SWR Sound SM-1500 manual Rack Mounting, Tube Replacement, Specifications

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Rack Mounting

The SM-1500 requires three full rack spaces and because of its weight, should only be mounted at the bottom of a rack case that is equipped with both front and rear rack rails. Rear rack ears are included for this purpose. If mounted in an upper rack space or in a rack case with only front rails, additional support must be installed below the SM-1500 to prevent flexing of the amplifier's chassis which, over time, can damage the amplifier and void warranty coverage.

To mount the rear rack ears to your SM-1500, position the ears (1) and loosely attach them to the SM-1500 chassis with the included bolts

(2). Next, support the SM-1500 in place while you attach the rear rack bolts (3) as shown. When in place and supported, tighten all bolts.

Please routinely check the mounting and chassis screws which can vibrate loose due to transportation and use. We recommend that at least once a month that the SM-1500 be

�

 

removed from the rack case and all outside

 

 

screws be tightened and all connections in

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your rack case be checked to preserve the

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beauty and reliability of your equipment.

 

 

A 12AX7 dual triode vacuum tube (valve) is at the core of your SM-1500 pre-amplifier. Typically a 12AX7 tube will last several years, but through heavy use and frequent transportation jarring, it is possible to have a tube last less than a year.

Tube Replacement

When to replace the preamp tube: Sometimes, tubes become noisy or “microphonic” (the amp sounds like a glass chime tinkling during certain notes) as they wear out, but other times, tubes will fail without warning. If your amplifier stops working and other possible causes have been eliminated (breakers, cords, etc.), have an authorized service center inspect your amplifier for tube failure.

Specifications

PART NUMBERS

 

44-01400-000 (120V, 60Hz) USA

44-01403-000 (240V, 50Hz) AUS

 

 

44-01404-000 (230V, 50Hz) UK

44-01406-000 (230V, 50Hz) EUR

 

 

44-01407-000 (100V, 50/60Hz) JPN

 

POWER REQUIREMENT

 

1400W

 

POWER AMP

MINIMUM IMPEDANCE:

4Ω (Bridge Mode);

 

 

 

2Ω per channel (Normal, Stereo, Bi-Amp Modes)

 

 

SENSITIVITY:

1.2V RMS, 1kHz @ Mono Return, Effects Blend at WET, Volume at MAX

 

POWER OUTPUT:

1500W @ 4Ω (Bridge Mode);

 

 

 

750W @ 2Ω per channel (Normal, Stereo, Bi-Amp Modes)

PRE AMP

INPUT IMPEDANCE:

>820kΩ (Front panel Inputs);

 

 

SENSITIVITY FOR FULL POWER:

10kΩ (Rear panel Input)

 

 

13mV @ 1kHz, Gain and Volume at MAX, all Bass, Mid and Treble controls flat (center detent),

 

 

Aural Enhancer at mid position, Effects Blend at DRY, Bass Intensifier, Compression and Boost OFF

TONE CONTROLS

BASS:

±15dB @ 70Hz

 

 

TREBLE:

±15dB @ 3kHz

 

 

VARIABLE SEMI-PARAMETRIC EQ:

MID 1: ±15dB @ 30Hz–200Hz

 

 

 

MID 2: ±15dB @ 165Hz–1.1kHz

 

 

 

MID 3: ±15dB @ 900Hz–6kHz

 

COMPRESSION

GAIN REDUCTION:

–22dB maximum, selectable PRE or POST EQ

 

 

THRESHOLD:

–10dBV to +10dBV

 

 

RATIO:

1:1 to 20:1

 

 

ATTACK TIME:

10mS to 600mS

 

 

RELEASE TIME:

500mS to 5.5S

 

EFFECTS LOOP

SEND IMPEDANCE:

220Ω

 

 

RETURN IMPEDANCE:

10kΩ Balanced

 

BALANCED LINE OUT

SEND IMPEDANCE:

50Ω

 

ACTIVE CROSSOVER

RESPONSE:

3–pole (18dB/octave) Butterworth

 

 

CROSSOVER FREQUENCY:

100Hz–2.0kHz

 

FOOTSWITCH

 

4–button (0072471000)

 

DIMENSIONS

HEIGHT:

5.5 in (14 cm)

 

 

WIDTH:

19 in (48.3 cm)

 

 

DEPTH:

19.5 in (49.5 cm)

 

WEIGHT

 

67 lb (30.4 kg)

 

Product specifications are subject to change without notice.

