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dnc
 dnc      18.02.2011 - 10:08:58 [2K] , level: 1, UP   NEW
http://www.youtube.com/watch?v=pJrU9RIurFE

1982 (pre-acid period:) a vsimnite si basu..

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dnc
 dnc      18.02.2011 - 10:03:08 [1K] , level: 1, UP   NEW
oscar_peterson_tb303_tr606.jpg

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dnc
 dnc      18.02.2011 - 10:11:07 , level: 2, UP   NEW
The pre-acid 303 was used as the bass sound on 80s smooth-soul merchants Imagination’s hits “Body Talk” & “Just An Illusion” from 1982. You can hear them make good use of the glide, doing an imitation of the then-in-vogue fretless bass slide, but alas no filter-tweaking.

I think that Oscar probably realized what these were all about (even if Roland didn’t), as he’s pretty hip to synths. Taken from his website:

“Since the early 1980′s, Oscar has embraced electronic music wholeheartedly in that the tools help him to compose, and especially orchestrate, more quickly and effectively than traditional methods. Oscar has, in his home, a state of the art recording studio and music room that accommodates his keyboards, synthesizers, sequencers and computers, all for the purpose of creating more music.”

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dnc
 dnc      05.10.2010 - 18:37:53 [2K] , level: 1, UP   NEW
obr507821_09.jpg

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drakh
 drakh      14.10.2010 - 13:53:15 , level: 2, UP   NEW
myslis ze aj tak "kvaka" ? :)

When I sleep, I dream too much

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dnc
 dnc      07.01.2009 - 22:54:03 , level: 1, UP   NEW
http://www.youtube.com/watch?v=Pir9wvcKC6c


uuuuuuuu

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dnc
 dnc      10.06.2005 - 12:52:44 , level: 1, UP   NEW
za 4 litros ani naaaaahodou :)

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Kusok
 Kusok      03.06.2005 - 15:42:17 , level: 1, UP   NEW
da sa zohnat masinka tak za 4000? nemusi mat ani moc vela gombickof a moze byt teroristicky aj z druhej ruky...

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drakh
 drakh      10.06.2005 - 14:07:12 , level: 2, UP   NEW
uc16 by som asi povedal - len ako midi kontroler

nieco co zo seba pluje aj zvuk zrejme pod 20 litrov nehrozi

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Kusok
 Kusok      25.08.2005 - 10:05:44 , level: 3, UP   NEW
no... a ftom je ta naj haluska... ze ja ani presne nemam predstavu co by som vlastne mal sciet...
ale kamarat my vravel ze jeho dalsi kamrat si poridil masinku (midi) za nejaku 4rku...
acelkom som nepochopil tomu ze by to malo aj plut zvuk...
ak sa da tak do posti by som prijal nejaku napovedu...

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drakh
 drakh      31.08.2005 - 13:53:54 , level: 4, UP   NEW
MIDI= musical instruments digital interface. HW je zalozeny na RS232(klasicky seriovy port) . PO midi kabli ti nikdy nechodia zvuky, len midi eventy - prikazy pre syntak ze co ma robit- ktora nota sa ma zahrat, ktory kontroler aku hodnotu nadobuda a tak. Ono za 4ku sa nejaky midi kontroler da kupit. ale zvuk to plut nebude. bude to zo seba plut len midi eventy. budes k tomu potrebovat este nieco comu tie midi eventy posielat budes (ci uz SW syntak/sequencer v kompe) alebo nejaky HW syntak.

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Kusok
 Kusok      01.09.2005 - 10:17:31 , level: 5, UP   NEW
no...
sak napojim to napr. na FLko... poviem knofliku v FL ze pocuvaj... ty budes tento knoflik na MIDI, potom dam plai, zacne my hrat nieco z FLka, stlacim knoflik na MIDI a on uz spravi to co som mu zadal v FLku... (stisi-zvysi hlasitos napr.)
dobre tomu chapem?

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dnc
 dnc      01.09.2005 - 15:31:09 , level: 6, UP   NEW
hocijaky MIDI CONTROLLER potrebujes na to.

