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Technical Data

(all measured in 4X Oversampling Configuration without reclocking and with standard analog stage and Output A (transformerless) connected)

Signal/Noise ratio: >95dB
Output Voltage: > 2V RMS @ 0dbfs
Output Impedance: < 220 Ohm
Response: 20hz to 20k +-0.5db
Output Polarity: Non inverting (correct polarity)
Channel Separation: >85db
Distortion: <0.002%
Max Wordlength: 24Bit (DAC will accept 24 bit data, but will convert only the 16 most significant bits)
Max Sample Rate: 96KHz with CS8414 fitted (1X operation), 48KHz in 4X operation, 192KHz can be processed by the DAC in 1X operation if a suitable receiver module is fitted (not supplied)
Jitter Reduction: High-stability crystal-controlled re-clocking for all inputs (44.1KHz sample rate only)
Input Connections: 2 input connectors (RCA and BNC) selectable via rear panel switch and D-Sub for I2S (option - not connected as standard)
Output Connections: 2 pairs of output connectors (RCA), output transformer on pair B or op-amp on pair A
Power Consumption: 100-135VAC or 200-270VAC 50/60hz 20W
Dimensions: 440 (L) x 320(W)x100 (H)mm
Weight: 10 kg (packed)

The Satch is our non-oversampling DAC. It uses the very analogue sounding Philips TDA1541A and SAA7220P/B digital filter. Premium parts throughout: Gotham coax cable, premium circuit boards, huge power supply and filtering. Dual plug daughter cards allow for dual or quad opamps (for more output drive). Output transformer can be selected from back panel RCA 'B' pr. The other pair 'A' are driven from the opamps (dual or quad).

Almost any digital disk player with a digital out connection can benefit from an external DAC. Improvements are great dynamics, resolution, smoothness, clarity, soundstage etc. The better the transport the better the result but this DAC will compare to kit costing 5X the price. The Satch is very quiet with <0.2mv noise so inner detail survives.

Top view from back and internal

Chipset & Features:

(as delivered in standard configuration)

Inputs - 2 RCA & BNC (switchable)
High Grade Input Pulse Transformer
CS8414 Digital Receiver on IC socket (CS8412 can be fitted or DIR9001 on adapter board)
High Grade 11.2896 MHz clock Oscillator for reclocking (44.1KHz source only)
SAA7220 Digital Filter (can be bypassed for 1X sampling) on IC socket (can be removed)
TDA1541A DAC (single) on IC socket (can be upgraded with crown/double crown TAD1541A)
experimenter's adapter board to use dual TDA1541A
4 pcs OPA604 I/V conversion and lowpass filter/output buffer on IC Sockets (upgrade with AD8610 and BUF634 or other options)
Dual RCA Outputs (premium grade gold jacks)
High grade line output transformers on output pair B
High Grade encapsulated 50VA torroidal mains transformer (115/230V universal worldwide primary windings)
8,800uF power supply capacitance in high grade Nichicon Japan capacitors
4,000uF power supply capacitance, Nichicon Japan Muse capacitors
6pcs LM317T Regulator
3pcs LM337T Regulator
Analog stage power supply can be adjusted from +/-5V to +/-18V to suit the power supply requirements of any op-amp's used
Extensive supply decoupling using Nichicon Muse bipolar capacitors and film bypass capacitors
Includes top quality Gotham Cable Switzerland internal analog line output cables and silverplated copper & teflon true 75 Ohm impedance coaxial internal digital signal Cable
2 and 4 opamp output pcbs included

Alternative Configurations and Options

(included unless noted otherwise)

Operation with or without reclocking (via jumper configuration)

Operation with 4 X oversampling digital filter or without digital filter (via jumper configuration)

Single Op-Amp, inverting polarity output with NE5534 for experimenters (replacement PCB, fully assembled, plug & play)

Operation with S/P-DIF direct input bypassing input switching and input transformer for purest sound quality (requires soldering - basic)

Analog Stage Upgrade component pack (NOT INCLUDED - EXTRA COST OPTION) for standard output stage including AD8610 operational amplifiers, BUF634 buffers, Elna Silmic output coupling capacitors and polystyrene analog filter capacitors; basically the best of the best available (requires some soldering - advanced)

Blank PCB for conversion to Gemini (Twin) DAC Status (requires soldering, extra components and reconfiguration - highly advanced)

I2S input on SUB-D 9-Pin connector bypassing internal digital receiver (requires soldering and reconfiguration and suitable source - highly advanced)

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(Note : You must choose either the airmail or ground based
shipping option with your order otherwise your kit will not be shipped)


Choose Your Country and Shipping Method (Fedex Airmail Option)
Fedex Airmail	Europe	Australia	New Zealand	USA	Canada
	$139	$117	$117	$125	$125
	Japan	Thailand	Malaysia	Singapore	Taiwan
	$116	$71	$71	$71	$71

Choose Your Country and Shipping Method (Ground Based)
Ground Based	Europe	Australia	New Zealand	USA	Canada
	$48	$48	$60	$85	$30
	Japan	Thailand	Malaysia	Singapore	Taiwan
	$44	$30	Not Available Over 10Kg	$30	$40


Satch DACKit : Everything including, easy to assemble. Look Here to see the kit assembled. The main pcbs are already finished. Only power transformer, jacks and wiring to jacks and output transformer needs to be completed. our easiest kit!	$595
Satch Upgrade pack: Polystyrene output section caps (6pcs), Elna Silmic coupling caps, premium silver coated RCA jacks, 3 pr.	$45
Fully Assembled Charge: Kit is professionally assembled and tested. You receive a complete ready to use product out of the box.	$150

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