Related Manuals for Stam Audio SA-670 MK2
Summary of Contents for Stam Audio SA-670 MK2
- Page 1 STAM AUDIO ENGINEERING SA-670 MK2 - USER MANUAL WWW.STAMAUDIO.COM SA-670 MK2 - USER MANUAL PAGE 1...
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Page 2: Important Safety Instructions
● To reduce the risk of electric shock do not perform any servicing other than that contained in the operation instructions. ● Repairs have to be performed by qualified service personnel. SA-670 MK2 - USER MANUAL PAGE 2... - Page 3 (EEE). The mishandling of this type of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally SA-670 MK2 - USER MANUAL PAGE 3...
- Page 4 21. Use this equipment in tropical and/or moderate climates. ● Stam Audio accepts no liability for any loss which may be suffered by any person who relies either wholly or in part upon any description, photograph, or statement contained herein.
- Page 5 Sowter in the UK and the use of 18 Tubes we have managed to make this unit virtually indistinguishable to the original. The StamChild SA-670 MK2 also uses a German made chassis and faceplate, as well as the historically correct VU meter, Knobs, and Neutrik XLR connectors.
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Page 6: Components Overview
● NOS matched 6BA6 and 12AX7 tubes ● Simpson VU meter ● Original release and attack times ● XLR inputs ● XLR outputs ● Voltage switch selector (115V or 230V) ● 6U, 350mm depth SA-670 MK2 - USER MANUAL PAGE 6... -
Page 7: On/Off Switch
(ZERO) position. A good balanced tube set will show minimum or no difference on all 3 positions. SA-670 MK2 - USER MANUAL PAGE 7... -
Page 8: Input Gain
DRY/WET stage is disabled. INPUT GAIN Input gain control is a constant impedance input attenuator (600 ohm, balanced). Unity gain position is between steps 7 and 6 (in L/R operation with Dry/Wet and Output at 10). SA-670 MK2 - USER MANUAL PAGE 8... - Page 9 2.10 DC THRESHOLD This is with no doubt the most important control on the SA-670 MK2, which extends the sonic features of the unit to unlimited possibilities. The DC Threshold can be seen as a “COMP/LIMIT” control, changing at the same time the threshold at which the gain reduction takes place, and the way the gain reduction is applied.
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Page 10: Time Constant
STAM AUDIO ENGINEERING 2.11 TIME CONSTANT Set the compression time constants (Attack/Release) as follows: Switch Position Attack (ms) Release (sec) 2 (peaks), 10 (multiple peaks) 0.3 (peaks), 10 (multiple peaks), 25 (programme material) SA-670 MK2 - USER MANUAL PAGE 10... - Page 11 -90 Hz High Pass Filter, 3dB/oct -180 Hz High pass Filter 3dB/oct -MID RANGE (180 Hz HPF and 10Khz LPF) 3dB/oct Please note this filter affects the control signal only, not the audio path. SA-670 MK2 - USER MANUAL PAGE 11...
- Page 12 (A/D interface). 3.0 CONNECTIONS LINE IN Standard XLR Line Level input connection LINE OUT Standard XLR Line Level output connection. SA-670 MK2 - USER MANUAL PAGE 12...
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Page 13: Technical Specifications
T.H.D. (1 KHz, 4 dBu In) : less than 0.1 % Amplifier noise: -88 dBu Mains Fuse: 5A Slow HV fuse: 100mA fast Control Amp fuse: 1.6A fast Tubes: 16 selected NOS 6BA6 , 2 selected 12AX7 SA-670 MK2 - USER MANUAL PAGE 13...
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