Lexicon 480L | PDF - Freeverb3
Lexicon 480L | PDF - Freeverb3 Lexicon 480L | PDF - Freeverb3
Lexicon 480L Owner's Manual Specifications The following specifications are subject to change without notice. Audio Audio Inputs (Two) Levels +6 to +28 dBm; electronically balanced +6 to +28 dBm; unbalanced IM Distortion Channel Separation 75 dB @ 1 kHz or >70 dB, 20 Hz to 20 kHz Impedance Common Mode Rejection Ratio Connectors 30 kilohms in parallel with 100 pF >40 dB, 20 Hz to 20 kHz Female XLR Encoding 18 bit equivalent linear PCM Sampling Rate 48.0 kHz/44.1 kHz – selectable Transformer Option User-installable; Jensen JE-11P-1 Audio Outputs (Four) Levels +6 to +24 dBm transformerless balanced (600 ohms) +6 to +20 dBm unbalanced (600 ohms) Minimum load impedance 150 ohms Impedance Common Mode Rejection Ratio Connectors Transformer Option 33 ohms >35 dB, 20 Hz to 20 kHz Male XLR User-installable; Jensen JE-123-SLPC Frequency Response* 20 Hz to 20 kHz, +0.5 dB, -1 dB Dynamic Range* 98 dB typical over temp. range, 22.4 kHz unweighted noise bandwidth Total HarmonicDistortion and Noise
Appendix C: Specifications Interface Digital Audio Interface Interface PCM 1610-compatible digital I/O; 18-bit word length capability; slaveable to 48 kHz, 44.1 kHz, or 44.056 kHz external word clock Connector Type Female DE9 LARC Connector Female DE9 (2) -- Dual LARC control Mainframe Controls and Indicators Power switch and indicator light; Left and Right input level controls, four output level controls; four LEDs for internal DC power supplies Automation Port Female DE9 -- for future expansion MIDI Interface In, Thru, Out (Standard 5-pin female DIN) Miscellaneous Nonvolatile Memory Cartridge CMOS static RAM with built-in lithium battery provides storage for registers; write-protect switch prevents accidental erasure of contents Serviceability Each major assembly is modular and can be replaced in the field; hinged front panel allows access to plug-in boards, fan filter, and LARC fuse Diagnostic Programs Control and display with LARC Muting Audio outputs are muted during power failure, or power supply failure RFI Shielding AC power connector, audio connectors, and LARC cables are RFI-shielded; unit complies with FCC Class Acomputer equipment requirements Power Requirements Mainframe Nominal 100, 120, 220, 240 Vac (+5,-10%) Switch-selectable; 50-60 Hz, 180 W maximum, 70 W typical Protection All secondaries fused; voltage transient suppression; overvoltage and short circuit protection on logic supply Environment Operating Range 0 to 40 o C (32 to 104 o F) Max. Storage -30 to 70 o C (-22 to 158 o F) Humidity Cooling 95% maximum without condensation Filtered forced air with ultra-quiet fan; filter removable for cleaning Mains Fuse Connector 100/120 Vac: 3AG 3 A SLO-BLO 220/240 Vac: 5x20 mm 1.6 A SLO-BLO; dual-fused Standard 3-pin IEC power connector with rear-panel accessible mains fuse and voltage selector Dimensions Mainframe Standard 19" rack mount 19"w x 5.25"h x 14.5"d (483 x 133 x 368 mm) LARC5.9"w x 9.5"h x 3.2"d (150 x 242 x 82 mm) LARC 10 to 24 Vdc or 10 to18 Vac, 6.25 W; Normally powered by 480L mainframe; miniature jack accepts optional remote power supply (for operation at distances greater than 100 feet from mainframe) Weight Mainframe LARC 24 lbs (10.89 kg) 1.9 lbs (0.9 kg) C-3
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Appendix C: Specifications<br />
Interface<br />
Digital Audio Interface<br />
Interface PCM 1610-compatible digital I/O;<br />
18-bit word length capability;<br />
slaveable to 48 kHz, 44.1 kHz, or<br />
44.056 kHz external word clock<br />
Connector Type<br />
Female DE9<br />
LARC Connector<br />
Female DE9 (2) -- Dual LARC control<br />
Mainframe Controls and Indicators<br />
Power switch and indicator light; Left and Right input<br />
level controls, four output level controls; four LEDs for<br />
internal DC power supplies<br />
Automation Port<br />
Female DE9 -- for future expansion<br />
MIDI Interface<br />
In, Thru, Out (Standard 5-pin female DIN)<br />
Miscellaneous<br />
Nonvolatile Memory Cartridge<br />
CMOS static RAM with built-in lithium battery provides<br />
storage for registers; write-protect switch prevents<br />
accidental erasure of contents<br />
Serviceability<br />
Each major assembly is modular and can be replaced<br />
in the field; hinged front panel allows access to plug-in<br />
boards, fan filter, and LARC fuse<br />
Diagnostic Programs<br />
Control and display with LARC<br />
Muting<br />
Audio outputs are muted during power failure,<br />
or power supply failure<br />
RFI Shielding<br />
AC power connector, audio connectors, and LARC<br />
cables are RFI-shielded; unit complies with FCC Class<br />
Acomputer equipment requirements<br />
Power Requirements<br />
Mainframe<br />
Nominal 100, 120, 220, 240 Vac (+5,-10%)<br />
Switch-selectable; 50-60 Hz,<br />
180 W maximum, 70 W typical<br />
Protection<br />
All secondaries fused; voltage<br />
transient suppression;<br />
overvoltage and short circuit<br />
protection on logic supply<br />
Environment<br />
Operating Range 0 to 40 o C (32 to 104 o F)<br />
Max. Storage -30 to 70 o C (-22 to 158 o F)<br />
Humidity<br />
Cooling<br />
95% maximum<br />
without condensation<br />
Filtered forced air with ultra-quiet<br />
fan; filter removable for cleaning<br />
Mains Fuse<br />
Connector<br />
100/120 Vac: 3AG 3 A SLO-BLO<br />
220/240 Vac: 5x20 mm 1.6 A<br />
SLO-BLO; dual-fused<br />
Standard 3-pin IEC power<br />
connector with rear-panel<br />
accessible mains fuse and<br />
voltage selector<br />
Dimensions<br />
Mainframe<br />
Standard 19" rack mount<br />
19"w x 5.25"h x 14.5"d<br />
(483 x 133 x 368 mm)<br />
LARC5.9"w x 9.5"h x 3.2"d<br />
(150 x 242 x 82 mm)<br />
LARC<br />
10 to 24 Vdc or 10 to18 Vac,<br />
6.25 W;<br />
Normally powered by <strong>480L</strong> mainframe; miniature jack<br />
accepts optional remote power supply (for operation at<br />
distances greater than 100 feet from mainframe)<br />
Weight<br />
Mainframe<br />
LARC<br />
24 lbs (10.89 kg)<br />
1.9 lbs (0.9 kg)<br />
C-3
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