Summary of Contents for SPL 2591
- Page 1 Manual POWER 9/10 11/12 13/14 15/16 Variable Expansion MixDream XP Mono Mono Mono Mono Output Mono Mono Mono Mono Input Discrete Class A 16 in 2 summing mixer Model 2591 MixDream XP Model 2591 Analog 16:2 summing unit...
- Page 2 This document is the property of SPL and may not be copied or repro- duced in any manner, in part or fully, without prior authorization by SPL.
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Page 3: Table Of Contents
Contents Introduction ..............Analog vs. Digital Summing ..........Advantages And Special Features ........MixDream XP Advantages—An Overview ......Connection of Samplers, Keyboards etc......Mono Switches ..............Before You Begin ............Rear Panel/Connections ..........Wiring ................General advices .............. Input Channels ..............Main Outputs .............. -
Page 4: Introduction
Nowadays, many are asking whether analog summing is better than digital summing. But perhaps the real question is whether digital summing better than analog summing? We at SPL don‘t know of anyone who says so. We do know that summing with the MixDreamXP creates an amazing signal depth, precise local- ization and a wonderful stereo imaging. -
Page 5: Advantages And Special Features
Advantages MixDreamXP Advantages—An Overview • High-grade analog summing on just 1U rack space for amazing signal depth, precise localization and a wonderful stereo imaging • No analog mixing console necessary • No loss of computer automation • Lower DAW processor utilization rates •... -
Page 6: Before You Begin
Before You Begin It makes good sense to think about where you place your MixDream XP before connecting it. It should be positioned so that you can easily reach it, but there are other considerations. Try not to place it near heat sources or in direct sunlight, and avoid exposure to excessive vibrations, dust, heat, cold or moisture. -
Page 7: Rear Panel/Connections
Rear Panel/Connections Wiring Germany Made standard TASCAM with comply DB25 Wiring: (–) (+)/ GND/ MixDream XP... -
Page 8: General Advices
Rear Panel/Connections General Advice The MixDream XP enclosure is EMC-safe and effectively shielded against HF interference. Nonetheless, you should carefully consider where you place the unit to avoid electrical disturbances. The MixDream XP and all devices to be connected should be turned off before connections are made. -
Page 9: Main Outputs
XLR outputs. Monitor Outputs TIP: SPL’s Monitor & Talkback Controller MTC 2381 offers all necessary control functionality for DAW monitoring at this stage. IMPORTANT: Since Main and Monitor Outs function in parallel, using a non-balanced connection in one results in both outputs being unbalanced. -
Page 10: Control Elements
Control Elements Output Control The Output control regulates the MixDreamXP output level (at the Main Outs). Its range extends from -14 dB to +7 dB. With this Output Control final levels can be ajdusted to accommo- date subsequent A/D converters. Because the Main Outputs and Monitor Outputs run in parallel, both outputs are regulated globally via this control. -
Page 11: Gnd-Lift Switch
Control Elements GND Lift Switch (Rear Panel) The GND Lift switch separates internal ground from chassis GND LIFT ground. The switch can be activated to eliminate ground loop humming which may occur if the MixDreamXP is connected to units with a different ground potential. The switch should normally be in the GND position to maintain the shielding effect of the metal housing. -
Page 12: Mixdream Xp In Mastering Applications
Applications and Modes of Operation MixDream XP in Mastering Applications Your MixDreamXP is predestined for mastering applications, as we‘ve planned its superior sound quality for just such occa- sions. Two applications are especially interesting: 1) discrete Mastering, and 2) upsampling to SACD/DVD-A formats. 1) Normally a studio mastering engineer requires that a stereo file be made available for his or her work. -
Page 13: Block Diagram
Block Diagram... -
Page 14: Measurements
Measurements FFT Spectrum Analysis Audio Precision FFT Spectrum Analysis 05/09/05 14:41:38 2591 MixDream XP Expansion Input Noise Spectrum -100 -110 -120 -130 -140 -150 A-A FFT Noise .at2c The FFT Spectrum Analysis above shows the spectrum of noise components. We have a very low overall level here, in particular without ugly „spikes“. -
Page 15: Frequency Response
Measurements Frequency Response Audio Precision Frequency Response 05/09/05 14:48:13 2591 MixDream XP Expansion Input, Fix Output 100k 200k A-A FREQ RESP 20Hz-200kHz.at2c Well, we think this is „linear frequency response“ in the word‘s best possible sense: even at 200kHz the fall-off is below -1dB. -
Page 16: Power Supply
Power Supply No effort or expense was spared here. We don’t know of anyone who makes good coffee with great beans and bad water, and we don’t know of anyone who makes great sounding audio equip- ment with mediocre power supplies. The best parts cannot give you a sound without dependable power. -
Page 17: Specifications, Dimensions And Weight
Specifi cations Frequency range: ‹ 1Hz-200 kHz (-1 dB) THD+N: -103 dBu 20-22kHz, Input Level +10 dBu Noise Level: -97 dBu 20-22kHz, A-weighted Max. Input Level: +28 dBu Max. Output Level: +28 dBu @ 1 kHz, THD+N -95 dB Dynamic range: 125 dB 20-22kHz, A-weighted Crosstalk L-R:... -
Page 18: Warranty
Guarantee SPL products are guaranteed for a period of one year against faults in materials or workmanship. Refer to your local supplier for full sales and guarantee terms. MixDream XP...
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