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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

AUDIO MIXER
x   MIXER (AUDIO)
xx   AUDIO EQUIPMENT
xx   MICROPHONE ACCESSORIES

Design decisions toward building your own mixer. Beginning a series on a high quality modular mixer which may be modest or mammoth. Part 1. The job mixers have to do and how they fulfill their various functions.
AUDIO AMATEUR 4/1970 [Fall 1970] (v.1#4) pg. 3

Simple 4+4 mixer handles 4 mikes in each stereo channel. Built around the 741 op amp.
AUDIO AMATEUR 2/1971 [Nov 1971] (v.2#2) pg. 3

Quadpod D encoder. A four-channel microphone preamp/encoder. Records main stereo signals and rear ambient information on two sound channels.
AUDIO AMATEUR 3/1971 [Apr 1972] (v.2#3) pg. 8

Report on assembling the Prokit SM-6A mixer.
AUDIO AMATEUR 4/1971 [Jul 1972] (v.2#4) pg. 14

Audio mixers. Part 1. What mixers do and what capabilities beside program mixing may be included in the mixer package.
AUDIO AMATEUR 1/1976 [May 1976] (v.7#1) pg. 4

Eighteen changes in assembling and wiring when building the PROKIT I.
AUDIO AMATEUR 1/1976 [May 1976] (v.7#1) pg. 22

Audio mixers. Part 2. Circuits to accomplish various mixing functions.
AUDIO AMATEUR 2/1976 [Jul 1976] (v.7#2) pg. 18
Correction AUDIO AMATEUR 3/1976 [Oct 1976] (v.7#3) pg. 39

Audio mixers. Part 3. Commercial mixing circuits.
AUDIO AMATEUR 3/1976 [Oct 1976] (v.7#3) pg. 13

Channel fader and pan network is used in a four-in/two-out mixer in place of ganged dual pots.
AUDIO AMATEUR 2/1977 [May 1977] (v.8#2) pg. 42

The Gately micromixer. Almost everything is mounted on cards. Accepts from 1 to 32 inputs. Extensive monitor facilities. Includes facilities for EQ and echo. Part 1. Input module.
AUDIO AMATEUR 3/1977 [Aug 1977] (v.8#3) pg. 30

The Gately micromixer. Part 2. Output module.
AUDIO AMATEUR 4/1977 [Dec 1977] (v.8#4) pg. 30
Correction AUDIO AMATEUR 1/1978 [Mar 1978] (v.9#1) pg. 71

Updating the Gately SM6 mixer to use NE5534 and LM318 IC op amps.
AUDIO AMATEUR 4/1980 [Nov 1980] (v.11#4) pg. 52

Signal level monitor is a simple, low-cost, two-LED device. Use it to monitor recording levels at multiple places along the mixing chain.
AUDIO AMATEUR 4/1981 [Sep 1981] (v.12#4) pg. 40

Constant power pan (pot) circuit for a stereo mixer. Will neither boost nor drop the level of a signal out as it is panned from one side to the other.
AUDIO AMATEUR 1/1984 [Mar 1984] (v.15#1) pg. 24

Reverser. A circuit to facilitate correcting stereo tapes with reversed channels, out-of-phase channels, and M-S (middle-side) stereo encoding. Also useful for adding a little gain and mixing stereo down to mono.
AUDIO AMATEUR 3/1987 [Jul 1987] (v.18#3) pg. 39

Mixers and mike preamps. Designs for simple, rugged mixing equipment that works in the real world and reflects audiophile design practices. Part 1. Theoretical and practical problems with conventional designs.
AUDIO AMATEUR 3/1995 [Aug 1995] (v.26#3) pg. 8
Correction AUDIO AMATEUR 1/1996 [Mar 1996] (v.27#1) pg. 50
Added Info AUDIO ELECTRONICS 3/1998 [Jun 1998] (v.29#3) pg. 10

Mixers and mike preamps. Part 2. Alternative designs for portable or studio equipment.
AUDIO AMATEUR 4/1995 [Nov 1995] (v.26#4) pg. 18

Mixers and mike preamps. Part 3. Design of a prototype mixer with three inputs and two outputs.
AUDIO AMATEUR 1/1996 [Mar 1996] (v.27#1) pg. 24
Added Info AUDIO ELECTRONICS 3/1997 [Jun 1997] (v.28#3) pg. 39

More on microphone mixers and preamps.
AUDIO ELECTRONICS 3/1998 [Jun 1998] (v.29#3) pg. 10
Added Info AUDIO ELECTRONICS 4/1998 [Aug 1998] (v.29#4) pg. 43

