Mesa/Boogie OOGIEBMESA Owner's Manual download pdf (Page 6)

RECORDING:

1) Always use the supplied A.C. Mains Cord provided and connect the unit to a grounded (3 pin) A.C.outlet. If you experience ground

related hum or buzz, try lifting the Chassis Ground by selecting LIFT on the Chassis Ground switch located on the Rear Panel. Circuit to

Chassis Ground (switch down) is the normal position and should be used - unless you experience a problem with this type of noise. Make

sure that the A.C. cord of the

Recto Preamp

is connected to the same power strip as the Mixing Console and power amp, or powered

monitors. This will help prevent hum or buzz created by different references to ground.”

2) Always begin sessions with the

Recto Pre

by zeroing out the Recording console Channel Input Trim and Output Fader as well as the

Preamp’s RECORD Output Level Control. This preamp is capable of output levels in excess of what some consoles input stages are

designed to accept. Following this simple practice will ensure that all stages of the system including the ears of you and the engineer or

others in the control room, will not be damaged from an unexpected volume surge.

3) When nothing is connected to the EFFECTS LOOP SEND and RETURN jacks, make sure that the EFFECTS MIX control is set to 10%

(all the way down) to prevent signal loss across the pot and associated LOOP circuitry.

4) Use high quality shielded cable of the shortest length possible for the signal between the RECORD OUTPUT jacks and the console’s

LINE INPUT.

5) Make sure the RECORD Outputs are used for connection to the recording console.

6) Make sure the CHANNEL 2 LIVE BRIGHT/WARM RECORD is set to the WARM/RECORD (down) position to ensure the correct

response from the 3 higher gain Lead modes.

7) Make sure the RECORD OUTPUT Level control is set above the “MIN” level mark on the chassis. This practice ensures the best

performance from Channel 2’s three higher gain Lead modes.

8) If you experience unwanted breakup in CHANNEL 1 CLEAN (or FAT with lower BASS control settings) with low front end GAIN settings,

try setting the CHANNEL1 Input Stage switch to -3db. This will pad the grid of the input tube and substantially increase the headroom at

this pre-control stage.

NOTE: As with any system comprised of individual components, all the parts make up the whole. Remember that achieving great results

with this preamp is also dependant on the equipment it is interfaced with. Consoles, power amps and most especially, the playback

monitors are all part of the signal chain and therefor affect the overall tone of the sounds you are dialing. Great care was taken during the

design process to use the

Rectifier Recording Pre

in different environments with a variety of systems and monitor styles and should

work well with most consoles and playback monitors.

PAGE 2

REAR VIEW :

Rectifier Recording Preamp

WARNING

To reduce risk of fire or

electric shock, replace fuse with

same type and rating only. Do not

expose this unit to rain or moisture.

WARNING

To reduce risk of fire or electric

shock, Do not remove cover. No user-

serviceable parts inside. Refer

servicing to qualified personnel.

RECTO~PREAMP

ALL TUBE

RECORDING AMPLIFIER

RECORD

OUT

TO MIX

CONSOLE

LEFT

RIGHT

LIVE

OUT

PWR

AMP

(ALT FX PATCH)

RETURN - L

RETURN - R

EXTERNAL SWITCHES

SEND

CH1 - CH2

SOLO

MODERN

EXT. TRIGGER

TO POWER AMP

10%

100%

FX MIX

NORMAL

117 V~

1 AMP

60 HZ.

POWER

LIFT

GROUND

HANDBUILT IN PETALUMA CALIFORNIA PATENTS PENDING FOR MUTE, RECORDING & SOLO FEATURES TUBES: SIX 12AX7

INPUT

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Mesa/Boogie OOGIEBMESA Owner's Manual Page 6

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