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Summary of Contents for Two-Rock Crystal 22
- Page 1 Two-Rock Crystal 22/40/50/100 OWNER’S MANUAL...
- Page 2 Dear Customer, Thank you for your purchase of a Two-Rock amplifier! As a discerning guitarist, you know the road to great tone begins with g reat components. Our Classic Design, carefully selected parts and hand-built approach combine to make an extremely versatile instrument. Please take the time to read this manual. We hope it will answer any questions that you may have. We extend a warm welcome to you as a member of a select group of musicians who have chosen a Two-Rock. Important Safety Instructions 1. Read these instructions 2. Keep these instructions 3. Heed all warnings 4. Follow all instructions 5. Do not use this apparatus near water 6.
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Page 3: Front Panel Functions
Front Panel Functions INPUT JACK - High impedance input to the amplifier. Plug in your instrument here. TREBLE - Adjusts the high frequency response. At lower settings of this control the tone will be warmer and smoother. As you turn this control up the highs become more prominent and aggressive adding gain to the signal as well. - Page 4 GAIN with Pull Bright switch - Adjusts the overall gain of the amplifier. Start with this control in the 12 o’clock position then adjust to taste. This control determines the initial character of your tone, from cleaner/brighter tones at low settings to fatter/warmer tones at higher settings. As you turn this control up it also introduces more gain and bass into the signal path, and reduces the amount of available clean headroom especially when the master volume is set higher.
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Page 5: Rear Panel Functions
Be sure to match the impedance of your cabinet with the impedance (output) of the amplifier. Effects Loop – The effects loop on this amplifier is a passive type of loop, see FAQ on two-rock.com Effects Send - Use this jack to send the amplifiers signal to outboard effects. -
Page 6: Fuse Chart
Fuse Chart All Fuses are 3AG Type 250 Volt, SLO-BLO Export 100V: Domestic 120V: Export 220V, 230V, 240V: 2A – 22/35/40 Watt 2A – 22/35/40 Watt 1A - 22/35/40 Watt 2.5A - 50 Watt 2.5A - 50 Watt 1.6A - 50 Watt 3.2A - 100 Watt 3.2A - 100 Watt 2.5A - 100 Watt... -
Page 7: Bias Procedure
BIAS PROCEDURE: Make sure the speaker is connected properly, then power up the amplifier. Set the rear panel power mode switch to Full or Hi DO NOT apply any signal to the input during the biasing procedure! Insert volt meter’s positive probe into the bias test point socket (located underneath the chassis) Connect volt meter’s negative probe to chassis ground Switch amp out of standby and allow a few seconds for the circuit to stabilize Set voltmeter to millivolt scale (or lowest volt scale 60 millivolts =.060 volts.) - Page 8 We know your new Two-Rock amplifier will provide many hours of enjoyment and inspiration in the years to come. This manual is a resource for some of your questions. Please contact us with any other questions or comments that you may have. We look...
- Page 9 Two-Rock Amplifiers, LLC 619 MARTIN AVENUE, SUITE 5 ROHNERT PARK, CA 94928 707-584-8663 www.two-rock.com SERIAL NUMBER: _____________________________...
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