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Table of Contents
Related Manuals for Samson MIXPAD
Summary of Contents for Samson MIXPAD
- Page 1 Produced by On The Right Wavelength for Samson Technologies Corp. Copyright 1996, 1997, Samson Technologies Corp. Printed February, 1997 Samson Technologies Corp. 575 Underhill Blvd. P.O. Box 9031 Syosset, NY 11791-9031 Phone: 1-800-3-SAMSON (1-800-372-6766) Fax: 516-364-3888...
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Page 2: Table Of Contents
Guided Tours 4 MIXPAD 12/9 Channels 4 MIXPAD 12/9 Main Section 8 MIXPAD 12/9 Jackfield 10 Connecting the MIXPAD 4 Carrying Strap 11 MIXPAD 4 Channels 12 MIXPAD 4 Main Section 16 MIXPAD 4 Jackfield 18 Connecting the MIXPAD 19... -
Page 3: Introduction
This manual covers three models: the MIXPAD 12, MIXPAD 9, and MIXPAD 4. The first two of these are identical apart from the fact that the MIXPAD 12 provides six monophonic and three stereo input... -
Page 4: Mixpad Features
Here are some of the MIXPAD’s main features: • In the MIXPAD 12, a total of twelve input channels (including three stereo channels); in the MIXPAD 9, a total of nine input channels (including three stereo channels);... - Page 5 • Convenient front-panel Power switch, Power LED and dedicated headphone jack. • The MIXPAD 4 runs on either AC or battery power (requiring just two standard 9 volt batteries—three if you need phantom power), with optional battery power available for the MIXPAD 12 and MIXPAD 9...
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Page 6: Guided Tours
Guided Tour - MIXPAD 12 /MIXPAD 9 Channels TRIM LINE HIGH AUX1 AUX 2 LEVEL Mono Channel MONO HIGH AUX1 AUX 2 BALANCE LEVEL Stereo Channel... -
Page 7: Guided Tour
MIXPAD 12 / MIXPAD 9 Channels 1: Mic inputs - Provided in monophonic channels only (channels 1 - 6 in the MIXPAD 12 and channels 1 - 3 in the MIXPAD 9). Use these electronically balanced XLR jacks to connect microphones to any of the MIXPAD’s monophonic channels. - Page 8 MIXPAD 12 / MIXPAD 9 Channels Balance control)—see the “Using Pan/Balance” section on page 28 for more information. See the “Connecting The MIXPAD” section on page 19 for additional information on how best to use channel inputs. 4: Equalizer (violet) - These knobs determine the amount of boost or attenuation in each of two frequency areas.
- Page 9 7: Balance (brown) - Provided in stereo channels only. When both inputs are connected to a stereo channel, the upper input signal (channels 7, 9, and 11 in the MIXPAD 12 and channels 4, 6, and 8 in the MIXPAD 9) is automatically panned hard left and the lower input signal (channels 8, 10, and 12 in the MIXPAD 12 and channels 5, 7, and 9 in the MIXPAD 9) is automatically panned hard right.
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Page 10: Mixpad 12/9 Main Section
1: Tape/CD inputs (L, R) - Use this set of dual RCA jacks to connect the outputs of a tape or CD player to the MIXPAD. In the MIXPAD 12, signal connected here appears at stereo channel 11/12 and is mixed at unity gain with any line input signal connected to channel 11/12. - Page 11 4: Power on-off switch - As you may have guessed, this is what you use to turn the MIXPAD on and off. To avoid potential damage to your speakers, turn the unit on before you turn on any connected power amps—and turn it off after the power amps are turned off.
