TRU Technology-Steel amplifier S44 - - Full-Range Class AB Amplifiers
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MODEL
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S44 (Class AB)
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CHANNELS
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4 CH / 3CH / 2CH (Dual-Mono)
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FREQUENCY RESPONSE @ 1 watt
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10Hz ~ 30kHz +/- 0.5dB
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RATED POWER
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14.4 VDC
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4  STEREO RMS
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65W x 4
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2 STEREO RMS
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100W x 4
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4 STEREO + MONO RMS (3CH)
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65W x 2 + 200W x 1
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4 MONO RMS (DUAL-MONO)
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200W x 2
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T.H.D. + NOISE
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< 0.1%
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S/N RATIO (A-WEIGHTED)
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> 100dB
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INPUT SENSITIVITY
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350mV ~ 9.5V
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INPUT IMPEDENCE
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10K
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FUSE REQUIREMENT
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30 Amp (x2)
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POWER SUPPLY
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9.5 VDC ~ 15 VDC
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HIGH PASS X-OVER
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35Hz ~ 350Hz @ 12dB / oct
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LOW PASS X-OVER
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35Hz ~ 350Hz @ 12dB / oct
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VARIABLE BASS BOOST
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Yes (CH C/D Only) / -3dB ~ 12dB @ 45Hz
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REMOTE BASS KNOB
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Yes (Optional)
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DIMENSION (W x H x D)
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13 3/8 ” x 2 1/2 ” x 9 3/8 ”
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WEIGHT
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7 3/4 lbs.
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- Full-Range Class AB Amplifiers
- Dual-Stereo / Dual-Mono Design (S44)
- S44 offers dedicated 4CH / 3CH or Dual-Mono configuration for the Ultimate Flexibility in System Integrity
- In 3CH Configuration, 1st Power Supply is dedicated to Mid/High. Then 2nd Power Supply
is dedicated to Bass only, preventing Mids to crash
- S500: Full-Range Class AB Mono Block can be used as a
traditional Bass Amplifier or use (2) S500 for the Ultimate front staging
- 1,000+ Watts of Output Devices
- Heatsink: Centrally Locating it on the PC Board
reduced EMI and further Isolating Noise from entering the Audio Section of the Amplifier
- 2 oz. Double-Sided “Plated Hole” Epoxy PC Board
- Unregulated PWM Power Supply
- Bi-Polar Audio Output Design
- Discrete Amplifier circuitry
- 100% Anodized Aluminum Housing
- Machined Screws / PEM® Nuts used to further increase Structural Integrity
- 1% Metal Film Resistors
- (16) TO-3P audio Output Transistors
- (8) I.R.® 98Amp rated Power Inverter for Efficiency
- Dual sets of 200 Volt High-Speed Rectifier Diodes
- (8) 2,200mf Capacitors on Rails
- (6) 2,200mf Input Capacitors
- 12dB Hi/Low pass filter (35Hz ~ 350Hz)
- (1) 80mm SilenX® Intake Fan (S44)
- (2) 80mm SilenX® Intake Fan (S500)
- Internal Heatsink (CNC Machined / Serrated Fins)
- Variable Low Frequency Boost Circuit
- Optional Remote Bass control knob
- 4 Gauge Power/Ground Input
- 8 Gauge Speaker Wire Output
- Made and Fully Assembled in California, U.S.A.