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Contents SM-1500 P o r t a n t S a f e t y I n s t r u c t i o n s N s i g n e s d e S é c u r i t é I m p o r t a n t e s C h t i g e S i c h e r h e i t s h i n w e i s e S t r u ç õ e s I m p o r t a n t e s d e S e g u r a n ç a SM-1500 Bass Amplifier Front Panel Outer ring knob is disabled Ring knob is the right master volumeNormal Mode-the center knob is left master and the outer Outer ring knob is the low-frequency level controlRear Panel 1TRS Balanced Jacks Block Diagram Compatible Speakers Speaker GuidelinesMinimum Speaker Ratings Ohm 750W Ohm 450WSpecifications Tube ReplacementRack Mounting Beauty and reliability of your equipmentAmplificador de bajo SM-1500 Panel frontal Boost LEVEL-Ajusta el nivel de realce de la señal Panel trasero 1Conectores TRS balanceados Diagrama de bloques Altavoces compatibles Guía sobre altavocesValores de altavoz mínimos Recambio de la válvula Montaje en rackEspecificaciones técnicas Merci davoir choisi lamplificateur basse SWR SM-1500 Amplificateur basse SM-1500Face avant Face avant Face arrière 1Jacks symétriques stéréo Synoptique Enceintes compatibles Connexion des enceintesValeurs minimales des enceintes Ohms 750 W Ohms 450 WMontage en Rack Remplacement de la lampeCaractéristiques techniques Uscite Speaker con connessioni Speakon e jack da 1/4 SM-1500 Amplificatore per BassoPannello Frontale Aural Enhancer Direct Box valvolare Pannello PosterioreIntensifier e il circuito EQ Pre o Post 1Connessioni TRS Bilanciate Diagramma a blocchi Diffusori compatibili Guida alla connessione dei diffusoriRequisiti minimi dei diffusori Sostituire la Valvola Installazione a RackSpecifiche Biamp-Modus mit einstellbarer Crossover-Frequenz SM-1500 BassverstärkerLEVEL-Regelt die Stärke des Bass Intensifier-Effekts VorderseiteBoost LEVEL-Regelt den Pegel der Signalverstärkung Rückseite 1symmetrische TRS-Buchsen Blockdiagramm Kompatible Boxen BoxenrichtlinienBoxen-Mindestnennwerte Röhrenaustausch RackmontageTechnische Daten Alle Schrauben festAmplificador de Baixo SM-1500 Painel Frontal Anel externo é desabilitado Cias baixasPainel Traseiro Volume Geral YBem como uma D.I. direct box valvulada Tos de equalização1Plugues TRS Balanceados Diagrama Bloco Alto-falantes Compatíveis ConfiguraçõesPotência máxima de saída do amplificador Especificações Mínimas para Alto-FalantesSubstituição de Válvulas Colocação em um RackEspecificações この度は、SWR SM-1500ベース・アンプリファイアーをお買い上げいただき、 ありがとうございます。 フロントパネル Boost LEVEL（ブースト・レベル）̶ 信号のブースト量を調節します。 リアパネル 1TRSバランス・ジャック ブロック・ダイアグラム スピーカー・ガイドライン ラックマウント SWR

SM-1500 specifications

The SWR Sound SM-1500 is a powerful and versatile bass amplifier that has gained popularity among both amateur and professional musicians. Known for its robust build and high fidelity sound, the SM-1500 is designed to meet the demands of live performances and studio recordings alike.

One of the standout features of the SM-1500 is its impressive power output. With a robust 1500 watts of power, this amplifier is capable of driving even the most demanding speaker cabinets. This ensures that musicians can achieve the necessary volume levels without compromising on sound quality. The amp's power capabilities make it suitable for a wide range of performance venues, from intimate clubs to large concert halls.

The SM-1500 utilizes advanced technology to produce a clear and punchy sound. Equipped with a comprehensive EQ section, this amplifier allows users to tailor their tone precisely. The four-band EQ includes adjustable controls for low, mid, mid-high, and presence frequencies. This flexibility enables musicians to shape their sound, whether they’re aiming for a punchy slap bass tone or a smooth, warm sound.

In addition to its power and EQ capabilities, the SM-1500 features an onboard compressor. This technology helps to smooth out dynamic range, ensuring that both soft and loud notes are balanced while maintaining clarity and articulation. The built-in limiter also protects the amplifier and speakers from potential damage due to signal clipping, which is essential during high-energy performances.

Portability is another significant aspect of the SM-1500. Despite its powerful output, it is designed with a relatively lightweight and compact chassis, making it easy to transport. This is a crucial factor for touring musicians who need reliable equipment that doesn't add excessive weight to their gear load.

The SM-1500 also includes multiple input options, accommodating both passive and active bass guitars. This versatility ensures compatibility with various instruments, providing musicians with the freedom to explore different sounds and styles.

In conclusion, the SWR Sound SM-1500 is a formidable bass amplifier that combines power, precision, and portability. Its advanced technology, user-friendly features, and flexible sound shaping options make it a top choice for bassists looking to elevate their sound in any performance setting. Whether in the studio or on stage, the SM-1500 is built to deliver an exceptional auditory experience.
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