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7.

 REVERB SEND 

- The reverb send control determines the amount of signal applied to the 

reverb tank. Low settings will create short decay times. Advancing the control clockwise increases 
the signal applied to the tank for longer decay times.  Use this control in conjunction with the 

REVERB

 (front panel) control. 

 
8.

 S/N

- Your serial number is located here.  We strongly suggest that you record this number and 

have it handy in case you need service, or in the event that your amp is lost, stolen, or damaged. 

 

9

. FOOT SWITCH

- The footswitch connects here with the included stereo TRS cable.  The LEAD 

and BYPASS functions can be activated via the footswitch.  Front panel switches must be in the 
down position for the foot switch to function. 

 

FUSE CHART 

 

Fuse Chart:  All Fuses are 3AG Type 250 Volt SLO-BLO 

 
 

 

 

 100V  

  120V        220/230/240 

40 and 50 Watt: 

2.5amp 

2.5amp 

1.6amp 

100 Watt: 

 

3.2amp 

3.2amp 

2.5amp 

 

 
 

FOOTSWITCH 

 

 

LEAD

 

(BLUE) 

- Switches amp into overdrive mode 

BYPASS (RED) 

- Switches amp into a tone stack bypass mode 

 

Summary of Contents for Bloomfield Drive 100

Page 1: ...Two Rock Bloomfield Drive 100 50 40 OWNERS MANUAL ...

Page 2: ...e with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers plugs and the point where they exit from the apparatus 9 Protect the power cord from being walked on or pinched particularly at plugs and the point where they exit from the apparatus 10 Only use attachments accessories specified by the manufacturer 11 Unplug this apparatus during lightnin...

Page 3: ...sition the tone will be somewhat scooped of mid range response emphasizing the highs and lows In the full clockwise position mid range frequencies are allowed to pass to the input gain stage 7 MID Boosts the mid range frequency response 8 BASS Adjusts the bass response In the full counter clockwise position low frequencies are cut In addition the response of the treble and mid range controls is gr...

Page 4: ...o control how much signal is passed to any pedal that is inserted into the effects loop 16 PRESENCE Adjusts the contour of high frequency response The high frequency response will increase as you advance the control clockwise 17 STANDBY Should be in the STANDBY position when you apply power to the unit After a few seconds place the switch in the ON position to use the amplifier You may leave the u...

Page 5: ...tput from 40 to 20 watts with no impedance mismatch 5 SPEAKER OUTPUT There are three sets of speaker output jacks 4 8 16 ohms Be sure to match the impedance of your cabinet with the impedance output of the amplifier We do not recommend connecting more than one cab at a time For multiple cabs a splitter is the best option NEVER OPERATE YOUR AMPLIFIER WITHOUT A PROPER SPEAKER LOAD CONNECTED 6 EFFECT...

Page 6: ...umber and have it handy in case you need service or in the event that your amp is lost stolen or damaged 9 FOOT SWITCH The footswitch connects here with the included stereo TRS cable The LEAD and BYPASS functions can be activated via the footswitch Front panel switches must be in the down position for the foot switch to function FUSE CHART Fuse Chart All Fuses are 3AG Type 250 Volt SLO BLO 100V 12...

Page 7: ...With meter grounded to chassis and probe at test point measure voltage A reading of 0 030 to 0 032 volts is normal for 50 and 100 Watt amplifiers with 2 or 4 6L6 s respectively A reading of 0 020 to 0 022 volts is normal for 40 watt amplifiers If not in this range adjust by turning bias screw SLOWLY a small amount Do not set above these ranges A note about tubes This is an analog tube device Much ...

Page 8: ...ons or comments that you may have We look forward to hearing from you PHONE 1 707 584 TONE 8663 M F 9am 5pm PST FAX 1 707 584 8661 ADDRESS Two Rock Amplifiers 619 Martin Avenue Suite 5 Rohnert Park CA 94928 WEB www two rock com PRECAUTIONS DO NOT expose to rain or any other moisture DO NOT use cleaning solvents Wipe exterior with a clean dry cloth only Refer servicing to a qualified service techni...

Page 9: ...This is a product of Two Rock Amplifiers LLC Two Rock 619 MARTIN AVENUE SUITE 5 ROHNERT PARK CA 94928 707 584 8663 www two rock com SERIAL NUMBER _____________________________ ...

Page 10: ...e following technical regulation Directive Device Low Voltage Equipment 2014 35 EU Electromagnetic Compatibility 2014 130 EU Conformity with the following standards The measurements made in accordance with the procedures according to the European Council Directive and EN Standards Council Directive and EN Standards EN 55103 1 2009 A1 2012 EN 55103 2 2009 EN61000 3 2 2006 A1 2009 A2 2009 EN61000 3 ...

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