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drakh
 drakh      24.04.2005 - 21:02:21 , level: 1, UP   NEW
tr909 schemy

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drakh
 drakh      24.04.2005 - 20:57:08 , level: 1, UP   NEW
tb303 schemy

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dnc
 dnc      22.04.2005 - 17:06:42 , level: 1, UP   NEW
Internal sound source:

Synthesized drums: (Bass Drum, Snare Drum, Low/Mid/High Tom, Rim Shot, Hand Clap)

Sampled drums: (Open/Closed HiHat, Crash/Ride Cymbal)

Inputs:

MIDI, Tape Load/Sync in (combined), Start/Stop, Din Sync

Outputs:

2xMIDI, Tape Save/Sync out, Trig out coupled to rim shot sound +14V 20ms pulse, L/R Mix, 10x individual out.

Synchronization possibilities:

MIDI, Tape, Din Sync.

Secondary data storage:

Cassette, RAM cartridge (M-64C)

Memory size:

48 patternsx2 banks, 4 tracks of max 896 measuresx2 banks.

Physical size:

486x105x300 mm, 4.5 kg.

Data generation/modification/recording:

Step or real time recording of MIDI events used to play back internal drum sounds, but also to control an external sound source (see below) The unit does not record velocity nor other controller data. Playback is limited to two velocity levels ("Accent"). A row of 16 buttons are used in conjunction with an instrument selector to program the unit, both in step and in real time (in real time the buttons correspond to the various instruments




Bass Drum consists of two parts. One part simulates the clicking attack-phase of the sound, where the other part provides the bottom end, which is responsible for the well known punch of this Bass Drum. Main circuit design is the same as described detailed in the Snare Drum section.

When TRIG (>) is applied to the base of Q1, ENV-3 (part 6) is started by Q2 collector, releasing a pitch modulation of the VCO (part 2) by controlling the Control Voltage Generator (part1). Modulation depth can be adjusted by VR2 (TUNE). There's also a positive pulse at the base of Q11, discharging C14 and resetting VCO at every TRIG period. The triangle waveform of VCO output passes a diode clipper (part 3) to get a sine wave. The amount of this part is determined by VCA Q12 (part 4) whose gain follows ENV-1 (part 5) which is in turn controlled by an ACCENT coming through Q4. ENV-1 is actually an important part of this circuit. It's shape (see small diagram near ENV-1) looks like a compressed Drum sound and that's the reason for the big punch mentioned above.

The second part of this instrument is separated into Pulse and Noise.

Pulse (part 7) is generated by a circuit using a low pass filter (Q8, R5, R6, R14, C22) and a band pass filter (Q9, C2, C3, C4, R7, R8, R15, R16) to form the trigger signal into the right pulse shape. The noise part uses the common noise generator, whose signal (>) is low pass filtered and mixed with the signal coming from pulse generator. The resulting signal passes through a VCA Q6 (part 9) which is controlled by ENV-2 (part 10).

Finally ATTACK and VCO-signal are mixed and amplified at IC11a (part 11) to provide level control.



Snare Drum consists of Drum and Snappy, each further separated into two parts.

Drum voice is composed of VCO-1 (part 10) and VCO-2 (part 11) with associated Control Voltage Generator IC35 (part 8). VCO-1 and VCO-2 have similar circuitry except that charging capacitors C69 and C71 have different capacitance so that they can oscillate at different frequency. VCO-1 runs at lower frequency.

VCO's comprise a hysteresis comparator IC37a (IC38a), inverting buffers configured as voltage-dependant resistor (in IC36) and an integrator consisting of IC37b (IC38b) and C69 (C71) with Q44 (Q45) switcher. In this arrangement VCO-1,2 generate triangle waveforms . When TRIG (>) is applied to the base of Q39 VCO-1 receives a positive pulse from Q40 collector at the following places. There are similar conditions at VCO-2.

a) One input of IC37a via D62. When the pulse is applied, IC37a turns its output to low.

b) The base of Q44 which discharges C69, cancelling VCO-1 output. The combination of a) and c) resets VCO-1 to the starting point at which VCO-2 also starts oscillation, phasing the initial waveforms of both VCO's.

c) The base of Q46 which cuts off VCA Q50, muting unwanted noises in the VCO-1 path.

There is also a positive pulse starting ENV 1-5.

Output of ENV1 (part 9) influences the Control Voltage Generator. The resultant effect is a pitch bend of Snare drum sound for about 20ms. The triangle waveform (integrated square = triangle) of VCO-1(VCO-2)passes through a diode clipper (see parts 12,13) to twist the triangle into a waveform near sine. The amount of drum voice from VCO-1 (VCO-2) is determined by VCA Q50 (VCA Q51, see parts 14,15) whose gain follows ENV3 (Env2, see parts 17,16) which is in turn controlled by an ACCENT (>) coming through Q41 currently gated by the TRIG.

