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Related Manuals for JET CITY AMPLIFICATION JCA5012C
Summary of Contents for JET CITY AMPLIFICATION JCA5012C
- Page 1 JET CITY AMPLIFICATION JCA5012C OWNER’S MANUAL...
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Page 2: Important Safety Instructions
● DANGER: RISK OF ELECTRIC SHOCK, DO NOT OPEN ● ATTENTION: RISQUE DE CHOC ELECTRIQUE! ● NE PAS OUVIRIR! ● ACHTUNG: STROMSHLAG GEFÄHRDUNG, NICHT AUFMACHEN! CAUTION: To reduce the risk of electric shock, do not remove cover or open rear panel. No user serviceable parts inside: refer handling to qualified personnel. WARNING: To reduce the risk of fire or electric shock, do not expose this amplifier to rain or moisture. - Page 3 10. Unplug the amplifier during lighting storms or when unused for long periods of time. 11. Refer all servicing 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 apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
- Page 4 You have just purchased the legendary and mysterious ‘333’ tone that many refer to as the ‘voice of god’. Your JCA5012C was designed by the world-renowned tube amp designer Mike Soldano, in SEATTLE, WASHINGTON, and meticulously assembled to assure that it meets the highest quality standards and value.
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Page 5: General Operation
(foot-switch included). GENERAL OPERATION The JCA5012C’s shared EQ controls allow you to dial up the right tone for you and your guitar no matter what your gain and output levels. The two... - Page 6 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 ●...
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Page 7: Front Panel Controls
FRONT PANEL CONTROLS Input Jack: Guitar cable goes here (the other end should probably be in the guitar) CRUNCH Preamp Gain: Adjust the amount of gain (distortion) that the amplifier produces in the CRUNCH Channel. Keep it low for crystal clear cleans, or dial it up for some tube grit. -
Page 8: Rear Panel Features
REAR PANEL FEATURES 1. 120V/230V operating voltage selection switch. 2. AC power input and fuse tray. 3&4. ¼” 8-ohm speaker outputs - for connecting a single 8-ohm speaker cabinet or (2) 16-ohm speaker cabinets. 5. ¼” 16-ohm speaker output - for connecting a single 16-ohm speaker cabinet. 6. - Page 9 “moving the operating point into a more linear range.” If you didn’t understand that, then don’t attempt this yourself! Fixed-bias amps, like your new JCA5012C, allow you to “plug and play” matched power tubes of the same type/model without needing a bias adjustment.
- Page 10 Adding an extension cabinet to a combo requires impedance matching and careful configuration. What are the best speaker cabinets for my JCA5012C? Why, Jet City cabinets, of course! The single-speaker JCA12S, dual-speaker JCA24S, and quad-speaker JCA48S were all designed to get maximum tone out of our amps.
- Page 11 4-ohm output). Um…could you make that a little easier? Sure! Just read the chart below to find what your speaker configuration. Connect your JCA5012C to: Single JCA24S - amp’s 8-ohm out to cab’s 8-ohm (mono mode) input (disconnect the internal speaker) Dual JCA24S - amp’s 4-ohm out to cab 1’s 8-ohm (mono) input (disconnect...
- Page 12 QUICK SETTINGS FOR SELECTED TONES ● CLEAN SETTINGS: Set the CRUNCH Master to about 6 to maximize the amplifiers extended headroom. Now simply use the CRUNCH Preamp control to achieve the 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 give the desired gain and distortion.
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Page 13: Warranty
If this product shows any defects within the specified warranty period that are not excluded under this warranty as described in section 4, Jet City Amplification shall, at its discretion, either replace or repair the product using suitable new or reconditioned parts. - Page 14 This warranty does not cover any such modification/adaptation, irrespective of whether it was executed properly or not. Under the terms of this warranty Jet City Amplification shall not be held responsible for any cost resulting from such a modification/adaptation.
- Page 15 Jet City Amplification. 6 Claims for Damages Failure of Jet City Amplification to provide proper warranty service shall not entitle the buyer to claim (consequential) damages. In no event shall the liability of Jet City Amplification exceed the invoiced value of the product.
- Page 16 0.25 According to OSHA, any exposure in excess of the above permissible limits could result in hearing loss. Ear plug protectors in the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss if exposure is in excess of the limits set forth above.
- Page 17 Specifications Pre-amp ● 5 x 12AX7 Power Amp ● 20 watts Output, ● Class A/B, Fixed Bias (Internally Adjustable) ● 2 x 6L6 Controls ● Pre-amp (gain) – Crunch ● Pre-amp (gain) – Overdrive ● EQ – Bass, Middle, Treble ●...
- Page 18 Colors and specifications may vary slightly from product. Products are sold through Authorized Re-Sellers only. Distributors and dealers are not agents of Jet City Amplification and have no authority to bind Jet City Amplification by any expressed or implied...