Conn 70H Question

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HawaiiTromboneGuy
Posts: 1025
Joined: Sep 03, 2018

by HawaiiTromboneGuy »

Just curious to know when Conn stopped/changed the design from this 70H model to the more β€œcommonly” seen designs with the opera wheel TIS sections. For reference, this 70H was advertised as a mid-late β€˜20s model.

[URL=http://www.image-share.com/ijpg-3987-175.html]User image

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[URL=http://www.image-share.com/ijpg-3987-177.html]User image

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FOSSIL
Posts: 688
Joined: Jul 09, 2019

by FOSSIL »

I think the opera wheel, tighter flare model officially came on stream in 1937 but examples were being built (pre pro ?) from 1934. Others may know more.

Chris
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HawaiiTromboneGuy
Posts: 1025
Joined: Sep 03, 2018

by HawaiiTromboneGuy »

[quote="FOSSIL"]I think the opera wheel, tighter flare model officially came on stream in 1937 but examples were being built (pre pro ?) from 1934. Others may know more.

Chris[/quote]

Thanks for the insight!
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SwissTbone
Posts: 1138
Joined: Mar 23, 2018

by SwissTbone »

Another Conn 70H question. I asked a lot of people, but get confusing answers...

The 70H slide inners are longer than standard. But how long are they?

Allied lists the 71 & 72 inners at 27 3/8" long. Are the 70H inners even longer?
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Savio
Posts: 688
Joined: Apr 26, 2018

by Savio »

Its loooong!

Leif
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SwissTbone
Posts: 1138
Joined: Mar 23, 2018

by SwissTbone »

[quote="Savio"]Its loooong!

Leif[/quote]

That's all I wanted to know :pant:
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Tbarh
Posts: 505
Joined: Aug 16, 2018

by Tbarh »

[quote="Savio"]Its loooong!

Not all of them.. The one i had (1934)was the same as a 62H <span class="emoji" title=":wink:">πŸ˜‰</span>

Leif[/quote]
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SwissTbone
Posts: 1138
Joined: Mar 23, 2018

by SwissTbone »

[quote="Tbarh"]<QUOTE author="Savio" post_id="92179" time="1566387785" user_id="3155">
Its loooong!

Not all of them.. The one i had (1934)was the same as a 62H <span class="emoji" title=":wink:">πŸ˜‰</span>

Leif[/quote]
</QUOTE>

Sure it was original?
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Savio
Posts: 688
Joined: Apr 26, 2018

by Savio »

[quote="cozzagiorgi"]<QUOTE author="Tbarh" post_id="92181" time="1566388558" user_id="3637">[/quote]

Sure it was original?
</QUOTE>

Then mine is longer than yours..... :biggrin:

Leif
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Savio
Posts: 688
Joined: Apr 26, 2018

by Savio »

[quote="Tbarh"]<QUOTE author="Savio" post_id="92179" time="1566387785" user_id="3155">
Its loooong!

Not all of them.. The one i had (1934)was the same as a 62H <span class="emoji" title=":wink:">πŸ˜‰</span>

Leif[/quote]
</QUOTE>

Then mine is longer than yours....hermmm :biggrin:

About 7 cm or 2.6 inches to be serious.... :lol:

Ok that wasn't nice. I think Conn change the wrap and design about 1937-40. Then the long slide appear. About 1953-54 they also change the wrap a little bit. 1954-55 the protection on the top was taken away. 56 the 72H replaced the 70h? No more TIS. Just guessing though ...I dont really know but think its about the story.

Leif
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Tbarh
Posts: 505
Joined: Aug 16, 2018

by Tbarh »

[quote="cozzagiorgi"]<QUOTE author="Tbarh" post_id="92181" time="1566388558" user_id="3637">[/quote]

Sure it was original?
</QUOTE>
Yes, original.. The long slide came later and probably coincide with the new wrap which already had been an option for a while.. Both designed to facilitate low C and B...
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SwissTbone
Posts: 1138
Joined: Mar 23, 2018

by SwissTbone »

Ok. So I have bought two 70H's. One wasn't enough :-)

One from 1937 with a longer bell but shorter slide.

One from 1948 with shorter bell but longer slide.

It looks like I will have to replace the inners on the 1937 horn. Those inners seem to be something like 27" long. Exactly same slide length as my modern edwards slide. So the inners of a 71H may fit. Allied lists the 71 & 72 inners at 27 3/8" long.

The inners on the 1948 are much longer at about 29" (7cm difference).

What do the experts think? Will the 71H slide inners fit?
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FOSSIL
Posts: 688
Joined: Jul 09, 2019

by FOSSIL »

The 71H inners will be too long. You want 62H or 60H inners. My '34 70H has the shorter slide.

Chris.
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SwissTbone
Posts: 1138
Joined: Mar 23, 2018

by SwissTbone »

[quote="FOSSIL"]The 71H inners will be too long. You want 62H or 60H inners. My '34 70H has the shorter slide.

Chris.[/quote]

Ah thats great info. Thank you Chris!
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ChetroKetl
Posts: 10
Joined: Dec 09, 2018

by ChetroKetl »

[quote="cozzagiorgi"]

The inners on the 1948 are much longer at about 29" (7cm difference).
[/quote]

Sorry to resurrect a dormant topic... My 1952 measures similarly - 29” to 29.125”.

For the purposes of ordering new inners, are both inner slide tubes the same length?

And given the option, would anyone recommend ordering long inners for my tech to trim rather than ordering the "exact" length?
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greenbean
Posts: 1958
Joined: Mar 23, 2018

by greenbean »

[quote="ChetroKetl"]...

And given the option, would anyone recommend ordering long inners for my tech to trim rather than ordering the "exact" length?[/quote]

For sure - order them long!
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timbone
Posts: 240
Joined: Apr 30, 2018

by timbone »

FWIW- I had a wheelhouse 70H from 1934. The bell was what I would consider a "standard" taper (like on a 62H). I have a '21 and that I believe is the Fuchs taper. Smaller bell; a lot faster taper in the throat. It barks on command.
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UncleTsune
Posts: 6
Joined: Oct 15, 2019

by UncleTsune »

What is different to 60h/62h "no brace" and one brace (opera wheel) on 70h?

IMO, 70h braced slide has more weight and heavy sound and difficult to quick play.