Snappy uses the common noise generator, which is also used for Bass Drum, Hand Clap and Tom's. Noise signal (>) is low pass filtered (IC 40a, see part 1) and then splitted into two parts. The first part is passing through a VCA Q48 (part 5) which is controlled by ENV4 (part 6). The second part has its own VCA Q47 (part3) controlled by ENV5 (part 7), but is high pass filtered (IC 39a, see part 2) before passing through. ACCENT signal is gated through Q41 by the trigger from Q39 collector and is coupled to the base of Q47 VCA as ENV 5. ENV 5 determines the amount of high frequency noise components in the SNAPPY which becomes articulate when noises passing through the high pass filter are combined with the noises from the low pass filter at IC39 (part 4).

Finally Drum and Snappy are mixed and amplified at IC40b (part 18) to provide level-control.



Low, Mid and High Toms have similar circuitry except that VCO's have different main tunings. The following description takes Mid-Tom as representative.

Mid Tom is composed around three VCO's and noise, called Tom noise in this case. Tom noise (>>) is a modified signal from the common noise generator.

VCO's have similar circuitry except that charging capacitors C32,33,34 have different capacitance so that they can oscillate at different frequency. VCO-3 (part 4) runs at highest frequency, VCO-2 (part 5) runs at lowest.

When TRIG (>) is applied to the base of Q25, ENV-4 (part 2) is started by Q24 collector, releasing a pitch modulation of all VCO's (parts 3,4,5) by driving the Control Voltage Generator (part1). Control Voltage can be also adjusted manually by VR13 (TUNE). There's also a positive pulse at the bases of Q30,31,32 , discharging C32,33,34 and resetting VCO's to sync them together. Circuit configurations of VCO's are the same as used in Snare Drum. Refer to this section for more information.

Each VCO output passes through a diode clipper (parts 6, 7 and 8) to get sine waves. The clipper of VCO-1 is also controlled by TRIG (with associated envelope C38 and VCA Q23) to cause a slow change from square (low resistance in collector-emitter path, hard clipping) to sine (softer clipping).

Each modified oscillator signal passes through a VCA (Q26,27,28; see parts 9,10 and 11) with associated envelope (parts 12,13 and 14). ENV-2 (for VCO-2) is adjustable in Decay-Time (VR17). So you hear just one oscillator after some milliseconds, when you adjust longer decay times. VCO-3 signal is also mixed with Tom Noise (>>) before reaching the VCA. This causes a more natural sound in the attack phase of this instrument.

Finally VCO-signals are mixed and amplified at IC23a (part 15) to provide level control.



Handclap uses almost the same circuit as the well known TR-808. It’s based on white noise (> from the common noise generator) which is band-pass filtered by IC26b and associated RC’s (part 1) to get the right sound for simulation. The filtered noise is divided into two parts. The first part passes through a VCA (IC 30, see part 2) which is controlled by a special envelope (ENV-1 see part 3) after TRIG (>) is applied . This envelope is the main feature of this circuit. It simulates clapping of several hands. Basically it consists of four attack-decay envelopes (Opamps a-d in part 3), where finishing the first starts the second an so on.

The second part also passes through a VCA (Q37, see part 4), which is controlled by a simple envelope (part 5). This part produces the atmospheric background sound of the instrument. It sounds like a reverb.

Both parts are mixed and amplified by IC28a (part 6) to provide level control.



The Rimshot is the easiest instrument on this machine. It's based on three bridged T-network-filters (see parts 1,2,3). These kind of bandpass filter is the base for nearly every sound on the TR-808 (except HiHat and Cymbal).

They have different Q- and f-values as you can see on the diagrams above the schematic. According to these you'll get following frequencies : f1=500 Hz, f2=220 Hz, f3=1000Hz. The disadvantage of this circuit is, that frequency depends on every resistor (5% types used) and every capacitor. Every fault sums up by principles of superposition and can cause large differences between the same sound from machine to machine. That's perhaps the reason why Roland used VCO's for the other drumsounds of the 909.

When TRIG (>) is applied, oscillators 1,2,3 get a positive pulse from D89 and start oscillation. The decay time depends on Q-factor which can be calculated by the following equation: Q=(sqrt(R1/R2))/(sqrt(C1/C2)+sqrt(C2/C1)).

