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EXPIRED For Sale DIY Icon Pre Amplifier

AUD $550
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Ad Details


AUD $550

Product Type

Pre Amplifier



Model Number



Very good to excellent

Payment Method

EFT cash on pick up/delivery


(VIC) Victoria/Australia

Suburb or Town


Original Receipt Available


Shipping & Pickup Options

Shipping:  Available
Pickup: Available



Reason for Selling


Further Information


I have had this preamp nearly two years and it has performed perfectly only selling to downsize my setup. I use it with my Holton 200/300 A/B amp and Altec 511b speakers and has worked flawlessly 

 I believe this is one of Mark Houston’s premium preamps.

 I will also be selling my Altec speakers in the near future.


These  are extracts from  the advertisement placed by the original owner as purchased by me.


Region: Australia

Location: NSW

First Name: Mike

Posted July 25, 2022 (edited)

AUD $850

Item Condition: Excellent 

Shipping Options: Shipping is included in price. 

Suburb or Town: Wollongong 

State: NSW 

Payment Method: Cash, PayPal (F&F or Buyer covers fees), EFT 

Reason for selling: NLR 

Fabulous 6SN7 pre-amp and separate power supply that was purchased from Mark (@mwhouston) in June 2021. You can read more about it here: https://retro-thermionic.blogspot.com/2019/03/icon-cv-181-z-preamp.html - I paid $1070 for this without tubes. Since owning it I returned it to Mark who upgraded it with Mundrof Silver Oil Capacitors that I supplied (RRP $180) - which took the sound quality up another level again.  


I have been using this with a pair of Shugang CV-181Z and it punches WAY above its price point. Compared to my Manley 300B pre-amp (around $12,000 RRP last time i checked) the icon holds up very well - the Manley has a slightly larger soundstage and slightly better separation but considering the size, cost and number of tubes Mark's work speaks for itself. 


There are electrical safety standards that apply to private sellers (individuals) for both new and second hand equipment that connects to mains power. It is the responsibility of the seller to ensure their product being offered for sale complies with the electrical safety standards applicable to them for the country or state in which they reside. Click here for more information.

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