Glasshouse / NOS Audio Note 1-pole 23-way switch / Mono Shunt Stepped Attenuator

Audio Note has moved to a new in-house-designed switch for its recently launched range of stepped attenuators. As a result, we could acquire the remaining stock of their old switches at a very reasonable cost.

With a shortage of high-quality, accurate mono-taper potentiometers, more people are turning to stepped attenuators to achieve neutral channel-matched volume controls. Usually, stepped attenuators are relatively expensive, so we are happy to announce that we can provide a mono shunt attenuator for £27.44 + VAT + carriage—FULLY BUILT. You can also buy the kit if you want to build it yourself.

This version offers 23 volume positions from mute to near total volume through our tried-and-tested 2dB step values of resistors. The front of the switch does possess a "non-turn" lug of 3.5mm in diameter x 5mm in length that protrudes through the front panel. This can be removed with cutters if not required.

We offer the option to choose from 16 different resistor types for this kit.

SERIES/LOAD RESISTOR FOR SHUNT TYPE

 The series/load resistor of the shunt stepped attenuator range is worth discussing. All the signal passes through this resistor no matter your position on your volume control. So, this resistor is worth an upgrade. A popular choice is the Charcroft Z-Foil range or Audio Note Non-Magnetic Tantalum. If you wish to upgrade them, add them to your cart. x1 for a each mono, x2 for a stereo and x4 for a balanced. Choose the resistance close to the impedance of the stepped attenuator you buy. For example, for a Stereo Shunt 50K, you would have to add 2 off the CART 50K000B: 50K 0.4W Charcroft Z-Foil Resistor. If you are ordering a built version, mention in the comments box that you wish to have them fitted.

Dimensions

Shaft: 6mm diameter x 13mm length

Bush: 10mm diameter x 12mm length

Body, including resistors fitted (internal part): 45mm x 52mm (oval shaped) x 22mm height  

The front of the switch does possess a "non-turn" metal lug of 3.5mm diameter x 5mm in length that protrudes through the front panel, so provision is needed. If not required, this can be removed with cutters. If not, a 3.5mm diameter hole 13.5mm from the centre hole of the shaft is required.

Watch our Youtube video detailing the Glasshouse / NOS Audio Note 2-pole 23-way switch / Stereo Shunt Stepped Attenuator with Takman 0.25W carbon films fitted see HERE

PRICE (1 off) 10K, 20K, 25K, 50K, 100K, 250K
starting at £27.44+vat+p&p

For the 100K 0.25W and 0.5W Takman Metal & Carbon versions, we supply 91K load resistor.

For the 10K 0.25W and 0.5W Takman Metal & Carbon versions, we supply a 10K 1W load resistor.

We can only supply the 50K, 100K and 250K options for the various Audio Note resistor types.

We can only supply the 10K, 20K and 25K options for the Charcroft Z-Foil type.

Available as a kit or fully built. The built price is an additional £20.

For 0.25W and 0.4W Charcroft resistor kit versions, supplied with

• NOS Audio Note 1-pole 23-way switch
• Selected resistor set (22 resistors)
• 0.2m x HGG 0.5mm diameter wire
• 0.05m x 0.5mm PTFE sleeving
• 0.5m x Mundorf 3.8% silver/gold solder

For 0.5W and 2W AMRT resistor kit versions, supplied with

• NOS Audio Note 1-pole 23-way switch
• Selected resistor set (22 resistors)
• 0.2m x HGG 1mm diameter wire
• 0.05m x 1mm PTFE sleeving
• 0.5m x Mundorf 3.8% silver/gold solder

the picture shows - 0.25W Takman Carbon version