C-Thru Music Axis 49, 2009, made in USA

Link: cyberstyle | c-thru-music | User Guide | Selfless Mode | MIDI Implementation chart

Range     : 49 notes at a time
Keyboard  : 14 columns of 7 notes in Harmonic Table format.
Weight    : 850 g
Width     : 290 mm
Depth     : 200 mm
Height    : 43 to 51 mm (adjustable feet)

Velocity sensitive.

Controls  : Up-Octave, Down-Octave 
            (together to reset and send All_Notes_Off) 
            can be set from -3 to +3 octaves

Notes     : Sends MIDI notes 0-120.
            (0-48,12-60,24-72,36-84,48-96,60-108,72-120)
            Selfless Mode: 01-98

Output    : MIDI over USB
            Uses MIDI channel 01 only.

Powered via USB.

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Boss HA-5 PLAY BUS Headphone Electric Guitar AMP, 1983, made in Japan

Link: Owner's Manual

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Korg Poly-61 programmable polyphonic synthesizer, 1982, made in Japan

Link: vintagesynth | wikipedia | soundprogramming | Manual | Manual Missing Pages | Korg Poly-61 Service Manual

SPECIFICATIONS
Polyphony - 6 Voices
Oscillators - DCO1:sawtooth, pulse, and square; DCO-2: sawtooth, square
LFO - 1 LFO can modulate the DCOs or the Filter
Filter - 1 lowpass filter w/ ADSR
Memory - 64 patches
VCA - ADSR
Keyboard - 61 keys
Arpeg/Seq - Arpeggiator with external sync
Effects - Chorus
Control - MIDI (on later Poly-61M models)
Date Produced - 1982 - 1986

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Korg ARP Odyssey Duophonic Analog Synthesizer, 2015, made in China

Link: korg

Keyboard

Maximum Polyphony

Controllers

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Roland MKS-50 rack-mount version of the Alpha Juno, 1987, made in Japan

Link: vintagesynth | Owner's Manual | Service Manual

SPECIFICATIONS
Polyphony - 6 voices
Oscillators - 1 DCO per voice: Pulse, Sawtooth, Sub, noise waveforms. 1 sub-oscillator.
Effects - portamento, 16 chord memories, transpose, chorus
Memory - 64 User, 64 preset, backup to cassette
Filter - 24db analog lowpass filter
Envelopes - ADSR Envelopes for filter and amp
Arpeg/Seq - None
Keyboard - none
Control - MIDI (w/ velocity and aftertouch mappable to VCF or ENV)
Date Produced - 1987

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Mackie 1402-VLZ3 Premium 14-Channel Compact Mixer (revision A00)

Link: Owner's Manual PDF ru | Owner's Manual PDF en

Premium XDR2 mic preamps and a rich feature set.

The Mackie 1402-VLZ3 Premium 14-Channel Compact Mixer builds on the legacy of the extremely popular 1402-VLZ Pro, offering the same great feature set, plus greatly enhanced sound quality, and Tracktion 3 music production software. Six studio-grade XDR2 (Extended Dynamic Range) second-generation mic preamps, along with Mackie's proprietary active three-band EQ circuitry, give the 1402-VLZ3 its high-headroom, low-noise functionality. With its outstanding sound quality, multi-voltage power supply, and 60mm faders for precise mix control and visibility, the 1402-VLZ3 is the ideal choice for small and medium-sized mixing applications, anywhere in the world.

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Apple PowerBook G4 1.25 15" (FW800 - Aluminum) M8981LL/A PowerBook5,2 A1046, 2003

Link: everymac

The PowerBook G4/1.25 15" (FW800) features a 1.25 GHz PowerPC 7447 (G4) processor with the AltiVec "Velocity Engine" vector processing unit and 512k on chip level 2 cache, 512 MB of PC2700 DDR SDRAM, an 80 GB Ultra ATA/100 hard drive (4200 RPM), a slot-loading 2X DVD-R/CD-RW "SuperDrive", a Firewire "400" and "800" port, built-in Bluetooth 1.1 and AirPort Extreme (802.11g), and ATI Mobility Radeon 9600 (4X AGP) graphics with 64 MB of DDR SDRAM in an attractive aluminum alloy case with a 15" widescreen TFT display (1280x854 native resolution). Custom configurations also were available.