The outputs are mixed and clipped by a simple diode-clipper (part 4) D91,92. The clipped signal passes through a VCA (part 5) which gets control voltage from IC48b, Q64 and a simple envelope C119 (see part 7). Last stage is a high pass filter (part 6) which removes unwanted low frequencies to provide a more realistic simulation of the instrument.



HiHat, Ride and Crash cymbals are 6-Bit (!) samples. Circuit configurations and operations of these voices are basically the same. The following description takes HiHat as a representative.

Pressing HiHat button(s) develops a positive pulse (TRIG), resetting Address Counters IC70 and IC71 (part2) to have "0's" on their outputs. These 0's cause IC72a output to swing to H irrespective of a Closed/Open being applied to diode OR's (D196-199, necessary to distinguish between Closed and Open HiHat). Upon receiving this "run" from IC72a, a simple oscillator composed of two NAND-gates (no crystal!!) starts oscillation and outputs about 60kHz (see part 3), which is divided by two and shaped up by IC73 D-Flip-Flop (see part 4), clocking the address counters (pin10 of IC70,71). IC69 (ROM, see part 1) starts clocking out voice data, which are latched into IC68 Hex D-FlipFlop (see part 5) and then converted to analog voltages while passing through RA9 (resistor network, see part 6). This is a very simple configuration for a D/A-Converter. According to the resolution of 6-Bit, the sounds have been compressed before being digitalized in order to have a greater S/N ratio and higher digital resolution. The original envelope is reproduced by a VCA, which is controlled by an envelope.

Open/Closed decay times of this envelope can be regulated individually. This is realised by a little bit tricky circuit (see part 9).

A high Closed/Open (Closed HiHat selected) on Q72 base removes a positive voltage from its collector which in turn allows Q73 to charge decay capacitor C135 through R451 and VR21 (CH Decay). Since this charging path is 1/10 the total resistance of R452 and VR23, the charging rate of C135 depends on VR21 setting only (better say almost). With low Closed/Open (Open HiHat selected), CH charging path is disconnected from the DC supply source at Q73 and OH path becomes conductive. Charging rate of C135 now depends on R452 and VR23 (OH Decay). A disadvantage of this circuit is, that CH Decay is changing slightly when turning OH-Decay (VR23). But this change will not be notified in most cases.

Envelope output passes through an Anti-Log (part 8) to provide a more realistic shape of the Env-signal, which drives the VCA (part 7). Finally HiHat signal is lowpass-filtered (two LPF's in serial, see part 10) to remove unwanted high frequencies after D/A conversion. Level control is provided by an amplifier (part 11)

Some notes on Crash and Ride

These voices also have unique envelopes that are quite different from actual sounds when the data is directly reproduced. The reason is the same as described in HiHat section. According there is no decay-control, restoration of the envelopes are made by the use of ROM addresses as the envelope data. When Crash (Ride) sound data are read successively from ROM with correct addresses, the same addresses are also converted to analog voltage (by a second D/A), anti-log tapered and applied to the VCA. This way of generating the envelope is necessary, because tuning of the instrument is possible. As the signal gets shorter at higher tunings, the decay-time has to change in the same manner.


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dnc
 dnc      22.04.2005 - 17:02:33 , level: 1, UP   NEW
909

Much has been written and said about the impact of this machine when the house and techno scene emerged. True is, however, that you find the distinctive sounds from this machine on a great deal of recordings today. Originally released in the mid 80's this machine never got any initial success as the public demand craved for purely digital drums and it was discontinued after a brief period of time by Roland. Today it is one of the most sought-after machines on the market and people pay ridicolous amounts of money for them. Roland began producing preset drum machines as far back as 1972, with the introduction of the TR-33, TR-55 and TR-77. The TR-66, TR-330 and TR-700 followed over the next couple of years, but it wasn't until 1978 with the appearance of the CR-78 that you could actually program the patterns yourself. When the likes of Peter Gabriel and Phil Collins began using the CR-78, the drum machine's dinky image of the pub performer's pal was transformed into a that of a musical tool. By 1980 the TR-808 had appeared. Like many a long gone muso or artist, the TR-808 wasn't appreciated as much at the time as it is now. For the more budget-conscious, there was the TR-606 Drumatix, and its partner in rhythm, the TB-303 Bassline. Both came with a matching carrycase, and were no bigger than a cheap box of Milk Tray. Unlike the chocolates, if you stared at these machines for long enough, the mixture of red flashing lights, black legends and silver and chrome would begin to grate and nauseate. Programming with even the mildest hangover was for none but the brave. The biggest box of them all, the TR-909 made its debut in 1983, and was only in production for one year. Approximately 10,000 were made. By that time, drum machines such as the Linn LM-1 had stolen the TR-909's thunder, as the sounds were all from samples. Sampling fever eventually wiped out generating drum sounds with analogue technology. Looking back, we're wiser now, and the variety of sounds that analogue techniques create are the most sought-after for a contemporary musical palette. Anyone can sample a sound, but there's nothing like having a knob in your hand to play with.





