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Summary of Contents for JET CITY AMPLIFICATION JCA22H
- Page 1 JET CITY AMPLIFICATION JCA22H OWNER’S MANUAL...
- Page 2 ● 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 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 JCA22H 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 JCA22H’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 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 ● 20 watts of tube power ● Tube-buffered serial effects loop ● Parallel 8 and single 16-ohm speaker outputs ●...
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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 JCA22H, allow you to “plug and play” matched power tubes of the same type/model without needing a bias adjustment.
- Page 10 Every guitar amplifier actually consists of two primary parts: amp and speaker. In combos, the speaker has already been matched to the amp. Since the JCA22H is only the amp, you will need to connect it to suitable speakers. There are some basic ground rules for this.
- Page 11 Um…could you make that a little easier? Sure! Just read the chart below to find what your speaker configuration. Connect your JCA22H to: Single JCA24S amp’s 8-ohm out to cab’s 8-ohm (mono mode) input Single JCA48S amp’s 16-ohm out to cab’s 16-ohm (mono mode) input Dual JCA48S amp’s 8-ohm out to cab 1’s 16-ohm (mono) input...
- 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 EL84 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...
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