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independent preamp and master controls give you great stage versatility by 
allowing you control over each channel’s gain level AND individual output 
levels. 

 

FEATURES 

 

2-Channels with independent preamp and master volume controls 

CRUNCH and OVERDRIVE 

 

50 watts of tube power 

 

100-watt, 12” Jet City Custom Eminence speaker  

 

Tube-buffered serial effects loop 

 

Parallel 4-ohm, parallel 8-ohm and single 16-ohm speaker outputs 

 

Included FS-1 foot-switch for channel switching 

 

CRUNCH Channel Preamp Gain: Adjust the amount of gain (distortion) that 

the amplifier produces in the CRUNCH Channel. 

 

OVERDRIVE Preamp Gain: Adjust the amount of gain (distortion) in the 

OVERDRIVE Channel. The higher the preamp setting the more overdriven 

the sound will be. 

 

BASS, MIDDLE and TREBLE: allow you to control the tone. 

 

CRUNCH Master Volume: will let you adjust how loud the CRUNCH 

Channel’s output will be. 

 

OVERDRIVE Master Volume: will let you adjust how loud the OVERDRIVE 

Channel’s output will be, independent of the CRUNCH Master Volume. 

 

PRESENCE: adds an overall brightness, which can be handy when trying to 

cut through in a ‘dead’ room. 

 

Summary of Contents for JCA5012C

Page 1: ...JET CITY AMPLIFICATION JCA5012C OWNER S MANUAL...

Page 2: ...NS 1 Read and keep these instructions 2 Heed all warnings and follow all instructions 3 Do not operate near water 4 Clean only with a dry cloth 5 Do not block any ventilation openings Install in accor...

Page 3: ...icing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power cable or plug damage liquid has been spilled or objects have fallen into the app...

Page 4: ...e may be you will enjoy the versatility portability and long term durability of this kick ass tube driven rock tone factory Wait huh what You didn t buy a Jet City extension cabinet yet Huh No stack W...

Page 5: ...der warranty WELCOME TO JET CITY The Jet City Amplification JCA5012C is a 50 watt 2 channel guitar amp combo with independent preamp and master volume controls for each channel The tone controls shape...

Page 6: ...nel switching CRUNCH Channel Preamp Gain Adjust the amount of gain distortion that the amplifier produces in the CRUNCH Channel OVERDRIVE Preamp Gain Adjust the amount of gain distortion in the OVERDR...

Page 7: ...of the 3 band EQ for adjusting middle frequencies 6 TREBLE Part of the 3 band EQ for adjusting high frequencies 7 CRUNCH Master Volume will let you adjust how loud the CRUNCH Channel s output will be...

Page 8: ...hm speaker cabinet or 2 16 ohm speaker cabinets 5 16 ohm speaker output for connecting a single 16 ohm speaker cabinet 6 foot switch input for connecting the included FS 1 foot switch 7 Effects send o...

Page 9: ...y a good rule of thumb is to replace your power tubes once a year and your preamp tubes every other year However it is entirely possible for tubes particularly preamp tubes to last decades Here are so...

Page 10: ...does that relate to my JCA5012C Your amp has outputs on the back marked 4 ohm 8 ohm and 16 ohm You need to pick the correct output for your speaker configuration To be specific if your speaker cabinet...

Page 11: ...8 ohm mono input disconnect the internal speaker amp s 2nd 4 ohm out to cab 2 s 8 ohm mono input Single JCA48S amp s 16 ohm out to cab s 16 ohm mono mode input disconnect the internal speaker Dual JCA...

Page 12: ...he desired tone and volume HIGH GAIN SETTINGS Switch to the OVERDRIVE channel Initially the OVERDRIVE Master should be set to a low level somewhere between 1 3 and the OVERDRIVE Preamp turned up to gi...

Page 13: ...cretion charge the customer for these parts If the warranty claim proves to be justified the product will be returned to the customer freight prepaid Warranty claims other than those indicated above a...

Page 14: ...used by the following conditions are not covered by warranty Improper handling neglect or failure to operate the unit in compliance with the instructions given in the Jet City Amplification user manua...

Page 15: ...l the liability of Jet City Amplification exceed the invoiced value of the product 7 Other Warranty Rights And National Law The warranty does not exclude or limit the buyer s statutory rights provided...

Page 16: ...amplification system in order to prevent a permanent hearing loss if exposure is in excess of the limits set forth above To ensure against potentially dangerous exposure to high sound pressure levels...

Page 17: ...r Volume Crunch Master Volume Overdrive Presence Stand by switch Toggle Power Switch Toggle Speaker 100 watt 12 Jet City Eminence Custom speaker Foot switch FS 1 included for channel switching Power T...

Page 18: ...City Amplification nor the affiliation of the trademark owners with Jet City Amplification Jet City Amplification accepts no liabilities for any loss which may be suffered by any person who relies who...

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