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Page 12: Mixpad 12/9 Jackfield
Returns” section on page 32 in this manual for more information. 2: Main out (L, R) - These are the MIXPAD’s main outputs. You’ll usually use these to connect the MIXPAD to a tape recorder or to a power amp and loudspeakers. The Main out jacks are electronically... -
Page 13: Connecting The Mixpad 4 Carrying Strap
S L E E V E G N D . D C I N P U T The MIXPAD 4 is supplied with a handy carrying strap for easy portability. As shown in the illustration above, attach the strap to the MIXPAD 4 by placing the buckles in the connector slots and pressing them in firmly until they snap in place. -
Page 14: Mixpad 4 Channels
Guided Tour - MIXPAD 4 Channels TRIM LINE HIGH LEVEL LINE HIGH BALANCE LEVEL... - Page 15 3: Line inputs - Use these 1/4" jacks to connect line-level sources such as synthesizers, drum machines, CD players, tape decks, or effects processors to any of the MIXPAD’s mono or stereo channels. The line input jacks for monophonic channels (channels 1 - 2) are electronically...
- Page 16 “Using Equalization” section on page 30 in this manual. 5: Auxiliary send (blue) - This knob allows you to route signal from any or all channels to the MIXPAD 4’s monophonic Auxiliary output. This is typically used to create a submix (for example, a headphone cue mix) or to feed signal from single or multiple channels to outboard effects devices.
- Page 17 In practice, you will use the channel Level controls to continuously adjust the levels of the various signals being blended together by the MIXPAD 4. The “0” position of the knob indicates unity gain (no level attenuation or boost). Moving the knob counterclockwise from the “0”...
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Page 18: Mixpad 4 Main Section
1: Tape/CD inputs (L, R) - Use this set of dual RCA jacks to connect the outputs of a tape or CD player to the MIXPAD 4. Signal connected here appears at the stereo channel (channels 3 and 4) and is mixed at unity gain with any line input signal connected to channel 3/4. - Page 19 5: Power on-off switch - As you may have guessed, this is what you use to turn the MIXPAD 4 on and off. To avoid potential damage to your speakers, turn the unit on before you turn on any connected power amps—and turn it off after the power amps are turned off.
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Page 20: Mixpad 4 Jackfield
AUX RET 2 1: Main out (L, R) - These are the MIXPAD 4’s main outputs. You’ll usually use these to connect the MIXPAD 4 to a tape recorder or to a power amp and loudspeakers. The Main out jacks are electronically... -
Page 21: Connecting The Mixpad
MIXPAD will accept unbalanced connectors throughout, it specifically provides electronically balanced inputs for all mono line inputs (channels 1 - 6 in the MIXPAD 12; channels 1 - 3 in the MIXPAD 9; and channels 1 - 2 in the MIXPAD 4) and for its main outputs. - Page 22 Bear in mind that the two stereo Aux returns in the MIXPAD 12 / MIXPAD 9 can also be used as four monophonic returns and that the single stereo Aux return in the MIXPAD 4 can also be used as two monophonic returns (when connecting only one monophonic signal, use the “Aux Ret.
- Page 23 When only the upper input is connected in a stereo channel, the MIXPAD 12/9 treats that channel as if it is a mono channel and the signal can then be panned (using the Balance control). See the “Using Pan/Balance”...
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Page 24: Setting Up And Using The Mixpad
MIXPAD 12 / MIXPAD 9 off battery power, see Appendix A on page 34); if you are running a MIXPAD 4 off battery power, place two or three fresh 9 volt alkaline batteries in the rear panel... -
Page 25: Setting The Correct Gain Structure
Aux returns, make sure they are sending completely “wet” (processed) signal, with no “dry” (unprocessed) signal mixed in. f. Press the MIXPAD Power switch in order to turn the unit on. Finally, turn on the power amplifier and set it to a moderate listening level. - Page 26 MIXPAD Aux sends. The idea is to drive these devices as hot as possible (short of overloading them) and then to use the corresponding Aux return level to carefully adjust the amount of processed signal being blended with the dry signal.
- Page 27 Structure l. The gain structure is now correctly set—you’ve optimized the level of all signals coming into and out of the MIXPAD, and the end result will be minimum noise and distortion and maximum clean sound. You’ll now find that the majority of your mixes can be accomplished with most channel Level controls at or near their 2 o’clock “0”...
