Name: Soundcraft - S200 8通道 類比混音器
Brand: Soundcraft

Simone Sedda

專業聲響拍賣

Soundcraft Series 200（包括原始型号200、200B和200SR）在其8通道机框配置下——通常为8/4/2结构（8路单声道输入、4个分组母线、2组主立体声输出）——是一款模块化模拟混音控制台，设有19英寸机架可装配的钢性底盘。 

8通道型号的关键技术分解、信号流程与硬件规格： 
关键规格与架构 
Soundcraft Series 200（包括200、200B和200SR变体）在8通道配置下，是一款模块化模拟混音控制台，嵌入19英寸机架可装或桌面钢底盘，采用8/4/2结构，包含8路单声道输入、4个分组母线和2个主立体声输出。工作电平额定为 +4 dBu，输入/输出为电子平衡，控制台由外部2U机架电源供电，提供17路电源轨并提供+48 V幻象电源。每个单路输入通道包含一个电子平衡XLR话筒输入，带 -20 dB pad、一个 1/4

The Soundcraft Series 200 (including its variants: original 200, 200B, and 200SR) in its 8-channel frame configuration—typically configured as 8/4/2 (8 mono inputs, 4 subgroup buses, 2 master stereo outputs)—is a modular analog mixing console built around a 19-inch rack-mountable steel chassis.  
Key technical breakdown, signal flow, and hardware specifications for the 8-channel model:
Key Specifications & Architecture 

The Soundcraft Series 200 (including 200, 200B, and 200SR variants) in its 8-channel configuration is a modular analog mixing console built into a 19-inch rack-mountable or tabletop steel chassis with an 8/4/2 architecture, comprising 8 mono input channels, 4 subgroup buses, and 2 main stereo outputs. Operating at a nominal level of \bm{+4\text{ dBu}} with electronically balanced I/O, the console is powered by an external 2U rack-mount power supply delivering 17 rails and +48 DC phantom power. Each mono input channel includes an electronically balanced XLR mic input with a \bm{-20\text{ dB}} pad, a \bm{\frac{1}{4}}" TRS line input, a dedicated TRS channel insert, a 4-band fixed-frequency EQ pm 15   dB shelving at 12 kHz.  and 60 hz  peaking filters at 5 kHz and 
 250 Hz , 4 auxiliary sends configurable via internal jumpers, bus assignment pan and routing, a PFL solo switch, a peak LED indicator, and a linear fader. The master section features 4 subgroups with insert points and 8-track tape returns, slate/talkback routing, an internal calibration oscillator, control room monitoring, and 4 illuminated VU meters assigned to groups, mix, or PFL/AFL signals.

Channel Strip Architecture
Each of the 8 mono input channels features a discrete, high-headroom input preamplifier and modular PCB construction:
 Preamplifier & Input Section:
 Mic Input: Electronically balanced XLR (impedance \bm{>2\text{ k}\Omega}) with a \bm{-20\text{ dB}} pad switch.  
 Line Input: Electronically balanced \bm{\frac{1}{4}}" TRS jack (impedance \bm{>10\text{ k}\Omega}).  
 Phantom Power: \bm{+48\text{V}} DC phantom power, switchable per channel on the rear or via global PSU depending on the revision.  
 Channel Insert: \bm{\frac{1}{4}}" TRS send/return point on every channel (post-preamp / pre-EQ).
 4-Band Equalizer (Fixed Frequency):
 HF: \bm{\pm 15\text{ dB}} shelving at \bm{12\text{ kHz}}  
 HI-MID: \bm{\pm 15\text{ dB}} peak/dip (bell curve) centered at \bm{5\text{ kHz}}  
 LO-MID: \bm{\pm 15\text{ dB}} peak/dip (bell curve) centered at \bm{250\text{ Hz}}  
 LF: \bm{\pm 15\text{ dB}} shelving at \bm{60\text{ Hz}}  
 Note: All EQ pots feature center detents for zeroing.  
 Auxiliary Sends & Routing:
 4 Aux Sends: Configurable via internal PCB jumpers (Options: Pre-EQ/Pre-fader, Post-EQ/Pre-fader, or Post-EQ/Post-fader).  
 Bus Assignment: Panning pot with direct routing switches to Groups 1-2, Groups 3-4, and Stereo Main Bus.  
 Monitoring & Fader: Pre-Fade Listen (PFL) solo button, Peak LED indicator (illuminates \bm{4\text{ dB}} prior to clipping at insert send), and \bm{100\text{mm}} long-throw linear faders.  
Master & Subgroup Section
 4 Subgroups: Each subgroup features an insert jack, tape return level/pan controls for 8-track monitoring, auxiliary return controls, and routing to the main L/R stereo bus.
 Talkback & Test Oscillator: Built-in slate/talkback mic routing to auxiliaries or groups, alongside an internal test oscillator for system calibration.
 Monitoring: Comprehensive C-RM (Control Room Monitor) controls with source switching (Mix, 2-Track Tape Return, PFL/AFL) feeding dedicated monitor outputs and a headphone output (\bm{200\text{--}400\,\Omega} load target).

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Soundcraft - S200 8通道 類比混音器

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Soundcraft S200 8通道模擬混音台，1983年製造，序號 MK06 21634，重量 20 kg，尺寸 高145 mm 寬525 mm 深 520 cm，含電源，已測試可運作，物理狀況良好。

Soundcraft - S200 8通道類比混音器

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Soundcraft S200 8通道模擬混音台，1983年製造，序號 MK06 21634，重量 20 kg，尺寸高145 mm 寬525 mm 深 520 cm，含電源，已測試可運作，物理狀況良好。

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