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Roland Dep-5

Digital Effects Processor (1984)

digital unit effect

"Early digital multieffect rackmount unit includes: reverb, gate reverb, chorus, delay and equalizer with handy and intuitive tweak controls." 

 Main Data 

main technical data



Company: Roland
Model: DEP-5
Class: Effect processor
Rackmount: 1 unit
Dates: 1984
Country: Japan
Weight: 5 Kg
Dimensions: 482 (w) x 47 (h) x 289 (d) mm
Price : 100€

Synthesis: sampling digital
Resolution: 16 bits
Sampling Freq: 32 kHz
Algorithms: 11 models
Delay time: 2 seconds
LFO: 0,3 to 10 Hz
Equalizer: 3 bands
Memory: 99 slots
Midi: IN / THRU
DAC: BB PCM54HP
CPU: I8097 

RACKMOUNT single rack unit. The main panel features fluorescent VDF display, 8 buttons, 9 knobs and a led-meter from -20 to +6 dB peak.

Back panel terminal connectors:

- Midi interface (limited to program change function)
- main signal analog stereo out
- input stereo signal, impedance switch between +4 / -20dB
- bypass pedalswitch input
- patch change pedalswitch input.

Dep5 factory restore and memory clear procedure:

Power on while holding MEMORY NO UP (^) and DOWN (v)

- No official VST plugin


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 In details 

technical DAC data

 VOICE TECH main core I8097 16b its MPU at 12 mHz       (at IC26) and DAC is a Burr-Brown PCM54HP.
Effect sound generation at 16 bits resolution and 32 kHz sampling frequency.

-> Roland specs claim internal 28 bits processing.

 DEP5 generates 4 effects categories combined into 11 algorithms flows:

 Effects 

Sound effect option

REVERB 

Range time from 01.s to 99 s and 4 presets with adjustable early reflection, later reverberation and pre-delay time parameters: room, hall, plate and special (like "kitchen" - lol)

delay description

DELAY

Up to 2 seconds of recording with special stereo panning mode and phase invert. 

chorus modulation

CHORUS 

A single LFO frequency range from 0,3 to 10 Hz with variable depth from 0 to 50%. 

eq band

EQUALIZER

Plain 3 EQ bands:
- low: 100 Hz boost-cut from +12 dB to -12db
- high: 10 KHz +12 -12 dB
- parametric: from 300Hz to 12 KHz boost or cut +12 to -12 db.


"NON-LINEAR REVERB also known as GATED cuts the reflection at a certain gate time that can be set in a range from 1 to 999 ms"

MEMORY: 99 sound slots +  29 ROM presets can be recalled anytime from system factory [Power on while holding MEMORY NO UP (^) and DOWN (v)]

BATTERY REPLACEMENT: RAM system contains a 3V battery lithium CR-2032 soldered to the mainboard. 

Roland DEP5 battery replacement

Our Verdict 

"Dep-5 may be considered technically obsolete with typical metallic reverb, but it is still a creative unit, especially good for weird infinite echo and chorus. Tweaking real-time pots are nice for sure, but pay attention to digital clicks and pops."

35%

Sound 
quality

35%

Interface

35%

Build
 quality

19%

Rarity

35%

Quality / 
price

35%

Overall

CONS

- limited band
- metallic sound
- obsolete

PROS

- cheap now
- real time controls
- creative sound combo 

Are you an DEP5 user? do you like it? You do not agree with our review?  Let us know in the comment field just below 

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Roland DEP-5 Roland DEP-5 Digital Effects Processor
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