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this site is intended to be a community effort, to collaboritively illustrate the instruments + technology that enabled the music culture of the 80s + 90s, in an effort to educate younger ones who werent old enough to experience it and enable music producers to channel a new generation of inspiring creativity; please feel free to add relevant information!
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3
effects - 80s / Re: Roland SDE-2500 (1985) Midi Digital Delay
« Last post by chrisNova777 on January 18, 2019, 08:08:32 PM »
4
MOS 6500 series (1975?) / Re: Apple IIe (January 1983)
« Last post by chrisNova777 on January 18, 2019, 07:53:55 PM »
6
effects - 80s / Re: KORG SDD-2000 (1986) Sampling Digital Delay
« Last post by chrisNova777 on January 18, 2019, 07:34:48 PM »
7
effects - 90s / dbx 231s graphic equalizer
« Last post by chrisNova777 on January 18, 2019, 07:28:44 PM »

https://dbxpro.com/en/products/231s

Quote
Specifications
Input Connectors   1/4" TRS, female XLR (pin 2 hot)
Input Type   Electronically balanced/unbalanced, RF filtered
Input Impedance   Balanced 40k ohm, unbalanced 20k ohm
Max Input   >+21dBu balanced or unbalanced
CMRR   >40dB, typically >55dB at 1kHz
Output Connectors   1/4" TRS, male XLR (pin 2 hot)
Output Type   Impedance-balanced/unbalanced, RF filtered
Output Impedance   Balanced 100 ohm, unbalanced 50 ohm
Max Output   >+21dBu balanced/unbalanced into 2k ohm or greater; >+18dBm balanced/unbalanced (into 600 ohm)
Bandwidth   20Hz to 20kHz, +0.5/-1dB
Frequency Response   <10Hz to >50kHz, +0.5/-3dB
Dynamic Range   Typically >112dB
Signal to Noise Ratio   Typically >95dB
THD+Noise   <0.003%
Interchannel Crosstalk   <-90dB, 20Hz to 20kHz
Bypass Switch   Bypasses the graphic equalizer section in the signal path
Low cut Switch   Activates the 50Hz 12dB/octave high-pass filter
Range Switch   Selects either +/- 6dB or +/-12dB slider boost/cut range
Operating Voltage   100-240VAC 50/60Hz
Power Consumption   15W
Power Connector   IEC receptacle
Unit Weight   6.2 lbs.(2.81 kg)
Shipping Weight   7.9 lbs.(3.58kg)
Dimensions   3.5" (8.9cm) H x 6"(15.24cm) D x 19" (48.26cm) W
8
Voyetra Sequencer Plus / Re: Voyetra Digital Orchestrator Plus
« Last post by chrisNova777 on January 18, 2019, 07:24:37 PM »
10
effects - 80s / dbx 165a (1977?)
« Last post by chrisNova777 on January 18, 2019, 02:18:36 PM »
http://web.archive.org/web/19970717075140/http://www.dbxpro.com:80/classics/25cl165a.htm



https://www.technicalaudio.com/pdf/dbx/dbx_165a.pdf
http://morrisound.com/2011/03/28/dbx-160-165/

Quote
The top of the line dbx compressor/limiter, the 165A revolutionized music limiting with its introduction of OverEasy compression combined with RMS accurate metering and musically appropriate self-adjusting attack and release time constants. A no-compromise product, the 165 soon became a studio sensation. It premiered the idea of true power summing for stereo tracking without waveform cancellation. With the second generation 165A, dbx introduced PeakStop peak blocking for transient protection without the harshness and density of peak limiting.

At the same time it was creating a world-class reputation in the studio environment, the 165 set a standard for driving long lines from house mixers to the stage. The expanded scale analog metering provided engineers with a new look at what was really going on in their signal-information that flew by V.U. meters undetected.

The 165A features the patented dbx VCA with nearly 140dB of deci-linear low-distortion dynamic range, coupled with the patented dbx RMS detector system to respond to the energy-not the waveforms-in the music. By using RMS detection instead of conventional peak or average detection, the 165 closely parallels the function of the human ear. Undoubtedly, this partially accounts for the famous "musicality" of the 165 series.

Because of their success, 165's and 165A's are found in major studios and sound systems throughout the world, where audio quality and rock-solid reliability are paramount.
Specifications:
Frequency Response: 20Hz - 20kHz, ±0.5dB
Input: Rear Panel: Balanced: 22k; Unbalanced: 11k
Maximum Input Level: +24dBu
Connector Type: Barrier Strip
Detector: Balanced: 600k; Unbalanced: 230k
Max. Input Level: +28dBu
Connector Type: Barrier Strip
Output: Rear Panel: Unbalanced, 0
Min. Load Impedance: >600
Max. Output Level: +23dBu into 600
Connector Type: Barrier Strip
Distortion
THD: <0.2%, Any Amount of Compression @ 1kHz
IMD: <0.2% SMPTE
Equiv. Input Noise: -90dBu
Dynamic Range: 114dB
Gain Adjustment: -20 to +20dB
Threshold Range: Compressor: -40 to +10dBu; PeakStop: -2 to +24dBu
Threshold Characteristics: OverEasy
Compression Ratio: 1:1 to :1;>60dB Maximum Compression
Attack Time: Auto: 15ms for 10dB, 5ms for 20dB, 3 ms for 30dB;
Manual: Variable from 2.5µs - 1ms/dB
Release Time: Auto: 8ms for 1dB, 80ms for 10dB, 400ms for 50dB;
125dB/sec Rate; Manual; variable from 250ms - 100ms/dB

Hardware:
Controls: Power Switch, Stereo Couple Switch, Threshold Knob, Compression Knob, Attack Knob, Release Knob, Gain Knob, PeakStop Knob, Bypass Switch, Input/Output/Gain Reduction Switch
Indicators: Power: Yellow, Below: Green; Threshold: Yellow; Above: Red; Auto Attack/Release: Yellow, Slave: Yellow
Metering: Analog Meter: -20 to +10dB Range; Selectable to View Input/Output/Gain Reduction, Meter Zero Set, -10 to +10dBu
Stereo Coupling: True Power Summing
Connector Type: 12-Pin Cinch-Jones #J-312-CCT
Power Requirements: 90 - 130VAC or (as ordered)
200 - 250VAC: 50/60Hz 15W
Dimensions: (H x W x D) 3.5" x 19" x 9.25" 8.9cm x 48.3cm x 23.5cm
Rack Space: 2 Rack Units
Weight: Net/Shipping 11.5 lbs/15 lbs 5.2 kg/6.8 kg
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