All-purpose stereo mixer costs $3.
ELECTRONICS ILLUSTRATED Sep 1964 (v.7#5) pg. 48

All-purpose audio mixer. A device that combines the input of several microphones, record players, tape recorders, etc., and produces a single output for recording on a tape recorder. Mixer is equipped with a VU meter and headphone monitoring jack.
ELECTRONICS ILLUSTRATED Mar 1967 (v.10#2) pg. 65

Four-channel mixer uses just one integrated circuit. Mike impedance can be 50 to 50,000 ohms.
ELECTRONICS ILLUSTRATED May 1970 (v.13#3) pg. 27

Audio mixer circuit is designed around an LM3900 quad op-amp.
ELECTRONICS NOW Oct 1993 (v.64#10) pg. 12

Build the JamMix. A three-channel stereo mixer that blends any amplified musical instrument with line-level stereo audio. Lets a musician accompany prerecorded music. Est. cost: $65 (kit).
ELECTRONICS NOW Oct 1996 (v.67#10) pg. 46
Correction ELECTRONICS NOW Mar 1997 (v.68#3) pg. 8
Added Info ELECTRONICS NOW Apr 1997 (v.68#4) pg. 14
Added Info ELECTRONICS NOW Jul 1997 (v.68#7) pg. 7

Working with frequency mixer circuits.
ELECTRONICS NOW Jan 1999 (v.70#1) pg. 40

DJ MixMaster. A portable mixing board that is suitable for both studio and on-site use. Features simultaneous access to two phonograph inputs, two line-level inputs, a microphone input, and an auxiliary stereo line-level input. There is also a headphone monitoring section and equalizing section.
ELECTRONICS NOW Jul 1999 (v.70#7) pg. 31

Four-input, one-output mixer with individual input volume controls uses one integrated circuit.
ELEMENTARY ELECTRONICS Mar-Apr 1971 (v.11#1) pg. 53

Patch box for tape recorders allows for various input devices, both monaural and stereo, to be fed to a stereo tape recorder.
ELEMENTARY ELECTRONICS May-Jun 1978 (v.18#3) pg. 52

Passive mixer. Four inputs are individually controlled by variable resistors and the overall output is also controlled by a variable resistor. Est. cost: $10.
ELEMENTARY ELECTRONICS Sep-Oct 1978 (v.18#5) pg. 63

Conference microphone mixer allows the input from four or more microphones to be fed to one tape recorder.
ELEMENTARY ELECTRONICS Sep-Oct 1978 (v.18#5) pg. 68

Four-input stereo line mixer complements the sound on a video editing deck.
GLASS AUDIO 1/1991 (v.3#1) pg. 12
Correction GLASS AUDIO 2/1991 (v.3#2) pg. 52
Added Info GLASS AUDIO 1/1993 (v.5#1) pg. 30

Advice on designing a line stage to be used in an 8 by 2 keyboard mixer.
GLASS AUDIO 2/1991 (v.3#2) pg. 53
Correction GLASS AUDIO 2/1992 (v.4#2) pg. 54

Circuit for a four-channel mixer is built around the LM381 op-amp. Est. cost: under $9.
MODERN ELECTRONICS [1] Jul 1978 (v.1#5) pg. 56

Experimenting with audio circuits. Using op-amps to build a variety of professional audio circuits to suit different requirements.
MODERN ELECTRONICS [2] Mar 1988 (v.5#3) pg. 34

Build the JamMix. A three-channel stereo mixer that blends any amplified musical instrument with line-level stereo audio, so that a musician can accompany prerecorded music. Also suitable as a personal-practice amplifier for guitars, etc. Est. cost: $65 (kit).
POPTRONIX EXPERIMENTER HANDBOOK Summer 1997 pg. 54

General-purpose mixer-preamplifier circuit features high-impedance input for crystal microphones and crystal phono cartridges, as well as a variety of other pickup devices.
POPULAR ELECTRONICS [1] Feb 1966 (v.24#2) pg. 79

Microphone mixer has three inputs. Powered by a 22-volt battery, it has a flat response from 40 to 40,000 Hz.
POPULAR ELECTRONICS [1] Mar 1968 (v.28#3) pg. 49

Microphone sound mixer provides amplification and mixing, plus a monitor output that lets you hear what you're recording before it gets into the tape recorder.
POPULAR ELECTRONICS [1] Mar 1969 (v.30#3) pg. 59

Audio multicoupler to isolate multiple tape recorder inputs and minimize loading.
POPULAR ELECTRONICS [1] Jul 1970 (v.33#1) pg. 31