The PowerBook G4 "Firewire 800" series adds AirPort Extreme (802.11g), Bluetooth 1.1, USB 2.0, and Firewire "800", as well as a faster logicboard and memory, to the 15" models.

Please note that unlike the otherwise similar PowerBook G4/1.0 15" (FW800), the PowerBook G4/1.25 15" (FW800) has the fiber optic based "ambient light sensor" that automatically "measures ambient light and works with integrated software to adjust keyboard illumination and screen brightness based on user preferences". The PowerBook G4/1.25 15" also has a faster processor, twice the default RAM, a larger hard drive, a more capable optical drive, and pre-installed AirPort Extreme (802.11g).

Also see: What are the differences between the 12-Inch, "Firewire 800" 15-Inch, and 17-Inch PowerBook G4 models introduced on September 16, 2003?

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Acoustic Research AR-4X Speakers [White], 1967-1971, made in USA

Link: hifiengine | audio-database

System: 2 ways, 2 speaker acoustic suspension system, and a book shelf type
Use unit:
- For low-pass: 20cm corn type (1 x 8" cone)
- For high regions: 6cm dome shape (1 x 2.5" wide dispersion cone)
Frequency response: 45Hz - 20kHz
Impedance: 8ohms
Allowable input: Suitable for the amplifier beyond 15W
Crossover frequency: 1kHz
Dimensions: Width 255x height 482x depth of 225mm
Weight: 7.5 (8.4) kg

Downloads
flyer

schematic

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Электроника Venta-Flanger ПЭ-11 | Electronica Venta-Flanger PE-11, 1991, made in USSR

Link: cheesyguitars | effectsdatabase | reverb | upgrade: in/out power supply

A Russian flanger PE-11. We suggest this one was produced after 1990 since the labeling is in English. The units seems to be a successor of Elektronika FL-01 flanger made by the same factory in the early 80's.
One may wonder what "manual" control does. As far as we know, it brings a little LCD screen with instructions how to use the pedal and when you turn the knob, it scrolls the text. The absence of the footswitch is another trick - there's a little voice sensor you can see on the upper left part of the pedal, and when you scream "Flanger!!!" it turns the effect on and off. Unfortunately, the "manual" and voice control options were broken on this particular pedal, so we had to take our best guess.

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Anta Fuzz, 1976, made in Latvia, LSSR

Link: oecc | Anita Fuzz-Wah | tagboardeffects

Педаль среднего перегруза. Включается, и выключается как и все Рижские педали нажатием педали до упора, что не удобно т.к. можно нечайно выключить в самый непододящий момент. Так же это еще и самая маленькая педаль Рижской фабрики, остальные заметно больше в длину.

Фузз на двух кремниевых транзисторах. Регулируется уровень громкости и тембр (по современному гейн) сигнала. Платформа нажимает только на кнопку байпаса.

Dimensions: 190х8х65 mm

Питание: от батарейки 9V "Крона"

... так выглядела оригинальная упаковка:

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Antares ATR-1 AutoTune Pitch Correction Intonation Processor (rev. 4, 1998), 1999, made in USA

Link: muzoborudovanie | Owner's Manual | mixonline

How do I reset the ATR-1 to factory defaults?

Here are the steps:

1. Power off the unit
2. Press and hold both cursor keys while powering on the unit
3. Spin the data wheel to position 8
4. Press any key (reinitialization will take about 15 seconds)
5. Spin the data wheel to position 9
6. Press any button twice to reboot unit.

Specifications

Data format

20-bit linear
56-bit internal processing

Sample rate

46.875 kHz

Frequency response

10Hz–20kHz, +0.06dB/-0.23dB

Distortion + Noise

Less than 0.005% (@1kHz)

ADC

20 bit

103 dB Dynamic Range (A weighted)