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Summary of Contents for Two-Rock Emerald 50
- Page 1 Two-Rock Two-Rock Emerald 50 50 Emerald Amethyst Amethyst 50 50 Sapphire Sapphire 100 Owner’s Manual...
- Page 2 Thank you for your purchase of a Two-Rock Two-Rock K & M Analog Designs K & M Analog Designs amplifier from As a discerning guitarist, you know the road to great tone begins with great components. Our classic design, carefully selected parts and hand-built approach combine to make an extremely versatile instrument.
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Page 3: Front Panel Functions
FRONT PANEL FUNCTIONS 1. INPUT JACK- High impedance input to the amplifier. Plug in your instrument here. 2. TREBLE CONTROL- Adjusts the high-frequency response. In the full counter-clockwise position, high frequencies are bypassed to ground. In the full clockwise position, high frequencies are allowed to pass to the next gain stage. - Page 4 8. CLEAN CHANNEL MASTER VOLUME- Adjusts the output level of the clean channel. 9. LEAD CHANNEL SWITCH- Sends the instrument signal through the lead circuit, adding extra stages of gain to the signal and enabling the lead gain and lead master controls. To enable foot switch control of this function, switch must be in the down position.
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Page 5: Rear Panel Functions
REAR PANEL FUNCTIONS 1. A/C INPUT- Connects the amplifier to A/C power via the power cord supplied. Unless otherwise specified, your amplifier is designed to operate on 120 volts A/C, 60 cycles. 2. FUSE- 3 AG Type, slow blow fuse. Refer to the legend below the fuse holder for the proper fuse rating for your amplifier. -
Page 6: Tube Complement
FOOT SWITCH Bypass Lead (Red LED) (Blue LED) TUBE COMPLEMENT V1- 12AX7, Rhythm channel V2- 12AX7, Lead channel V3- 12AT7, Reverb driver V4- 12AX7, Reverb / effects V5- 12AX7, Phase inverter V6, V7- 6L6, Output V8, V9- 6L6, Output (100 Watt only) Tubes are numbered from right to left as you face the rear of the amp. -
Page 7: Getting Started
GETTING STARTED This is designed to be a simple guide. You will, most likely, find your own “sweet spots”. Pictured here are some examples of sample settings, including key points to keep in mind. The input gain (clean channel) will affect the overall gain of the lead channel because the clean signal is fed directly into the lead circuit. - Page 8 EXAMPLE 2 These settings will give you a more mid-boosted, gainier tone in both rhythm and lead modes. EXAMPLE 3 These settings will give you a high-gain clean channel that will be very sensitive to the players touch, especially with humbuckers. Playing hard will make the clean channel distort at these levels.
- Page 9 K & M Analog Designs amplifiers are brought to you by Bill Krinard and Joe Mloganoski. 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.
- Page 10 This is a product of K & M Analog Designs K & M Analog Designs 2249 Schaeffer Road Sebastopol, CA 95472 Serial Number:___________...
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