Circuit for adding more micrphones to an inexpensive cassette recorder.
POPULAR ELECTRONICS [1] Apr 1973 (v.3#4) pg. 100

Recording for stereo with 4-channel tape. Mike setups and mixing hints for making better stereo tape recordings.
POPULAR ELECTRONICS [1] Sep 1976 (v.10#3) pg. 64

Build Panamix. A 5-input stereo/mono audio mixer with full panning. Est. cost: $30.
POPULAR ELECTRONICS [1] Oct 1976 (v.10#4) pg. 50
Correction POPULAR ELECTRONICS [1] Jun 1977 (v.11#6) pg. 6

Simple circuit will combine stereo inputs and provide a balanced monaural output.
POPULAR ELECTRONICS [1] Mar 1977 (v.11#3) pg. 99

Build a disco preamp/mixer. Provides multi-source inputs and mixing/fading. Est. cost: $70 for preamp only; $110 for preamp/mixer.
POPULAR ELECTRONICS [1] Sep 1978 (v.14#3) pg. 61
Correction POPULAR ELECTRONICS [1] Mar 1979 (v.15#3) pg. 6

Build a combination wide-band noise source and unity-gain indicator which allows the user to adjust master gain controls for unity gain within (+or-) 0.5 dB. Est. cost: $10.
POPULAR ELECTRONICS [1] Nov 1978 (v.14#5) pg. 106

Microphone mixer circuit allows one mike to be cut while boosting another.
POPULAR ELECTRONICS [2] Feb 1989 (v.6#2) pg. 27

Central Image Canceler circuit allows you to eliminate the "center stage" vocal portion of an audio signal, while leaving the instrumental portion. Ideal for "sing-alongs".
POPULAR ELECTRONICS [2] Apr 1989 (v.6#4) pg. 22

Accessory audio-mixer circuit for a cassette recorder. Ideal for making a tape for slide shows complete with sound effects, announcements and background music.
POPULAR ELECTRONICS [2] Jul 1989 (v.6#7) pg. 23

Stereo mixer circuit is composed of two monophonic (mono) mixer circuits with a modification to the microphone inputs.
POPULAR ELECTRONICS [2] Mar 1990 (v.7#3) pg. 23

Make your own subliminal tapes. Build a simple audio mixer circuit that allows you to experiment with one of the most controversial forms of self-improvement systems.
POPULAR ELECTRONICS [2] Feb 1993 (v.10#2) pg. 53

Four channel audio mixer circuit features level control on each input and a high level output for headphone monitoring.
POPULAR ELECTRONICS [2] Sep 1997 (v.14#9) pg. 70
Added Info POPULAR ELECTRONICS [2] Dec 1997 (v.14#12) pg. 6
Added Info POPULAR ELECTRONICS [2] May 1998 (v.15#5) pg. 58

Easy-to-build control allows the addition of a third microphone into a stereo receiver.
POPULAR MECHANICS Aug 1970 (v.134#2) pg. 130

Working with op-amps. Circuits included for both inverting and non-inverting amplifiers (both AC and DC), voltage followers, audio mixer, adders and subtractors, phase-splitter, and active filters.
RADIO-ELECTRONICS May 1989 (v.60#5) pg. 54

Vocal effects mixer. Lets you shape your voice with tone controls and create a multiple-echo (reverberation) effect while mixing in audio from a tape, CD, or other stereo source. Can also be used with a lead vocal filter [Radio-Electronics magazine, Sep 1990] to mix your own voice with vocal-less music. Est. cost: $50.
RADIO-ELECTRONICS Oct 1991 (v.62#10) pg. 39

The Mix-Master. Studio-type audio consolette lets you mix inputs just like a professional. Provides four inputs for microphones and two inputs for high-level devices such as tape recorders and phonographs. Est. cost: $45.
RADIO-TV EXPERIMENTER Apr-May 1967 (v.22#2) pg. 81

Mini Mix. Audio mixer uses an integrated circuit amplifier. Has two inputs with individual gain controls. With 50,000 ohms input impedance, undistorted voltage gain of 20 times (20 dB) was obtained.
RADIO-TV EXPERIMENTER Dec 1967-Jan 1968 (v.23#3) pg. 89

Audio mixers. What they do, how they do it, and their application in video sound recording.
VIDEOMAKER Aug 1995 (v.10#2) pg. 26

A primer on audio mixers for videomaking.
VIDEOMAKER Jul 1996 (v.11#1) pg. 80