~2017 Analogman ARDX20 Dual Analog Delay Red

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Analogman ARDX20 - killer sounding analog delay! With the box and all the goodies.

From the builder's website:

The ARDX20 takes the great sound of our previous single AR20DL analog delay, but adds more features.

This pedal was released slowly, with no hype or advance promotion, so that we would not get into a back-order situation or have to fix problems in early versions. They are still sort of "under the radar", but with over 2500 ARDX20 pedals out there now, this pedal is ready to take off!

It was designed by Ohbayashi San of Analog Man Asia in Japan, with design and specification help from Analogmike. We built a custom circuit board and specially designed ergonomic enclosure for this pedal. The wires are hand soldered and assembled to our specs in China. Then the pedals go to Japan where the Analogman logos on the pedals are engraved (round top versions) and the pedals are calibrated and tuned at the Analog Man Asia shop by Ohbayashi san and his team.
This delay was designed for ease of use and the best sound possible, with standard features everyone can use, but optional external features for things everyone may not want to pay for up front. The external options like tap tempo, modulation, and presets is an additional AMAZE0 pedal with a computer in it to control this delay.

It's trivial to make an analog delay that has very dark repeats, as the noise which is the problem with analog delays is filtered out along with the high end. To make the repeats have good fidelity without excessive noise (like the Deluxe Memory Man) is difficult, especially with the newer low voltage delay chips, but we have tuned this delay for high fidelity repeats and kept the noise very low. If you want less high end there are ways to get that (which also reduce noise).

FEATURES

1. True bypass switching, the right side foot switch is effect ON/OFF.
2. It's ONE delay pedal, but has TWO sets of controls, not only delay time but also delay level and feedback.
   YELLOW channel (upper 3 knobs) or RED channel (lower 3 knobs) are selected with the left foot switch.
3. Battery or normal 9V boss type power. Power jack in the center top.
4. Battery compartment on the bottom for quick and easy battery changes (round version).
5. Low power consumption, 15mA, so an alkaline battery should last about 30 hours of use.
6. Jacks are on the top of the pedal for efficient layout on pedalboards
7. Input jack on the far right, unplug to disconnect battery
8. Output jack on the far left
9. EFFECTS LOOP is next to the input jack. Use a Y-cable (insert cable like optional HOSA STP-201) to run an effect only when the delay is ON, and only on the delayed signal.
   The dry sound will stay in the pedal, it won't pass through the effects loop.
   Modulation pedals are cool here. The E-H FREEZE pedal is amazing in the loop!
   Or use a VOLUME pedal with a Y-Cable, or an expression pedal to control the level of the repeats. Pulling back all the way will kill the delay sound. You can also control the FEEDBACK somewhat, as lowering the repeats volume will reduce the feedback so you can easily control infinite delays.
10. DELAY TIME EXPRESSION jack is next to the output jack. Use a normal 10K Boss EV5 type expression pedal to control the delay time of the RED channel. This jack is also used for external options (AMAZE1) including tap tempo, modulation, multiple delay time preset boxes, etc.
    The Boss FV500L is a stronger, bigger expression pedal which we also carry. We also carry the Ernie Ball 6181 volume pedal which makes a GREAT small, heavy duty expression pedal (requires insert Y-cable).
11. 600mS (.6 seconds) analog delay time, with clear, not dull, delay sounds. But not clean and bright like a digital delay. Most of the units actually get 650mS if you measure them. The delays are easily controlled for infinite feedback without runaway volume problems which can damage your speakers. 3:00 on the feedback will usually provide easily controlled infinite repeats. Minimum delay time is 36mS. Uses two select 3205 chips for best delay at 9V.
12. You can plug into the EFFECTS LOOP to get a WET ONLY sound, when the pedal is ON. You will need a special cable- the ring on the delay side always connected to the tip of the output cable. These WET ONLY cables are an option.

a) Attach the tip and the ring together on the pedal side to allow feedback (repeats). If you do this, the normal output will work normally, with both wet and dry, so if you want only DRY out of the normal output, turn the LEVEL knob down to kill the delay on the normal output. The LEVEL knob does not change the volume coming out of the FX loop. So the WET output will be very loud.
b) Ground the tip on the pedal side (kills noise) if you don't want feedback (multiple repeats). You will have dry only out of the normal output.

You can alternatively plug a normal cable half-way into the EFFECTS LOOP jack to do this but it's a little tricky to get it just right so if you want to do it often it's best to use a special cable.

Analogman sells the cable mentioned here.

13. Two LED lights blink in time to the delay setting, whether the pedal is ON or OFF, so you can see the delay time setting.

14. New flat version has an internal DARK switch to reduce the high end on the repeats. The dry signal is not changed. The miniature sliding toggle switch is on the back side of the circuit board (you need to pull the board out to see the back), it's the only switch you will find. This switch will also reduce the normal analog delay white noise, so if you need a quieter sound (like running it into a high gain amp which multiples any pedal noise) you can use it for that.

15. Handmade pedal, with through-hole components, using wires and normal pots/jacks/switches, which allows anyone to fix it with normal parts. Not a disposable pedal like a factory-built pedal using tiny robot-installed SMT componets or proprietary (impossible to replace) parts. No surface mount parts on the circuit board, all through-hole soldered parts that are easily checked and replaced.

16. Flat box version size : 4.6" wide x 5.5" deep x 1.72" tall (2.4" to top of switch)

NEW REV 3 ARDX20 circuit in Dec, 2011

We redesigned the boards and internal layout of the pedal to make them easier to build and more rugged. We tried to reduce the normal analog delay noise level too by arranging the wires and components, and using a board with more shielding. The wiring, boards, jacks, and LEDs are sturdier inside. We made one change to the circuit, putting a trimpot on the board for adjusting the maximum wet (delay) level. The stock setting is a bit louder than the previous version, and it can get a bit louder yet. But if you adjust it louder, the feedback gets more sensitive and you can have runaway repeats easily. The trimpot for volume of the repeats is marked RT6. PLEASE DO NOT TOUCH ANY OF THE OTHER TRIMPOTS as special equipment is needed to calibrate an analog delay. The REV3 pedals have a serial number over 1000 and a nicer plexi control panel with A and B labels. These specs carry over to the REV4 flat box versions, with and without plexi.

NEW REV 4 Flat Box ARDX20 in Sept, 2014

This version is about the same except the box is flat for a look that more people like, and a lower profile to fit better on pedalboards. There is also a switch on the back side of the board for a high cut on the repeats. These have a louder delay output but you can turn it down as much as you want with the level knob.