#Glasshouse Stepped Attenuator, 0.5W PRP metal film resistor, Shunt version
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A superb low-cost shunt stepped attenuator featuring metal film PRP PR9372 series 0.5W resistor as the shunt resistor. Available in various versions as mono, stereo or stereo balanced for XLR users. Available as a kit or built-up, 10K, 20K, 25K, 50K, 100K or 250K. It can be purchased with the Glasshouse passive pre-amp.
You have a choice of which switch to use:
Starting with the lower cost Blue range, using the 2 pole 24 way for the mono & stereo (one wafer is not used in the mono version) we are not offering this switch for the stereo balanced version. Then we have the all-new Blore Edwards range of switches - the 1 pole 23 way for mono, 2 pole 23 way for stereo and the 4 pole 23 way for balanced stereo. These switches are high quality at a reasonable cost. Then we have the Elma switch, the most popular choice, using the 1 pole 24 way for the mono, the 2 pole 24 way for the stereo and the 4 pole 24 way for the balanced stereo. And finally, the esteemed Seiden switches, with their fabulously smooth turning action. Here we have the 1 pole 23 way, 1 pole 34 way or 1 pole 46 way for mono, 2 pole 23 way, 2 pole 34 way or the 2 pole 46 way stereo and finally, the 4 pole 23 way for the balanced stereo.
Please note the low-cost Blue 2 pole 24-way switch version is no longer available.
Load resistor choice:
At each step of your attenuator, the signal always passes through the load resistor, so making it a key component and well worth an upgrade. The best you can buy is the Charcroft "Z" bulk foil, at 0.1% tolerance. It offers an amazing sound stage and also carries incredible detail. Also, we have on offer the Audio Note Tantalum 1W & 2W resistors. Slightly improved on these are the Shinkoh 1W & 2W. We also have the Takman carbon and metal films at 1W, not forgetting the Mills 12W, a strange choice, you may think but amazingly good.
As standard, we supply the PRP Metal Film 0.5W resistor as your load resistor. To upgrade your load resistor, if you were ordering the 100K stepped attenuator, and you wanted to upgrade to the Charcroft then simply order 1 off for mono, 2 off for stereo or 4 off for balanced stereo.
available in 10K, 20K, 25K, 50K, 100K, 250K