New rack with pictures

O&B HCA500 Power Amplifier
The rack has no screws or any metal part. The rack has side supports on which the shelves are placed. The rosewood has been dried in a kiln for a few days to remove as much moisture as possible and season it to some extent. No polish has been used. Only a coat of linseed oil to bring out the grains.
 
Nice and clean. Not those typical hi-fi rack but very robustly built as it seems.

Tell us more about your setup. Some serious rigs over there.
A Tube Amp, transformer based passive pre. What are their make?
What speaker are those?
 
Nice!! Prem. I love rosewood and have tried in the past to get a rack/shelves through a friend of mine who has an estate in Coorg, Ktaka where some rosewood trees grow. However we were unable to find shelves in a single composite piece of approx. dimensions 16" x 20". All his carpenters were offering were joined pieces. We are still searching, perhaps someday.
Cheers,
Sid
 
Hi Koushik

EMT 938 turntable with 929 tonearm, TSD 15 SFL cartridge with EMT SUT and phono stage

Lyrita 2A3 power amp with Dave Slagle nickel output transformers, nickel interstage transformers, nickel chokes and other part upgrades

Dave Slagle autoformer vol control

Rethm Saadhana speakers

ASI Liveline reference speaker cables, interconnects and power cables

ASI resonator room treatment
 
Hi Sidvee

Joined pieces are fine. No issues. Initially even i thought you needed a single piece but Franck Tchang said joined pieces are fine. My shelves are 4 cm thick. There is no way i could get a 26 inch x 21 inch one piece shelf of 4 cm thickness
 
this rack has come up very well, looks very neat and clean.

From the looks i think it is made of sheesham wood also called indian rose wood.

Indian rose wood(sheesham) is different from rose wood.
 
sidvee said:
Nice!! Prem. I love rosewood and have tried in the past to get a rack/shelves through a friend of mine who has an estate in Coorg, Ktaka where some rosewood trees grow. However we were unable to find shelves in a single composite piece of approx. dimensions 16" x 20". All his carpenters were offering were joined pieces. We are still searching, perhaps someday.
Cheers,
Sid
Click to expand...

Hi Sid,

the rose wood found in coorg is diff from indian rose wood. Indian rose wood is generally available in northern part of the country and is generally found on the banks of the rivers.
jodhpur in Rajasthan is famous for manufacturing furniture with Indian rose wood also known as sheesham wood.

The rose wood from coorg is very premuim one and even today it is costlier than the burma teak.
In the olden days Maharaja's in south used rose wood for making their furniture.

Regards
 
I have used Indian rosewood. As Sameer has mentioned it's also called sheesham. I do not know the difference between this and the Coorg rosewood. There are many species of rosewood. The ones used to make instruments are Brazilian and Indian rosewood. Brazilian is a little denser than Indian.
 
Nice clean approach, Prem (as always).

Any specific reason for choosing this specific variety? Is there any lighter (less dense) variety of wood that is available? And any methods to make them termite resistant?

I am also in the need of a new rack, but unable to decide. Wood is not my choice any longer due to maintenance reasons (a lot of my wood furniture have already been destroyed by termites).
 
Hi Ranjeetrain

I got intrigued by Srajan's review of Soundwave Kaos 40. He mentioned as compared to Rethm it projected the sound field way more effortlessly and with more energy.

I figured out the reason for this was use of tonewood. Tonewood normally adds its resonant signature and is not recommended for speaker cabinets. But here Soundwave Kaos had used it and rather successfully. The designer had used a ASI resonator to tame the resonance.

I was already using ASI resonators in my room. That's what prompted me to try out a tonewood for my rack. I wrote to Franck Tchang and he recommended the Indian Rosewood. Further reading revealed three tonewoods that could work. One was spruce but spruce has to be tensioned correctly for it to work. If one knows how to do it, its probably the best option. Mahogany is best when it comes to reproducing midrange. Indian rosewood is second to mahogany in midrange but has better extension. So based on my reading and Franck's recommendation, i went with Indian rosewood.

I guess you can give it the termite treatment to prevent attack. Normally hard woods are less prone to termite attack.
 
Last edited:
Thanks Captrajesh. The pictures actually don't do it full justice. Its even more charming when you see it in person
 
Nice rack prem. love the timeless design.
The rack design made popular by acoustic portrait also uses sheesham and is a design without metal or screws.
 
Hi square_wave

Had no idea Acoustic Portrait made rosewood racks. When I googled I could not find any manufacturer. So I was actually having second doubts but went ahead
 
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