K&M Analog Designs Two-Rock Ruby Manuel utilisateur

R u b y

INPUT

PRESENCE

Two-Rock

Owner's Manual

Page 1

Thank you for your purchase of a

Two-Rock amplifier from K&M Analog Designs, LLC.

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.

Please take the time to read this manual. We hope it will

answer any questions 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 amplifier.

FRONT PANEL FUNCTIONS

1. INPUT JACK- High impedance input to the amplifier. Plug in your

instrument here.

2. BRIGHT SWITCH- Boosts the high frequency response. This is most

effective when the input gain is set at 12 o’clock or lower. The effect is less

dramatic as the input gain control is adjusted past the 12 o’clock position.

3. INPUT GAIN- Adjusts the overall gain of the amplifier. Start with this

control in the 12 o’clock position. Keep in mind that the amount of gain set

here determines the signal level feeding the lead channel. Low gain settings

of this control will require higher lead gain settings for the same amount

of overdrive.

4. 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.

5. MIDDLE CONTROL- Adjusts the mid-range response. In the full counter-

clockwise position, the tone will be somewhat "scooped" of mid-range

response, emphasizing the highs and lows. In the full clockwise position,

mid-range frequencies are allowed to pass to the next gain stage.

6. BASS CONTROL- Adjusts the bass response. In the full counter-clockwise

position, low frequencies are cut. In addition, the response of the treble and

mid-range controls is greatly reduced. In the full clockwise position, low

frequencies are allowed to pass to the next gain stage.

7. MASTER - Adjusts the overall output level of the amplifier

Page 2

Two-Rock

Ruby

MIDDLE BASS PRESENCE

GAIN MASTERINPUT TREBLE

STANDBY

1 2 3 4 5 6 7 8 9

Bright ON

LOOP

BYPASS

8. PRESENCE CONTROL- Adjusts the contour of high-frequency

response. The high-frequency response will increase as you advance the

control clockwise.

9. LOOP BYPASS- This switch bypasses the effects loop.

10. INDICATOR LAMP- This lamp will illuminate when the power switch is in

the “up” position, indicating the unit is receiving A/C power.

NOTE: All switches are ON in the "up" position.

Page 3

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. (50 watt-2.5 amp /100 watt-

3.5 amp)

3. POWER SWITCH- Turns the power on.

4. INPEADANCE SELECTORI

5. SPEAKER OUTPUT JACKS- There are 2 speaker output jacks

NEVER OPERATE YOUR AMPLIFIER WITHOUT A PROPER SPEAKER

LOAD CONNECTED. Be sure to match the impedance of your cabinet with

the impedance (output) of the amplifier.

6 EFFECTS SEND- Use this jack to send the amplifiers signal to outboard effects.

7. EFFECTS RETURN- Use this jack to connect the output of your effects to the

amplifier.

Page 4

Two-Rock, CA

1 2 3 4 6 7

A/C120VOLTS

60CYCLES

FUSE

2.5AMP

SLO-BLO

SPEAKER OUTPUTS

4 16

SEND RETURN

EFFECTS LOOP

K&M Analog Designs

Manufacturedby:

MADE IN U.S.A.

S/N

POWER

Two-Rock, CA

TUBE COMPLEMENT

V1- 12AX7, Pre Amp

V4- 12AX7, effects

V3- 12AX7, Phase inverter

V4, V5- EL34, Output

Each fine production tube is tested and matched to our exacting

specifications. Individual bias controls are provided for each output, as well

as phase-balance adjustment. This ensures maximum tube life, power, and

performance.

NOTE: Please do not attempt to adjust tube bias or phase balance. Refer service

to qualified service person only.

LINE CORD- For your safety, connect to grounded A/C receptacle only.

Page 5

Front

Rear

The Tube Location

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.

Please contact us with any other questions or comments

you may have. We look forward to hearing from you!

PHONE: 1.707.584.TONE (8663) (M-F 9am – 5pm PST)

FAX: 1.707.584.8661

MAILING ADDRESS: K&M Analog Designs, LLC

619 Martin Avenue, Suite 6

Rohnert Park, CA 94928

E-MAIL: Joe Mloganoski, Product Specialist

[email protected]

Bill Krinard, Chief Engineer

[email protected]

INTERNET: www.two-rock.com

PRECAUTIONS:

Do not expose to rain or any other moisture

Do not use cleaning solvents. Wipe exterior with a clean,

dry cloth only.

Refer servicing to a qualified service technician.

Page 6

This is a product of

K & M Analog Designs, LLC

619 Martin Avenue, Suite 6

Rohnert Park, CA 94928

Serial Number:___________

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