ACOUSTIC AMPLIFIER Owner's Manual
CONTENTS Precautions Main Feature Top Panel 01 02 02-04 Back Panel 04 Quick Tour 05 Setup 05-06 Preset Editing 06-07 Tap Tempo 08 Tuner 08-09 JAM mode (Looper & Drum Machine) 09-11 Anti-Feedback 11 AUX IN & Bluetooth 12 Wireless Footswitch 12-13 Factory Setting 13 Specifications 14
PRECAUTIONS PLEASE READ CAREFULLY BEFORE PROCEEDING Power Supply Please connect the DC POWER Supply to an AC outlet of the correct voltage. Please be sure to use only an AC adapter which supplies 15V DC, , center negative. Unplug the AC power adapter when not in use or during electrical storms. Connections Always turn off the power of this and all other equipment before connecting or disconnecting, this will help prevent malfunction and / or damage to other devices.
Main Feature ● Bluetooth 4.0 support and auxiliary audio input for audio playback ● OTG support for smartphone and tablet recording ● Dual-channel preamp: Guitar input & Microphone/Guitar input ● One 8-inch FRFR(full range,flat response )speaker, One 1-inch treble speaker ● High-precision tuner ● Individual digital EQ/Chorus/Delay/Reverb effects ● Double XLR balanced output mode: D.
CHANNEL.1 01 GTR： 6.35mm (1/4”) guitar input 02 PHASE： Phaser effect 03 GAIN： Guitar preamp gain 04 BASS： Bass frequency adjustment 05 MID ： Middle frequency adjustment TREBLE： Treble frequency adjustment 06 EFFECT.1 CHORUS： Chorus effect control 08 09 DELAY： Delay effect control 11 REVERB： Reverb effect control CHANNEL.
TAP TEMPO 10 R-TAP.1/G-TAP.2 : LED Button - switch between RED and GREEN mode RED mode: R-TAP.1(Control the EFFECT.1, DELAY) GREEN mode: G-TAP.2(Control EFFECT.2 DELAY) LOOPER & DRUM 22 BEATS : Rhythm type switch of drum machine 23 DRUM : On/off of drum machine 24 VALUE : Editor knob.
Quick Tour ● Adjust the MASTER/GAIN to the minimum ● Turn on the SD50A. Adjust the volume and gain levels as you desire. ● SD50A only supports adapters.
OTG Record USB connection to computer Bluetooth playback XLR connect the mixer AUX IN Input Connection adapter Preset Editing SD50A CHANNEL 1 and 2 includes an analog preamp section delivering clean and warm tone with built-in individual EQ/Chorus/Delay/Reverb effect.
● Saving Preset After editing, press and hold the VALUE knob to save. Preset LED will light up and the screen will start to blink. Rotate VALUE to select a slot to store then press and hold VALUE again to confirm save. You can cancel save by pressing the VALUE knob once. Notice: The GAIN value of the analog preamp cannot be saved. ● Select Preset SD50A has 10 presets in total. Rotate VALUE to PRESET mode and press to confirm.
Tap Tempo Tap the footswitch multiple times to control the tempo of your delay effects. Press and hold TAP button to enter different tap modes. R-TAP.1 - Control the delay of EFFECT 1, button light will turn RED G-TAP.2- Control the delay of EFFECT 2, button light will turn GREEN. Tuner 1.
2. C alibration When the TUNER is activated, press the VALUE knob to enter calibration. Rotate the VALUE knob to select desired tuning frequency. Number Frequency (Hz) Number Frequency (Hz) 0 435 5 441 1 436 6 442 2 437 7 443 3 438 8 444 4 439 9 445 A 440 JAM mode (Looper & Drum Machine) SD50A has a built-in LOOPER function and drum machine (including 16 different rhythms), suitable for practice and live performance. 1.
● Looper Volume : Rotate the VALUE to L-VOL. Press to enter looper volume level menu. Rotate the VALUE to select a desired volume level, the level will be shown on the screen. 2. D rum Machine ● Rhythm Type : Rotate the BEAT knob to select a desired rhythm type. Percussion Rhythm Jazz Drum Rhythm Num Beats Num Beats ON.01 6\8 ON.09 4\4 ON.02 4\4 ON.10 4\4 ON.03 4\4 ON.11 4\4 ON.04 4\4 ON.12 4\4 ON.05 4\4 ON.13 4\4 ON.06 4\4 ON.14 6\8
Drum Machine BPM: Rotate VALUE to SPEED. Press VALUE to enter BPM menu (The LED of SPEED will turn green). Rotate the VALUE to adjust the BPM. 3. SYNC (Drum machine & Looper) SYNC function allows use of the Drum Machine and Looper simultaneously. Before recording begins, there will be a Count-in. Drum machine and Looper can be used separately after the recording has begun. Procedure: Rotate the VALUE knob and navigate to SYNC. Press VALUE to enter SYNC mode. the SYNC LED will turn green.
AUX IN & Bluetooth SD50A supports Bluetooth 4.0 and auxiliary input for audio playback. ● AUX IN: With 1/8'' signal cable connecting to audio device for audio play back. ● Bluetooth: Turn on the Bluetooth switch to activate Bluetooth. Pair with “ MOOER SDAMP” to use Bluetooth audio playback. ● Volume Level: The playback volume can be adjusted on your mobile device. The MASTER knob will affect the global volume level.
Footswitch B Press to STOP/Press and hold to CLEAR Footswitch C Tap Tempo EN Footswitch D Switch of drum machine 3. LED light Press and hold the A & D footswitch simultaneously to switch on/off the LED of C4. LED light will automatically turn off after 10 minutes of inactivity. Factory Setting You can restore your SD50A to factory settings by following the procedure below.
Specifications Effects: EQ*2 CHORUS*2 DELAY*2 REVERB*2 ANTI-FB*2 Num. of Drum Machine: 16 (8 Jazz drum and 8 percussion) Num. of preset patch: 10 Looper: 150 seconds Input: 2* 1/4'' mono Instrument/microphone input jack, AUX IN.
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