SWR Sound SM-500 manual

SM-500 USER GUIDE S WR SOUND CORP . • SUN V ALLEY , CA • USA[...]

INTRODUC TION The SM-500 Professional Bass Amplifier pr ovides the power , per for mance, flexibility and por tability r equired by the pr ofessional bassist for ever y style of playing and nearly ever y playing situation. To design an amplifier that would cover “all of the basses,” SWR had to use almost ever y imaginable type of electronic com[...]

2 • SM-500 USER GUIDE SM-500 FRONT P ANEL FEA TURES • Dual independent input jacks compatible for both active and passive instr uments • Gain Control with LED peak clipping indicator • V ariable Limiter Control • Aural Enhancer Control • Bass Control ±15dB cut/boost (shelving point: 80Hz) • T reble Contr ol ±15dB cut/boost (shelving[...]

SM-500 USER GUIDE • 3 SM-500 SPECIFIC A TIONS Note: All measurements wer e taken with a line voltage of 120V AC. All noise specifications are “unweighted.” All voltages and watts are "RMS." All measur ements taken with tone controls set flat, Aural Enhancer at minimum. POWER (minimum): Bridge/Mono Mode 500 W atts @ 4 Ohms 400 W atts[...]

4 • SM-500 USER GUIDE SM-500 FRONT P ANEL FEA TURES INPUT JACKS Both input jacks accept a standard 1/4" phone plug and both inputs can be used at the same time. Since the two inputs are totally independent, no loss in volume or tone will occur if two instr uments are used simultaneously . Please keep in mind, however , that the Active/Passiv[...]

SM-500 USER GUIDE • 5 LIMITER The Limiter circuit pr events the signal from exceeding a pr eset level. The Limiter control sets the “threshold,” which is the level at which limiting begins to take ef fect. The Limiter LED will light to indi- cate that the signal has reached the limiter thr eshold and that the Limiter is now active. The Limite[...]

6 • SM-500 USER GUIDE 4. Keeping all controls in their pr esent positions (Level control at +15 and Fr equency control at 40Hz), strike your open “E” string again and move the Frequency contr ol from 40Hz to 160Hz. As the Frequency Contr ol is moved from 40Hz to 16Hz you should hear two incr eases in volume. The first will be at 80Hz or your [...]

SM-500 USER GUIDE • 7 POWER ON/OFF SWITCH Moving the Power switch to the “On” position will tur n on you amplifier as indicated by the Power LED lighting. SM-500 REAR P ANEL FEA TURES AC CORD RECEPT ACLE The SM-500 accepts a standard AC power cable (supplied with the SM-500), used with almost all cur- r ent musical, professional and household[...]

8 • SM-500 USER GUIDE LEFT & RIGHT SPEAKER FUSES The left and right speaker fuses are pr ovided to protect your speakers in the unlikely event of a power amp failure or incor r ect connection procedur es. Size and rating of the fuses are 3AG, 8 amp, fast- blo. Do not defeat the purpose of this feature by using a higher rated fuse. The speaker[...]

SM-500 USER GUIDE • 9 The frequency r esponse of the SM-500 is far greater than usually found in musical instr ument ampli- fiers (10 Hz to 40kHz). This was engineered in or der to give the bass player the same punch and clarity on stage as found in the studio or concer t P A systems. Ther efore, it is doubly impor tant that you be aware of the i[...]

10 • SM-500 USER GUIDE BALANCED XLR OUT The Balanced Out is a tr ue balanced output and ser ves two functions. In the “Dir ect” position, the XLR is essentially an active tube direct box. The signal is taken dir ectly from the input jacks. No con- trols on the fr ont panel af fect the sound, volume or content of the signal. In the “Line” [...]

SM-500 USER GUIDE • 11 V ACUUM TUBE (V AL VE) SWR installs a specially selected 12AX7 dual triode tube in the preamp section of ever y SM-500. When it becomes time to replace it, we r ecommend that you do so with a similar high quality product. This tube will need replacing only if it becomes noisey or micr ophonic (sounds like glass tinkling in [...]

heat away from heat pr oducing components inside and thus extending their life. In this manner , we feel we have produced a mor e reliable amplifier , but, at the same time, the outside of our units will get war mer than cases made out of steel. Y ou should be awar e of the possibility of the power amp in your SM-500 becoming “over biased.” Thi[...]

AC FUSE 7 AMP SLO BLO 120 VOLTS 50/60 HZ 840 WATTS FUSE LEFT SPEAKER RIGHT SPEAKER L SPKR FUSE 8 AMP R SPKR FUSE 8 AMP SPEAKER OUTPUTS 250W X2 STEREO 1 2 1 2 BRIDGE 500W MONO FUSE FUSE EFFECTS STEREO EFFECTS RETURN L EFFECTS SEND R MONO B ALANCED OUT TUNER OUT XLR PAD PULL GND LIFT MIN LINE MAX DIRECT SM-500 Bridge Mode Operation Diagram Po w er Am[...]

AC FUSE 7 AMP SLO BLO 120 VOLTS 50/60 HZ 840 WATTS FUSE LEFT SPEAKER RIGHT SPEAKER L SPKR FUSE 8 AMP R SPKR FUSE 8 AMP SPEAKER OUTPUTS 250W X2 STEREO 1 2 1 2 BRIDGE 500W MONO FUSE FUSE EFFECTS STEREO EFFECTS RETURN L EFFECTS SEND R MONO B ALANCED OUT TUNER OUT XLR PAD PULL GND LIFT MIN MAX SM-500 Stereo Mode Operation Diagram Po w er Amp Assign Swi[...]

AC FUSE 7 AMP SLO BLO 120 VOLTS 50/60 HZ 840 WATTS FUSE LEFT SPEAKER RIGHT SPEAKER L SPKR FUSE 8 AMP R SPKR FUSE 8 AMP SPEAKER OUTPUTS 250W X2 STEREO 1 2 1 2 BRIDGE 500W MONO FUSE FUSE[...]

LIMITED WARRANTY LIMITED WARRANTY The SM-500 from SWR Sound Corporation is warranted to the original consumer purchaser for two years from the date of purchase in the U.S.A. against defects in materials and workmanship and provided that it is purchased from an authorized SWR deale r. This warranty is VOID if the unit has been damaged due to acciden[...]

IMPORT ANT SAFET Y INSTRUC TIONS CAUTION: TO REDUCE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER OR BACK. NO USER-SERVICEABLE P ARTS INSIDE. PLEASE REFER TO A QUALIFIED SERVICE TECHNICIAN. A. Read Instructions: All safety and operation instr uctions should be read before the pr oduct is operated. B. Retain Instructions: The safety and operating [...]

S WR SOUND CORPORA TION 9130 Glenoaks Blvd. • Sun V alley , CA 91352 USA Phone: (818) 253-4797 • Fax: (818) 253-4799 Email: suppor t@swrsound.com © 2001 SWR Sound Corp. All rights reser ved. REV . 08/01 Par t # 320027 L earn more about SWR products and artists by pointing your browser to: swrsound.com[...]