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Page 28: Grounding Techniques
If you hear hum or buzz from a device that uses an external two-prong AC/DC adapter (such as the MIXPAD), you can try reversing the plug in the socket. If that doesn’t work, you may need to physically ground that device’s chassis by connecting a wire (called a strap ) from it to a... - Page 29 The MIXPAD provides electronically balanced inputs for mono line channel inputs and for its main outputs. The wiring diagram in the “Connecting The MIXPAD” section of this manual (on page 19) shows how 1/4" TRS (Tip/Ring/Sleeve) connectors should be wired for use with these inputs and outputs.
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Page 30: Using Pan/Balance
In these circumstances, you’re best to use modest panning, with signals routed no further than the 9 o’clock and 3 o’clock positions. * You can, of course, also use the MIXPAD monophonically—simply route the same signal to both the left and right outputs. - Page 31 Using Pan/Balance In the MIXPAD 4 stereo channel (channels 3/4) and in MIXPAD 12 and MIXPAD 9 stereo channels (channels 7/8, 9/10, and 11/12 in the MIXPAD 12; channels 4/5, 6/7, and 8/9 in the MIXPAD 9) where both inputs are connected, the upper input signal is automatically panned hard left and the lower input signal is automatically panned hard right.
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Page 32: Using Equalization
High EQ knob affects frequencies above 10 kHz, while the Low EQ knob affects frequencies below 100 Hz (with both using a shelving curve). In the MIXPAD 4, the High EQ knob affects frequencies above 12 kHz, while the Low EQ knob affects frequencies below 80 Hz (with both again using a shelving curve). - Page 33 “shimmer” to an acoustic guitar, ride cymbal, or high-hat. If you are using a MIXPAD 4, you’ll find the mid-range EQ control to be particularly effective for vocals—attenuating it can give a vocal performance more of an “FM-radio”...
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Page 34: Using Aux Sends And Returns
AUX 2 MIXPAD 12/9 Aux sends the 0 position, it is attenuated. In the MIXPAD 12 and MIXPAD 9, Aux send 1 is post-eq but pre-fader ; that is, the level of the signal sent through this knob is determined by the EQ settings and (in mono channels) the position of the Trim control. - Page 35 The MIXPAD 4 provides independent unbalanced 1/4" inputs for each Aux return “side.” When connecting only a single mono signal to the MIXPAD 4 Aux Return, use the “Aux Ret. 1/Mono” input; the signal will then be automatically panned dead center.
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Page 36: Appendix A: Operating The Mixpad 12/9 Off Battery Power
Appendix A: Operating the MIXPAD 12/9 off Battery Power The MIXPAD 12 and MIXPAD 9 can optionally be battery powered. This requires the use of two 12 Volt rechargeable Lead-Acid (Gelcell) batteries, connected to the rear panel AC connector, wired as shown in the illustration below. - Page 37 For Yuasa batteries and accessories: For Union batteries and accessories: If you require any assistance regarding use and/or purchase of batteries, please feel free to contact the Samson Technologies Customer Service Dept. at 516-364-2244 between 9AM and 5PM EST. MIXPAD9: 125mA (.125A)
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Page 38: Mixpad 12/9 Specifications
+22 dBu +7 dBu 10 kHz ±15 dB 100 Hz ±15 dB MIXPAD 9: 239 x 228 x 58 mm (9.4 x 9 x 2.3 in.) MIXPAD 12: 324 x 228 x 58 mm (12.75 x 9 x 2.3 in.) -
Page 39: Mixpad 4 Specifications
MIXPAD 4 Specifications Frequency Response (Trim @ Min, unity gain ± 3 dB) Mic to Main Line to Main Aux Return to Main Line to Aux Send T.H.D. (Trim @ Min, +4dBu output, unity gain, 1 kHz w/30 Hz LPF) - Page 40 Notes...