Tadao Kikumoto. Big Up for the main creator of the TR-909 and also the TB-303. Good thinking mr. KICK umoto !





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dnc
 dnc      22.04.2005 - 16:45:03 , level: 1, UP   NEW

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dnc
 dnc      22.04.2005 - 16:41:25 , level: 1, UP   NEW
:)

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dnc
 dnc      22.04.2005 - 16:24:11 , level: 1, UP   NEW
909

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dnc
 dnc      22.04.2005 - 16:14:33 , level: 1, UP   NEW

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dnc
 dnc      22.04.2005 - 16:04:39 , level: 1, UP   NEW

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dnc
 dnc      22.04.2005 - 16:03:04 , level: 1, UP   NEW
808


Roland TR-808 Rythm Composer
Machine info:
The first normal looking drum machine. It's 100% analogue and is still proclaimed to having the best clap. It's also very famous for it's good marracas sounds.


Release date: 1980


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drakh
 drakh      14.04.2005 - 21:57:45 , level: 1, UP   NEW
Takze spojenie ableton 4 + Audiorealism BassLine +evolution uc33
-na zive hrajkanie sa jednoznacne ableton ako VST host vdaka velmi jedoduchemu assignovaniu midi kotrolerov ku ktoremukolvek ovladaciemu prvku ci uz abletonackemu alebo VSTickovemu...













a hra to asi takto nejako (ehm ukazka je cisto len kvolu zvuku nehladajte v tom ziadne hlbsie pokusy, a ku koncu to zacina rvat zvuk vdaka tomu ze nahravanie bolo realizovane na tom istom pocitadle na ktorom sa tebecko pustalo tak uz trochu nestihal buffer) http://darkie.maysa.sk/303/303.mp3

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Kusok
 Kusok      15.04.2005 - 14:29:34 , level: 2, UP   NEW
hmm... ake to dava moznosti taka masinka... co sa stim da robyt? a kolko to asi stoji?

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drakh
 drakh      15.04.2005 - 17:05:29 , level: 3, UP   NEW
henta masinka? obycajny MIDI kontroler - priradis potenciometru MIDI event typu controller priradis mu kanal na ktory ten event ma vyslat a ides. Cize vies vdaka tomu ovladat HW cudlikmi SW masinky.. dost to zjednodusuje pracu ked chces tocit dvoma virtualnymi knobmi naraz :))

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Kusok
 Kusok      16.04.2005 - 12:23:44 , level: 4, UP   NEW
a kolko to stoji?

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milec
 milec      16.04.2005 - 12:42:45 , level: 5, UP   NEW
5 dni prace na stavbe

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dnc
 dnc      15.04.2005 - 09:32:34 , level: 2, UP   NEW
accent&slides

kvak kvak :))))))

lahôdka

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karol
 karol      13.04.2005 - 14:10:02 , level: 1, UP   NEW
existuje nejaka sanca zadovazenia si tychto krabiciek na nasom uzemi,alebo je to len moja utopia?

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acidmilk
 acidmilk      13.04.2005 - 16:05:18 , level: 2, UP   NEW
videl som predavat nejakych ludi tieto krabice na Ebay.. ale tie ceny.. akoze od $2500 vyssie.. 303 je trochu lacnejsia ako tie dva drummachiny..
ale napr. taky TR606 zozenies aj za 30 litrov.. ale 606 zasa nie je 808 ;)

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kl.ing.one
 kl.ing.one      13.04.2005 - 16:07:02 , level: 3, UP   NEW
no 606 co som pocul z nej sample imho trochu nic moc.. fakt ze 808 a 909 rulz