Hi everyone,You are looking at the RARE STAX SRD-7 SB SELF BIASING MK2 ELECTROSTATIC SPEAKER ADAPTER PRO NORMAL BIAS.Serial number: 00843Made in Japan. Just to be clear, this plus a speaker amplifier is all you need to listen to electrostatic headphones. In very good working condition, minor external cosmetic marks. It is fitted with Gothic Audio Silver plated Copper Banana connectors. 1 inputs: speaker Banana3 outputs: 6 pin normal bias, speaker Banana, 5 pin pro bias. Item will be dispatched after payment clears, usually 2-3 working days.Free Royal Mail Special Next Business Day delivery, sent via Parcelforce 24 hour delivery if over 2KG.No collection possible, I also update the tracking details after dispatch.Please check out my other items I may have for sale, thanks for looking : )Genuine buyers only otherwise you will be reported to the authorities. I will make a note of the serial number for security purposes.

Stax Self Energized Adaptor for Ear Speaker Headphones Model SRD-7 SB Black. this is the self biased model, so it doesn’t require being plugged to the mains. early serial number, this unit is in pristine condition, I am the second owner and the first never used it. when paired to a good amplifier, it drives stax sr3/sr5/srx mki-mkii and sigmas superbly. Please take a good look at it, this is being relisted as the previous buyer… SHOULD HAVE GONE TO SPECSAVERS. No offers thank you, but I will take the base price. happy to post worldwide and thanks for taking a look at my other items

Stax Self Energized Adaptor for Ear Speaker Headphones Model SRD-7 SB Black. this is the self biased model, so it doesn’t require being plugged to the mains. early serial number, this unit is in pristine condition, I am the second owner and the first never used it. when paired to a good amplifier, it drives stax sr3/sr5/srx mki-mkii and sigmas superbly. Please take a good look at it, this is being relisted as the previous buyer… SHOULD HAVE GONE TO SPECSAVERS. No offers thank you, but I will take the base price. happy to post worldwide and thanks for taking a look at my other items

Stax Self Energized Adaptor for Ear Speaker Headphones Model SRD-7 SB Black. this is the self biased model, so it doesn’t require being plugged to the mains. early serial number, this unit is in pristine condition, I am the second owner and the first never used it. when paired to a good amplifier, it drives stax sr3/sr5/srx mki-mkii and sigmas superbly. Please take a good look at it, this is being relisted as the previous buyer… SHOULD HAVE GONE TO SPECSAVERS. No offers thank you, but I will take the base price. happy to post worldwide and thanks for taking a look at my other items

Stax Self Energized Adaptor for Ear Speaker Headphones Model SRD-7 SB Black. this is the self biased model, so it doesn’t require being plugged to the mains. early serial number, this unit is in pristine condition, I am the second owner and the first never used it. when paired to a good amplifier, it drives stax sr3/sr5/srx mki-mkii and sigmas superbly. Please take a good look at it, this is being relisted as the previous buyer… SHOULD HAVE GONE TO SPECSAVERS. No offers thank you, but I will take the base price. happy to post worldwide and thanks for taking a look at my other items

Stax Self Energized Adaptor for Ear Speaker Headphones Model SRD-7 SB Black. this is the self biased model, so it doesn’t require being plugged to the mains. early serial number, this unit is in pristine condition, I am the second owner and the first never used it. when paired to a good amplifier, it drives stax sr3/sr5/srx mki-mkii and sigmas superbly. Please take a good look at it, this is being relisted as the previous buyer… SHOULD HAVE GONE TO SPECSAVERS. No offers thank you, but I will take the base price. happy to post worldwide and thanks for taking a look at my other items