!!

This product is covered by a two-year warranty from 
the purchase date, under the conditions and supporting 
evidence regulated by current Spanish Legislation.
The product warranty will only be applicable by presenting 
the proof of purchase (which is the invoice or the receipt) 
and serial number.
A product is covered under warranty if it presents lack of 

conformity because it does not correspond to the specified 

product characteristics, is defective which prevents its 
normal use according to its purpose, or does not function 
as described. The purchaser has the right to have the 
article repaired or replaced (either the product or the faulty 
component, at the discretion of the manufacturer.) 

The warranty is not transferable and won’t cover the 
following issues:

· Attempts of modifications or repairs by an unauthorized 

service center.

Warranty 

Terms

Summary of Contents for DR.ROBERT

Page 1: ...USER MANUAL SAFETY INSTRUCTIONS ...

Page 2: ...examples Setting up on a pedalboard Trouble Shooting Security Instructions Warranty Terms 4 6 7 8 10 11 16 18 22 25 26 27 Index www aclamguitars com C Consell de Cent 201 local 08011 Barcelona Spain Llevinac S L CIF B64412406 Thank you for purchasing the Dr Robert The most accurate replica of the legendary Vox UL730 amplifier ...

Page 3: ...hose amps weren t popularly used at the time and most of them ended being returned to Vox for their disposal Only a small number of UL730 units survived around 20 30 units as some renown Vox connoisseurs state attaining the title of being the most collectable Vox amps with prohibitively collector pricing Now they are the missing link between tube and solid state amps The Dr Robert is based on the ...

Page 4: ...ert suitable for both guitar and bass No low end drops resulting in a prefect preamp and distortion tool to plug directly to the desk or into an amp CUSTOM GRAPHICS BY REVOLVER S COVER ARTIST KLAUS VOORMANN We re so honored to have Mr Klaus Voormann designer of The Beatle s Revolver album cover sign the artwork for the Dr Robert HIGH END COMPONENTS AND TRUE BYPASS SWITCHING We made an extra effort...

Page 5: ...using generic SMPS type adapter which can induce high pitched noise to the audio CAUTION If used improperly batteries may explode or leak and cause damage or injury The use of an incorrect type of battery can void the safeguard mechanisms of the device for example in the case of some lithium battery types Batteries must never be recharged heated taken apart or thrown into fire or water Do not expo...

Page 6: ...10 11 Operating Diagram GUITAR AMP INPUT OUTPUT INPUT Controls INPUT JACK POWER JACK OUTPUT JACK 1 2 3 1 3 2 ...

Page 7: ... pickups will affect the clean range of the Gain knob MIDS This is the most critical knob to tailor your sound Unlike most equalizer circuits which get placed after or before the volume control Vox separated the mids control from the rest of the tone stack in the UL730 In this preamp the signal gets amplified first followed by the Mids control before the volume pot After this Vox placed a special ...

Page 8: ... the lead parts The Mach Schau extra saturation will always be determined by the Gain and Mids knob settings meaning that the heavier your main setting is the grittier this section will build up from Paired with the extra gain circuit there s an independent volume control labelled MS VOL to allow you a better control of this section Easy and simple MACH SCHAU SWITCH Activates the Mach Schau Sectio...

Page 9: ...t screwdriver 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 SIDE TRIM POTS These trim pots are for calibration of the FET stage during the manufacturing process They are not intended to be set by the user so PLEASE DON T MESS WITH THEM or the warranty will be void BASS Sets the amount o...

Page 10: ...obert to amps powered with EL84 and EL34 tubes These examples were fine tuned with different guitars mentioned on each diagram and a Doctor Z Maz 18 amp Mach Schau ON Mach Schau OFF Bypass ON Bypass OFF PAPERBACK WRITER LEAD GUITAR SHE SAID SHE SAID RAIN DR ROBERT Epiphone Casino Gretsch 7120 Epiphone Casino Gibson SG with Maestro Vibrola Epiphone Casino Epiphone Casino MIDS MIDS MS VOL MS VOL MS ...

Page 11: ...PEPPER S RHYTHM SGT PEPPER S LEAD GUITAR Mach Schau ON Mach Schau OFF Bypass ON Bypass OFF Fender Stratocaster Fender Stratocaster Epiphone Casino Epiphone Casino Fender Stratocaster MIDS MIDS MS VOL MS VOL MS VOL MS VOL MIDS MIDS ...

Page 12: ...re reducing the space occupied by each pedal That translates into more pedal density for the same space and who doesn t want that We strongly recommend you to take a look at our line of pedalboards which are the best complement to our pedals Add the anti sliding rubber pad at the bottom of your pedal specially shaped for this unit Surface must be clean and dry before applying adhesive pad 1 HOW TO...

Page 13: ...SES THROUGH IN BYPASS BUT NOT WHEN ENGAGED Make sure you ve connected the input and output jacks correctly PEDAL DOES NOT WORK WITH THE POWER SUPPLY Take a look at your power supply output voltage and polarity Make sure it s 9V DC negative tip with a minimum output of 100 mA PEDAL WON T ENGAGE WITH BOTH THE POWER SUPPLY AND BATTERY Check there s a plug inserted into the Input Jack PEDAL SOUNDS DIS...

Page 14: ...return the product to the store where it was purchased within one month from discovering the fault and report the nature of the problem the time and the circumstances under which it occurred If the product was purchased through our website the purchaser must refer to www aclamguitars com and complete a RMA Return to Manufacturer Authorization form before returning the unit We strongly recommend lo...

Page 15: ...www aclamguitars com ...

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